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$c00413http://www.sec.gov/CIK0000753308duration2006-01-01T00:00:002010-02-28T00:00:00u000Standardhttp://www.xbrl.org/2003/iso4217USDiso42170u001Standardhttp://www.xbrl.org/2003/instancepurexbrli0USDUSD$8falsefalseUSDtruefalse{us-gaap_GoodwillBySegmentAxis} : Merchant Reporting Unit Member 12/31/2010 USD ($) $c00204http://www.sec.gov/CIK0000753308instant2010-12-31T00:00:000001-01-01T00:00:00falsefalseMerchant reporting unit [Member]us-gaap_GoodwillBySegmentAxisxbrldihttp://xbrl.org/2006/xbrldinee_MerchantReportingUnitMemberus-gaap_GoodwillBySegmentAxisexplicitMemberu000Standardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$9falsefalseUSDtruefalse{us-gaap_GoodwillBySegmentAxis} : Merchant Reporting Unit Member 12/31/2009 USD ($) $c00096http://www.sec.gov/CIK0000753308instant2009-12-31T00:00:000001-01-01T00:00:00falsefalseMerchant reporting unit [Member]us-gaap_GoodwillBySegmentAxisxbrldihttp://xbrl.org/2006/xbrldinee_MerchantReportingUnitMemberus-gaap_GoodwillBySegmentAxisexplicitMemberu000Standardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$10falsefalseUSDtruefalse{us-gaap_GoodwillBySegmentAxis} : Wind Reporting Unit Member 12/31/2010 USD ($) $c00205http://www.sec.gov/CIK0000753308instant2010-12-31T00:00:000001-01-01T00:00:00falsefalseWind reporting unit [Member]us-gaap_GoodwillBySegmentAxisxbrldihttp://xbrl.org/2006/xbrldinee_WindReportingUnitMemberus-gaap_GoodwillBySegmentAxisexplicitMemberu000Standardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$11falsefalseUSDtruefalse{us-gaap_GoodwillBySegmentAxis} : Wind Reporting Unit Member 12/31/2009 USD ($) $c00097http://www.sec.gov/CIK0000753308instant2009-12-31T00:00:000001-01-01T00:00:00falsefalseWind reporting unit [Member]us-gaap_GoodwillBySegmentAxisxbrldihttp://xbrl.org/2006/xbrldinee_WindReportingUnitMemberus-gaap_GoodwillBySegmentAxisexplicitMemberu000Standardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$12falsefalseUSDtruefalse{us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis} : Purchase Power Agreements Member 1/1/2010 - 12/31/2010 c00333http://www.sec.gov/CIK0000753308duration2010-01-01T00:00:002010-12-31T00:00:00falsefalsePurchase power agreements [Member]us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxisxbrldihttp://xbrl.org/2006/xbrldinee_PurchasePowerAgreementsMemberus-gaap_FiniteLivedIntangibleAssetsByMajorClassAxisexplicitMemberu001Standardhttp://www.xbrl.org/2003/instancepurexbrli0u000Standardhttp://www.xbrl.org/2003/iso4217USDiso42170$13falsefalseUSDtruefalse{us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis} : Purchase Power Agreements Member 12/31/2009 USD ($) $c00098http://www.sec.gov/CIK0000753308instant2009-12-31T00:00:000001-01-01T00:00:00falsefalsePurchase power agreements [Member]us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxisxbrldihttp://xbrl.org/2006/xbrldinee_PurchasePowerAgreementsMemberus-gaap_FiniteLivedIntangibleAssetsByMajorClassAxisexplicitMemberu000Standardhttp://www.xbrl.org/2003/is o4217USDiso42170USDUSD$14falsefalseUSDtruefalse{us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis} : Customer lists [Member] 1/1/2010 - 12/31/2010 c00335http://www.sec.gov/CIK0000753308duration2010-01-01T00:00:002010-12-31T00:00:00falsefalseCustomer lists [Member]us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_CustomerListsMemberus-gaap_FiniteLivedIntangibleAssetsByMajorClassAxisexplicitMemberu001Standardhttp://www.xbrl.org/2003/instancepurexbrli0u000Standardhttp://www.xbrl.org/2003/iso4217USDiso42170$15falsefalseUSDtruefalse{us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis} : Customer lists [Member] 12/31/2009 USD ($) $c00099http://www.sec.gov/CIK0000753308instant2009-12-31T00:00:000001-01-01T00:00:00falsefalseCustomer lists [Member]us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxisxbrldihttp://xbrl.org/2006/xbrldius-gaap_CustomerListsMemberus-gaap_FiniteLivedIntangibleAssetsByMajorClassAxisexplicitMemberu000Standardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$16falsefalseUSDtruefalse{us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis} : Other Intangible Assets Primarily Land And Transmission Rights Permits And Licenses Member 1/1/2010 - 12/31/2010 c00334http://www.sec.gov/CIK0000753308duration2010-01-01T00:00:002010-12-31T00:00:00falsefalseOther, primarily land and transmission rights, permits and licenses [Member]us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxisxbrldihttp://xbrl.org/2006/xbrldinee_OtherIntangibleAssetsPrimarilyLandAndTransmissionRightsPermitsAndLicensesMemberus-gaap_FiniteLivedIntangibleAssetsByMajorClassAxisexplicitMemberu001S tandardhttp://www.xbrl.org/2003/instancepurexbrli0u000Standardhttp://www.xbrl.org/2003/iso4217USDiso42170$17falsefalseUSDtruefalse{us-gaap_ FiniteLivedIntangibleAssetsByMajorClassAxis} : Other Intangible Assets Primarily Land And Transmission Rights Permits And Licenses Member 12/31/2009 USD ($) $c00100http://www.sec.gov/CIK0000753308instant2009-12-31T00:00:000001-01-01T00:00:00falsefalseOther, primarily land and transmission rights, permits and licenses [Member]us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxisxbrldihttp://xbrl.org/2006/xbrldinee_OtherIntangibleAssetsPrimarilyLandAndTransmissionRightsPermitsAndLicensesMemberus-gaap_FiniteLivedIntangibleAssetsByMajorClassAxisexplicitMemberu000Standardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$18falsefalseUSDtruefalse{nee_SaleOfDifferentialMembershipInterestsByDateAxis} : December2007 Sale Member 1/1/2007 - 12/31/2007 USD ($) $c00405http://www.sec.gov/CIK0000753308duration2007-01-01T00:00:002007-12-31T00:00:00falsefalseDecember 2007 sale [Member]nee_SaleOfDifferentialMembershipInterestsByDateAxisxbrldihttp://xbrl.org/2006/xbrldinee_December2007SaleMembernee_SaleOfDifferentialMembershipInterestsByDateAxisexplicitMemberu004Standardhttp://nexteraenergyresources.com/201012 31mWnee0u000Standardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$19falsefalseUSDtruefalse{nee_SaleOfDifferentialMembershipInterestsByDateAxis} : April2010 Sale Member 1/1/2010 - 12/31/2010 USD ($) $c00336http://www.sec.gov/CIK0000753308duration2010-01-01T00:00:002010-12-31T00:00:00falsefalseApril 2010 sale [Member]nee_SaleOfDifferentialMembershipInterestsByDateAxisxbrldihttp://xbrl.org/2006/xbrldinee_April2010SaleMembernee_SaleOfDifferentialMembershipInterestsByDateAxisexplicitMemberu000Standardhttp://www.xbrl.org/2003/iso4217USDiso42170u004Standardhttp://nexteraenergyresources.com/20101231mWnee0USDUSD$20falsefalseUSDtruefalse{nee_SaleOfDifferentialMembershipInterestsByDateAxis} : September2010 Sale Member 1/1/2010 - 12/31/2010 USD ($) $c00337http://www.sec.gov/CIK0000753308duration2010-01-01T00:00:002010-12-31T00:00:00falsefalseSeptember 2010 sale [Member]nee_SaleOfDifferentialMembershipInterestsByDateAxisxbrldihttp://xbrl.org/2006/xbrldinee_September2010SaleMembernee_SaleOfDifferentialMembershipInterestsByDateAxisexplicitMemberu004Standardhttp://nexteraenergyresources.com/2010 1231mWnee0u000Standardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$2true0nee_BasisOfPresentationAbstractneefalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00falsefalsefalsefalsefalse< Cell>2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse 4falsefalsefalse00falsefalsefalsefalsefalse5falsefalsefalse00falsefalsefalsefalsefalse6 falsefalsefalse00falsefalsefalsefalsefalse7falsefalsefalse00falsefalsefalsefalsefalse8 falsefalsefalse00falsefalsefalsetruefalse9falsefalsefalse00falsefalsefalsetruefalse10falsefalsefalse00falsefalsefalsetruefalse11falsefalsefalse00falsefalsefalsetruefalse12 falsefalsefalse00falsefalsefalsetruefalse13falsefalsefalse00falsefalsefalsetruefalse14false falsefalse00falsefalsefalsetruefalse15falsefalsefalse00falsefalsefalsetruefalse16falsefalsefalse00falsefalsefalsetruefalse17falsefalsefalse00falsefalsefalsetruefalse18falsefalsefalse00falsefalsefalsetruefalse19falsefalsefalse00falsefalsefalsetruefalse20falsefalsefalse00falsefalsefalsetruefalseOtherxbrli:stringItemTypestringNo definition available.falsefalseBasis of Presentation [Abstract]3false0nee_ApproximateNumberOfCustomerAccountsneefalsenainstantApproximate number of customer accounts serviced by FPL.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00falsefalsefalsefalsefalse2truefalsefalse45000004500000falsefalsefalsefalsefalse3truefalsefalse45000004500000falsefalsefalsefalsefalse4truefalsefalse45000004500000falsefalsefalsefalsefalse5falsefalsefalse00falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalse7falsefalsefalse00falsefalsefalsefalsefalse8falsefalsefalse00falsefalsefalsetruefalse9falsefalsefalse00falsefalsefalsetruefalse10falsefalsefalse00falsefalsefalsetruefalse11falsefalsefalse00falsefalsefalsetruefalse12falsefalsefalse00falsefalsefalsetruefalse13falsefalsefalse00falsefalsefalsetruefalse14falsefalsefalse00falsefalsefalsetruefalse15falsefalsefalse00falsefalsefalsetruefalse16falsefalsefalse00falsefalsefalsetruefalse17falsefalsefalse00falsefalsefalsetruefalse18falsefalsefalse00falsefalsefalsetruefalse19falsefalsefalse00falsefalse falsetruefalse20falsefalsefalse00falsefalsefalsetruefalseOtherxbrli:integerItemTypeintegerApproximate number of customer accounts serviced by FPL.No authoritative reference available.falsefalseApproximate number of cust omer accounts4true0nee_RegulationAbstractneefalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4falsefalsefalse00falsefalsefalsefalsefalse5falsefalsefalse00falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalse7falsefalsefalse00falsefalsefalsefalsefalse8falsefalsefalse00falsefalsefalsetruefalse9falsefalsefalse00falsefalsefalsetruefalse10falsefalsefalse00falsefalsefalsetruefalse11falsefalsefalse00falsefalsefalsetruefalse12falsefalsefalse00falsefalsefalsetruefalse13falsefalsefalse00falsefalsefalsetruefalse14falsefalsefalse00falsefalsefalsetruefalse15falsefalsefalse00falsefalsefalsetruefalse16falsefalsefalse00falsefalsefalsetruefalse17falsefalsefalse00falsefalsefalsetruefalse18falsefalsefalse00falsefalsefalsetruefalse19falsefalsefalse00falsefalsefalsetruefalse20falsefalsefalse00falsefalsefalsetruefalseOtherxbrli:stringItemTypestringNo definition available.falsefalseRegulation [Abstract]5false0nee_NumberOfAdditionalNuclearUnitsForWhichPreConstructionCostsAndCarryingChargesAreRecoveredneefalsenadurationFor FPL, the number of additional nuclear units at Turkey Point for which pre-construction costs and carrying charges are...falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverbosela bel1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4truefalsefalse22falsefalsefalsefalsefalse5falsefalsefalse00falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalse7falsefalsefalse00falsefalsefalsefalsefalse8falsefalsefalse00falsefalsefalsetruefalse9falsefalsefalse00falsefalsefalsetruefalse10falsefalsefalse00falsefalsefalsetruefalse 11falsefalsefalse00falsefalsefalsetruefalse12falsefalsefalse00falsefalsefalsetruefalse13falsefalsefalse00falsefalsefalsetruefalse14falsefalsefalse00falsefalsefalsetruefalse15falsefalsefalse00falsefalsefalsetruefalse16falsefalsefalse00falsefalsefalsetruefalse 17falsefalsefalse00falsefalsefalsetruefalse18falsefalsefalse00falsefalsefalsetruefalse19falsefalsefalse00falsefalsefalsetruefalse20falsefalsefalse00falsefalsefalsetruefalseOtherxbrli:integerItemTypeintegerFor FPL, the number of additional nuclear units at Turkey Point for which pre-construction costs and carrying charges are recovered through a cost recovery clause, beginning in 2009.No authoritative reference available.falsefalseNumber of additional nuclear units for which pre-construction costs and carrying charges are recovered6false0nee_AdditionalBaseloadCapacityLowRangeneefalsenadurationFor FPL, the low range of additional baseload capacity at St. Lucie and Turkey Point for which carryin g charges on...falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4truefalsefalse400400falsefalsefalsefalsefalse5falsefalsefalse00falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalse7falsefalsefalse00falsefalsefalsefalsefalse< /Cell>8falsefalsefalse00falsefalsefalsetruefalse9falsefalsefalse00falsefalsefalsetruefalse< Cell>10falsefalsefalse00falsefalsefalsetruefalse11falsefalsefalse00falsefalsefalsetruefalse 12falsefalsefalse00falsefalsefalsetruefalse13falsefalsefalse00falsefalsefalsetruefalse1 4falsefalsefalse00falsefalsefalsetruefalse15falsefalsefalse00falsefalsefalsetruefalse16falsefalsefalse00falsefalsefalsetruefalse17falsefalsefalse00falsefalsefalsetruefalse18falsefalsefalse00falsefalsefalsetruefalse19falsefalsefalse00falsefalsefalsetruefalse20falsefalsefalse00falsefalsefalsetruefalseOtherus-types:powerItemTypedecimalFor FPL, the low range of additional baseload capacity at St. Lucie and Turkey Point for which carrying charges on construction costs are recovered through a cost recovery clause, beginning in 2009.No authoritative reference available.falsefalseAdditional baseload capacity, low range (in megawatts)7false0nee_AdditionalBaseloadCapacityHighRangeneefalsenadurationFor FPL, the high range of additional baseload capacity at St. Lucie and Turkey Point for which carrying charges on...falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4truefalsefalse460460falsefalsefalsefalsefalse5falsefalsefalse00falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalse7falsefalsefalse00falsefalsefalsefalsefalse8falsefalsefalse00falsefalsefalsetruefalse9falsefalsefalse00falsefalsefalsetruefalse10falsefalsefalse00falsefalsefalsetruefalse11falsefals efalse00falsefalsefalsetruefalse12falsefalsefalse00falsefalsefalsetruefalse13falsefalsefalse00falsefalsefalsetruefalse14falsefalsefalse00falsefalsefalsetruefalse15falsefalsefalse00falsefalsefalsetruefalse16falsefalsefalse00falsefalsefalsetruefalse17falsefalsefalse00falsefalsefalsetruefalse18falsefalsefalse00falsefalsefalsetruefalse19falsefalsefalse00falsefalsefalsetruefalse20falsefalsefalse00falsefalsefalsetruefalseOtherus-type s:powerItemTypedecimalFor FPL, the high range of additional baseload capacity at St. Lucie and Turkey Point for which carrying charges on construction costs are recovered through a cost recovery clause, beginning in 2009.No authoritative reference available.falsefalseAdditional baseload capacity, high range (in megawatts)8false0nee_NumberOfSolarGeneratingFacilitiesForWhichPreConstructionCostsAndCarryingChargesAreRecoveredneefalsenadurationFor FPL, the number of solar generating facilities for which costs are recovered through a cost recovery clause, beginning in...falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4t ruefalsefalse33falsefalsefalsefalsefalse5falsefalsefalse00falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalse7falsefalsefalse00falsefalsefalsefalsefalse8falsefalsefalse00falsefalsefalsetruefalse9falsefalsefalse00falsefalsefalsetruefalse10false< IsRatio>falsefalse00falsefalsefalsetruefalse11falsefalsefalse00falsefalsefalsetruefalse12falsefalsefalse00falsefalsefalsetruefalse13falsefalsefalse00falsefalsefalsetruefalse14falsefa lsefalse00falsefalsefalsetruefalse15falsefalsefalse00falsefalsefalsetruefalse16falsefalsefalse00falsefalsefalsetruefalse17falsefalsefalse00falsefalsefalsetruefalse18falsefalsefalse00falsefalsefalsetruefalse19falsefalsefalse00falsefalsefalsetruefalse20falsefalsefalse00falsefalsefalsetruefalseOtherxbrli:integerItemTypeintegerFor FPL, the number of solar generating facilities for which costs are recovered through a cost recovery clause, beginning in 2009.No authoritative reference available.falsefalseNumber of solar generating facilities for which pre-construction costs and carrying charges are recovered9true0us-gaap_RegulatedOperatingRevenueAbstractus-gaaptruenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalselabel1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4falsefalsefalse00falsefalsefalsefalsefalse5falsefalsefalse00falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalse7falsefalsefalse00falsefalsefalsefalsefalse8falsefalsefalse00falsefalsefalsetruefalse9falsefalsefalse00falsefalsefalsetruefalse10falsefalsefalse00falsefalsefalsetruefalse11falsefalsefalse00falsefalsefalsetruefalse12falsefalsefalse00falsefalsefalsetruefalse13falsefalsefalse00falsefalsefalsetruefalse14falsefalsefalse00falsefalsefalsetruefalse15falsefalsefalse00falsefalsefalsetruefalse16falsefalsefalse00falsefalsefalsetruefalse17falsefalsefalse00< FootnoteIndexer />falsefalsefalsetruefalse18falsefalsefalse00falsefalsefalsetruefalse19falsefalsefalse00falsefalsefalsetruefalse20falsefalsefalse00falsefalsefalsetruefalseOtherxbrli:stringItemTypestringNo definition available.falsefalseRevenues and Rates [Abstract]10false0nee_UnbilledBaseRevenuesIncludedInCustomerReceivablesForWhollyOwnedSubsidiaryneefalsecreditinstantFor FPL, this amount represents the estimated amount of energy delivered to customers but not yet billed. Included in...falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00falsefalsefalsefalsefalse2truefalsefalse148000000148000000falsetruefalsefalsefalse3truefalsefalse148000000148000000falsetruefalsefalsefalse4truefalsefalse148000000148000000falsetruefalsef alsefalse5truefalsefalse121000000121000000falsetruefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalse7falsefalsefalse00falsefalsefalsefalsefalse8falsefalsefalse00falsefalsefalsetruefalse9falsefalsefalse00falsefalsefalsetruefalse10falsefalsefalse00falsefalsefalsetru