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2.2.0.25falsefalse007010 - Disclosure - Summary of Significant Accounting and Reporting Policies (Policies)truefalsefalse1falsefalseUSDfalsefalse1/1/2010 - 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$2true0nee_SummaryOfSignificantAccountingAndReportingPoliciesPoliciesAbstractneefalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsefalsefalseOtherxbrli:stringItemTypestringNo definition available.falsefalseSummary of Significant Accounting and Reporting Policies [Policies] [Abstract]3false0nee_NatureOfOperationsAndConsolidationPolicyTextBlockneefalsenadurationDescribes the nature of an entity's business, the major products or services it sells or provides and its principal markets....falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-FAMILY: Arial, sans-serif; FONT-SIZE: 9pt"><font style="FONT-STYLE: italic; DISPLAY: inline">Basis of Presentation</font> - The operations of NextEra Energy, Inc. (NextEra Energy), formerly known as FPL Group, Inc., are conducted primarily through its wholly-owned subsidiary Florida Power & Light Company (FPL) and its wholly-owned indirect subsidiary NextEra Energy Resources, LLC (NextEra Energy Resources).  FPL, a rate-regulated public utility, supplies electric service to approximately 4.5 million customer accounts throughout most of the east and lower west coasts of Florida.  NextEra Energy Resources invests in independent power projects through both controlled and consolidated entities and non-controlling ownership interests in joint ventures essentially all of which are accounted for under the equity method.</font></div><div style="TEXT-INDENT: 0pt; DISPLAY: block"><br /></div><div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-FAMILY: Arial, sans-serif; FONT-SIZE: 9pt">The consolidated financial statements of NextEra Energy and FPL include the accounts of their respective majority-owned and controlled subsidiaries.  All significant intercompany balances and transactions have been eliminated in consolidation.  Certain amounts included in prior years' consolidated financial statements have been reclassified to conform to the current year's presentation.  See Note 15 for a discussion of a change in allocation of certain costs.  The preparation of financial statements requires the use of estimates and assumptions that affect the reported amounts of assets, liabilities, revenues and expenses and the disclosure of contingent assets and liabilities.  Actual results could differ f rom those estimates.</font></div>Basis of Presentation - The operations of NextEra Energy, Inc. (NextEra Energy), formerly known as FPL Group, Inc., are conducted primarily through itsfalsefalsefalsefalsefalseOtherus-types:textBlockItemTypestringDescribes the nature of an entity's business, the major products or services it sells or provides and its principal markets. Describes an entity's accounting policy regarding the principles it follows in consolidation, including, (1) its accounting treatment for intercompany transactions, (2) reclassification s in the current year that may be different from the prior year, and (3) an explanation that the preparation of financial statements requires the use of management estimates.No authoritative reference available.falsefalseBasis of Presentation4false0us-gaap_PublicUtilitiesPolicyTextBlockus-gaaptruenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalselabel1falsefalsefalse00<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-FAMILY: Arial, sans-serif; FONT-SIZE: 9pt"><font style="FONT-STYLE: italic; DISPLAY: inline">Regulation</font> - FPL is subject to regulation by the Florida Public Service Commission (FPSC) and the Federal Energy Regulatory Commission (FERC).  Its rates are designed to recover the cost of providing electric service to its customers including a reasonable rate of return on invested capital.  As a result of this cost-based regulation, FPL follow s the accounting guidance that allows regulators to create assets and impose liabilities that would not be recorded by non-rate regulated entities.  Regulatory assets and liabilities represent probable future revenues that will be recovered from or refunded to customers through the ratemaking process.</font></div><div style="TEXT-INDENT: 0pt; DISPLAY: block"><br /></div><div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-FAMILY: Arial, sans-serif; FONT-SIZE: 9pt">Cost recovery clauses, which are designed to permit full recovery of certain costs and provide a return on certain assets allowed to be recovered through the various clauses, include substantially all fuel, purchased power and interchange expenses, conservation and certain environmental-related expenses, certain revenue taxes and franchise fees.  Beginning in 2009, pre-construction costs and carrying charges for FPL's two additional nuclear units at Turkey Point and carrying charges on construction costs for FPL's approximately 400 megawatt (mw) to 460 mw of additional capacity at St. Lucie and Turkey Point are also recovered through a cost recovery clause.  Also beginning in 2009, costs incurred for FPL's three solar generating facilities are recovered through a cost recovery clause.  Once the new combined-cycle natural gas unit at FPL's West County Energy Center (WCEC) Unit No. 3 is placed into service, the incremental cost associated with the new unit up to the amount of the projected fuel savings for customers during the 2010 rate agreement will also be recovered through a cost recovery clause and recorded as retail base revenues.  See Revenues and Rates below.  Revenues from cost recovery clauses are recorded when billed; FPL achieves matching of costs and related revenues by deferring the net underrecovery or overrecov ery.  Any underrecovered costs or overrecovered revenues are collected from or returned to customers in subsequent periods.