2.2.0.25falsefalse009170 - Disclosure - Quarterly Data (Unaudited) (Details)truefalseIn Millions, except Per Share datafalse1falsefalseUSDfalsefalse10/1/2010 - 12/31/2010
USD ($)
USD ($) / shares
$c00408http://www.sec.gov/CIK0000753308duration2010-10-01T00:00:002010-12-31T00:00:00u000Standardhttp://www.xbrl.org/2003/iso4217USDiso42170u003Dividehttp://www.xbrl.org/2003/iso4217USDiso4217http://www.xbrl.org/2003/instancesharesxbrli
0USDUSD$2falsefalseUSDfalsefalse7/1/2010 - 9/30/2010
USD ($) / shares
USD ($)
$c00180http://www.sec.gov/CIK0000753308duration2010-07-01T00:00:002010-09-30T00:00:00u003Dividehttp://www.xbrl.org/2003/iso4217USDiso4217http://www.xbrl.org/2003/instancesharesxbrli0u000Standardhttp://www.xbrl.org/2003/iso4217USDiso4
2170USDUSD$3falsefalseUSDfalsefalse4/1/2010 - 6/30/2010
USD ($)
USD ($) / shares
$c00175http://www.sec.gov/CIK0000753308duration2010-04-01T00:00:002010-06-30T00:00:00u000Standardhttp://www.xbrl.org/2003/iso4217USDiso42170u003Dividehttp://www.xbrl.org/2003/iso4217USDiso4217http://www.xbrl.org/2003/instancesharesxbrli
0USDUSD$4falsefalseUSDfalsefalse1/1/2010 - 3/31/2010
USD ($) / shares
USD ($)
$c00177http://www.sec.gov/CIK0000753308duration2010-01-01T00:00:002010-03-31T00:00:00u003Dividehttp://www.xbrl.org/2003/iso4217USDiso4217http://www.xbrl.org/2003/instancesharesxbrli0u001Standardhttp://www.xbrl.org/2003/instancepurexb
rli0u000Standardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$5falsefalseUSDfalsefalse10/1/2009 - 12/31/2009
USD ($) / shares
USD ($)
$c00409http://www.sec.gov/CIK0000753308duration2009-10-01T00:00:002009-12-31T00:00:00u003Dividehttp://www.xbrl.org/2003/iso4217USDiso4217http://www.xbrl.org/2003/instancesharesxbrli0u000Standardhttp://www.xbrl.org/2003/iso4217USDiso4
2170USDUSD$6falsefalseUSDfalsefalse7/1/2009 - 9/30/2009
USD ($) / shares
USD ($)
$c00181http://www.sec.gov/CIK0000753308duration2009-07-01T00:00:002009-09-30T00:00:00u003Dividehttp://www.xbrl.org/2003/iso4217USDiso4217http://www.xbrl.org/2003/instancesharesxbrli0u000Standardhttp://www.xbrl.org/2003/iso4217USDiso4
2170USDUSD$7falsefalseUSDfalsefalse4/1/2009 - 6/30/2009
USD ($) / shares
USD ($)
$c00176http://www.sec.gov/CIK0000753308duration2009-04-01T00:00:002009-06-30T00:00:00u003Dividehttp://www.xbrl.org/2003/iso4217USDiso4217http://www.xbrl.org/2003/instancesharesxbrli0u000Standardhttp://www.xbrl.org/2003/iso4217USDiso4
2170USDUSD$8falsefalseUSDfalsefalse1/1/2009 - 3/31/2009
USD ($) / shares
USD ($)
$c00178http://www.sec.gov/CIK0000753308duration2009-01-01T00:00:002009-03-31T00:00:00u003Dividehttp://www.xbrl.org/2003/iso4217USDiso4217http://www.xbrl.org/2003/instancesharesxbrli0u000Standardhttp://www.xbrl.org/2003/iso4217USDiso4
2170USDUSD$9falsefalseUSDfalsefalse1/1/2010 - 12/31/2010
USD ($)
USD ($) / shares
$c00323http://www.sec.gov/CIK0000753308duration2010-01-01T00:00:002010-12-31T00:00:00u000Standardhttp://www.xbrl.org/2003/iso4217USDiso42170u002Standardhttp://www.xbrl.org/2003/instancesharesxbrli0u001Standardhttp://www.xb
rl.org/2003/instancepurexbrli0u003Dividehttp://www.xbrl.org/2003/iso4217USDiso4217http://www.xbrl.org/2003/instancesharesxbrli0u004Standardhttp://nexteraenergyresources.com/20101231mWnee0USDUSD$10falsefalseUSDfalsefalse1/1/2009 - 12/31/2009
USD ($)
USD ($) / shares
$c00022http://www.sec.gov/CIK0000753308duration2009-01-01T00:00:002009-12-31T00:00:00u000Standardhttp://www.xbrl.org/2003/iso4217USDiso42170u001Standardhttp://www.xbrl.org/2003/instancepurexbrli0u003Dividehttp://www.xbrl.