efalse11falsefalsefalse00falsefalsefalsetruefalse12falsefalsefalse00falsefalsefalsetruefalse13falsefalsefalse00falsefalsefalsetruefalse14falsefalsefalse00falsefalsefalsetruefalse15falsefalsefalse00falsefalsefalsetruefalse16falsefalsefalse00falsefalsefalsetrue false17falsefalsefalse00falsefalsefalsetruefalse18falsefalsefalse00falsefalsefalsetruefalse19falsefalsefalse00falsefalsefalsetruefalse20falsefalsefalse00falsefalsefalsetruefalseMonetaryxbrli:monetaryItemTypemonetaryFor FPL, this amount represents the estimated amount of energy delivered to customers but not yet billed. Included in customer receivables as of the balance sheet date.No authoritative reference available.falsefalseFPL unbilled base revenues included in customer receivables11false0nee_FranchiseFeesAndGrossReceiptsTaxesneefalsecreditdurationFor FPL, total of franchise fees and gross receipts taxes reported gross in operating revenues and taxes other than income...falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4truefalsefalse687000000687000000falsefalsefalsefalsefalse5truefalsefalse791000000791000000falsefalsefalsefalsefalse6truefalsefalse781000000781000000falsefalsefalsefalsefalse7falsefalsefalse00falsefalsefalsefalsefalse8falsefalsefalse00falsefalsefalsetruefalse9falsefalsefalse00falsefalsefalsetruefalse10falsefalsefalse00falsefalsefalsetruefalse11falsefalsefalse00falsefalsefalsetruefalse12falsefalsefalse00falsefalsefalsetruefalse13falsefalsefalse00falsefalsefalsetruef alse14falsefalsefalse00falsefalsefalsetruefalse15falsefalsefalse00falsefalsefalsetruefalse< /hasScenarios>16falsefalsefalse00falsefalsefalsetruefalse17falsefalsefalse00falsefalsefalsetruefalse18falsefalsefalse00falsefalsefalsetruefalse19falsefalsefalse00falsefalsefalsetruefalse20falsefalsefalse00falsefalsefalsetruefalseMonetaryxbrli:monetaryItemTypemonetaryFor FPL, total of franchise fees and gross receipts taxes reported gross in operating revenues and taxes other than income taxes and other on the Consolidated Statements of Income.No authoritative reference available.falsefalseFranchise fees and gross receipts taxes12false0nee_SurchargesRelatedToStormRecoveryneefalsecreditdurationFor FPL, revenues from surcharges related to storm-recovery included in operating revenues on Consolidated Statements of...falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4truefalsefalse101000000101000000falsefalsefalsefalsefalse5truefalsefalse9100000091000000falsefalsefalsefalsefalse6truefalsefalse9700000097000000falsefalsefalsefalsefalse 7falsefalsefalse00falsefalsefalsefalsefalse8falsefalsefalse00falsefalsefalsetruefalse9falsefalsefalse00falsefalsefalsetruefalse10falsefalsefalse00falsefalsefalsetruefalse11falsefalsefalse00falsefalsefalsetruefalse12falsefalsefalse00falsefalsefalsetruefalse 13falsefalsefalse00falsefalsefalsetruefalse14falsefalsefalse00falsefalsefalsetruefalse15falsefalsefalse00falsefalsefalsetruefalse16falsefalsefalse00falsefalsefalsetruefalse17falsefalsefalse00falsefalsefalsetruefalse18falsefalsefalse00falsefalsefalsetruefalse19falsefalsefalse00falsefalsefalsetruefalse20falsefalsefalse00falsefalsefalsetruefalseMonetaryxbrli:monetaryItemTypemonetaryFor FPL, revenues from surcharges related to storm-recovery included in operating revenues on Consolidated Statements of Income.No authoritative reference available.falsefalseSurcharges related to storm-recovery13true0nee_FpscRateOrderRateCaseAbstractneefalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4falsefalsefalse00falsefalsefalsefalsefalse5falsefalsefalse00falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalse7falsefalsefalse00falsefalsefalsefalsefalse8falsefalsefalse00falsefalsefalsetruefalse9falsefalsefalse00falsefalsefalsetruefalse10falsefalsefalse00falsefalsefalsetruefalse11falsefalsefalse00falsefalsefalsetruefalse12falsefalsefalse00falsefalsefalsetruefalse13falsefalsefalse00falsefalsefalsetruefalse14falsefalsefalse00< CurrencyCode />falsefalsefalsetruefalse15falsefalsefalse00falsefalsefalsetruefalse16falsefalsefalse00falsefalsefalsetruefalse17falsefalsefalse00falsefalsefalsetruefalse18falsefalsefalse00falsefalsefalsetruefalse19falsefalsefalse00falsefalsefalsetruefalse20falsefalsefalse00 falsefalsefalsetruefalseOtherxbrli:stringItemTypestringNo definition available.falsefalseFPSC rate order - 2009 rate case [Abstract]14false0nee_IncreaseInBaseRateRevenuesneefalsecreditdurationFor FPL, this amount represents the increase in retail base rate revenues on an annualized basis beginning March 1, 2010.fal sefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00falsefalsefalsefalsefalse2false< /IsNumeric>falsefalse00falsefalsefalsefalsefalse3truefalsefalse7500000075000000falsefalsefalsefalsefalse4falsefalsefalse00falsefalsefalsefalsefalse5falsefalsefalse00falsefalsefalsefalsefalse6fal sefalsefalse00falsefalsefalsefalsefalse7falsefalsefalse00falsefalsefalsefalsefalse8falsefalsefalse00falsefalsefalsetruefalse9falsefalsefalse00falsefalsefalsetruefalse10falsefalsefalse00falsefalsefalsetruefalse11falsefalsefalse00falsefalsefalsetruefalse12falsefalsefalse00falsefalsefalsetruefalse13falsefalsefalse00falsefalsefalsetruefalse14falsefalsefalse00falsefalsefalsetruefalse15falsefalsefalse00falsefalsefalsetruefalse16falsefal sefalse00falsefalsefalsetruefalse17falsefalsefalse00falsefalsefalsetruefalse18falsefalsefalse00falsefalsefalsetruefalse19falsefalsefalse00falsefalsefalsetruefalse20falsefalsefalse00falsefalsefalsetruefalseMonetaryxbrli:monetaryItemTypemonetaryFor FPL, this amount represents the increase in retail base rate revenues on an annualized basis beginning March 1, 2010.No authoritative reference available.falsefalseIncrease in base rate revenues15false0nee_RegulatoryReturnOnCommonEquityneefalsenadurationFor FPL, this element represents the regulatory return on common equity effective March 1, 2010.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsetruefalse00falsefalsefalsefalsefalse2falsetruefalse00falsefalsefalsefalsefalse3truetruefalse0.100.10falsefalsefalsefalsefalse4falsetruefalse00falsefalsefalsefalsefalse5falsetruefalse00falsefalsefalsefalsefalse6falsetruefalse00falsefalsefalsefalsefalse7falsetruefalse00falsefalsefalsefalsefalse8falsetruefalse00falsefalsefalsetruefalse9falsetruefalse00falsefalsefalsetruefalse10falsetruefalse00falsefalsefalsetruefalse11falsetruefalse00falsefalsefalsetruefalse12falsetruefalse00falsefalsefalsetruefalse13falsetruefalse00falsefalsefalsetruefalse14falsetruefalse00falsefalsefalsetruefalse15falsetruefalse00falsefalsefalsetruefalse16falsetruefalse00falsefalsefalsetruefalse17falsetruefalse00falsefalsefalsetruefalse18falsetruefalse00falsefalsefalsetruefalse19falsetruefalse00falsefalsefalsetruefalse20falsetruefalse00falsefalsefalsetruefalseOtherus-types:percentItemTypepureFor FPL, this element represents the regulatory return on common equity effective March 1, 2010.No authoritative reference available.falsefalseRegulatory return on common equity (in hundredths)16false0nee_RegulatoryReturnOnCommonEquityBasisPointsneefalsenadurationFor FPL, this element represents the regulatory return on common equity range of plus or minus basis points.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3truefalsefalse0.010.01falsefalsefalsefalsefalse4falsefalsefalse00falsefalsefalsefalsefalse5falsefalsefalse00falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalse7falsefalsefalse00falsefalsefalsefalsefalse8falsefalsefalse00falsefalsefalsetruefalse9falsefalsefalse00falsefalsefalsetruefalse10falsefalsefalse00falsefalsefalsetruefalse11falsefalsefalse00falsefalsefalsetruefalse12falsefalsefalse00falsefalsefalsetruefalse13falsefalsefalse00falsefalsefalsetruefalse14falsefalsefalse00falsefalsefa lsetruefalse15falsefalsefalse00falsefalsefalsetruefalse16falsefalsefalse00falsefalsefalsetruefalse17falsefalsefalse00falsefalsefalsetruefalse18falsefalsefalse00falsefalsefalsetruefalse19falsefalsefalse00falsefalsefalsetruefalse20falsefalsefalse00falsefalsefalsetruefalseOtherxbrli:decimalItemTypedecimalFor FPL, this element represents the regulatory return on common equity range of plus or minus basis points.No authoritative reference available.falsefalseRegulatory return on common equity range (in hundredths)17false0nee_AdjustedRegulatoryEquityRationeefalsenadurationFor FPL, this element represents the adjusted regulatory equity ratio effective March 1, 2010.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsetruefalse00falsefalsefalsefalsefalse2falsetruefalse00falsefalsefalsefalsefalse3truetruefalse0.5910.591falsefalsefalsefalsefalse4falsetruefalse00falsefalsefalsefalsefalse5falsetruefalse00falsefalsefalsefalsefalse6falsetruefalse00falsefalsefalsefalsefalse7falsetruefalse00falsefalsefalsefalsefalse8falsetrue false00falsefalsefalsetruefalse9falsetruefalse00falsefalsefalsetruefalse10falsetruefalse00falsefalsefalsetruefalse11falsetruefalse00falsefalsefalsetruefalse12falsetruefalse00falsefalsefalsetruefalse13falsetruefalse00falsefalsefalsetruefalse14falsetruefalse00falsefalsefalsetruefalse15falsetruefalse00falsefalsefalsetruefalse16falsetrue false00falsefalsefalsetruefalse17falsetruefalse00falsefalsefalsetruefalse18falsetruefalse00falsefalsefalsetruefalse19falsetruefalse00falsefalsefalsetruefalse20falsetruefalse00falsefalsefalsetruefalseOtherus-types:percentItemTypepureFor FPL, this element represents the adjusted regulatory equity ratio effective March 1, 2010.No authoritative reference available.falsefalseAdjusted regulatory equity ratio (in hundredths)18false0nee_DepreciationReserveSurplusneefalsecreditdurationDepreciation expense reduction related to a depreciation reserve surplus over the 2010 to 2013 period.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3truefalsefalse895000000895000000falsefalsefalsefalsefalse4falsefalsefalse00falsefalsefalsefalsefalse5falsefalsefalse00falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalse7falsefalsefalse00falsefalsefalsefalsefalse8falsefalsefalse00falsefalsefalsetruefalse9falsefalsefalse00falsefalsefalsetruefalse10falsefalsefalse00falsefalsefalsetruefalse11falsefalsefalse00 falsefalsefalsetruefalse12falsefalsefalse00falsefalsefalsetruefalse13falsefalsefalse00falsefalsefalsetruefalse14falsefalsefalse00falsefalsefalsetruefalse15falsefalsefalse00falsefalsefalsetruefalse16falsefalsefalse00falsefalsefalsetruefalse17falsefalsefalse00falsefalsefalsetruefalse18falsefalsefalse00falsefalsefalsetruefalse19falsefalsefalse00falsefalsefalsetruefalse20falsefalsefalse00falsefalsefalsetruefalseMonetaryxbrli:monetaryItemTypemonetaryDepreciation expense reduction related to a depreciation reserve surplus over the 2010 to 2013 peri od.No authoritative reference available.falsefalseDepreciation reserve surplus19true0nee_KeyElementsOfStipulationAndSettlementAgreementAbstractneefalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4falsefalsefalse00falsefalsefalsefalsefa lse5falsefalsefalse00falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalse7falsefalsefalse00falsefalsefalsefalsefalse8falsefalsefalse00falsefalsefalsetruefalse9falsefalsefalse00falsefalsefalsetruefalse10falsefalsefalse00falsefalsefalsetruefalse11falsefalsefalse00falsefalsefalsetruefalse12falsefalsefalse00falsefalsefalsetruefalse13falsefalsefalse00falsefalsefalsetruefalse14falsefalsefalse00falsefalsefalsetruefalse15falsefalsefalse00falsefalsefalsetruefalse16falsefalsefalse00falsefalsefalsetruefalse< Id>17falsefalsefalse00falsefalsefalsetruefalse18falsefalsefalse00falsefalsefalsetruefalse19 falsefalsefalse00falsefalsefalsetruefalse20falsefalsefalse00falsefalsefalsetruefalseOtherxbrli:stringItemTypestringNo definition available.falsefalseKey elements of the stipulation and settlement agreement [Abstract]20false0nee_MinimumDaysFromFilingOfPetitionThatFutureStormRestorationCostsAreRecoverableneefalsenadurationFor FPL, this element represents the minimum days from the filing of a petition that future storm restoration costs would be...falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse0060D60Dfalsefalsefalsefalsefalse4falsefalsefalse00falsefalsefalsefalsefalse5falsefalsefalse00falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalse7falsefalsefalse00falsefalsefalsefalsefalse8falsefalsefalse00falsefalsefalsetruefalse9falsefalsefalse00falsefalsefalsetruefalse10falsefalsefalse00falsefalsefalsetruefalse11falsefalsefalse00falsefalsefalsetruefalse12falsefalsefalse00falsefalsefalsetruefalse13falsefalsefalse00falsefalsefalsetruefalse14falsefalsefalse00falsefalsefalsetruefalse15falsefalsefalse00falsefalsefalsetruefalse16falsefalsefalse00falsefalsefalsetruefalse17falsefalsefalse00falsefalsefalsetruefalse18falsefalsefalse00falsefalsefalsetruefalse19falsefalsefalse00falsefalsefalsetruefalse20falsefalsefalse00falsefalsefalsetruefalseOtherus-types:durationStringItemTypenormalizedstringFor FPL, this element represents the minimum days from the filing of a petition that future storm restoration costs would be recoverable on an accelerated basis.No authoritative reference available.falsefalseMinimum days from the filing of a petition that future storm restoration costs are recoverable (in days)21false0nee_Maxi mumSurchargeneefalsedebitdurationFor FPL, this element represents the future storm restoration costs maximum surcharge for every 1,000 kwh of usage on...falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3truefalsefalse44falsefalsefalsefalsefalse4falsefalsefalse00falsefalsefalsefalsefalse5falsefalsefalse00falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalse7falsefalsefalse00falsefalsefalsefalsefalse8falsefalsefalse00falsefalsefalsetruefalse9falsefalsefalse00falsefalsefalsetruefalse10falsefalsefalse00falsefalsefalsetruefalse11falsefalsefalse00falsefalsefalsetruefalse12falsefalsefalse00falsefalsefalsetruefalse13falsefalsefalse00falsefalsefalsetruefalse14falsefalsefalse00falsefalsefalsetruefalse15falsefalsefalse00falsefalsefalsetruefalse16falsefalsefalse00falsefalsefalsetruefalse17falsefalsefalse00falsefalsefalsetruefalse18falsefalsefalse00falsefalsefalsetruefalse19falsefalsefalse00falsefalsefalsetruefalse20falsefalsefalse00falsefalsefalsetruefalseMonetaryxbrli:monetaryItemTypemonetaryFor FPL, this element represents the future storm restoration costs maximum surcha rge for every 1,000 kwh of usage on residential bills during the first 12 months.No authoritative reference available.falsefalseMaximum surcharge22false0nee_IncrementOfUsageInKwhOnWhichSurchargeIsBasedneefalsenadurationFor FPL, this element represents the increment (in kwh) of usage on which the future storm restoration costs maximum...falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3truefalsefalse10001000falsefalsefalsefalsefalse4falsefalsefalse00falsefalsefalsefalsefalse5falsefalsefalse00falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalse7falsefalsefalse00falsefalsefalsefalsefalse8falsefalsefalse00falsefalsefalsetruefalse9falsefalsefalse00falsefalsefalsetruefalse10falsefalsefalse00falsefalsefalsetruefalse11falsefalsefalse00falsefalsefalsetruefalse12falsefalsefalse00falsefalsefalsetruefalse13falsefalsefalse00falsefalsefalsetruefalse14falsefalsefalse00falsefalsefalsetruefalse15falsefalsefalse00falsefalsefalsetruefalse16falsefalsefalse00falsefalsefalsetruefalse17falsefalsefalse00falsefalsefalsetruefalse18falsefalsefalse00falsefals efalsetruefalse19falsefalsefalse00falsefalsefalsetruefalse20falsefalsefalse00falsefalsefalsetruefalseOtherus-types:energyItemTypedecimalFor FPL, this element represents the increment (in kwh) of usage on which the future storm restoration costs maximum surcharge is based.No authoritative reference available.falsefalseIncrement of usage on which surcharge is based (in kilowatt-hours)23false0nee_ThresholdOfStormRestorationCostsInAnyGivenCalendarYearAtWhichSurchargeMayBeIncreasedneefalsedebitduration< ShortDefinition>For FPL, this element represents the minimum amount of storm restoration costs in any given calendar year at which FPL may...falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3truefalsefalse800000000800000000falsefalsefalsefalsefalse4falsefalsefalse00falsefalsefalsefalsefalse5falsefalsefalse00falsefa lsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalse7falsefalsefalse00falsefalsefalsefalsefalse8falsefalsefalse00falsefalsefalsetruefalse9falsefalsefalse00falsefalsefalsetruefalse10falsefalsefalse00falsefalsefalsetruefalse11falsefalsefalse00falsefalsefalsetruefalse12falsefalsefalse00falsefalsefalsetruefalse13falsefalsefalse00falsefalsefalsetruefalse14falsefalsefalse00falsefalsefalsetruefalse15falsefalsefalse00falsefalsefalsetruefalse16falsefalsefalse00falsefalsefalsetruefalse17falsefalsefalse00falsefalsefalsetruefalse18falsefalsefalse00falsefalsefalsetruefalse19falsefalsefalse00falsefalsefalsetruefalse20falsefalsefalse00falsefalsefalsetruefalseMonetaryxbrli:monetaryItemTypemonetaryFor FPL, this element represents the minimum amount of storm restoration costs in any given calendar year at which FPL may request an increase to the maximum future storm restoration costs surcharge.No authoritative reference available.falsefalseThreshold of storm restoration costs in any given calendar year at which surcharge may be increased24false0nee_EarnedRegulatoryRoeThresholdBelowWhichRetailbaseRateReliefMayBeSoughtneefalsenadurationFor FPL, this element represents the threshold of the earned regulatory ROE below which retail base rate relief may