</font></div><div style="TEXT-INDENT: 0pt; DISPLAY: block"><br /></div><div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-FAMILY: Arial, sans-serif; FONT-SIZE: 9pt">If FPL were no longer subject to cost-based rate regulation, the existing regulatory assets and liabilities would be written off unless regulators specify an alternative means of recovery or refund.  In addition, the FPSC has the authority to disallow recovery of costs that it considers excessive or imprudently incurred.  The continued applicability of regulatory accounting is assessed at each reporting period.</font></div><div style="TEXT-INDENT: 0pt; DISPLAY: block"><br /></div>R egulation - FPL is subject to regulation by the Florida Public Service Commission (FPSC) and the Federal Energy Regulatory Commission (FERC).  ItsfalsefalsefalsefalsefalseOtherus-types:textBlockItemTypestringMay be used as a block of text to describe all the accounting policies unique to utilities. Examples include a discussion about the scope criteria and appropriateness for and extent of the application of FAS 71 (may include identification of specific business units). Other examples of the disclosures may include: descriptions of the form and economic effects of regulation (for ex ample, recording of regulatory assets and liabilities to the rate setting process); statement about periodic assessments of FAS 71 applicability; information regarding amortization of and return on regulatory assets and liabilities, including the remaining amounts and recovery or settlement periods; accounting for changes to recovery estimates; AFUDC, plant abandonment's and plant disallowances.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 92 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 90 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 71 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 101 falsefalseRegulation5false0nee_UtilityRevenuesAndRatesPolicyTextBlockneefalsenadurationThe entity's accounting policies and anticipated effects of regulatory rulings on rate-setting regarding revenues, including...falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel< FootnoteIndexer />1falsefalsefalse00<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-FAMILY: Arial, sans-serif; FONT-SIZE: 9pt"><font style="FONT-STYLE: italic; DISPLAY: inline">Revenues and Rates</font> - FPL's retail and wholesale utility rate schedules are approved by the FPSC and the FERC, respectively.  FPL records unbilled base revenues for the estimated amount of energy delivered to customers but not yet billed.  Unbilled base revenues are included in customer receivables and amounted to approximately $148 million and $121 million at December 31, 2010 and 2009, respectively.  FPL's operating revenues also include amounts resulting from cost recovery clauses (see Regulation), franchise fees, gross receipts taxes and surcharges related to storm-recovery bonds (see Note 9 - FPL).  Franchise fees and gross receipts taxes are imposed on FPL; however, the FPSC allows FPL to include in the amounts charged to customers the amount of the gross receipts tax for all customers and the franchise amount for those customers located in the jurisdiction that imposes the fee.  Accordingly, franchise fees and gross receipts taxes are reported gross in operating revenues and taxes other than income taxes and other on NextEra Energy's and FPL's consolidated statements of income and were approximately $687 million, $791 million and $781 million in 2010, 2009 and 2008, respectively.  The revenues from the surcharges related to storm-recovery bonds included in operating revenues on NextEra Energy's and FPL's consolidated statements of income were approximately $101 million, $91 million and $97 million in 2010, 200 9 and 2008, respectively.  FPL also collects municipal utility taxes which are reported gross in customer receivables and accounts payable on NextEra Energy's and FPL's consolidated balance sheets.</font></div><div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-FAMILY: Arial, sans-serif; FONT-SIZE: 9pt"></font> </div><div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-FAMILY: Arial, sans-serif; FONT-SIZE: 9pt">Effective March 1, 2010, pursuant to an FPSC final order (FPSC rate order) with regard to FPL’s March 2009 petition (2009 rate case) that requested, among other things, a permanent base rate increase, new retail base rates for FPL were established, resulting in an increase in retail base revenues of approximately $75 million on an annualized basis.& amp;#160; The FPSC rate order also established a regulatory return on common equity (ROE) of 10.0% with a range of plus or minus 100 basis points and an adjusted regulatory equity ratio of 59.1%, and shifted certain costs from retail base rates to the capacity clause.  In addition, the FPSC rate order directed FPL to reduce depreciation expense (surplus depreciation credit) over the 2010 to 2013 period related to a depreciation reserve surplus of approximately $895 million.  Subsequently, the principal parties in FPL’s 2009 rate case signed a stipulation and settlement regarding FPL’s base rates (2010 rate agreement) and, on February 1, 2011, the FPSC issued a final order reflecting its decision to approve the 2010 rate agreement.  Key elements of the 2010 rate agreement, which will be effective through December 31, 2012, are as follows:</font></div><div style="TEXT-INDENT: 0pt; DISPLAY: block"><b r /></div><div><table style="FONT-FAMILY: times new roman; FONT-SIZE: 10pt" cellspacing="0" cellpadding="0" width="100%"><tr><td valign="top" width="3%"><div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-FAMILY: symbol, serif; FONT-SIZE: 9pt">·</font></div></td><td valign="top" width="97%"><div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-FAMILY: arial, sans-serif; FONT-SIZE: 9pt">Subject to the provisions of the 2010 rate agreement, retail base rates will be effectively frozen through the end of 2012.