org/2003/iso4217USDiso4217http://www.xbrl.org/2003/instancesharesxbrli0u002Standardhttp://www.xbrl.org/2003/instancesharesxbrli0USDUSD$11falsefalseUSDfalsefalse1/1/2008 - 12/31/2008
USD ($)
USD ($) / shares
$c00000http://www.sec.gov/CIK0000753308duration2008-01-01T00:00:002008-12-31T00:00:00u000Standardhttp://www.xbrl.org/2003/iso4217USDiso42170u003Dividehttp://www.xbrl.org/2003/iso4217USDiso4217http://www.xbrl.org/2003/instancesharesxbrli
0u001Standardhttp://www.xbrl.org/2003/instancepurexbrli0u002Standardhttp://www.xbrl.org/2003/instancesharesxbrli0USDUSD$3true0us-gaap_SelectedQuarterlyFinancialInformationAbstractus-gaaptruenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalselabel1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4falsefalsefalse00falsefalsefalsefalsefalse5falsefalsefalse00falsefalsefalsefalsefalse6falsefalsefalse00falsefalsefalsefalsefalse7falsefalsefalse00false
falsefalsefalsefalse8falsefalsefalse00falsefalsefalsefalsefalse9falsefalsefalse00falsefalse
falsefalsefalse10falsefalsefalse00falsefalsefalsefalsefalse11falsefalsefalse00falsefalsefalsefalsefalseOtherxbrli:stringItemTypestringNo definition available.falsefalse4false0us-gaap_Revenuesus-gaaptruecreditdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalselabel1truefalsefalse34130000003413[1],[2]falsetruefalsefalsefalse2truefalsefalse46910000004691[1],[2]falsetruefalsefalsefalse3truefalsefalse35910000003591[1],[2]falsetruefalsefalsefalse4truefalsefalse3622
0000003622[1],[2]falsetruefalsefalsefalse5truefalsefalse36550000003655[1],[2]falsetruefalsefalsefalse6truefalsefalse44730000004473[1],[2]falsetruefalsefalsefalse7truefalsefalse38110000003811[1],[2]falsetruefalsefalsefalse8truefalsefalse37050000003705[1],[2]falsetruefalsefalsefalse9truefalsefalse1531700000015317falsetruefalsefalsefalse10truefalsefalse1564300000015643falsetruefalsefalsefalse11truefalsefalse1641000000016410falsetruefalsefalse
hasSegments>falseMonetaryxbrli:monetaryItemTypemonetaryAggregate revenue recognized during the period (derived from goods sold, services rendered, insurance premiums, or other activities that constitute an entity's earning process). For financial services companies, also includes investment and interest income, and sales and trading gains.Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 03
-Paragraph 1
-Article 5
falsefalse5false0us-gaap_OperatingIncomeLossus-gaaptruecreditdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalselabel1truefalsefalse469000000469[1],[2]falsefalsefalsefalsefalse2truefalsefalse11250000001125[1],[2]falsefalsefalsefalsefalse3truefalsefalse709000000709[1],[2]falsefalsefalsefalsefalse4truefalsefalse939000000939[1],[2]falsefalsefalsefalsefalse5truefalsefalse557000000557[1],[2]falsefalsefalsefalsefalse6truefalsefalse849000000849[1],[2]falsefalsefalsefalsefalse7truefalsefalse605000000605[1],[2]falsefalsefalsefalsefalse8truefalsefalse583000000583[1],[2]falsefalsefalsefalsefalse9truefalsefalse32430000003243falsefalsefalsefalsefalse10truefalsefalse25940000002594falsefalsefalsefalsefalse11truefalsefalse28250000002825falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe net result for the period of deducting operating expenses from operating revenues.No authoritative reference
available.falsefalse6false0us-gaap_NetIncomeLossus-gaaptruecreditdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1truefalsefalse263000000263[1],[2]falsetruefalsefalsefalse2truefalsefalse720000000720[1],[2]falsetruefalsefalsefalse3truefalsefalse417000000417[1],[2]falsetruefalsefalsefalse4truefalsefalse556000000556[1],[2]falsetruefalsefalsefalse5truefalsefalse349000000349[1],[2]falsetruefalsefalsefalse6truefalsefalse533000000533[1],[2]falsetruefalsefalsefalse7truefalsefalse370000000370[1],[2]falsetruefalsefalsefalse8truefalsefalse364000000364[1],[2]false