be...falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsetruefalse00falsefalsefalsefalsefalse2falsetruefalse00falsefalsefalsefalsefalse3truetruefalse0.090.09falsefalsefalsefalsefalse4falsetruefalse00falsefalsefalsefalsefalse5falsetruefalse00falsefalsefalsefalsefalse6falsetruefalse00falsefalsefalsefalsefalse7falsetruefalse00falsefalsefalsefalsefalse8falsetruefalse00false~~falsefalsetruefalse~~9falsetruefalse00falsefalsefalsetruefalse10falsetruefalse00falsefalsefalsetruefalse11falsetruefalse00falsefalsefalsetruefalse12falsetruefalse00falsefalsefalsetruefalse13falsetruefalse00falsefalsefalsetruefalse14falsetruefalse00falsefals efalsetruefalse15falsetruefalse00falsefalsefalsetruefalse16falsetruefalse00falsefalsefalsetruefalse17falsetruefalse00falsefalsefalsetruefalse18falsetruefalse00falsefalsefalsetruefalse19falsetruefalse00falsefalsefalsetruefalse20falsetruefalse00falsefalsefalsetruefalseOtherus-types:percentItemTypepureFor FPL, this element represents the threshold of the earned regulatory ROE below which retail base rate relief may be sought.No authoritative reference available.falsefalseEarned regulatory ROE threshold below which retail base rate relief may be sought (in hundredths)25false0nee_EarnedRegulatoryRoeThresholdAboveWhichRetailbaseRateReductionMayBeSoughtneefalsenadurationFor FPL, this element represents the threshold of the earned regulatory ROE above which retail base rate reduction may be...falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsetruefalse00falsefalsefalsefalsefalse2falsetruefalse00falsefalsefalsefalsefalse3truetruefalse0.110.11falsefalsefalsefalsefalse4falsetruefalse00falsefalsefalsefalsefalse5falsetruefalse00falsefalsefalsefalsefalse6falsetruefalse00falsefalsefalsefalsefalse7falsetruefalse00falsefalsefalsefalsefalse8falsetruefalse00falsefalsefalsetruefalse9falsetruefalse00falsefalsefalsetruefalse10falsetruefalse00falsefalsefalsetruefalse11falsetruefalse00falsefalsefal setruefalse12falsetruefalse00falsefalsefalsetruefalse13falsetruefalse00falsefalsefalsetruefalse14falsetruefalse00falsefalsefalsetruefalse15falsetruefalse00falsefalsefalsetruefalse16falsetruefalse00falsefalsefalsetruefalse17falsetruefalse00falsefalsefalsetruefalse18falsetruefalse00falsefalsefalsetruefalse19falsetruefalse00falsefalsefalsetruefalse20falsetruefalse00falsefalsefalsetruefalseOtherus-types:percentItemTypepureFor FPL, this element represents the threshold of the earned regulatory ROE above which retail base rate reduction may be sought.No authoritative reference available.falsefalse Earned regulatory ROE threshold above which retail base rate reduction may be sought (in hundredths)26false0nee_MaximumAmountOfSurplusDepreciationTakenInAnyOneCalendarYearneefalsedebitdurationFor FPL, the maximum amount of surplus depreciation taken in any one calendar year, which can vary (with any unused portion...falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3truefalsefalse267000000267000000falsefalsefalsefalsefalse4falsefalsefalse00falsefalsefalsefalsefalse5falsefalsefalse00falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalse falsefalse7falsefalsefalse00falsefalsefalsefalsefalse8falsefalsefalse00falsefalsefalsetruefalse9falsefalsefalse00falsefalsefalsetruefalse10falsefalsefalse00falsefalsefalsetruefalse11falsefalsefalse00falsefalsefalsetruefalse12falsefalsefalse00falsefalsefalsetru efalse13falsefalsefalse00falsefalsefalsetruefalse14falsefalsefalse00falsefalsefalsetruefalse15falsefalsefalse00falsefalsefalsetruefalse16falsefalsefalse00falsefalsefalsetruefalse17falsefalsefalse00falsefalsefalsetruefalse18falsefalsefalse00falsefalsefalsetrue false19falsefalsefalse00falsefalsefalsetruefalse20falsefalsefalse00falsefalsefalsetruefalseMonetaryxbrli:monetaryItemTypemonetaryFor FPL, the maximum amount of surplus depreciation taken in any one calendar year, which can vary (with any unused portion of the maximum rolling over to and available in subsequent years), provided the regulatory ROE remains with the range of 9% to 11%.No authoritative reference available.falsefalseMaximum amount of surplus depreciation taken in any one calendar year27false0nee_MaximumAmountOfSurplusDepreciationThatMayBeUsedOverCourseOfAgreementneefalsedebitdurationFor FPL, the maximum amount of surplus depreciation that may be used over the course of the 2010 rate agreement.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3truefalsefalse776000000776000000falsefalse< /ShowCurrencySymbol>falsefalsefalse4falsefalsefalse00falsefalsefalsefalsefalse5falsefalsefalse00falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalse7falsefalsefalse00falsefalsefalsefalsefalse8falsefalsefalse00falsefalsefalsetruefalse9falsefalsefalse00falsefalsefalsetruefalse10falsefalsefalse00falsefalsefalsetruefalse11falsefalsefalse00falsefalse< DisplayDateInUSFormat>falsetruefalse12falsefalsefalse00falsefalsefalsetruefalse13falsefalsefalse00falsefalsefalsetruefalse14falsefalsefalse00falsefalsefalsetruefalse15falsefalsefalse00falsefalsefalsetruefalse16falsefalsefalse00falsefalsefalsetruefalse17falsefalsefalse00falsefalsefalsetruefalse18falsefalsefalse00falsefalsefalsetruefalse19falsefalsefalse00falsefalsefalsetruefalse20falsefalsefalse00falsefalsefalsetruefalseMonetaryxbrli:monetaryItemTypemonetaryFor FPL, the maximum amount of surplus depreciation that may be used over the course of the 2010 rate agreement.No authoritative reference available.falsefalseMaximum amount of surplus depreciation that may be used over the course of the agreement28true0nee_RateAgreementAbstractneefalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4falsefalsefalse00falsefalsefalsefalsefalse5falsefalsefalse00falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalse7falsefalsefalse00falsefalsefalsefalsefalse8falsefalsefalse00falsefalsefalsetruefalse9falsefalsefalse00falsefalsefalsetruefalse10falsefalsefalse00falsefalsefalsetruefalse11falsefalse false00falsefalsefalsetruefalse12falsefalsefalse00falsefalsefalsetruefalse13falsefalsefalse 00falsefalsefalsetruefalse14falsefalsefalse00falsefalsefalsetruefalse15falsefalsefalse00falsefalsefalsetruefalse16falsefalsefalse00falsefalsefalsetruefalse17falsefalsefalse00falsefalsefalsetruefalse18falsefalsefalse00falsefalsefalsetruefalse19falsefalsefalse00falsefalsefalsetruefalse20falsefalsefalse00falsefalsefalsetruefalseOtherxbrli:stringItemTypestringNo definition available.falsefalse2005 rate agreement [Abstract]29false0nee_NumberOfPowerPlantsThatAchievedCommercialOperationneefalsenadurationFor FPL, the number of power plants that achieved commercial operation during the term of the 2005 rate agreement, for which...falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4falsefalsefalse00falsefalsefalsefalsefalse5falsefalsefalse00falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalse7truefalsefalse33falsefalsefalsefalsefalse8falsefalsefalse00falsefalsefalsetruefalse9falsefalsefalse00falsefalsefalsetruefalse10falsefalsefalse00falsefalsefalsetruefalse11falsefalsefalse00falsefalsefalsetruefalse12falsefalsefalse00falsefalsefalsetruefalse13falsefalsefalse00falsefalsefalsetruefalse14falsefalsefalse00falsefalsefalsetruefalse15falsefalsefalse00falsefalsefalsetruefalse16falsefalsefalse00falsefalsefal setruefalse17falsefalsefalse00falsefalsefalsetruefalse18falsefalsefalse00falsefalsefalsetruefalse19falsefalsefalse00falsefalsefalsetruefalse20falsefalsefalse00falsefalsefalsetruefalseOtherxbrli:integerItemTypeintegerFor FPL, the number of power plants that achieved commercial operation during the term of the 2005 rate agreement, for which retail base rates were increased to allow recovery of the revenue requirements.No authoritative reference available.falsefalseNumber of power plants that achieved commercial operation30false0nee_AllowedAnnualReductionOfDepreciationOnPlantInServiceneefalsedebitdurationFor FPL, thi s element represents the amount of depreciation reduced on plant in service each year, as allowed by the 2005...falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4falsefalsefalse00falsefalsefalsefalsefalse5falsefalsefalse00falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalse7truefalsefalse125000000125000000falsefalsefalsefalsefalse8falsefalsefalse00falsefalsefalsetruefalse9falsefalsefalse00falsefalsefalsetruefalse10falsefalsefalse00falsefalsefalsetruefalse11falsefalsefalse00falsefalsefalsetruefalse12falsefalsefalse00falsefalsefalsetruefalse13falsefalsefalse00falsefalsefal setruefalse14falsefalsefalse00falsefalsefalsetruefalse15falsefalsefalse00falsefalsefalsetruefalse16falsefalsefalse00falsefalsefalsetruefalse17falsefalsefalse00falsefalsefalsetruefalse18falsefalsefalse00falsefalsefalsetruefalse19falsefalsefalse00falsefalsefalsetruefalse20falsefalsefalse00falsefalsefalsetruefalseMonetaryxbrli:monetaryItemTypemonetaryFor FPL, this element represents the amount of depreciation reduced on plant in service each year, as allowed by the 2005 rate agreement.No authoritative reference available.false falseAllowed annual reduction of depreciation on plant in service31true0nee_ElectricPlantDepreciationAndAmortizationAbstractneefalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefals efalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4falsefalsefalse00falsefalsefalsefalsefalse5falsefalsefalse00falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalse7falsefalsefalse00falsefalsefalsefalsefalse8falsefalsefalse00falsefalsefalsetruefalse9falsefalsefalse00falsefalsefalsetruefalse10falsefalsefalse00falsefalsefalsetruefalse11falsefalsefalse00falsefalsefalsetruefalse12falsefalsefalse00falsefalsefalsetruefalse13falsefalsef alse00falsefalsefalsetruefalse14falsefalsefalse00falsefalsefalsetruefalse15falsefalsefalse< /DisplayZeroAsNone>00falsefalsefalsetruefalse16falsefalsefalse00falsefalsefalsetruefalse17falsefalsefalse00falsefalsefalsetruefalse18falsefalsefalse00falsefalsefalsetruefalse19falsefalsefalse00falsefalsefalsetruefalse20falsefalsefalse00falsefalsefalsetruefalseOtherxbrli:stringItemTypestringNo definition available.falsefalseElectric Plant, Depreciation and Amortization [Abstract]32false0nee_ElectricGeneratingAssetsToGrossInvestmentInElectricUtilityPlantInServiceneefalsenainstantFor FPL, this element represents the percentage of electric generating assets to gross investment in electric utility plant...falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsetruefalse00falsefalsefalsefalsefalse2truetruefalse0.470.47falsefalsefalsefalsefalse3truetruefalse0.470.47falsefalsefalsefalsefalse4truetruefalse0.470.47falsefalsefalsefalsefalse5falsetruefalse00falsefalsefalsefalsefalse6falsetruefalse00falsefalsefalsefalsefalse7falsetruefalse00falsefalsefalsefalsefalse8falsetruefalse00falsefalsefalsetruefalse9falsetruefalse00falsefalsefalsetruefalse10falsetruefalse00false< ShowCurrencySymbol>falsefalsetruefalse11falsetruefalse00falsefalsefalsetruefalse12falsetruefalse00falsefalsefalsetruefalse13falsetruefalse00falsefalsefalsetruefalse14falsetruefalse00falsefalsefalsetruefalse15falsetruefalse00falsefalsefalsetruefalse16falsetruefalse00falsefa lsefalsetruefalse17falsetruefalse00falsefalsefalsetruefalse18falsetruefalse00falsefalsefalsetruefalse19falsetruefalse00falsefalsefalsetruefalse20falsetruefalse00falsefalsefalsetruefalseOtherus-types:percentItemTypepureFor FPL, this element represents the percentage of electric generating assets to gross investment in electric utility plant in service.No authoritative reference available.falsefalsePercentage of electric generating assets to gross investment in electric utility plant in service (in hundredths)33false0nee_ElectricTransmissionAssetsToGrossInvestmentInElectricUtilityPlantInServiceneefalsenainstantFor FPL, this element represents the percentage of electric transmission assets to gross investment in electric utility plant...falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsetruefalse00false~~falsefalsefalsefalse~~2truetruefalse0.120.12falsefalsefalsefalsefalse3truetruefalse0.120.12falsefalsefalsefalsefalse4truetruefalse0.120.12falsefalsefalsefalsefalse5falsetruefalse00false< ShowCurrencySymbol>falsefalsefalsefalse6falsetruefalse00falsefalsefalsefalsefalse7falsetruefalse00falsefalsefalsefalsefalse8falsetruefalse00falsefalsefalsetruefalse9falsetruefalse00falsefalsefalsetruefalse10falsetruefalse00falsefalsefalsetruefalse11falsetruefalse00falsefal sefalsetruefalse12falsetruefalse00falsefalsefalsetruefalse13falsetruefalse00falsefalsefalsetruefalse14falsetruefalse00falsefalsefalsetruefalse15falsetruefalse00falsefalsefalsetruefalse16falsetruefalse00falsefalsefalsetruefalse17falsetruefalse00falsefalsefalsetruefalse18falsetruefalse00falsefalsefalsetruefalse19falsetruefalse00falsefalsefalsetruefalse20falsetruefalse00falsefalsefalsetruefalseOtherus-types:percentItemTypepureFor FPL, this element represents the percentage of electric transmission assets to gross investment in electric utility plant in service.No authoritative reference available.falsefalsePercentage of electric transmission assets to gross investment in electric utility plant in service (in hundredths)34false0nee_ElectricDistributionAssetsToGrossInvestmentInElectricUtilityPlantInServiceneefalsenainstantFor FPL, this element represents the percentage of electric distribution assets to gross investment in electric utility plant...falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsetruefalse00falsefalsefalsefalsefalse2truetruefalse0.370.37falsefalsefalsefalsefalse3truetruefalse0.370.37falsefalsefalsefalsefalse4truetruefalse0.370.37falsefalsefalsefalsefalse5falsetruefalse00falsefalsefalsefalsefalse6falsetruefalse00falsefalsefalsefalsefalse7falsetruefalse00falsefalsefalsefalsefalse8falsetruefalse00falsefalse< /ShowCurrencySymbol>falsetruefalse9falsetruefalse00falsefalsefalsetruefalse10falsetruefalse00falsefalsefalsetruefalse11falsetruefalse00falsefalsefalsetruefalse12falsetruefalse00falsefalsefalsetruefalse13falsetruefalse00falsefalsefalsetruefalse14falsetruefalse00falsefalsefalsetruefalse15falsetruefalse00falsefalsefalsetruefalse16falsetruefalse00falsefalsefalsetruefalse17falsetruefalse00falsefalsefalsetruefalse18falsetruefalse00falsefalsefalsetruefalse19falsetruefalse00falsefalsefalsetruefalse20falsetruefalse00falsefalse falsetruefalseOtherus-types:percentItemTypepureFor FPL, this element represents the percentage of electric distribution assets to gross investment in electric utility plant in service.No authoritative reference available.falsefalsePercentage of electric distribution assets to gross investment in electric utility plant in service (in hundredths)35false0nee_GeneralFacilitiesAssetsToGrossInvestmentInElectricUtilityPlantInServiceneefalsenainstantFor FPL, this element represents the percentage of general facilities assets to gross investment in electric utility plant in...falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsetruefalse00falsefalsefalsefalsefalse2truetruefalse0.040.04falsefalsefalsefalsefalse3truetruefalse0.040.04falsefalsefalsefalsefalse4truetruefalse0.040.04falsefalsefalsefalsefalse5falsetruefalse00falsefalsefalsefalsefalse6falsetruefalse00falsefalsefalsefalsefalse7falsetruefalse00falsefalsefalsefalsefalse8falsetruefalse00falsefalsefalsetruefalse9falsetruefalse00falsefalsefalsetruefalse10falsetruefalse00falsefalsefalsetruefalse11falsetruefalse00falsefalsefalsetruefalse12falsetruefalse00falsefalsefalsetruefalse13falsetruefalse00falsefalsefalsetruefalse14falsetruefalse00falsefalsefalsetruefalse15falsetruefalse00falsefalse falsetruefalse16falsetruefalse00falsefalsefalsetruefalse17falsetruefalse00falsefalsefalsetruefalse18falsetruefalse00falsefalsefalsetruefalse19falsetruefalse00falsefalsefalsetruefalse20falsetruefalse00falsefalsefalsetruefalseOtherus-types:percentItemTypepureFor FPL, this element represents the percentage of general facilities assets to gross investment in electric utility plant in service.No authoritative reference available.falsefalsePercentage of general facilities assets to gross investment in electric utility plant in service (in hundredths)36false0nee_NetBookValueOfAssetsServingAsCollateralneefalsedebitinstantFor NextEra Energy Resources, this element represents the net book value of assets which serve as collateral that secure...falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00falsefalsefalsefalsefalse2truefalsefalse80000000008000000000falsefalsefalsefalsefalse3truefalsefalse80000000008000000000falsefalsefalsefalsefalse4truefalsefalse80000000008000000000falsefalse< DisplayDateInUSFormat>falsefalsefalse5falsefalsefalse00falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalse7falsefalsefalse00falsefalsefalsefalsefalse8falsefalsefalse00falsefalsefalsetruefalse9falsefalsefalse00falsefalsefalsetruefalse10falsefalsefalse00falsefalsefalsetruefalse11falsefalsefalse00falsefalsefalsetruefalse12falsefalsefalse00falsefalsefalsetruefalse13falsefalsefalse00falsefalsefalsetruefalse14falsefalsefalse00falsefalsefals etruefalse15falsefalsefalse00falsefalsefalsetruefalse16falsefalsefalse00falsefalsefalsetruefalse17falsefalsefalse00falsefalsefalsetruefalse18falsefalsefalse00falsefalsefalsetruefalse19falsefalsefalse00falsefalsefalsetruefalse20falsefalsefalse00falsefalsefalsetruefalseMonetaryxbrli:monetaryItemTypemonetaryFor NextEra Energy Resources, this element represents the net book value of assets which serve as collateral that secure various financings for electric generating facilities.No authoritative reference available.falsefalseNet book value of assets serving as collateral37false0nee_ConvertibleInvestmentTaxCreditsneefalsedebitdurationThe amount of convertible ITCs recorded during the year. Convertible ITCs are amortized as a reduction to depreciation