</font></div></td></tr><tr><td valign="top" width="3%"><div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-FAMILY: symbol, serif; FO NT-SIZE: 9pt">·</font></div></td><td valign="top" width="97%"><div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-FAMILY: arial, sans-serif; FONT-SIZE: 9pt">Incremental cost recovery through FPL’s capacity cost recovery clause (capacity clause) for WCEC Unit No. 3, which is expected to be placed in service by mid-2011, will be permitted up to the amount of the projected fuel savings for customers during the term of the 2010 rate agreement.</font></div></td></tr><tr><td valign="top" width="3%"><div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-FAMILY: symbol, serif; FONT-SIZE: 9pt">·</font></div></td><td valign="top" width="97%"><div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN- RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-FAMILY: arial, sans-serif; FONT-SIZE: 9pt">Future storm restoration costs would be recoverable on an accelerated basis beginning 60 days from the filing of a cost recovery petition, but capped at an amount that produces a surcharge of no more than $4 for every 1,000 kilowatt-hours (kwh) of usage on residential bills during the first 12 months of cost recovery.  Any additional costs would be eligible for recovery in subsequent years.  If storm restoration costs exceed $800 million in any given calendar year, FPL may request an increase to the $4 surcharge for the amount above $800 million.</font></div></td></tr><tr><td valign="top" width="3%"><div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-FAMILY: symbol, serif; FONT-SIZE: 9pt">·</font></div></td&g t;<td valign="top" width="97%"><div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-FAMILY: arial, sans-serif; FONT-SIZE: 9pt">If FPL's earned regulatory ROE falls below 9%, FPL may seek retail base rate relief.  If FPL's earned regulatory ROE rises above 11%, any party to the 2010 rate agreement may seek a reduction in FPL’s retail base rates.  In determining the regulatory ROE for all purposes under the 2010 rate agreement, earnings will be calculated on an actual, non-weather-adjusted basis.</font></div></td></tr><tr><td valign="top" width="3%"><div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-FAMILY: symbol, serif; FONT-SIZE: 9pt">·</font></div></td><td valign="top" width="97%"><div style="TEXT-IN DENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-FAMILY: arial, sans-serif; FONT-SIZE: 9pt">FPL can vary the amount of surplus depreciation credit taken in any calendar year up to a cap in 2010 of $267 million, a cap in subsequent years of $267 million plus the amount of any unused portion from prior years, and a cap of $776 million (surplus depreciation credit cap) over the course of the 2010 rate agreement, provided that in any year of the 2010 rate agreement, including 2010, FPL must use at least enough surplus depreciation credit to maintain a 9% earned regulatory ROE but may not use any amount of surplus depreciation credit that would result in an earned regulatory ROE in excess of 11%.</font></div></td></tr></table></div><div style="TEXT-INDENT: 0pt; DISPLAY: block"><br /></div><div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justif y"><font style="DISPLAY: inline; FONT-FAMILY: Arial, sans-serif; FONT-SIZE: 9pt">NextEra Energy’s and FPL’s financial statements contained herein reflect the effects of the FPSC rate order and the 2010 rate agreement.</font></div><div style="TEXT-INDENT: 0pt; DISPLAY: block"><br /></div><div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-FAMILY: Arial, sans-serif; FONT-SIZE: 9pt">Under the terms of a rate agreement approved in 2005 (2005 rate agreement), which was in effect from January 1, 2006 through February 28, 2010, retail base rates did not increase except to allow recovery of the revenue requirements of FPL's three power plants that achieved commercial operation during the term of the 2005 rate agreement:  Turkey Point Unit No. 5 in 2007 and WCEC Units Nos. 1 and 2 in 2009.  Under the term s of the 2005 rate agreement, FPL's electric property depreciation rates were based upon the comprehensive depreciation studies it filed with the FPSC in March 2005; however, FPL reduced depreciation on its plant in service by $125 million each year as allowed by the 2005 rate agreement.  The 2005 rate agreement also provided for a revenue sharing mechanism, whereby revenues from retail base operations in excess of certain thresholds would be shared with customers.  During the term of the 2005 rate agreement, FPL's revenues did not exceed the thresholds.</font></div><div style="TEXT-INDENT: 0pt; DISPLAY: block"><br /></div><div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-FAMILY: Arial, sans-serif; FONT-SIZE: 9pt">NextEra Energy Resources' revenue is recorded on the basis of commodities delivered, contracts settled or services rendered, and includes estimated amounts yet to be billed to customers.  Certain commodity contracts for the purchase and sale of power that meet the definition of a derivative are recorded at fair value with subsequent changes in fair value recognized as revenue, unless hedge accounting is applied.  See Energy Trading and Note 3.</font></div><div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-FAMILY: Arial, sans-serif; FONT-SIZE: 9pt"></font> </div>Revenues and Rates - FPL's retail and wholesale utility rate schedules are approved by the FPSC and the FERC, respectively.  FPL records unbilledfalsefalsefalsefalsefalseOtherus-types:textBlockItemTypestringThe entity's accounting policies and anticipated effects of regulatory rulings on rate-setting regarding revenues, including billed and unbilled revenues, revenues from cost recovery clauses, taxes collected from customers and remitted to governmental authorities, surcharges related to storm-recovery bonds and the effects of the Florida Public Service Commission (FPSC) rate order as well as the prior rate agreement.No authoritative reference available.falsefalseRevenues and Rates6false0nee_ElectricPlantDepreciationAmortizationPolicyTextBlockneefalsenadurationDescribes the accounting and regulatory policies used to systematically allocate capitalized costs to periods of benefit. May...falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00<div style="TEXT-I NDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-FAMILY: Arial, sans-serif; FONT-SIZE: 9pt"><font style="FONT-STYLE: italic; DISPLAY: inline">Electric Plant, Depreciation and Amortization</font> - The cost of additions to units of property of FPL and NextEra Energy Resources is added to electric utility plant.  