truefalsefalsefalse9truefalsefalse19570000001957falsetruefalsefalsefalse10truefalsefalse16150000001615falsetruefalsefalsefalse11truefalsefalse16390000001639falsetruefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe portion of consolidated profit or loss for the period, net of income taxes, which is attributable to the parent. If the entity does not present consolidat
ed financial statements, the amount of profit or loss for the period, net of income taxes.Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 03
-Paragraph 19
-Article 5
Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher AICPA
-Name Accounting Research Bulletin (ARB)
-Number 51
-Paragraph 38
-Subparagraph d
Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher AICPA
-Name Accounting Research Bulletin (ARB)
-Number 51
-Paragraph A7
-Appendix A
Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher AICPA
-Name Accounting Research Bulletin (ARB)
-Number 51
-Paragraph 38
-Subparagraph a
Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 04
-Paragraph 20
-Article 9
Reference 6: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 130
-Paragraph 10, 15
Reference 7: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Emerging Issues Task Force (EITF)
-Number 87-21
Reference 8: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 95
-Paragraph 28, 29, 30
falsefalse7false0us-gaap_EarningsPerShareBasicus-gaaptruenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalselabel1truefalsefalse0.640.64[1],[3]falsetruefalsefalsefalse2truefalsefalse1.751.75[1],[3]falsetruefalsefalsefalse3t
ruefalsefalse1.021.02[1],[3]falsetruefalsefalsefalse4truefalsefalse1.361.36[1],[3]falsetruefalsefalsefalse<
/hasScenarios>5truefalsefalse0.860.86[1],[3]falsetruefalsefalsefalse6truefalsefalse1.321.32[1],[3]falsetruefalsefalsefalse7truefalsefalse0.920.92[1],[3]falsetruefalsefalsefalse8truefalsefalse0.900.90[1],[3]falsetruefalsefalsefalse9truefalsefalse4.774.77falsetruefalsefalsefalse10truefalsefalse3.993.99falsetruefalsefalsefalse11truefalsefalse4.104.10falsetruefalsefalsefalseEPSus-types:perShareItemTypedecimalThe amount of net income or loss for the period per each share of common stock outstanding during the reporting period.Reference 1: http://www.xbrl.org/2003/role/presentat
ionRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 04
-Paragraph 21
-Article 9
Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 128
-Paragraph 36, 37, 38
Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 03
-Paragraph 20
-Article 5
Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 04
-Paragraph 18
-Article 7
falsetrue8false0us-gaap_EarningsPerShareDilutedus-gaaptruenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalselabel1truefalsefalse0.630.63[1],[3]falsetruefalsefalsefalse2truefalsefalse1.741.74[1],[3]falsetruefalsefalsefalse3truefalsefalse1.011.01[1],[3]falsetruefalsefalsefalse4truefalsefalse1.361.36[1],[3]falsetruefalsefalsefalse5truefalsefalse0.850.85[1],[3]falsetruefalsefalsefalse6truefalsefalse1.311.31[1],[3]falsetruefalsefalsefalse7truefalsefalse0.910.91[1],[3]falsetruefalsefalsefalse8truefalsefalse0.900.90[1],[3]falsetruefalsefalsefalse9truefalsefalse4.744.74falsetruefalsefalsefalse10truefalsefalse3.973.97falsetruefalsefalsefalse11truefalsefalse4.074.07falsetruefalsefalsefalseEPSus-types:perShareItemTypedecimalThe amount of net income or loss for the period per each share of common stock and dilutive common stock equivalents outstanding during the reporting period.
Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 128
-Paragraph 11, 12, 36
Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 03
-Paragraph 20
-Article 5
Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 04
-Paragraph 18
-Article 7
Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 04
-Paragraph 21
-Article 9
falsetrue9false0us-gaap_CommonStockDividendsPerShareCashPaidus-gaaptruenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalselabel1tru
efalsefalse0.500.50falsetruefalsefalsefalse2truefalsefalse0.500.50falsetruefalsefalsefalse3
truefalsefalse0.500.50falsetruefalsefalsefalse4truefalsefalse0.500.50falsetruefalsefalsefalse5truefalsefalse0.47250.4725falsetruefalsefalsefalse6truefalsefalse0.47250.4725falsetruefalsefalsefalse7
Id>truefalsefalse0.47250.4725falsetruefalsefalsefalse8truefalsefalse0.47250.4725falsetruefalsefalsefalse9truefalsefalse2.002.00falsetruefalsefalsefalse10truefalsefalse1.891.89falsetruefalsefalsefalse11truefalsefalse1.781.78falsetruefalsefalsefalseEPSus-types:perShareItemTypedecimalAggregate dividends paid during the period for each share of common stock outstanding.Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 04
-Article 3
falsetrue10false0nee_HighCommonStockSalesPriceneefalsenadurationThe maximum common stock sales price during the period.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1t
ruefalsefalse56.2656.26falsetruefalsefalsefalse2truefalsefalse55.9855.98falsetruefalsefalsefalse3truefalsefalse53.5053.50falsetruefalsefalsefalse4truefalsefalse53.7553.75falsetruefalsefalsefalse5truefalsefalse56.5756.57falsetruefalsefalsefalse6truefalsefalse60.6160.61falsetruefalsefalsefalse<
Id>7truefalsefalse59.0059.00falsetruefalsefalsefalse8truefalsefalse53.9953.99falsetruefalsefalsefalse9falsefalsefalse00falsefalsefalsefalsefalse10falsefalsefalse00falsefalsefalsefalsefalse11falsefalsefalse00falsefalsefalsefalsefalseEPSus-types:perShareItemTypedecimalThe maximum common stock sales price during the period.No authoritative reference available.falsetrue11false0nee_LowCommonStockSalesPriceneefalsenadurationThe minimum common stock sales price during the period.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1truefalsefalse50.0050.00falsetruefalsefalsefalse2truefalsefalse48.4448.44falsetruefalsefalsefalse3truefalsefalse47.9647.96falsetruefalsefalsefalse4truefalsefalse45.2945.29falsetruefalsefalsefalse5truefalsefalse48.5548.55falsetruefalsefalsefalse6truefalsefalse53.1353.13falsetruefalsefalsefalse7truefalsefalse49.7049.70falsetruefalsefalsefalse8truefalsefalse41.4841.48falsetruefalsefalsefalse9falsefalsefalse00falsefalsefalsefalsefalse10falsefalsefalse00falsefalsefalsefalsefalse11falsefalsefalse00falsefalsefalsefalsefalseEPSus-types:perShareItemTypedecimalThe minimum common stock sales price during the period.No authoritative reference available.falsetrue1In the opinion of NextEra Energy and FPL, all adjustments, which consist of normal recurring accruals necessary to present a fair statement of the amounts shown for such periods, have been made. Results of operati
ons for an interim period generally will not give a true indication of results for the year.2The sum of the quarterly amounts may not equal the total for the year due to rounding.3The sum of the quarterly amounts may not equal the total for the year due to rounding and changes in weighted-average number of common shares outstanding.119Quarterly Data (Unaudited) (Details) (USD $)MillionsUnKnownNoRoundingUnKnownfalsetrue