and...falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00falsefalsefalsefalse< /hasSegments>false2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4truefalsefalse10000000001000000000falsefalsefalsefalsefalse5truefalsefalse517000000517000000falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalse7falsefalsefalse00falsefalsefalsefalsefalse8falsefalsefalse00falsefalsefalsetruefalse9falsefalsefalse00falsefalsefalsetruefalse10falsefalsefalse00falsefalsefalsetruefalse11falsefalsefalse00falsefalsefalse truefalse12falsefalsefalse00falsefalsefalsetruefalse13falsefalsefalse00falsefalsefalsetrue< /hasSegments>false14falsefalsefalse00falsefalsefalsetruefalse15falsefalsefalse00falsefalsefalsetruefalse16falsefalsefalse00falsefalsefalsetruefalse17falsefalsefalse00falsefalsefalsetruefalse18falsefalsefalse00falsefalsefalsetruefalse19falsefalsefalse00falsefalsefalsetruefalse20falsefalsefalse00falsefalsefalsetruefalseMonetaryxbrli:monetaryItemTypemonetaryThe amount of convertible ITCs recorded during the year. Convertible ITCs are amortized as a reduction to depreciation and amortization expense over the estimated life of the related property, plant and equipment.No authoritative reference available.falsefalseConvertible ITCs38false0nee_ConvertibleInvestmentTaxCreditsIncludedInOtherReceivablesneefalsedebitinstantConvertible investment tax credits (ITCs) included in other receivables on the consolidated balance sheets. Convertible ITCs...falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel< /PreferredLabelRole>1falsefalsefalse00falsefalsefalsefalsefalse2truefalsefalse429000000429000000falsefalsefalsefals efalse3truefalsefalse429000000429000000falsefalsefalsefalsefalse4truefalsefalse429000000429000000falsefalsefalsefalsefalse5truefalsefalse417000000417000000falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalse7falsefalsefalse00falsefalsefalsefalsefalse8falsefalsefalse00falsefalsefalsetruefalse9falsefalsefalse00falsefalsefalsetruefalse10falsefalsefalse00falsefalsefalsetruefalse11falsefalsefalse00falsefalsefalsetruefalse12falsefalsefalse00falsefalsefalsetruefalse13falsefalsefalse00falsefalsefalsetruefalse14falsefalsefalse00falsefalsefalsetruefalse15falsefalsefalse00falsefalsefalsetruefalse16falsefalsefalse00falsefalsefalsetruefalse17falsefalsefalse00falsefalsefalsetruefalse18falsefalsefalse00falsefalsefalse truefalse19falsefalsefalse00falsefalsefalsetruefalse20falsefalsefalse00falsefalsefalsetrue< /hasSegments>falseMonetaryxbrli:monetaryItemTypemonetaryConvertible investment tax credits (ITCs) included in other receivables on the consolidated balance sheets. Convertible ITCs are amortized as a reduction to depreciation and amortization expense over the estimated life of the related property, plant and equipment.No authoritative reference available.falsefalseConvertible ITCs included in other receivables39false0nee_MaximumIntervalBetweenDepreciationStudiesneefalsenadurationFor su bstantially all of FPL's property, the maximum interval (in years) between depreciation studies that are performed and...falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00falsefalse< DisplayDateInUSFormat>falsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4falsefalsefalse004Y4Yfalsefalsefalsefalsefalse5falsefalsefalse00falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalse7falsefalsefalse00falsef alsefalsefalsefalse8falsefalsefalse00falsefalsefalsetruefalse9falsefalsefalse00falsefalsefalsetruefalse10falsefalsefalse00falsefalsefalsetruefalse11falsefalsefalse00falsefalsefalsetruefalse12falsefalsefalse00falsefalsefalsetruefalse13falsefalsefalse00falsefalsefalsetruefalse14falsefalsefalse00falsefalsefalsetruefalse15falsefalsefalse00falsefalsefalsetruefalse16falsefalsefalse00falsefalsefalsetruefalse17falsefalsefalse00falsefalse< DisplayDateInUSFormat>falsetruefalse18falsefalsefalse00falsefalsefalsetruefalse19falsefalsefalse00falsefalsefalsetruefalse20falsefalsefalse00falsefalsefalsetruefalseOtherus-types:durationStringItemTypenormalizedstringFor substantially all of FPL's property, the maximum interval (in years) between depreciation studies that are performed and filed with the Florida Public Service Commission (FPSC).No authoritative reference available.falsefalseMaximum interval between depreciation studies performed and filed with the FPSC (in years)40false0nee_RemainingSurplusDepreciationCreditCapneefalsenainstantFor FPL, this element represent the remaining surplus depreciation credit cap.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00falsefalsefalsefalsefalse2truefalsefalse772000000772000000falsefalsefalsefalsefalse3truefalsefalse772000000772000000falsefalsefalsefalsefalse4truefalsefalse772000000772000000falsefalsefalsefalsefalse5falsefalsefalse00falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalse7falsefalsefalse00falsefalsefalsefalsefalse8falsefalsefalse00falsefalsefalsetruefalse9falsefalsefalse00falsefalsefalsetruefalse10falsefalsefalse00falsefalsefalsetruefalse11falsefalsefalse00falsefalsefalsetruefalse12falsefalsefalse00falsefalsefalsetruefalse13falsefalsefalse00falsefalsefalsetruefalse14falsefalsefalse00falsefalsefalsetruefalse15falsefalsefalse00falsefalsefalsetruefalse16falsefalsefalse00falsefalsefalsetruefalse17falsefalsefalse00falsefalsefalsetruefalse18falsefalsefalse00falsefalsefalsetruefalse19falsefalsefalse00falsefalsefalsetruefalse20falsefalsefalse00falsefalsefalsetruefalseMonetaryxbrli:monetaryItemTypemonetaryFor FPL, this element represent the remaining surplus depreciation credit cap.No authoritative reference available.falsefalseRemaining surplus depreciation credit cap41false0us-gaap_PublicUtilitiesPropertyPlantAndEquipmentDisclosureOfCompositeDepreciationRateForPlantsInServiceus-gaaptruenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalselabel1falsetruefalse00falsefalsefalsefalsefalse2falsetruefalse00falsefalsefalsefalsefalse3falsetruefalse00falsefalsefalsefalsefalse4truetruefalse0.0320.032falsefalsefalsefalsefalse5truetruefalse0.0360.036falsefalsefalsefalsefalse6truetruefalse0.0360.036falsefalsefalsefalsefalse7falsetruefalse00falsefalsefalsefalsefalse8falsetruefalse00falsefalsefalsetruefalse9falsetruefalse00falsefalsefalsetruefalse10falsetruefalse00falsefalsefalsetruefalse11falsetruefalse00falsefalsefalsetruefalse12falsetruefalse00falsefalsefalsetruefalse13falsetruefalse00falsefalsefalsetruefalse14falsetruefalse 00falsefalsefalsetruefalse15falsetruefalse00falsefalsefalsetruefalse16falsetruefalse00falsefalsefalsetruefalse17falsetruefalse00falsefalsefalsetruefalse18falsetruefalse00falsefalsefalsetruefalse19falsetruefalse00falsefalsefalsetruefalse20falsetruefalse< NumericAmount>00falsefalsefalsetruefalseOtherus-types:percentItemTypepureDiscloses the overall composite depreciation rate for pubic utility plants in service for each year an income statement is presented.No authoritative reference available.falsefalseFPL's composite depreciation rate for electric plant in service (in hundredths)42false0nee_EffectiveDepreciationRatesExcludingDecommissioningneefalsenadurationFor NextEra Energy Resources, this element represents the effective depreciation rates, excluding decommissioning, for...falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsetruefalse0< RoundedNumericAmount>0falsefalsefalsefalsefalse2falsetruefalse00falsefalsefalsefalsefalse3falsetruefalse00falsefalsefalsefalsefalse4truetruefalse0.0440.044falsefalsefalsefalsefalse5truetruefalse0.0420.042falsefalsefalsefalsefalse6truetruefalse0.0430.043falsefalsefalsefalsefalse7falsetruefalse0< RoundedNumericAmount>0falsefalsefalsefalsefalse8falsetruefalse00falsefalsefalsetruefalse9falsetruefalse00falsefalsefalsetruefalse10falsetruefalse00falsefalsefalsetruefalse11falsetruefalse00falsefalsefalsetruefalse12falsetruefalse00falsefalsefalsetruefalse13falsetruefalse00 falsefalsefalsetruefalse14falsetruefalse00falsefalsefalsetruefalse15falsetruefalse00falsefalsefalsetruefalse16falsetruefalse00falsefalsefalsetruefalse17falsetruefalse00falsefalsefalsetruefalse18falsetruefalse00falsefalsefalsetruefalse19falsetruefalse00falsefalsefalsetruefalse20falsetruefalse00falsefalsefalsetruefalseOtherus-types:percentItemTypepureFor NextEra Energy Re sources, this element represents the effective depreciation rates, excluding decommissioning, for electric plants in service less salvage value, if any.No authoritative reference available.falsefalseNextEra Energy Resources' effective depreciation rates, excluding decommissioning (in hundredths)43true0nee_ConstructionActivityAbstractneefalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefal sefalsefalsefalseverboselabel1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00< IsIndependantCurrency>falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4falsefalsefalse00falsefalsefalsefalsefalse5falsefalsefalse00falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalse7falsefalsefalse00falsefalsefalsefalsefalse8falsefalsefalse00falsefalsefalsetruefalse9falsefalsefalse00falsefalsefalsetruefalse10falsefalsefalse00falsefalsefalsetruefalse11falsefalsefalse00falsefalsefalsetruefalse12falsefalsefalse00fals efalsefalsetruefalse13falsefalsefalse00falsefalsefalsetruefalse14falsefalsefalse00falsefalsefalsetruefalse15falsefalsefalse00falsefalsefalsetruefalse16falsefalsefalse00falsefalsefalsetruefalse17falsefalsefalse00falsefalsefalsetruefalse18falsefalsefalse00falsefalsefalsetruefalse19falsefalsefalse00falsefalsefalsetruefalse20falsefalsefalse00falsefalsefalsetruefalseOtherxbrli:stringItemTypestringNo definition available.falsefalseConstruction Activity [Abstract]44false0nee_ThresholdOfPlantInServiceBalanceAtWhichAfudcMayBeRecordedneefalsenadurationFor FPL, FPSC rules limit the recording of allowance for funds used during construction (AFUDC) to projects that cost in...falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsetruefalse00falsefalsefalsefalsefalse2falsetruefalse00falsefalsefalsefalsefalse3falsetruefalse00falsefalsefalsefalsefalse4truetruefal se0.0050.005falsefalsefalsefalsefalse5falsetruefalse00falsefalsefalsefalsefalse6falsetruefa lse00falsefalsefalsefalsefalse7falsetruefalse00falsefalsefalsefalsefalse8falsetruefalse00falsefalsefalsetruefalse9falsetruefalse00falsefalsefalsetruefalse10falsetruefalse00falsefalsefalsetruefalse11falsetruefalse00falsefalsefalsetruefalse12falsetruefalse00falsefalsefalsetruefalse13falsetruefalse00falsefalsefalsetruefalse14falsetruefalse00falsefalsefalsetruefalse15falsetruefalse00falsefalsefalsetruefalse16falsetruefalse00falsefalsefalsetruefalse17falsetruefalse00falsefalsefalsetruefalse18falsetruefalse00falsefalsefalsetruefalse19falsetruefalse00falsefalsefalsetruefalse20falsetruefalse00falsefalsefalsetruefalseOtherus-types:percentItemTypepureFor FPL, FPSC rules limit the recording of allowance for funds used during construction (AFUDC) to projects that cost in excess of this threshold percentage of a utility's plant in service balance, and that require more than one year to complete. FPSC rules allow construction projects below this threshold as a component of rate base.No authoritative reference available.falsefalseThreshold of plant in service balance at which AFUDC may be recorded (in hundredths)45false0us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionRateus-gaaptruenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalselabel1true truefalse0.07410.0741falsefalsefalsefalsefalse2truetruefalse0.06410.0641falsefalsefalsefalsefalse3falsetruefalse00falsefalsefalsefalsefalse4falsetruefalse00falsefalsefalsefalsefalse5truetruefalse0.07410.0741falsefalsefalsefalsefalse6truetruefalse0.07650.0765falsefalsefalsefalsefalse7falsetruefalse00falsefalsefalsefalsefalse8falsetruefalse00falsefalsefalsetruefalse9false< IsRatio>truefalse00falsefalsefalsetruefalse10falsetruefalse00falsefalsefalsetruefalse11falsetruefalse00falsefalsefalsetruefalse12falsetruefalse00falsefalsefalsetruefalse13falsetruefalse00falsefalsefalsetruefalse14falsetruefalse00falsefalsefalsetruefalse15falsetruefalse00falsefalsefalsetruefalse16falsetruefalse00falsefalsefalsetruefalse17falsetruefalse00falsefalsefalsetruefalse18falsetruefalse00falsefalsefalsetruefalse19falsetruefalse00falsefalsefalsetruefalse20falsetruefalse00falsefalsefalsetruefalseOtherus-types:per centItemTypepureDisclosure of the effective rate for the period representing (a) total additions to qualifying regulated assets for allowance for funds used during construction, (b) divided by the sum of debt and equity funds used for construction.No authoritative reference available.falsefalseAFUDC capitalization rate for FPL (in hundredths)46false0us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionAdditionsus-gaaptruecreditdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalselabel1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse0< /NumericAmount>0falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4truefalsefalse50000000 50000000falsefalsefalsefalsefalse5truefalsefalse7400000074000000falsefalsefalsefalsefalse6truefalsefalse5300000053000000falsefalsefalsefalsefalse7falsefalsefalse00falsefalsefalsefalsefalse8falsefalsefalse00falsefalsefalsetruefalse9falsefalsefalse00falsefalsefalsetruefalse10falsefalsefalse00falsefalsefalsetruefalse11falsefalsefalse00falsefalsefalsetruefalse12falsefalsefalse00falsefalsefalsetruefalse13falsefalsefalse00falsefalsefalsetruefalse14falsefalsefalse00falsefalsefalsetruefalse15falsefalsefalse00falsefalsefalsetruefalse16falsefalsefalse00falsefalsefalsetruefalse17falsefalsefalse00falsefalsefalsetruefalse18falsefalsefalse00falsefalsefalsetruefalse19falsefalsefalse00falsefalsefalsetruefalse20falsefalsefalse00falsefalsefalsetruefalseMonetaryxbrli:monetaryItemTypemonetaryTotal increase in earnings in the period representing the cost of equity (rate of return) and borrowed funds (interest rate) used to finance construction of regulated assets, which is expected to be recovered through rate adjustments.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 71 -Paragraph 15 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 90 -Paragraph 8 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 92 -Paragraph 8, 9, 12 falsefalseAFUDC capitalized for FPL47false0nee_ProjectDevelopmentCostsneefalsedebitinstantFor NextEra Energy Resources, the amount of project development costs capitalized as of the balance sheet date. These costs...falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00falsefalsefalsefalsefalse2truefalsefalse9900000099000000falsefalsefalsefalsefalse3truefalsefalse9900000099000000falsefalsefalsefalsefalse4truefalsefalse9900000099000000falsefalsefalsefals efalse5truefalsefalse5600000056000000falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalse7falsefalsefalse00falsefalsefalsefalsefalse8falsefalsefalse00falsefalsefalset ruefalse9falsefalsefalse00falsefalsefalsetruefalse10falsefalsefalse00falsefalsefalsetruefalse11falsefalsefalse00falsefalsefalsetruefalse12falsefalsefalse00falsefalsefalsetruefalse13falsefalsefalse00falsefalsefalsetruefalse14falsefalsefalse00falsefalsefalsetruefalse15falsefalsefalse00falsefalsefalsetruefalse16falsefalsefalse00falsefalsefalsetruefalse17falsefalsefalse00falsefalsefalsetruefalse18falsefalsefalse00falsefalsefalsetruefalse19falsefalsefalse00falsefalsefalsetruefalse20falsefalsefalse00falsefalsefalsetrue falseMonetaryxbrli:monetaryItemTypemonetaryFor NextEra Energy Resources, the amount of project development costs capitalized as of the balance sheet date. These costs include land rights and other third-party costs directly associated with the development of a new project. Upon commencement of construction, these costs either are transferred to construction work in progress or remain in other assets, depending upon the nature of the cost. Capitalized development costs are charged to OM expenses when recoverability is no longer probable.No authoritative reference available.falsefalseProject development costs of NextEra Energy Resources48false0us-gaap_InterestCostsCapitalizedus-gaaptruedebitdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalselabel1falsefalsefalse00< IsIndependantCurrency>falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4truefalsefalse7100000071000000falsefalsefalsefalsefalse5truefalsefalse8500000085000000falsefalsefalsefalsefalse6truefalsefalse5500000055000000falsefalsefalsefalsefalse7falsefalsefalse00falsefalsefalsefalsefalse8falsefalsefalse00falsefalsefalsetruefalse9falsefalsefalse00< CurrencySymbol />falsefalsefalsetruefalse10falsefalsefalse00falsefalsefalsetruefalse11falsefalsefalse00falsefalsefalsetruefalse12falsefalsefalse00falsefalsefalsetruefalse13falsefalsefalse00falsefalsefalsetruefalse14falsefalsefalse00falsefalsefalsetruefalse15falsefalsefalse00falsefalsefalsetruefalse16falsefalsefalse00falsefalsefalsetruefalse17falsefalsefalse00falsefalsefalsetruefalse18falsefalsefalse00falsefalsefalsetruefalse19falsefalsefalse00falsefalsefalsetruefalse20falsefalsefalse00falsefalsefalsetruefalseMonetaryxbrli:monetaryItemTypemonetaryThe amount of interest that was capitalized during the period.Reference 1: http:// www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 34 -Paragraph 21 -Subparagraph b falsefalseInterest capitalized on construction projects of NextEra Energy Resources49false0nee_DeemedCapitalStructureneefalsenainstantDeemed capital structure of subsidiary for purposes of allocating interest expense.