In accordance with regulatory accounting, the cost of FPL's units of utility property retired, less estimated net salvage value, is charged to accumulated depreciation.  Maintenance and repairs of property as well as replacements and renewals of items determined to be less than units of utility property are charged to other operations and maintenance (O&M) expenses.  At December 31, 2010, the electric generating, transmission, distribution and general facilities of FPL represented approximately 47%, 12%, 37% and 4%, respectively, of FPL's gross investment in electric utility plant in service.  Substantially all of FPL's properties are subject to the lien of FPL's mortgage, which secures most debt securities issued by FPL.  A number of NextEra Energy Resources' generating facilities are encumbered by liens securing various financings.  The net book value of NextEra Energy Resources' assets serving as collateral was approximately $8 billion at December 31, 2010.  The American Recovery and Reinvestment Act of 2009, as amended (Recovery Act) provided for an option to elect a cash grant (convertible ITCs) for certain renewable energy property (renewable property).  Convertible ITCs are recorded as a reduction in property, plant and equipment on NextEra Energy's and FPL's consolidated balance sheets and are amortized as a reduction to depreciation and amortization expense over the estimated life of the related property.  During 2010 and 20 09, NextEra Energy recorded convertible ITCs of approximately $1 billion ($186 million at FPL) and $517 million ($44 million at FPL), respectively, of which $429 million ($124 million at FPL) and $417 million ($44 million at FPL) are included in other receivables on NextEra Energy's and FPL's consolidated balance sheets at December 31, 2010 and 2009, respectively.</font></div><div style="TEXT-INDENT: 0pt; DISPLAY: block"><br /></div><div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-FAMILY: Arial, sans-serif; FONT-SIZE: 9pt">Depreciation of FPL's electric property is primarily provided on a straight-line average remaining life basis.  FPL includes in depreciation expense a provision for fossil plant dismantlement, nuclear plant decommissioning (see Decommissioning of Nuclear Plants, Dismantlement of Plants and Other Accrued Asset Removal Costs) and amortizati on of pre-construction costs associated with planned nuclear units recovered through a cost recovery clause.  For substantially all of FPL's property, depreciation studies are performed and filed with the FPSC at least every four years.  As part of the FPSC rate order, the FPSC approved new depreciation rates which became effective January 1, 2010.  In addition, in accordance with the 2010 rate agreement, FPL can vary the amount of surplus depreciation credit taken in any calendar year up to a maximum of $267 million (with any unused portion of the maximum rolling over to and available in subsequent years), provided its regulatory ROE remains within the range of 9% to 11%; FPL may use up to a maximum of $776 million in surplus depreciation credit over the course of the 2010 rate agreement.  As of December 31, 2010, approximately $772 million of the surplus depreciation credit cap remains.  Under the te rms of the 2005 rate agreement, FPL's electric property depreciation rates were based upon the comprehensive depreciation studies it filed with the FPSC in March 2005; however FPL reduced depreciation by $125 million annually as was allowed by the 2005 rate agreement.  The weighted annual composite depreciation rate for FPL's electric plant in service, including capitalized software, but excluding the effects of decommissioning, dismantlement and the depreciation adjustments discussed above, was approximately 3.2% for 2010 and 3.6% for both 2009 and 2008.  NextEra Energy Resources' electric plants in service less salvage value, if any, are depreciated primarily using the straight-line method over their estimated useful lives.  NextEra Energy Resources' effective depreciation rates, excluding decommissioning, were 4.4%, 4.2% and 4.3% for 2010, 2009 and 2008, respectively.</font></div><div style="TEXT-INDENT: 0pt; DISPLAY: block"><br /& gt;</div>Electric Plant, Depreciation and Amortization - The cost of additions to units of property of FPL and NextEra Energy Resources is added to electric utilityfalsefalsefalsefalsefalseOtherus-types:textBlockItemTypestringDescribes the accounting and regulatory policies used to systematically allocate capitalized costs to periods of benefit. May include descriptions of regulatory treatment for: estimated removal and disposal costs, which could result in recording asset retirement obligations or regulatory liabilities. The amortization of plant-related regulatory assets could also be described. May also include the accounting treatment of cash grants (convertible ITCs) for certain renewable energy property.No authoritative reference available.falsefalseElectric Plant, Depreciation and Amortization7false0nee_NuclearFuelPolicyTextBlockneefalsenadurationDescribes the entity's accounting policy for nuclear fuel costs.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1falsefalsefalse00<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-FAMILY: Arial, sans-serif; FONT-SIZE: 9pt"><font style="FONT-STYLE: italic; DISPLAY: inline">Nuclear Fuel</font> - FPL and NextEra Energy Resources have several contracts for the supply of uranium, conversion, enrichment and fabrication of nuclear fuel.  