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsetruefalse00falsefalsefalsefalsefalse2truetruefalse0.700.70falsefalsefalsefalsef alse3truetruefalse0.700.70falsefalsefalsefalsefalse4truetruefalse0.700.70falsefalsefalsefalsefalse5falsetruefalse00falsefalsefalsefalsefalse6falsetruefalse00falsefalsefalsefalsefalse 7falsetruefalse00falsefalsefalsefalsefalse8falsetruefalse00falsefalsefalsetruefalse9falsetruefalse00falsefalsefalsetruefalse10falsetruefalse00falsefalsefalsetruefalse< /Cell>11falsetruefalse00falsefalsefalsetruefalse12falsetruefalse00falsefalsefalsetruefalse< Cell>13falsetruefalse00falsefalsefalsetruefalse14falsetruefalse00falsefalsefalsetruefalse15falsetruefalse00falsefalsefalsetruefalse16falsetruefalse00falsefalsefalsetruefalse17falsetruefalse00falsefalsefalsetruefalse18falsetruefalse00falsefalsefalsetruefalse19falsetruefalse00falsefalsefalsetruefalse20falsetruefalse00falsefalsefalsetruefalseOtherus-types:percentItemTypepureDeemed capital structure of subsidiary for purposes of allocating interest expense.No authoritative reference available.falsefalseDeemed capital structure of NextEra Energy Resources (in hundredths)50true0nee_DecommissioningOfNuclearPlantsDismantlementOfPlantsAndOtherAccruedAssetRemovalCostsAbstractneefalsenadurationNo definition available.falsefalsefalsefalsef alsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4falsefalsefalse00falsefalsefalsefalsefalse5falsefalsefalse00falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalse7falsefalsefalse00falsefalsefalsefalsefalse8falsefalsefalse00falsefalsefalsetruefalse9falsefalsefalse00falsefalsefalsetruefalse10falsefalsefalse00falsefalsefalsetruefalse11falsefalsefalse00falsefalsefalsetruefalse12falsefalsefalse00falsefalsefalsetruefalse13falsefalsefalse00falsefalsefalsetruefalse14falsefalsefalse00falsefalsefalsetruefalse15falsefalsefalse00falsefalsefalsetruefalse16falsefalsefalse00falsefalsefalsetruefalse17falsefalsefalse00falsefalsefalsetruefalse18falsefalsefalse00falsefalsefalsetruefalse19falsefalsefalse00falsefalsefalsetruefalse20falsefalsefalse00falsefalsefalsetruefalseOtherxbrli:stringItemTypestringNo definition available.falsefalseDecommissioning of Nuclear Plants, Dismantlement of Plants and Other Accrued Asset Removal Costs [Abstract]51false0nee_MaximumIntervalBetweenNuclearDecommissioningStudiesneefalsenadurationFor FPL, the maximum interv al (in years) between nuclear decommissioning studies that are submitted to the Florida Public...falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00falsefalsefa lsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4falsefalsefalse005Y5Yfalsefalsefalsefalsefalse5falsefalsefalse00falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalse7falsefalsefalse00falsefalsefalsefalsefalse8falsefalsefalse00falsefalsefalsetruefalse9falsefalsefalse00falsefalsefalsetruefalse10falsefalsefalse00falsefalsefalsetruefalse11falsefalsefalse00falsefalsefalsetruefalse12falsefalsefalse00falsefalsefalsetruefalse13falsefalsefalse00falsefalsefalsetruefalse14falsefalsefalse00falsefalsefalsetruefalse15falsefalsefalse00falsefalsefalsetruefalse16falsefalsefalse00falsefalsefalsetruefalse17falsefalsefalse00falsefalsefa lsetruefalse18falsefalsefalse00falsefalsefalsetruefalse19falsefalsefalse00falsefalsefalsetruefalse20falsefalsefalse00falsefalsefalsetruefalseOtherus-types:durationStringItemTypenormalizedstringFor FPL, the maximum interval (in years) between nuclear decommissioning studies that are submitted to the Florida Public Service Commission (FPSC) for approval.No authoritative reference available.falsefalseMaximum interval between nuclear decommissioning studies submitted to the FPSC for approval (in years)52false0nee_NumberOfNuclearUnitsOfWhollyOwnedSubsidiaryneefalsenadurationFor FPL, the number of nuclear units for which the ultimate costs of decommissioning, including costs associated with spent...falsefalsefalsefalsefalsefalsefalsefalsefalse< /IsEndingBalance>falseverboselabel1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4truefalsefalse44falsefalsefalsefalsefalse5falsefalsefalse00falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalse7falsefalsefalse00falsefalsefalsefalsefalse8falsefalsefalse00falsefalsefalsetruefalse9falsefalsefalse00falsefalsefalsetruefalse10falsefalsefalse00falsefalsefalsetruefalse11falsefalsefalse00falsefalsefalsetruefalse12falsefalsefalse00falsefalsefa lsetruefalse13falsefalsefalse00falsefalsefalsetruefalse14falsefalsefalse00falsefalsefalsetruefalse15falsefalsefalse00falsefalsefalsetruefalse16falsefalsefalse00falsefalsefalsetruefalse17falsefalsefalse00falsefalsefalsetruefalse18falsefalsefalse00falsefalsefalsetruefalse19falsefalsefalse00falsefalsefalsetruefalse20falsefalsefalse00falsefalsefalsetruefalseOtherxbrli:integerItemTypeintegerFor FPL, the number of nuclear units for which the ultimate costs of decommissioning, including costs associated with spent fuel storage above what is expected to be refunded by the U.S. Department of Energy under a spent fuel settlement agreement, are indicated in the nuclear decommissioning study submitted to the FPSC.No authoritative reference available.falsefalseFor FPL, number of nuclear units53false0nee_UltimateCostsOfNuclearDecommissioningForWhollyOwnedSubsidiaryneefalse< BalanceType>creditinstantThis element represents FPL's portion of the approximate ultimate costs of nuclear decommissioning, including costs...falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00falsefalsefalsefalsefalse2truefalsefalse62000000006200000000falsefalsefalsefalsefalse3truefalsefalse62000000006200000000falsefalsefalsefalsefalse4truefalsefalse62000000006200000000falsefalsefalsefalsefalse5falsefalsefalse00falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalse7falsefalsefalse00falsefalsefalsefalsefalse8falsefalsefalse00falsefalsefalsetruefalse9falsefalsefalse00falsefalsefalsetruefalse10falsefalsefalse00falsefalsefalsetruefalse11falsefalsefalse00falsefalsefalsetruefalse12falsefalsefalse00falsefalsefalsetruefalse13falsefalsefalse00< IsIndependantCurrency>falsefalsefalsetruefalse14falsefalsefalse00falsefalsefalsetruefalse15falsefalsefalse00falsefalsefalsetruefalse16falsefalsefalse00falsefalsefalsetruefalse17falsefalsefalse00falsefalsefalsetruefalse18falsefalsefalse00falsefalsefalsetruefalse19falsefalsefalse00falsefalsefalsetruefalse20falsefalsefalse00falsefalsefalsetruefalseMonetaryxbrli:monetaryItemTypemonetaryThis element represents FPL's portion of the approximate ultimate costs of nuclear decommissioning, including costs associated wi th spent fuel storage above what is expected to be refunded by the Department of Energy under a spent fuel settlement agreement.No authoritative reference available.falsefalseFPL's portion of the ultimate costs of nuclear decommissioning54false0nee_UltimateCostsOfNuclearDecommissioningInCurrentYearDollarsForWhollyOwnedSubsidiaryneefalsecreditinstantThis element represents FPL's portion of the approximate ultimate costs of nuclear decommissioning, including costs...falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00falsefalsefalsefalsefalse2truefalsefalse23000000002300000000falsefalsefalsefalsefalse3truefalsefalse23000000002300000000falsefalsefalsefalsefalse4truefalsefalse23000000002300000000falsefalsefalsefalsefalse5falsefalsefalse00falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalse7falsefalsefalse00falsefalsefalsefalsefalse8falsefalsefalse00falsefalsefalsetruefalse9falsefalsefalse00falsefalsefalsetruefalse10falsefalsefalse00falsefalsefalsetruefalse11falsefalsefalse00falsefalsefalsetruefalse12falsefalsefalse00falsefalsefalsetruefalse13falsefalsefalse00falsefalsefalsetruefalse14falsefalsefalse00falsefalsefalsetruefalse15falsefalsefalse00falsefalsefalsetruefalse16falsefalsefalse00falsefalsefalsetruefalse17falsefalsefalse00falsefalsefalsetruefalse18falsefalsefalse00falsefalsefalsetruefalse19falsefalsefalse00falsefalsefalsetruefalse20falsefalsefalse00 falsefalsefalsetruefalseMonetaryxbrli:monetaryItemTypemonetaryThis element represents FPL's portion of the approximate ultimate costs of nuclear decommissioning, including costs associated with spent fuel storage above what is expected to be refunded by the Department of Energy under a spent fuel settlement agreement, expressed in current year dollars.No authoritative reference available.falsefalseFPL's portion of the ultimate costs of nuclear decommissioning, expressed in current year dollars55false0nee_FundEarningsOnDecommissioningFundsOfWhollyOwnedSubsidiaryneefalsecreditdurationFor FPL, earnings on nuclear decommissioning reserve funds, net of taxes, which are reinvested in the funds and recognized as...falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4truefalsefalse7600000076000000falsefalsefalsefalsefalse5truefalsefalse8100000081000000falsefalsefalsefalsefalse6truefalsefalse6300000063000000falsefalsefalsefalsefalse7falsefalsefalse00falsefalsefalsefalsefalse8falsefalsefalse00falsefalsefalsetruefalse9falsefalsefalse00falsefalsefalsetruefalse10falsefalsefalse00falsefalsefalsetruefalse11falsefalsefalse00falsefalsefalsetruefalse12falsefalsefalse00falsefalsefalsetruefalse13falsefalsefalse00falsefalsefalsetruefalse14falsefalsefalse00falsefalsefalsetruefalse15falsefalsefalse00falsefalsefalsetruefalse16falsefalsefalse00falsefalsefalsetruefalse17falsefalsefalse00falsefalsefalsetruefalse18falsefalsefalse00falsefalsefalsetruefalse19f alsefalsefalse00falsefalsefalsetruefalse20falsefalsefalse00falsefalsefalsetruefalseMonetaryxbrli:monetaryItemTypemonetaryFor FPL, earnings on nuclear decommissioning reserve funds, net of taxes, which are reinvested in the funds and recognized as income/loss with an offset recorded to reflect a corresponding increase/decrease in the related regulatory liability accounts (with no effect on net income).No authoritative reference available.falsefalseFPL's fund earnings on decommissioning funds56false0nee_MaximumIntervalBetweenPlantDismantlementStudiesneefalsenadurationFor FPL, the maximum interval (in years) between plant dismantlement st udies that are submitted to the Florida Public Service...falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00falsefalsefalse falsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalse false4falsefalsefalse004Y4Yfalsefalsefalsefalsefalse5falsefalsefalse00falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalse7falsefalsefalse00falsefalsefalsefalsefalse8falsefalsefalse00falsefalsefalsetruefalse9falsefalsefalse00falsefalsefalsetruefalse10falsefalsefalse00falsefalsefalsetruefalse11falsefalsefalse00falsefalsefalsetruefalse12falsefalsefalse00falsefalsefalsetruefalse13falsefalsefalse00falsefalsefalsetruefalse14falsefalsefalse00falsefalsefalsetruefalse15falsefalsefalse00falsefalsefalsetruefalse16falsefalsefalse00falsefalsefalsetruefalse17falsefalsefalse00falsefalsefalse truefalse18falsefalsefalse00falsefalsefalsetruefalse19falsefalsefalse00falsefalsefalsetrue< /hasSegments>false20falsefalsefalse00falsefalsefalsetruefalseOtherus-types:durationStringItemTypenormalizedstringFor FPL, the maximum interval (in years) between plant dismantlement studies that are submitted to the Florida Public Service Commission (FPSC) for approval.No authoritative reference available. falsefalseMaximum interval between plant dismantlement studies submitted to the FPSC for approval (in years)57false0nee_PlantDismantlementApprovedExpensePriorDismantlementStudyneefalsedebitdurationFor FPL, the amount of annual expense related to plant dismantlement approved by the FPSC as part of the dismantlement study...falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalse< /DisplayDateInUSFormat>falsefalse3falsefalsefalse00falsefalsefalsefalsefalse4falsefalsefalse00falsefalsefalsefalsefalse5truefalsefalse1500000015000000falsefalsefalsefalsefalse6truefalsefalse1500000015000000falsefalsefalsefalsefalse7falsefalsefalse00falsefalsefalsefalsefalse8falsefalsefalse00falsefalsefalsetruefalse9falsefalsefalse00falsefalsefalsetruefalse10falsefalsefalse00falsefalsef alsetruefalse11falsefalsefalse00falsefalsefalsetruefalse12falsefalsefalse00falsefalsefalse< /DisplayDateInUSFormat>truefalse13falsefalsefalse00falsefalsefalsetruefalse14falsefalsefalse00falsefalsefalsetruefalse15falsefalsefalse00falsefalsefalsetruefalse16falsefalsefalse00falsefalsefalsetruefalse17falsefalsefalse00falsefalsefalsetruefalse18falsefalsefalse00falsefalsefalsetruefalse19falsefalsefalse00falsefalsefalsetruefalse20falsefalsefalse00falsefalsefalsetruefalseMonetaryxbrli:monetaryItemTypemonetaryFor FPL, the amount of annual expense related to plant dismantlement approved by the FPSC as part of the dismantlement study which became effective January 1, 2007.No authoritative reference available.falsefalsePlant dismantlement expense approved by the FPSC, effective January 1, 200758false0nee_PlantDismantlementApprovedExpenseCurrentDismantlementStudyneefalsedebitdurationFor FPL, the amount of annual expens e related to plant dismantlement approved by the FPSC as part of the dismantlement study...falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4truefalsefalse1800000018000000falsefalsefalsefalsefalse5falsefalsefalse00falsefalsefalse falsefalse6falsefalsefalse00falsefalsefalsefalsefalse7falsefalsefalse00falsefalsefalsefalsefalse8falsefalsefalse00falsefalsefalsetruefalse9falsefalsefalse00falsefalsefalsetruefalse10falsefalsefalse00falsefalsefalsetruefalse11falsefalsefalse00falsefalsefalsetruefalse12falsefalsefalse00falsefalsefalsetruefalse13falsefalsefalse00falsefalsefalsetruefalse14falsefalsefalse00falsefalsefalsetruefalse15falsefalsefalse00falsefalsefalsetruefalse16falsefalsefalse00falsefalsefalsetruefalse17falsefalsefalse00falsefalsefalsetruefalse18falsefalsefalse00falsefalsefalsetruefalse19falsefalsefalse00falsefalsefalsetruefalse20falsefalsefalse00falsefalsefalsetruefalseMonetaryxbrli:monetaryItemTypemonetaryFor FPL, the amount of annual expense related to plant dismantlement approved by the FPSC as part of the dismantlement study which became effective January 1, 2010.No authoritative reference available.f alsefalsePlant dismantlement expense approved by the FPSC, effective January 1, 201059false0nee_UltimateCostsOfPlantDismantlementneefalsecreditinstantThe element represents FPL's portion of the approximate ultimate costs of plant dismantlement.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00falsefalsefalsefalsefalse2truefalsefalse860000000860000000falsefalsefalsefalsefalse3truefalsefalse860000000860000000falsefalsefalsefalsefalse4truefalsefalse860000000860000000falsefalsefalsefals efalse5falsefalsefalse00falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalse7falsefalsefalse00falsefalsefalsefalsefalse8falsefalsefalse00falsefalsefalsetruefalse9falsefalsefalse00falsefalsefalsetruefalse10falsefalsefalse00falsefalsefalsetruefalse11falsefalsefalse00falsefalsefalsetruefalse12falsefalsefalse00falsefalsefalsetruefalse13falsefalsefalse00falsefalsefalsetruefalse14falsefalsefalse00falsefalsefalsetruefalse15falsefalsefalse00falsefalsefalsetruefalse16falsefalsefalse00falsefalsefalsetruefal se17falsefalsefalse00falsefalsefalsetruefalse18falsefalsefalse00falsefalsefalsetruefalse19falsefalsefalse00falsefalsefalsetruefalse20falsefalsefalse00falsefalsefalsetruefalseMonetaryxbrli:monetaryItemTypemonetaryThe element represents FPL's portion of the approximate ultimate costs of plant dismantlement.No authoritative reference available.falsefalseFPL's portion of the ultimate costs of dismantlement60false0nee_UltimateCostsOfPlantDismantlementInCurrentYearDollarsneefalsecreditinstantThis element represents FPL's portion of the approximate ultimate costs of plant dismantlement, expressed in current year...falsef alsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00falsefalsefalsefalsefalse2truefalse< DisplayZeroAsNone>false455000000455000000falsefalsefalsefalsefalse3truefalsefalse455000000455000000falsefalsefalsefalsefalse4true falsefalse455000000455000000falsefalsefalsefalsefalse5falsefalsefalse00falsefalsefalsefalsefalse6false< /IsNumeric>falsefalse00falsefalsefalsefalsefalse7falsefalsefalse00falsefalsefalsefalsefalse8falsefalsefalse00falsefalsefalsetruefalse9falsefalsefalse00falsefalsefalsetruefalse10false falsefalse00falsefalsefalsetruefalse11falsefalsefalse00falsefalsefalsetruefalse12falsefalsefalse00falsefalsefalsetruefalse13falsefalsefalse00falsefalsefalsetruefalse14falsef alsefalse00falsefalsefalsetruefalse15falsefalsefalse00falsefalsefalsetruefalse16falsefalse< /IsRatio>false00falsefalsefalsetruefalse17falsefalsefalse00falsefalsefalsetruefalse18falsefalsefalse00falsefalsefalsetruefalse19falsefalsefalse00falsefalsefalsetruefalse20falsefalse< DisplayZeroAsNone>false00falsefalsefalsetruefalseMonetaryxbrli:monetaryItemTypemonetaryThis element represents FPL's portion of the approximate ultimate costs of plant dismantlement, expressed in current year dollars.No authoritative reference available.falsefalseFPL's portion of the ultimate costs of plant dismantlement, expressed in current year dollars61 false0us-gaap_DecommissioningLiabilityNoncurrentus-gaaptruecreditinstantNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalselabel1falsefalsefalse00falsefalsefalsefalsefalse2truefalsefalse478000000478000000falsefalsefalsefalsefalse3truefalsefalse478000000478000000falsefalsefalsefalsefalse4truefalsefalse478000000478000000falsefalsefalsefalsefalse5truefalsefalse518000000518000000falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalse7falsefalsefalse00falsefalsefalsefalsefalse8falsefalsefalse00falsefalsefalsetruefalse9falsefalsefalse00falsefalsefalsetruefalse10falsefalsefalse00falsefalsefalsetruefalse11falsefalsefalse00falsefalsefalsetruefalse12falsefalsefalse00falsefalsefalsetruefalse13falsefalsefalse00falsefalsefalsetruefalse14falsefalsefalse00falsefalsefalsetruefalse15falsefalsefalse00falsefalsefalsetruefalse16falsefalsefalse00falsefalsefalsetruefalse17falsefalsefalse00falsefalsefalsetruefalse18falsefalsefalse00falsefalsefalsetruefalse19falsefalsefalse00falsefalsefalsetruefalse20falsefalsefalse00falsefalsefalsetruefalseMonetaryxbrli:monetaryItemTypemonetaryAmount of a decommissioning liability associated with a legal obligation that a firm incurs when it constructs or operates an asset that must eventually be withdrawn from active service. This may include operating assets such as nuclear power plants or shipping vessels.No authoritative reference available.falsefalseNextEra Energy Resources' ARO related to nuclear decommissioning62false0nee_UltimateCostsOfNuclearDecommissioningForWhollyOwnedIndirectSubsidiaryneefalsecreditinstantThis element represents NextEra Energy Resources' portion of the approximate ultimate costs of nuclear decommissioning,...falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00falsefalsefalsefalsefalse2truefalsefalse95000000009500000000falsefalsefalsefalsefalse3truefalsefalse95000000009500000000falsefalsefalsefalsefalse4truefalsefalse95000000009500000000falsefalsefalsefalsefalse5falsefalsefalse00falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalse7falsefalsefalse00falsefalsefalsefalsefalse8fal sefalsefalse00falsefalsefalsetruefalse9falsefalsefalse00falsefalsefalsetruefalse10falsefalsefalse00falsefalsefalsetruefalse11falsefalsefalse00falsefalsefalsetruefalse12falsefalsefalse00falsefalsefalsetruefalse13falsefalsefalse00falsefalsefalsetruefalse14falsefalsefalse00falsefalsefalsetruefalse15falsefalsefalse00falsefalsefalsetruefalse16falsefalsefalse00falsefalsefalsetruefalse17falsefalsefalse00falsefalsefalsetruefalse18falsefal sefalse00falsefalsefalsetruefalse19falsefalsefalse00falsefalsefalsetruefalse20falsefalsefalse00falsefalsefalsetruefalseMonetaryxbrli:monetaryItemTypemonetaryThis element represents NextEra Energy Resources' portion of the approximate ultimate costs of nuclear decommissioning, including costs associated with spent fuel storage above what is expected to be refunded by the Department of Energy under a spent fuel settlement agreement.No authoritative reference available.falsefalseNextEra Energy Resources' portion of the ultimate costs of nuclear decommissioning63false0nee_UltimateCostsOfNuclearDecommissioningInCurrentYearDollarsForWhollyOwnedIndirectSubsidiaryneefalsecreditinstantThis element represents NextEra Energy Resources' portion of the approximate ultimate costs of nuclear decommissioning,...falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00falsefalsefalsefalsefalse2truefalsefalse18000000001800000000falsefalsefalsefalsefalse3truefalsefalse18000000001800000000falsefalsefalsefalsefalse4truefalsefalse18000000001800000000falsefalsefalsefalsefalse5falsefalsefalse00falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalse7falsefalsefalse00falsefalsefalsefalsefalse8falsefalsefalse00falsefalsefalsetruefalse9falsefalsefalse00falsefalsefalsetruefalse10falsefalsefalse00falsefalsefalsetruefalse11falsefalsefalse00falsefalsefalsetruefalse12falsefalsefalse00falsefalsefalsetruefalse13falsefalsefalse00falsefalsefalsetruefalse14falsefalsefalse00falsefalsefalsetruefalse15falsefalsefalse00falsefalsefalsetruefalse16falsefalsefalse00falsefalsefalsetruefalse17falsefalsefalse00falsefalsefalsetruefalse18falsefalsefalse00falsefalsefalsetruefalse19falsefalsefalse00falsefalsefalsetruefalse20falsefalsefalse00falsefalsefalsetruefalseMonetaryxbrli:monetaryItemTypemonetaryThis element represents NextEra Energy Resources' portion of the approximate ultimate costs of nuclear decommissioning, including costs associated with spent fuel storage above what is expected to be refunded by the Department of Energy under a spent fuel settlement agreement, expressed in current year dollars.No authoritative reference available.falsefalseNextEra Energy Resources' portion of the ultimate costs of nuclear decommissioning, expressed in current year dollars64false0nee_EffectivePeriodForDecommissioningFundingPla nForSubsidiaryneefalsenadurationFor NextEra Energy Resources, the effective period for Seabrook Station's decommissioning funding plan filed with the New...falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00< NonNumericTextHeader />falsefalsefalsefalsefalse4falsefalsefalse004Y4Yfalsefalsefalsefalsefalse5falsefalsefalse00falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalse7falsefalsefalse00falsefalsefalsefalsefalse8falsefalsefalse00falsefalsefalsetruefalse9falsefalsefalse00falsefalsefalsetruefalse10falsefalsefalse00falsefalsefalsetruefalse11falsefalsefalse00 falsefalsefalsetruefalse12falsefalsefalse00falsefalsefalsetruefalse13falsefalsefalse00falsefalsefalsetruefalse14falsefalsefalse00falsefalsefalsetruefalse15falsefalsefalse00falsefalsefalsetruefalse16falsefalsefalse00falsefalsefalsetruefalse17falsefalsefalse00falsefalsefalsetruefalse18falsefalsefalse00falsefalsefalsetruefalse19falsefalsefalse00< NonNumericTextHeader />falsefalsefalsetruefalse20falsefalsefalse00falsefalsefalsetruefalseOtherus-types:durationStringItemTypenormalizedstringFor NextEra Energy Reso urces, the effective period for Seabrook Station's decommissioning funding plan filed with the New Hampshire Nuclear Decommissioning Financing Committee (NDFC) in 2007.No authoritative reference available.falsefalseEffective period for Seabrook's decommissioning funding plan (in years)65true0nee_MajorMaintenanceCostsAbstractneefalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4falsefalsefalse00falsefalsefalsefalsefalse5falsefalsefalse00falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalse7falsefalsefalse00falsefalsefalsefalsefalse8falsefalsefalse00fa lsefalsefalsetruefalse9falsefalsefalse00falsefalsefalsetruefalse10falsefalsefalse00falsefalsefalsetruefalse11falsefalsefalse00falsefalsefalsetruefalse12falsefalsefalse00falsefalsefalsetruefalse13falsefalsefalse00falsefalsefalsetruefalse14falsefalsefalse00falsefalsefalsetruefalse15falsefalsefalse00falsefalsefalsetruefalse16falsefalsefalse00falsefalsefalsetruefalse17falsefalsefalse00falsefalsefalsetruefalse18falsefalsefalse00falsefalsefalsetruefalse19falsefalsefalse00falsefalsefalsetruefalse20falsefalsefalse00falsefalsefalsetruefalseOtherxbrli:stringItemTypestringNo definition available.falsefalseMajor Maintenance Costs [Abstract]66false0nee_AccruedLiabilityForNuclearMaintenanceCostsneefalsecreditinstantFor FPL, this element represents the accrued liability for nuclear maintenance costs, which are included in regulatory...falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00falsefalsefalsefalsefalse2truefalsefalse5800000058000000falsefalsefalsefalsefalse3truefalsefalse5800000058000000falsefalsefalsefalsefalse4truefalsefalse5800000058000000falsefalsefalsefalsefalse5truefalsefalse4700000047000000falsefalsefalsefalsefalse6falsefalse< /IsRatio>false00falsefalsefalsefalsefalse7falsefalsefalse00falsefalsefalsefalsefalse8falsefalsefalse00falsefalsefalsetruefalse9falsefalsefalse00falsefalsefalsetruefalse10falsefalsefalse00falsefalsefalsetruefalse11falsefalsefalse00falsefalsefalsetruefalse12falsefalsefalse00falsefalsefalsetruefalse13falsefalsefalse00falsefalsefalsetruefalse14falsefalsefalse00falsefalsefalsetruefalse15falsefalsefalse00falsefalsefalsetruefalse16falsefalsefalse00falsefalsefalsetruefalse17falsefalsefalse00falsefalsefalsetruefalse18falsefalsefal se00falsefalsefalsetruefalse19falsefalsefalse00falsefalsefalsetruefalse20falsefalsefalse00falsefalsefalsetruefalseMonetaryxbrli:monetaryItemTypemonetaryFor FPL, this element represents the accrued liability for nuclear maintenance costs, which are included in regulatory liabilities - other in the consolidated balance sheets.No authoritative reference available.falsefalseAccrued liability for nuclear maintenance costs67f alse0nee_NuclearMaintenanceCostsneefalsedebitdurationFor FPL, this element represents the amount of nuclear maintenance costs recognized during the period, which are included in...falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4truefalsefalse100000000100000000falsefalsefalsefalsefalse5truefalsefalse8400000084000000falsefalsefalsefalsefalse6truefalsefalse7500000075000000falsefalsefalsefalsefalse7falsefalsefalse00falsefalsefalsefalsefalse8falsefalsefalse00falsefalsefalsetruefalse9falsefalsefalse00falsefalsefalsetruefalse10falsefalsefalse00falsefalsefalsetruefalse11falsefalsefalse00falsefalsefalsetruefalse12falsefalsefalse00falsefalsefalsetruefalse13falsefalsefalse00falsefalsefalsetruefalse14falsefalsefalse00falsefalsefalsetruefalse15falsefalsefalse00falsefalsefalsetruefalse16falsefalsefalse00falsefalsefalsetruefalse17falsefalsefalse00falsefalsefalsetruefalse18falsefalsefalse00falsefalsefalsetruefalse19falsefalsefalse00falsefalsefalsetruefalse20falsefalsefalse00falsefalsefalsetruefalseMonetaryxbrli:monetaryItemTypemoneta ryFor FPL, this element represents the amount of nuclear maintenance costs recognized during the period, which are included in OM (operations and maintenance) expenses in the consolidated statements of income.No authoritative reference available.falsefalseNuclear maintenance costs68false0nee_CapitalizedMajorMaintenanceCostsneefalsedebitinstantFor NextEra Energy Resources, this element represents the capitalized major maintenance costs, net of accumulated...falsefalsefalsefalse falsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00falsefalsefalsefalsefalse2truefalsefalse9500000095000000falsefalsefalsefalsefalse3truefalsefalse9500000095000000falsefalsefalsefalsefalse4truefalsefalse9500000095000000falsefalsefalsefalsefalse5truefalsefalse106000000106000000falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalse7falsefalsefalse00falsefalsefalsefalsefalse8falsefalsefalse0 0falsefalsefalsetruefalse9falsefalsefalse00falsefalsefalsetruefalse10falsefalsefalse00falsefalsefalsetruefalse11falsefalsefalse00falsefalsefalsetruefalse12falsefalsefalse00falsefalsefalsetruefalse13falsefalsefalse00falsefalsefalsetruefalse14falsefalsefalse0 0falsefalsefalsetruefalse15falsefalsefalse00falsefalsefalsetruefalse16falsefalsefalse00falsefalsefalsetruefalse17falsefalsefalse00falsefalsefalsetruefalse18falsefalsefalse00falsefalsefalsetruefalse19falsefalsefalse00falsefalsefalsetruefalse20falsefalsefalse00falsefalsefalsetruefalseMonetaryxbrli:monetaryItemTypemonetaryFor NextEra Energy Resources, this element represents the capitalized major maintenance costs, net of accumulated amortization, which are included in other assets in the consolidated balance sheets. These major maintenance costs are for nuclear generating units and combustion turbines.No authoritative reference available.falsefalseCapitalized major maintenance costs, net of accumula ted amortization69false0nee_MajorMaintenanceCostsneefalsedebitdurationFor NextEra Energy Resources, this element represents the amount of major maintenance costs, which are included in OM...falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4truefalsefalse8800000088000000falsefalsefalsefalsefalse5truefalse false7300000073000000falsefalsefalsefalsefalse6truefalsefalse5700000057000000falsefalsefalsefalsefalse7falsefalsefalse00falsefalsefalsefalsefalse8falsefalsefalse00falsefalsefalsetruefalse9falsefalsefalse00falsefalsefalsetruefalse10falsefalsefalse00falsefalsefalsetruefalse11falsefals efalse00falsefalsefalsetruefalse12falsefalsefalse00falsefalsefalsetruefalse13falsefalsefalse00falsefalsefalsetruefalse14falsefalsefalse00falsefalsefalsetruefalse15falsefalsefalse00falsefalsefalsetruefalse16falsefalsefalse00falsefalsefalsetruefalse17falsefalsefalse00falsefalsefalsetruefalse18falsefalsefalse00falsefalsefalsetruefalse19falsefalsefalse00falsefalsefalsetruefalse20falsefalsefalse00falsefalsefalsetruefalseMonetaryxbrl i:monetaryItemTypemonetaryFor NextEra Energy Resources, this element represents the amount of major maintenance costs, which are included in OM (operations and maintenance) expenses in the consolidated statements of income. These major maintenance costs are primarily for nuclear generating units and combustion turbines.No authoritative reference available.falsefalseMajor maintenance costs70true0us-gaap_RestrictedCashAndInvestmentsCurrentAbstractus-gaaptruenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalselabel1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4falsefalsefalse 00falsefalsefalsefalsefalse5falsefalsefalse00falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalse7falsefalsefalse00falsefalsefalsefalsefalse8falsefalsefalse00falsefalsefalsetruefalse9falsefalsefalse00falsefalsefalsetruefalse10falsefalsefalse0 0falsefalsefalsetruefalse11falsefalsefalse00falsefalsefalsetruefalse12falsefalsefalse00falsefalsefalsetruefalse13falsefalsefalse00falsefalsefalsetruefalse14falsefalsefalse00falsefalsefalsetruefalse15falsefalsefalse00falsefalsefalsetruefalse16falsefalsefalse00falsefalsefalsetruefalse17falsefalsefalse00falsefalsefalsetruefalse18falsefalsefalse00falsefalsefalsetruefalse19falsefalsefalse00falsefalsefalsetruefalse20falsefalsefalse00falsefalsefalsetruefalseOtherxbrli:stringItemTypestringNo definition available.falsefalseRestricted Cash [Abstract]71false0us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValueus-gaaptruedebitinstantNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalselabel1falsefalsefalse00falsefalsefalsefalsefalse2truefalsefalse111000000111000000falsefalsefalsefalsefalse3truefalsefalse111000000111000000falsefalsefalsefalsefalse4truefalsefalse111000000111000000falsefalsefalsefalsefalse5truefalsefalse134000000134000000falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalse7falsefalsefalse00falsefalsefalsefalsefalse8falsefalsefalse00falsefalsefalsetruefalse9falsefalsefalse00falsefalsefalsetruefa lse10falsefalsefalse00falsefalsefalsetruefalse11falsefalsefalse00falsefalsefalsetruefalse12falsefalsefalse00falsefalsefalsetruefalse13falsefalsefalse00falsefalsefalsetruefalse14falsefalsefalse00falsefalsefalsetruefalse15falsefalsefalse00falsefalsefalsetruefalse16falsefalsefalse00falsefalsefalsetruefalse17falsefalsefalse00falsefalsefalsetruefalse18falsefalsefalse00falsefalsefalsetruefalse19falsefalsefalse00falsefalsefalsetruefalse 20falsefalsefalse00falsefalsefalsetruefalseMonetaryxbrli:monetaryItemTypemonetaryThe carrying amounts of cash and cash equivalent items which are restricted as to withdrawal or usage. Restrictions may include legally restricted deposits held as compensating balances against short-term borrowing arrangements, contracts entered into with others, or entity statements of intention with regard to particular deposits; however, time deposits and short-term certificates of deposit are not generally included in legally restricted deposits. Excludes compensating balance arrangements that are not agreements which legally restrict the use of cash amounts shown on the balance sheet. For a classified balance sheet represents the current portion only (the noncurrent portion has a separate concept); there is a separate and distinct element for unclassified presentations.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 1 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Audit and Accounting Guide (AAG) -Number AAG-BRD -Chapter 4 -Paragraph 80 -Subparagraph Exhibit 4-8, 3 -IssueDate 2006-05-01 falsefalseRestricted cash72true0nee_AllowanceForDoubtfulAccountsAbstractneefalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4falsefalsefalse00falsefalsefalsefalsefalse5falsefalsefalse00falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalse7falsefalsefal se00falsefalsefalsefalsefalse8falsefalsefalse00falsefalsefalsetruefalse9falsefalsefalse00falsefalsefalsetruefalse10falsefalsefalse00falsefalsefalsetruefalse11falsefalsefalse00falsefalsefalsetruefalse12falsefalsefalse00falsefalsefalsetruefalse13falsefalsefalse00falsefalsefalsetruefalse14falsefalsefalse00falsefalsefalsetruefalse15falsefalsefalse00falsefalsefalsetruefalse16falsefalsefalse00falsefalsefalsetruefalse17falsefalsefalse00falsefalsefalsetruefalse18falsefalsefalse00falsefalsefalsetruefalse19falsefalsefalse00falsefalsefalsetruefalse20falsefalsefalse00falsefalsefalsetruefalseOtherxbrli:stringItemTypestringNo definition available.falsefalseAllowance for Doubtful Accounts [Abstract]73false0nee_NumberOfPreviousMonthsOfHistoricalRevenueAndWriteOffTrendsneefalsenadurationFor FPL, this element represents the number of previous months of historical revenue and write-off trends used to derive a...falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4falsefalsefalse005M5Mfalsefalsefalsefalsefalse5falsefalsefalse00falsefalsefalsefalsefalse6falsefalsefalse00false falsefalsefalsefalse7falsefalsefalse00falsefalsefalsefalsefalse8falsefalsefalse00falsefalsefalsetruefalse9falsefalsefalse00falsefalsefalsetruefalse10falsefalsefalse00falsefalsefalsetruefalse11falsefalsefalse00falsefalsefalsetruefalse12falsefalsefalse00falsefalsefalsetruefalse13falsefalsefalse00falsefalsefalsetruefalse14falsefalsefalse00falsef alsefalsetruefalse15falsefalsefalse00falsefalsefalsetruefalse16falsefalsefalse00falsefalse< /ShowCurrencySymbol>falsetruefalse17falsefalsefalse00falsefalsefalsetruefalse18falsefalsefalse00falsefalsefalsetruefalse19falsefalsefalse00falsefalsefalsetruefalse20falsefalsefalse00falsefalsefalsetruefalseOtherus-types:durationStringItemTypenormalizedstringFor FPL, this element represents the number of previous months of historical revenue and write-off trends used to derive a percentage on which the accumulated provision for uncollectible custom accounts receivable is based.No authoritative reference available.falsefalseNumber of previous months of historical revenue and write-off trends used to estimate uncollectible customer accounts receivable74true0nee_SecuritizedStormRecoveryCostsStormFundAndStormReserveAbstract< ElementPrefix>neefalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00false< ShowCurrencySymbol>falsefalsefalsefalse4falsefalsefalse00falsefalsefalsefalsefalse5falsefalsefalse00falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalse7falsefalsefalse00falsefalsefalsefalsefalse8falsefalsefalse00falsefalsefalsetruefalse9falsefalsefalse00falsefalsefalsetruefalse10falsefalsefalse00falsefalsefalsetruefalse11falsefalsefalse00falsefa lsefalsetruefalse12falsefalsefalse00falsefalsefalsetruefalse13falsefalsefalse00falsefalsefalsetruefalse14falsefalsefalse00falsefalsefalsetruefalse15falsefalsefalse00falsefalsefalsetruefalse16falsefalsefalse00falsefalsefalsetruefalse17falsefalsefalse00falsefalsefalsetruefalse18falsefalsefalse00falsefalsefalsetruefalse19falsefalsefalse00falsefalsefalsetruefalse20falsefalsefalse00falsefalsefalsetruefalseOtherxbrli:stringItemTypestringNo definition available.falsefalseSecuritized Storm-Recovery Costs, Storm Fund and Storm Reserve [Abstract]75false0nee_StormFundIncludedInSpecialUseFundsneefalsenainstantFor FPL, the amount of storm funded included in special use funds on Consolidated Balance Sheets.