See Note 14 - Contracts.  FPL's and NextEra Energy Resources' nuclear fuel costs are charged to fuel expense on a unit of production method.&a mp;#160; See Note 9 - FPL regarding the leasing of nuclear fuel from a consolidated variable interest entity (VIE) by FPL prior to March 2010.</font></div>Nuclear Fuel - FPL and NextEra Energy Resources have several contracts for the supply of uranium, conversion, enrichment and fabrication of nuclearfalsefalsefalsefalsefalseOtherus-types:textBlockItemTypestringDescribes the entity's accounting policy for nuclear fuel costs.No authoritative reference available.falsefalseNuclear Fuel8false0nee_ConstructionActivityPolicyTextBlockneefalsenadurationDescribes the accounting for AFUDC (allowance for funds used during construction). Also describes the construction policies...falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-FAMILY: Arial, sans-serif; FONT-SIZE: 9pt"><font style="FONT-STYLE: italic; DISPLAY: inline">Construction Activity</font> - Allowance for funds used during construction (AFUDC) is a non-cash item which represents the allowed cost of capital, including an ROE, used to finance FPL construction projects.  The portion of AFUDC attributable to borrowed funds is recorded as a reduction of interest expense and the remainder is recorded as other income.  FPSC rules limit the recording of AFUDC to projects that cost in excess of 0.5% of a utility's plant in service balance and require more than one year to complete.  FPSC rul es allow construction projects below the 0.5% threshold as a component of rate base.  During the period January 2010 through March 2010 and during April 2010 through December 2010, AFUDC was capitalized at a rate of 7.41% and 6.41%, respectively, and amounted to approximately $50 million for the year.  During 2009 and 2008, AFUDC was capitalized at a rate of 7.41% and 7.65%, respectively, and amounted to approximately $74 million and $53 million, respectively.  See Note 14 - Commitments.</font></div><div style="TEXT-INDENT: 0pt; DISPLAY: block"><br /></div><div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-FAMILY: Arial, sans-serif; FONT-SIZE: 9pt">FPL's construction work in progress includes construction materials, progress payments on major equipment contracts, third-party engineering costs, AFUDC and other costs directly associated with the construction of various projects.  Upon completion of the projects, these costs are transferred to electric utility plant in service.  Capitalized costs associated with construction activities are charged to O&M expenses when recoverability is no longer probable.  See Regulation above for information on recovery of costs associated with new nuclear capacity and solar generating facilities.</font></div><div style="TEXT-INDENT: 0pt; DISPLAY: block"><br /></div><div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-FAMILY: Arial, sans-serif; FONT-SIZE: 9pt">NextEra Energy Resources capitalizes project development costs once it is probable that such costs will be realized through the ultimate construction of a power plant or sale of development rights.  At December 31, 2010 and 2009, N extEra Energy Resources' capitalized development costs totaled approximately $99 million and $56 million, respectively, which are included in other assets on NextEra Energy's consolidated balance sheets.  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 O&M expenses when recoverability is no longer probable.</font></div><div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-FAMILY: Arial, sans-serif; FONT-SIZE: 9pt"></font> </div><div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font sty le="DISPLAY: inline; FONT-FAMILY: Arial, sans-serif; FONT-SIZE: 9pt">NextEra Energy Resources' construction work in progress includes construction materials, prepayments on turbine generators and other equipment, third-party engineering costs, capitalized interest and other costs directly associated with the construction and development of the project.  Interest capitalized on construction projects amounted to approximately $71 million, $85 million and $55 million during 2010, 2009 and 2008, respectively.  Interest expense allocated from NextEra Energy Capital Holdings, Inc. (Capital Holdings), formerly known as FPL Group Capital Inc, to NextEra Energy Resources is based on a deemed capital structure of 70% debt.  Upon commencement of plant operation, costs associated with construction work in progress are transferred to electric utility plant in service and other property.</font></div><div style="TEXT-INDENT: 0pt; DISPLAY: block">< ;br /></div>Construction Activity - Allowance for funds used during construction (AFUDC) is a non-cash item which represents the allowed cost of capital, including an ROE,falsefalsefalsefalsefalseOtherus-types:textBlockItemTypestringDescribes the accounting for AFUDC (allowance for funds used during construction). Also describes the construction policies of the company's wholly owned rate-regulated public utility and the non-regulated indirect subsidiary.No authoritative reference available.falsefalseConstruction Activity9false0nee_AssetRetirementObligationsPolicyTextBlockneefalsenadurationAccounting policy for determining amounts to accrue and charge against earnings so as to satisfy legal obligations associated...falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-FAMILY: Arial, sans-serif; FONT-SIZE: 9pt"><font style="FONT-STYLE: italic; DISPLAY: inline">Asset Retirement Obligations </font>- NextEra Energy and FPL each account for asset retirement obligations and conditional asset retirement obligations (collectively, AROs) under accounting guidance that requires a liability for the fair value of an ARO to be recognized in the period in which it is incurred if it can be reasonably estimated, with the offsetting associated asset retirement costs capitalized as part of the carrying amount of the long-lived assets.  