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00falsefalsefalsefalsefalse2truefalsefalse125000000125000000falsefalsefalsefalsefalse3truefalsefalse 125000000125000000falsefalsefalsefalsefalse4truefalsefalse125000000125000000falsefalsefalsefalsefalse5truefalsefalse123000000123000000falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalse7falsefalsefals e00falsefalsefalsefalsefalse8falsefalsefalse00falsefalsefalsetruefalse9falsefalsefalse00falsefalsefalsetruefalse10falsefalsefalse00falsefalsefalsetruefalse11falsefalsefalse00falsefalsefalsetruefalse12falsefalsefalse00falsefalsefalsetruefalse13falsefalsefalse00falsefalsefalsetruefalse14falsefalsefalse00falsefalsefalsetruefalse15falsefalsefalse 00falsefalsefalsetruefalse16falsefalsefalse00falsefalsefalsetruefalse17falsefalsefalse00falsefalsefalsetruefalse18falsefalsefalse00falsefalsefalsetruefalse19falsefalsefalse00falsefalsefalsetruefalse20falsefalsefalse00falsefalsefalsetruefalseMonetaryxbrli:monetaryItemTypemonetaryFor FPL, the amount of storm funded included in special use funds on Consolidated Balance Sheets.No authoritative reference available.falsefalseStorm fund included in special use funds76false0nee_StormReserveIncludedInRegulatoryLiabilitiesneefalsenainstantFor FPL, the amount of the storm reserve included in regulatory liabilities on the Consolidated Balance Sheets.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00falsefalsefalsefalsefalse2truefalsefalse4300000043000000 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authoritative reference available.falsefalseStorm reserve included in regulatory liabilities77false0nee_CapacityToAbsorbStormRestorationCostsneefalsenainstantFor FPL, the amount of storm restoration costs that can be absorbed without seeking recovery through a rate adjustment from...falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00falsefalsefalsefalsefalse2truefalsefalse205000000205000000falsefalsefalsefalsefalse3truefalsefalse205000000205000000falsefalsefalsefalsefalse4truefalsefalse205000000205000000falsefalsefalsefalsefalse5falsefalsefalse00falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalse7falsefalsefalse00fa lsefalsefalsefalsefalse8falsefalsefalse00falsefalsefalsetruefalse9falsefalsefalse00falsefalsefalsetruefalse10falsefalsefalse00falsefalsefalsetruefalse11falsefalsefalse00falsefalsefalsetruefalse12falsefalsefalse00falsefalsefalsetruefalse13falsefalsefalse00falsefalsefalsetruefalse14falsefalsefalse00falsefalsefalsetruefalse15falsefalsefalse00falsefalsefalsetruefalse16falsefalsefalse00falsefalsefalsetruefalse17falsefalsefalse00falsefalsefalsetruefalse18falsefalsefalse00falsefalsefalsetruefalse19falsefalsefalse00falsefalsefalsetruefalse20falsefalsefalse00falsefalsefalsetruefalseMonetaryxbrli:monetaryItemTypemonetaryFor FPL, the amount of storm restoration costs that can be absorbed without seeking recovery through a rate adjustment from the FPSC or filing a petition with the FPSC.< /ElementDefenition>No authoritative reference available.falsefalseCapacity to absorb storm restoration costs78true0us-gaap_GoodwillLineItemsus-gaaptruenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalselabel1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4falsefalsefalse00falsefalsefalsefalsefalse5falsefalsefalse00falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalse< Id>7falsefalsefalse00falsefalsefalsefalsefalse8falsefalsefalse00falsefalsefalsetruefalse9falsefalsefalse00falsefalsefalsetruefalse10falsefalsefalse00falsefalsefalsetruefalse11falsefalsefalse00falsefalsefalsetruefalse12falsefalsefalse00falsefalsefalsetruefalse13falsefalsefalse00falsefalsefalsetruefalse14falsefalsefalse00falsefalsefalsetruefalse15f alsefalsefalse00falsefalsefalsetruefalse16falsefalsefalse00falsefalsefalsetruefalse17false< /IsNumeric>falsefalse00falsefalsefalsetruefalse18falsefalsefalse00falsefalsefalsetruefalse19falsefalsefalse00falsefalsefalsetruefalse20falsefalsefalse00falsefalsefalsetruefalseOtherxbrli:stringItemTypestringLine items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.falsefalseGoodwill [Line Items]79false0us-gaap_Goodwillus-gaaptruedebitinstantNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalselabel1falsefalsefalse00falsefalsefalsefalsefalse2truefalsefalse117000000117000000falsefalsefalsefalsefalse3truefalsefalse117000000117000000falsefalsefalsefalsefalse4truefalsefalse117000000117000000falsefalsefalsefalsefalse5truefalsefalse113000000113000000falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalse7falsefalsefalse00falsefalsefalsefalsefalse8truefalsefalse7200000072000000falsefalsefalsetruefalse9truefalsefalse7200000072000000falsefalsefalsetruefalse10truefalsefalse4500000045000000< NonNumericTextHeader />falsefalsefalsetruefalse11truefalsefalse4100000041000000falsefalsefalsetruefalse12falsefalsefalse00falsefalsefalsetruefalse13falsefalsefalse00falsefalsefalsetruefalse14falsefalsefalse00falsefalsefalsetruefalse15falsefalsefalse00falsefalsefalsetruefalse16falsefalsefalse00falsefalsefalsetruefalse17falsefalsefalse00falsefalsefalsetruefalse18falsefalsefalse00falsefalsefalsetruefalse19falsefalsefalse00falsefalsefalsetruefalse20falsefalsefalse00falsefalsefalsetruefalseMonetaryxbrli:monetaryItemTypemonetaryCarrying amount as of the balance sheet date, which is the cumulative amount paid, adjusted for any amortization recognized prior to adoption of FAS 142 and for any impairment charges, in excess of the fair value of net assets acquired in one or more business combination transactions.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 43 falsefalseTotal goodwill80true0us-gaap_FiniteLivedIntangibleAssetsLineItemsus-gaaptruenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalselabel1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4falsefalsefalse00falsefalsefalsefalsefalse5falsefalsefalse00falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalse7falsefalsefals e00falsefalsefalsefalsefalse8falsefalsefalse00falsefalsefalsetruefalse9falsefalsefalse00falsefalsefalsetruefalse10falsefalsefalse00falsefalsefalsetruefalse11falsefalsefalse00falsefalsefalsetruefalse12falsefalsefalse00falsefalsefalsetruefalse13falsefalsefalse00falsefalsefalsetruefalse14falsefalsefalse00falsefalsefalsetruefalse15falsefalsefalse 00falsefalsefalsetruefalse16falsefalsefalse00falsefalsefalsetruefalse17falsefalsefalse00falsefalsefalsetruefalse18falsefalsefalse00falsefalsefalsetruefalse19falsefalsefalse00falsefalsefalsetruefalse20falsefalsefalse00falsefalsefalsetruefalseOtherxbrli:stringItemTypestringLine items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.falsefalseOther intangible assets [Line Items]81false0us-gaap_FiniteLivedIntangibleAssetsAverageUsefulLifeus-gaaptruenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalselabel1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4falsefalsefalse00falsefalsefalsefalsefalse5falsefalsefalse00falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalse7falsefalsefalse00falsefalsefalsefalsefalse8falsefalsefalse00false falsefalsetruefalse9falsefalsefalse00falsefalsefalsetruefalse10falsefalsefalse00falsefalsefalsetruefalse11falsefalsefalse00falsefalsefalsetruefalse12truefalsefalse1919falsefalsefalsetruefalse13falsefalsefalse00falsefalsefalsetruefalse14truefalsefalse77falsefalsefalsetruefalse15falsefalsefalse00falsefalsefalsetruefalse16truefalsefalse2727false falsefalsetruefalse17falsefalsefalse00falsefalsefalsetruefalse18falsefalsefalse00falsefalse falsetruefalse19falsefalsefalse00falsefalsefalsetruefalse20falsefalsefalse00falsefalsefalsetruefalseOtherxbrli:decimalItemTypedecimalThe average useful life of a major finite-lived intangible asset class. A major class is composed of intangible assets that can be grouped together because they are similar either by their nature or by their use in the operations of a company.No authoritative reference available.falsefalseWeighted average useful lives (years)82false0us-gaap_FiniteLivedIntangibleAssetsGrossus-gaaptruedebitinstantNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00falsefalsefalse< hasSegments>falsefalse2truefalsefalse370000000370000000falsefalsefalsefalsefalse3truefalsefalse370000000370000000falsefalsefalse falsefalse4truefalsefalse370000000370000000falsefalsefalsefalsefalse5truefalsefalse331000000331000000falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalse7falsefalsefalse00falsefalsefalsefalsefalse8falsefalsefalse00falsefalsefalsetruefalse9falsefalsefalse00falsefalsefalsetruefalse10falsefalsefalse00falsefalsefalsetruefalse11falsefalsefalse00falsefalsefalsetruefalse12truefalsefalse8700000087000000falsefalsefalsetruefalse13truefalsefalse8700000087000000falsefalsefalsetruefalse14truefalsefalse3400000034000000falsefalsefalsetruefalse15truefalsefalse2800000028000000falsefal sefalsetruefalse16truefalsefalse249000000249000000falsefalsefalsetruefalse17truefalsefalse216000000216000000falsefalsefalsetruefalse18falsefalsefalse00falsefalsefalsetruefalse19falsefalsefalse00falsefalsefalsetruefalse20falsefalsefalse00falsefalsefalsetruefalseMonetaryxbrli:monetaryItemTypemonetarySum of the gross carrying amounts before accumulated amortization as of the balance sheet date of all intangible assets having statutory or estimated useful lives. The aggregate gross carrying amount (including any previously recognized impairment charges) of a major finite-lived intangible asset class. A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 45 -Subparagraph a(1) falsefalseTotal83false0us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortizationus-gaaptruecreditinstantNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsetruenegated1falsefalsefalse00falsefalsefalsefalsefalse2truefalsefalse-93000000-93000000falsefalsefalsefalsefalse3truefals efalse-93000000-93000000falsefalsefalsefalsefalse4truefalsefalse-93000000-93000000falsefalsefalsefalsefalse5true falsefalse-78000000-78000000falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalse7falsefalsefalse00falsefalsefalsefalsefalse8falsefalsefalse00falsefalsefalsetruefalse9 falsefalsefalse00falsefalsefalsetruefalse10falsefalsefalse00falsefalsefalsetruefalse11false falsefalse00falsefalsefalsetruefalse12falsefalsefalse00falsefalsefalsetruefalse13falsefalsefalse00falsefalsefalsetruefalse14falsefalsefalse00falsefalsefalsetruefalse15falsefalsefalse00falsefalsefalsetruefalse16falsefalsefalse00falsefalsefalsetruefalse17falsefalsefalse00falsefalsefalsetruefalse18falsefalsefalse00falsefalsefalsetruefalse19falsefalsefalse00falsefalsefalsetruefalse20falsefalsefalse00falsefalsefalsetruefalseMonetaryxbrli:monetaryItemTypemonetaryThe accumulated amount of amortization of a major finite-lived intangible asset class. A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 45 -Subparagraph a(1) falsefalseLess accumulated amortization84false0us-gaap_FiniteLivedIntangibleAssetsNetus-gaaptruedebitinstantNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalsetotallabel1falsefalse< /IsRatio>false00falsefalsefalsefalsefalse2truefalsefalse277000000277000000falsefalsefalsefalsefalse3truefalsefalse277000000277000000falsefalsefalsefalsefalse4truefalsefalse277000000277000000falsefalsefalsefalsefalse5truefalsefalse253000000253000000falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalse7falsefalsefalse00falsefalsefalsefalsefalse8falsefalsefalse00falsefalsefalsetruefalse9falsefalsefalse00falsefalsefalsetruefalse10falsefalsefalse00falsefalsefalsetruefalse11falsefalsefalse00falsefalsefalsetruefalse12falsefalsefalse00falsefalsefalsetruefalse13fal sefalsefalse00falsefalsefalsetruefalse14falsefalsefalse00falsefalsefalsetruefalse15falsefalsefalse00falsefalsefalsetruefalse16falsefalsefalse00falsefalsefalsetruefalse17falsefalsefalse00falsefalsefalsetruefalse18falsefalsefalse00falsefalsefalsetruefalse19false< IsRatio>falsefalse00falsefalsefalsetruefalse20falsefalsefalse00falsefalsefalsetruefalseMone taryxbrli:monetaryItemTypemonetaryThe aggregate sum of gross carrying value of a major finite-lived intangible asset class, less accumulated amortization and any impairment charges. A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 45 -Subparagraph a(1) truefalseTotal other intangible assets - net85true0nee_IntangibleAssetsAmortizationAbstractneefalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefal sefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4falsefalsefalse00falsefalsefalsefalsefalse5falsefalsefalse00falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalse7falsefalsefalse00falsefalsefalsefalsefalse8falsefalsefalse00falsefalsefalsetruefalse9falsefalsefalse00falsefalsefalsetruefalse10falsefalsefalse00falsefalsefalsetruefalse11falsefalsefalse00falsefalsefalsetruefalse12falsefalsefalse00falsefalsefalsetruefalse13falsefalse false00falsefalsefalsetruefalse14falsefalsefalse00falsefalsefalsetruefalse15falsefalsefalse 00falsefalsefalsetruefalse16falsefalsefalse00falsefalsefalsetruefalse17falsefalsefalse00falsefalsefalsetruefalse18falsefalsefalse00falsefalsefalsetruefalse19falsefalsefalse00falsefalsefalsetruefalse20falsefalsefalse00falsefalsefalsetruefalseOtherxbrli:stringItemTypestringNo definition available.falsefalseIntangible assets, amortization [Abstract]86false0us-gaap_AmortizationOfIntangibleAssetsus-gaaptruedebitdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalselabel1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4truefalsefalse1800000018000000falsefalsefalsefalse false5truefalsefalse1400000014000000falsefalsefalsefalsefalse6truefalsefalse1300000013000000falsefalsefalsefalsefalse7falsefalsefalse00falsefalsefalsefalsefalse8falsefalsefalse00falsefalsefalsetru efalse9falsefalsefalse00falsefalsefalsetruefalse10falsefalsefalse00falsefalsefalsetruefalse11falsefalsefalse00falsefalsefalsetruefalse12falsefalsefalse00falsefalsefalsetruefalse13falsefalsefalse00falsefalsefalsetruefalse14falsefalsefalse00falsefalsefalsetrue< hasScenarios>false15falsefalsefalse00falsefalsefalsetruefalse16falsefalsefalse00falsefalsefalsetruefalse17falsefalsefalse00falsefalsefalsetruefalse18falsefalsefalse00falsefalsefalsetruefalse19falsefalsefalse00falsefalsefalsetruefalse20falsefalsefalse00falsefalsefalsetruefa lseMonetaryxbrli:monetaryItemTypemonetaryThe aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by (used in) operations using the indirect method.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 45 -Subparagraph a(2) falsefalseNextEra Energy Resources' amortization expense87false0us-gaap_FutureAmortizationExpenseYearOneus-gaaptruedebitdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalselabel1false falsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4truefalsefalse1400000014000000falsefalsefalsefalsefalse5falsefalsefalse00falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalse7falsefalsefalse00falsefalsefalsefalsefalse8falsefalsefalse00falsefalsefalsetruefalse9falsefalsefalse00falsefalsefalsetruefalse10falsefalsefalse00falsefalsefalsetruefalse11falsefals efalse00falsefalsefalsetruefalse12falsefalsefalse00falsefalsefalsetruefalse13falsefalsefalse00falsefalsefalsetruefalse14falsefalsefalse00falsefalsefalsetruefalse15falsefalsefalse00falsefalsefalsetruefalse16falsefalsefalse00falsefalsefalsetruefalse17falsefalsefalse00falsefalsefalsetruefalse18falsefalsefalse00falsefalsefalsetruefalse19falsefalsefalse00falsefalsefalsetruefalse20falsefalsefalse00falsefalsefalsetruefalseMonetaryxbrl i:monetaryItemTypemonetaryThe amount of amortization expense expected to be recognized during the twelve-month period following the balance sheet date.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 45 -Subparagraph a(3) falsefalseNextEra Energy Resources' future amortization expense - 201188false0us-gaap_FutureAmortizationExpenseYearTwous-gaaptruedebitdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalselabel1fal sefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4truefalsefalse1300000013000000falsefalsefalsefalsefalse5 falsefalsefalse00falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalse7false falsefalse00falsefalsefalsefalsefalse8falsefalsefalse00falsefalsefalsetruefalse9falsefalsefalse00falsefalsefalsetruefalse10falsefalsefalse00falsefalsefalsetruefalse11falsefalsefalse00falsefalsefalsetruefalse12falsefalsefalse00falsefalsefalsetruefalse13falsefalsefalse00falsefalsefalsetruefalse14falsefalsefalse00falsefalsefalsetruefalse15false falsefalse00falsefalsefalsetruefalse16falsefalsefalse00falsefalsefalsetruefalse17falsefalse false00falsefalsefalsetruefalse18falsefalsefalse00falsefalsefalsetruefalse19falsefalsefalse00falsefalsefalsetruefalse20falsefalsefalse00falsefalsefalsetruefalseMonetaryxbrli:monetaryItemTypemonetaryThe amount of amortization expense expected to be recognized during the second twelve-month period following the balance sheet date.