The asset retirement cost is subsequently allocated to expense using a systematic and rational method over the asset’s estimated useful life.  Changes in the ARO resulting from the passage of time are recognized as an increase in the carrying amount of the liability and as accretion expense, which is included in depreciation and amortization expense in the consolidated statements of income.  Changes resulting from revisions to the timing or amount of the original estimate of cash flows are recognized as an increase or a decrease in the asset retirement cost and ARO and regulatory liability, in the case of FPL.  See Decommissioning of Nuclear Plants, Dismantlement of Plants and Other Accrued Asset Removal Costs below and Note 13.</font></div>Asset Retirement Obligations - NextEra Energy and FPL each account for asset retirement obligations and conditional asset retirement obligations (collectively,falsefalsefalsefalsefalseOtherus-types:textBlockItemTypestringAccounting policy for determining amounts to accrue and charge against earnings so as to satisfy legal obligations associated with the retirement (through sale, abandonment, recycling, or disposal in some other manner) of a tangible long-lived asset that result from the acquisition, construction, or development and (or) the normal operation of a long-lived asset.No authoritative reference available.falsefalseAsset Retirement Obligations10false0nee_AccruedAssetRemovalCostsPolicyTextBlockneefalsenadurationDescribes the entity's accounting policy for accruing the cost of end of life retirement and disposal of nuclear and fossil...falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse 00<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-FAMILY: Arial, sans-serif; FONT-SIZE: 9pt"><font style="FONT-STYLE: italic; DISPLAY: inline">Decommissioning of Nuclear Plants, Dismantlement of Plants and Other Accrued Asset Removal Costs</font> - For ratemaking purposes, FPL accrues for the cost of end of life retirement and disposal of its nuclear, fossil and solar plants over the expected service life of each unit based on nuclear decommissioning and fossil and solar dismantlement studies periodically filed with the FPSC.  In addition, FPL accrues for interim removal costs over the life of the related assets based on depreciation studies approved by the FPSC.  As approved by the FPSC, FPL previously suspended its annual decommissioning accrual.  For fi nancial reporting purposes, FPL recognizes decommissioning and dismantlement liabilities in accordance with accounting guidance that requires a liability for the fair value of an ARO to be recognized in the period in which it is incurred.  Any differences between expense recognized for financial reporting purposes and the amount recoverable through rates are reported as a regulatory liability in accordance with regulatory accounting.  See Electric Plant, Depreciation and Amortization, Asset Retirement Obligations and Note 13.</font></div><div style="TEXT-INDENT: 0pt; DISPLAY: block"><br /></div><div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-FAMILY: Arial, sans-serif; FONT-SIZE: 9pt">Nuclear decommissioning studies are performed at least every five years and are submitted to the FPSC for approval.  FPL filed updated nucl ear decommissioning studies with the FPSC in December 2010.  These studies reflect FPL's current plans, under the operating licenses, for prompt dismantlement of Turkey Point Units Nos. 3 and 4 following the end of plant operation with decommissioning activities commencing in 2032 and 2033, respectively, and provide for St. Lucie Unit No. 1 to be mothballed beginning in 2036 with decommissioning activities to be integrated with the prompt dismantlement of St. Lucie Unit No. 2 at the end of its useful life in 2043.  These studies also assume that FPL will be storing spent fuel on site pending removal to a U.S. government facility.  The studies indicate FPL's portion of the ultimate costs of decommissioning its four nuclear units, including costs associated with spent fuel storage above what is expected to be refunded by the U.S. Department of Energy (DOE) under a spent fuel settlement agreement, to be approximately $6.2 billion.   FPL's portion of the ultimate cost of decommissioning its four units, expressed in 2010 dollars, is estimated by the studies to aggregate $2.3 billion.</font></div><div style="TEXT-INDENT: 0pt; DISPLAY: block"><br /></div><div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-FAMILY: Arial, sans-serif; FONT-SIZE: 9pt">Restricted funds for the payment of future expenditures to decommission FPL's nuclear units are included in nuclear decommissioning reserve funds, which are included in special use funds on NextEra Energy's and FPL's consolidated balance sheets.  Marketable securities held in the decommissioning funds are classified as available for sale and are carried at fair value with market adjustments, including any other than temporary impairment losses, resulting in a corresponding adjustment to the related regulatory liability accounts consistent with regu latory treatment.  See Note 5.  Contributions to the funds have been suspended since 2005.  Fund earnings, net of taxes, are reinvested in the funds.  Earnings are recognized as income/loss and an offset is recorded to reflect a corresponding increase/decrease in the related regulatory liability accounts.  As a result, there is no effect on net income.  During 2010, 2009 and 2008, fund earnings on decommissioning funds were approximately $76 million, $81 million and $63 million, respectively.  The tax effects of amounts not yet recognized for tax purposes are included in accumulated deferred income taxes.</font></div><div style="TEXT-INDENT: 0pt; DISPLAY: block"><br /></div><div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-FAMILY: Arial, sans-serif; FONT- SIZE: 9pt">Fossil and solar plant dismantlement studies are performed at least every four years and are submitted to the FPSC for approval.  FPL's latest fossil and solar plant dismantlement studies became effective January 1, 2010 and resulted in an increase in the annual expense from $15 million to $18 million which is recorded in depreciation and amortization expense in NextEra Energy's and FPL's consolidated statements of income.  At December 31, 2010, FPL's portion of the ultimate cost to dismantle its fossil and solar units is approximately $860 million, or $455 million expressed in 2010 dollars.</font></div><div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-FAMILY: Arial, sans-serif; FONT-SIZE: 9pt"></font> </div><div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify">< ;font style="DISPLAY: inline; FONT-FAMILY: Arial, sans-serif; FONT-SIZE: 9pt">NextEra Energy Resources records nuclear decommissioning liabilities for Seabrook Station (Seabrook), Duane Arnold Energy Center (Duane Arnold) and Point Beach Nuclear Power Plant (Point Beach) in accordance with accounting guidance that requires a liability for the fair value of an ARO to be recognized in the period in which it is incurred.  The liability is being accreted using the interest method through the date decommissioning activities are expected to be complete.  See Note 13.  At December 31, 2010 and 2009, NextEra Energy Resources' ARO related to nuclear decommissioning totaled approximately $478 million and $518 million, respectively, and was determined using various internal and external data and applying a probability percentage to a variety of scenarios regarding the life of the plant and timing of decommissioning.  NextEra En ergy Resources' portion of the ultimate cost of decommissioning its nuclear plants, including costs associated with spent fuel storage above what is expected to be refunded by the DOE under a spent fuel settlement agreement, is estimated to be approximately $9.5 billion, or $1.8 billion expressed in 2010 dollars.</font></div><div style="TEXT-INDENT: 0pt; DISPLAY: block"><br /></div><div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-FAMILY: Arial, sans-serif; FONT-SIZE: 9pt">Seabrook's decommissioning funding plan is based on a comprehensive nuclear decommissioning study filed with the New Hampshire Nuclear Decommissioning Financing Committee (NDFC) in 2007 and is effective for four years.  Currently, there are no ongoing decommissioning funding requirements for Duane Arnold and Point Beach, however, the U.S. Nuclear Regulatory Commission (NRC) has the authority to req uire additional funding in the future.  NextEra Energy Resources' portion of Seabrook's, Duane Arnold's and Point Beach's restricted funds for the payment of future expenditures to decommission these plants is included in nuclear decommissioning reserve funds, which are included in special use funds on NextEra Energy's consolidated balance sheets.  Marketable securities held in the decommissioning funds are classified as available for sale and are carried at fair value.  Market adjustments result in a corresponding adjustment to other comprehensive income (OCI), except for unrealized losses associated with marketable securities considered to be other than temporary, including any credit losses, which are recognized as other than temporary impairment losses on securities held in nuclear decommissioning funds in NextEra Energy's consolidated statements of income.  Fund earnings are recognized in income and are reinvested in the funds eithe r on a pretax or after-tax basis.  See Note 5.  The tax effects of amounts not yet recognized for tax purposes are included in accumulated deferred income taxes.</font></div><div style="TEXT-INDENT: 0pt; DISPLAY: block"><br /></div>Decommissioning of Nuclear Plants, Dismantlement of Plants and Other Accrued Asset Removal Costs - For ratemaking purposes, FPL accrues for the cost of end offalsefalsefalsefalsefalseOtherus-types:textBlockItemTypestringDescribes the entity's accounting policy for accruing the cost of end of life retirement and disposal of nuclear and fossil plants and for interim removal costs over the life of the related assets.No authoritative reference available.falsefalseDecommissioning of Nuclear Plants, Dismantlement of Plants and Other Accrued Asset Removal Costs11false0nee_MajorMaintenanceCostsPolicyTextBlockneefalsenadurationDescribes the entity's accounting policies for recognizing costs associated with planned major maintenance projects,...falsefalsefalsefalsefals efalsefalsefalsefalsefalseverboselabel1falsefalsefalse00<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-FAMILY: Arial, sans-serif; FONT-SIZE: 9pt"><font style="FONT-STYLE: italic; DISPLAY: inline">Major Maintenance Costs</font> - FPL uses the accrue-in-advance method for recognizing costs associated with planned major nuclear maintenance, in accordance with regulatory treatment, and records the related accrual as a regulator y liability.  FPL expenses costs associated with planned fossil maintenance as incurred.  FPL's estimated nuclear maintenance costs for each nuclear unit's next planned outage are accrued over the period from the end of the last outage to the end of the next planned outage.  Any difference between the estimated and actual costs is included in O&M expenses when known.  The accrued liability for nuclear maintenance costs at December 31, 2010 and 2009 totaled approximately $58 million and $47 million, respectively, and is included in regulatory liabilities - other.  For the years ended December 31, 2010, 2009 and 2008, FPL recognized approximately $100 million, $84 million and $75 million, respectively, in nuclear maintenance costs which are included in O&M expenses in NextEra Energy's and FPL's consolidated statements of income.</font></div><div style="TEXT-INDENT: 0pt; DIS PLAY: block"><br /></div><div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-FAMILY: Arial, sans-serif; FONT-SIZE: 9pt">NextEra Energy Resources uses the deferral method to account for certain planned major maintenance costs.  