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 45 -Subparagraph a(3) falsefalseNextEra Energy Resources' future amortization expense - 201289false0us-gaap_FutureAmortizationExpenseYearThreeus-gaaptruedebitdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalselabel1f alsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3false< /IsNumeric>falsefalse00falsefalsefalsefalsefalse4truefalsefalse1000000010000000falsefalsefalsefalsefalse5falsefalsefalse00falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalse7fal sefalsefalse00falsefalsefalsefalsefalse8falsefalsefalse00falsefalsefalsetruefalse9falsefalsefalse00falsefalsefalsetruefalse10falsefalsefalse00falsefalsefalsetruefalse11falsefalsefalse00falsefalsefalsetruefalse12falsefalsefalse00falsefalsefalsetruefalse13falsefalsefalse00falsefalsefalsetruefalse14falsefalsefalse00falsefalsefalsetruefalse15falsefalsefalse00falsefalsefalsetruefalse16falsefalsefalse00falsefalsefalsetruefalse17falsefal sefalse00falsefalsefalsetruefalse18falsefalsefalse00falsefalsefalsetruefalse19falsefalsefalse00falsefalsefalsetruefalse20falsefalsefalse00falsefalsefalsetruefalseMonetaryxbrli:monetaryItemTypemonetaryThe amount of amortization expense expected to be recognized during the third twelve-month period following the balance sheet date.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 45 -Subparagraph a(3) falsefalseNextEra Energy Resources' future amortization expense - 201390false0us-gaap_FutureAmortizationExpenseYearFourus-gaaptruedebitdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalselabel1fa lsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4truefalsefalse80000008000000falsefalsefalsefalsefalse5f alsefalsefalse00falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalse7false< /IsNumeric>falsefalse00falsefalsefalsefalsefalse8falsefalsefalse00falsefalsefalsetruefalse9falsefalsefalse00falsefalsefalsetruefalse10falsefalsefalse00falsefalsefalsetruefalse11false falsefalse00falsefalsefalsetruefalse12falsefalsefalse00falsefalsefalsetruefalse13falsefalsefalse00falsefalsefalsetruefalse14falsefalsefalse00falsefalsefalsetruefalse15falsef alsefalse00falsefalsefalsetruefalse16falsefalsefalse00falsefalsefalsetruefalse17falsefalse< /IsRatio>false00falsefalsefalsetruefalse18falsefalsefalse00falsefalsefalsetruefalse19falsefalsefalse00falsefalsefalsetruefalse20falsefalsefalse00falsefalsefalsetruefalseMonetaryxbrli:monetaryItemTypemonetaryThe amount of amortization expense expected to be recognized during the fourth twelve-month period following the balance sheet date.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 45 -Subparagraph a(3) falsefalseNextEra Energy Resources' future amortization expense - 201491false0us-gaap_FutureAmortizationExpenseYearFiveus-gaaptruedebitdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalselabel1fa lsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4truefalsefalse60000006000000falsefalsefalsefalsefalse5f alsefalsefalse00falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalse7false< /IsNumeric>falsefalse00falsefalsefalsefalsefalse8falsefalsefalse00falsefalsefalsetruefalse9falsefalsefalse00falsefalsefalsetruefalse10falsefalsefalse00falsefalsefalsetruefalse11false falsefalse00falsefalsefalsetruefalse12falsefalsefalse00falsefalsefalsetruefalse13falsefalsefalse00falsefalsefalsetruefalse14falsefalsefalse00falsefalsefalsetruefalse15falsef alsefalse00falsefalsefalsetruefalse16falsefalsefalse00falsefalsefalsetruefalse17falsefalse< /IsRatio>false00falsefalsefalsetruefalse18falsefalsefalse00falsefalsefalsetruefalse19falsefalsefalse00falsefalsefalsetruefalse20falsefalsefalse00falsefalsefalsetruefalseMonetaryxbrli:monetaryItemTypemonetaryThe amount of amortization expense expected to be recognized during the fifth twelve-month period following the balance sheet date.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 45 -Subparagraph a(3) falsefalseNextEra Energy Resources' future amortization expense - 201592true0us-gaap_DeferredIncomeTaxesAndTaxCreditsAbstractus-gaaptruenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4falsefalsefalse00falsefalsefalsefalsefalse5fa lsefalsefalse00falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalse7falsefalsefalse00falsefalsefalsefalsefalse8falsefalsefalse00falsefalsefalsetruefalse9falsefalsefalse00falsefalsefalsetruefalse10falsefalsefalse00falsefalsefalsetruefalse11false< IsRatio>falsefalse00falsefalsefalsetruefalse12falsefalsefalse00falsefalsefalsetruefalse13falsefalsefalse00falsefalsefalsetruefalse14falsefalsefalse00falsefalsefalsetruefalse15falsefa lsefalse00falsefalsefalsetruefalse16falsefalsefalse00falsefalsefalsetruefalse17falsefalsefalse00falsefalsefalsetruefalse18falsefalsefalse00falsefalsefalsetruefalse19falsefalsefalse00falsefalsefalsetruefalse20falsefalsefalse00falsefalsefalsetruefalseOtherxbrli:stringItemTypestringNo definition available.falsefalseIncome Taxes [Abstract]93false0nee_RevenueEquivalentOfDifferenceInAccumulatedDeferredIncomeTaxesComputerUnderAccountingRulesVersusRegulatoryRulesneefalsedebitinstantThe revenue equivalent of the difference in accumulated deferred income taxes computed under accounting rules, as compared to...falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00falsefalsefalsefalsefalse2truefalsefalse151000000151000000falsefalsefalsefalsefalse3truefalsefalse151000000151000000falsefalsefalsefalsefalse4truefalsefalse151000000151000000falsefalsefalsefalsefalse5truefalsefalse137000000137000000falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalse7falsefalsefalse00falsefalsefalsefalsefalse8falsefalsefalse00falsefalsefalsetruefalse9falsefalsefalse00falsefalsefalsetruefalse10falsefalsefalse00falsefalsefalsetruefalse11falsefalsefalse00falsefalsefalsetruefalse12falsefalsefalse00falsefalsefalsetruefalse13falsefalsefalse00falsefalsefalsetruefalse14falsefalsefalse00falsefalsefalsetruefalse15falsefalsefalse00falsefalsefalsetruefalse16falsefalsefalse00falsefalsefalsetruefalse17falsefalsefalse00falsefalsefalsetruefalse18falsefalsefalse00falsefalsefalsetruefalse19falsefalsefalse00falsefalsefalsetruefalse20falsefalsefalse00falsefalsefalsetruefalseMonetaryxbrli:monetaryItemTypemonetaryThe revenue equivalent of the difference in accumulated deferred income taxes computed under accounting rules, as compared to regulatory accounting rules. Included in other regulatory assets on the consolidated balance sheets, this amount is being amortized in accordance with the regulatory treatment over the estimated lives of the assets or liabilities for which the deferred tax amount was initially recognized.No authoritative reference available.falsefalseRevenue equivalent of the difference in accumulated deferred income taxes computed under accounting rules, as compared to regulatory accounting rules94false0us-gaap_AccumulatedDeferredInvestmentTaxCreditus-gaaptruecreditinstantNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalselabel1falsefalsefalse00falsefalsefalsefalsefalse2truefalsefalse70000007000000falsefalsefalsefalsefalse3truefalsefalse70000007000000falsefalsefalsefalsefalse4truefalsefalse70000007000000falsefalsefalsefalsefalse5truefalsefalse80000008000000falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalse7< /Id>falsefalsefalse00falsefalsefalsefalsefalse8falsefalsefalse00falsefalsefalsetruefalse9falsefalsefalse00falsefalsefalsetruefalse10falsefalsefalse00falsefalsefalsetruefalse11falsefalsefalse00falsefalsefalsetruefalse12falsefalsefalse00falsefalsefalsetruefalse13f alsefalsefalse00falsefalsefalsetruefalse14falsefalsefalse00falsefalsefalsetruefalse15false< /IsNumeric>falsefalse00falsefalsefalsetruefalse16falsefalsefalse00falsefalsefalsetruefalse17falsefalsefalse00falsefalsefalsetruefalse18falsefalsefalse00falsefalsefalsetruefalse19falsefalsefalse00falsefalsefalsetruefalse20falsefalsefalse00falsefalsefalsetruefalseMo netaryxbrli:monetaryItemTypemonetaryThe noncurrent portion of the reserve for accumulated deferred investment tax credits as of the balance sheet date. This is the remaining investment credit, which will reduce the cost of services collected from ratepayers by a ratable portion over the investment's regulatory life.No authoritative reference available.falsefalseDeferred investment tax credits for FPL95false0nee_DeferredIncomeTaxBenefitAssociatedWithConvertibleInvestmentTaxCreditsneefalsedebitinstantDeferred income tax benefit related to the difference between the fin ancial statement and tax bases of renewable property.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00falsefalsefalsefals efalse2truefalsefalse5800000058000000falsefalsefalsefalsefalse3truefalsefalse5800000058000000falsefalsefalsefalsefalse4truefalsefalse5800000058000000falsefalsefalsefalsefalse5truefalsefalse1400000014000000falsefalsefals efalsefalse6falsefalsefalse00falsefalsefalsefalsefalse7falsefalsefalse00falsefalsefalsefalsefalse8falsefalsefalse00falsefalsefalsetruefalse9falsefalsefalse00falsefalsefalsetruefalse10falsefalsefalse00falsefalsefalsetruefalse11falsefalsefalse00falsefalsefalsetruefalse12falsefalsefalse00falsefalsefalsetruefalse13falsefalsefalse00falsefalsefalsetruefalse14falsefalsefalse00falsefalsefalsetruefalse15falsefalsefalse00falsefalsefalse< hasSegments>truefalse16falsefalsefalse00falsefalsefalsetruefalse17falsefalsefalse00falsefalsefalsetruefalse18falsefalsefalse00falsefalsefalsetruefalse19falsefalsefalse00falsefalsefalsetruefalse20falsefalsefalse00falsefalsefalsetruefalseMonetaryxbrli:monetaryItemTypemonetaryDeferred income tax benefit related to the difference between the financial statement and tax bases of renewable property.No authoritative reference available.falsefalseNet deferred income tax benefits associated with convertible ITCs96true0nee_SaleOfDifferentialMembershipInterestsLineItemsneefalsenadurationLine items represent financial concepts included in a table. These concepts are used to disclose reportable information...falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel 1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4falsefalsefalse00falsefalsefalsefalsefalse5falsefalsefalse00falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalse7falsefalsefalse00falsefalsefalsefalsefalse8falsefalsefalse00falsefalsefalsetruefalse9falsefalsefalse00falsefalsefalsetruefalse10falsefalsefalse00falsefalsefalsetruefalse11falsefalsefalse00falsefalsefalsetruefalse12falsefalsefalse00falsefalsefalsetruefalse13falsefalsefalse00falsefalsefalsetruefalse14falsefalsefalse00falsefalsefalsetruefalse15fa lsefalsefalse00falsefalsefalsetruefalse16falsefalsefalse00falsefalsefalsetruefalse17falsefalsefalse00falsefalsefalsetruefalse18falsefalsefalse00falsefalsefalsetruefalse19falsefalsefalse00falsefalsefalsetruefalse20falsefalsefalse00falsefalsefalsetruefalseOtherxbrli:stringItemTypestringLine items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.falsefalseSale of differential membership interests [Line Items]97false0nee_SaleOfDifferentialMembershipInterestsneefalsenadurationThe cash inflow from the sale of membership interests.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4truefalsefalse261000000261000000< NonNumbericText />falsefalsefalsefalsefalse5truefalsefalse00falsefalsefalsefalsefalse6truefalsefalse00falsefalsefalsefalsefalse7falsefalsefalse00falsefalsefalsefalsefalse8falsefalsefalse00falsefalsefalsetruefalse9falsefalsefalse00falsefalsefalsetruefalse10falsefalsefalse00 falsefalsefalsetruefalse11falsefalsefalse00falsefalsefalsetruefalse12falsefalsefalse00falsefalsefalsetruefalse13falsefalsefalse00falsefalsefalsetruefalse14falsefalsefalse00falsefalsefalsetruefalse15falsefalsefalse00falsefalsefalsetruefalse16falsefalsefalse00falsefalsefalsetruefalse17falsefalsefalse00falsefalsefalsetruefalse18truefalsefalse705000000705000000falsefalsefalsetruefalse19truefalsefalse190000000190000000falsefalsefalsetruefalse20truefalsefalse7500000075000000< NonNumbericText />[1]falsefalsefalsetruefalseMonetaryxbrli:monetaryItemTypemonetaryThe cash inflow from the sale of membership interests.No authoritative reference available.falsefalseProceeds98false0nee_GeneratingCapacityOfWindFacilitiesneefalsenadurationThe generating capacity of the wind facilities in which Class B membership interests were sold to third-party investors.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4falsefalsefalse00falsefalsefalsefalsefalse5falsefalsefalse00falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalse7falsefalsefalse00falsefalsefalsefalsefalse8falsefalsefalse00falsefalsefalsetruefalse9falsefalsefalse00falsefalsefalsetruefalse10falsefalsefalse00falsefalsefalsetruefalse11falsefalsefalse00falsefalsefalsetruefalse12falsefalsefalse00falsefalsefalsetruefalse13falsefalsefalse00falsefalsefalsetruefalse14falsefalsefalse00falsefalsefalsetruefalse15falsefalsefalse00falsefalsefalsetruefalse16falsefalsefalse00falsefalsefalsetruefalse17falsefalsefalse00falsefalsefalsetruefalse18truefalsefalse598598falsefalsefalsetruefalse19truefalsefalse170170falsefalsefalsetruefalse20truefalsefalse309309falsefalsefalsetruefalseOtherus-types:powerItemTypedecimalThe generating capacity of the wind facilities in which Class B membership interests were sold to third-party investors.No authoritative reference available.fal sefalseGenerating Capacity (in megawatts)99false0nee_WindFacilitiesneefalsenadurationThe names of the wind facilities in which Class B membership interests were sold to third-party investors.falsefalsefalsefalsefalsefalsefalsefalsefalsefalselabel1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3false falsefalse00falsefalsefalsefalsefalse4falsefalsefalse00falsefalsefalsefalsefalse5falsefalsefalse00falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalse7falsef alsefalse00falsefalsefalsefalsefalse8falsefalsefalse00falsefalsefalsetruefalse9falsefalsefalse00falsefalsefalsetruefalse10falsefalsefalse00falsefalsefalsetruefalse11falsefalsefalse00falsefalsefalsetruefalse12falsefalsefalse00falsefalsefalsetruefalse13falsefalsefalse00falsefalsefalsetruefalse14falsefalsefalse00falsefalsefalsetruefalse15falsefalsefalse00falsefalsefalsetruefalse16falsefalsefalse00falsefalsefalsetruefalse17falsefalsefalse00falsefalsefalsetruefalse18falsefalsefalse00Logan Wind, Mower County Wind, Oliver County Wind I and II, and Peetz Table WindLogan Wind, Mower County Wind, Oliver County Wind I and II, and Peetz Table Windfalsefalsefalsetruefalse19falsefalsefalse00Ashtabula Wind II and Wilton Wind IIAshtabula Wind II and Wilton Wind IIfalsefalsefalsetruefalse20falsefalsefalse00Crystal Lake I, Langdon Wind and Langdon Wind IICrystal Lake I, Langdon Wind and Langdon Wind IIfalsefalsefalsetruefalseOtherxbrli:stringItemTypestringThe names of the wind facilities in which Class B membership interests were sold to third-party investors.No authoritative reference available.falsefalseWind Facilities100false0nee_FutureCapitalContributionsExpectedToBeReceivedneefa lsedebitinstantThe total amount of future capital contributions, based on projected wind generation, that are expected to be received by...falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00falsefalsefalsefalsefalse2truefalsefalse207000000207000000falsetruefalsefalsefalse3truefalsefalse207000000207000000falsetruefalsefalsefalse4truefalsefalse207000000207000000falsetruefalsefalsefalse5falsefalsefalse00falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalse7falsefalsefalse00falsefalsefalsefalsefalse8falsefalsefalse00falsefalsefalsetruefalse9falsefalsefalse00falsefalsefalsetruefalse10falsefalsefalse00falsefalsefalsetruefalse11falsefalsefalse00falsefalsefalsetruefalse12falsefalsefalse00falsefalsefalsetruefalse13falsefalsefalse00falsefalsefalsetruefalse14falsefalsefalse00falsefalsefalsetruefalse15falsefalsefalse00falsefalsefalsetruefalse16falsefalsefalse00falsefalsefalsetruefalse17falsefalsefalse00falsefalsefalsetruefalse18falsefalsefalse00falsefalsefalsetruefalse19falsefalsefalse00 falsefalsefalsetruefalse20falsefalsefalse00falsefalsefalsetruefalseMonetaryxbrli:monetaryItemTypemonetaryThe total amount of future capital contributions, based on projected wind generation, that are expected to be rec eived by NextEra Energy Resources from the third-party investor on a semi-annual basis through December 31, 2018. These contributions are based on the amount of PTCs generated by the facilities in which Class B membership interests were sold to the third-party investors.No authoritative reference available.falsefalseFuture capital contributions expected to be received1NextEra Energy will receive future capital contributions from the third-party investor on a semi-annual basis through December 31, 2018 based on the amount of PTCs generated by the facilities. At December 31, 2010, the future capital contributions are expected to total approximately $207 million based on projected wind generation.2099Summary of Significant Accounting and Re porting Policies (Details) (USD $)NoRoundingUnKnownUnKnownUnKnowntruetrue