NextEra Energy Resources' major maintenance costs for its nuclear generating units and combustion turbines are capitalized and amortized on a unit of production method over the period from the end of the last outage to the beginning of the next planned outage.  NextEra Energy Resources' capitalized major maintenance costs, net of accumulated amortization, totaled approximately $95 million and $106 million at December 31, 2010 and 2009, respectively, and are included in other assets.  For the years ended December 31, 2010, 2009 and 2008, NextEra Energy Resources recognized approximately $88 million, $73 milli on and $57 million in major maintenance costs which are included in O&M expenses in NextEra Energy's consolidated statements of income.</font></div><div style="TEXT-INDENT: 0pt; DISPLAY: block"><br /></div>Major Maintenance Costs - FPL uses the accrue-in-advance method for recognizing costs associated with planned major nuclear maintenance, in accordance withfalsefalsefalsefalsefalseOtherus-types:textBlockItemTypestringDescribes the entity's accounting policies for recognizing costs associated with planned major maintenance projects, including nuclear, fossil, and combustion turbine maintenance.No authoritative reference available.falsefalseMajor Maintenance Costs12false0us-gaap_CashAndCashEquivalentsPolicyTextBlockus-gaaptruenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalselabel1falsefalsefalse00<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-FAMILY: Arial, sans-serif; FONT-SIZE: 9pt"><font style="FONT-STYLE: italic; DISPLAY: inline">Cash Equivalents</font> - Cash equivalents consist of short-term, highly liquid investments with original maturities of three months or less.</font></div>Cash Equivalents - Cash equivalents consist of short-term, highly liquid investments with original maturities of three months or less.falsefalsefalsefalsefalseOtherus-types:textBlockItemTypestringA description of a company's cash and cash equivalents accounting policy. An entity shall disclose its policy for determining which items are treated as cash equivalents. Other information that may be disclosed includes (1) the nature of any restrictions on the entity's use of its cash and cash equivalents, (2) whether the entity's cash and cash equivalents are insured or expose the entity to credit risk, (3) the classification of any negative balance accounts (overdrafts), and (4) the carrying basis of cash equivalents (for example, at cost) and whether the carrying amount of cash equivalents approximates fair value. Cash includes currency on hand as well as demand deposits wit h banks or financial institutions. It also includes other kinds of accounts that have the general characteristics of demand deposits in that the customer may deposit additional funds at any time and also effectively may withdraw funds at any time without prior notice or penalty. In addition, cash equivalents include short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Generally, only investments with original maturities of three months or less qualify under that definition. Original maturity means original maturity to the entity holding the investment. For example, both a three-month US Treasury bill and a three-year Treasury note purchased three months from maturity qualify as cash equivalents. However, a Treasury note purchased three-years ago does not become a cash equivalent when its remaining maturity is three months. For a bank, may include explanation and amount of requirement to maintain reserves against deposits.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Financial Reporting Release (FRR) -Number 203 -Paragraph 02-03 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 1 -Article 5 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 7, 8, 9, 10 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Technical Practice Aid (TPA) -Number 2110 -Paragraph 6 falsefalseCash Equivalents13false0nee_RestrictedCashPolicyTextBlockneefalsenadurationAccounting policy with respect to restricted cash balances. An entity shall disclose its policy for determining which items...falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-FAMILY: Arial, sans-serif; FONT-SIZE: 9pt"><font style="FONT-STYLE: italic; DISPLAY: inline">Restricted Cash</font> - At December 31, 2010 and 2009, NextEra Energy had approximately $111 million ($39 million for FPL) and $134 million ($33 million for FPL), respectively, of restricted cash included in other current assets on NextEra Energy's and FPL's consolidated balance sheets, which is restricted primarily for margin cash collateral and debt service payments.  Where offsetting positions exist, restricted cash related to margin cash collateral is netted against derivative instruments. &#1 60;See Note 3.</font></div><div style="TEXT-INDENT: 0pt; DISPLAY: block"><br /></div>Restricted Cash - At December 31, 2010 and 2009, NextEra Energy had approximately $111 million ($39 million for FPL) and $134 million ($33 million forfalsefalsefalsefalsefalseOtherus-types:textBlockItemTypestringAccounting policy with respect to restricted cash balances. An entity shall disclose its policy for determining which items are treated as restricted cash , including (1) the nature of any restrictions on the entity's use o f its restricted cash, and (2) the carrying basis of restricted cash and whether it approximates fair value.No authoritative reference available.falsefalseRestricted Cash14false0nee_ReceivablesTradeAndOtherAccountsReceivableAllowanceForDoubtfulAccountsPolicyTextBlockneefalsenadurationDescribes how an entity determines the level of its allowance for doubtful accounts for its trade and other accounts...falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-FAMILY: Arial, sans-serif; FONT-SIZE: 9pt"><font style="FONT-STYLE: italic; DISPLAY: inline">Allowance for Doubtful Accounts</font> - FPL maintains an accumulated provision for uncollectible customer accounts receivable that is estimated using a percentage, derived from historical revenue and write-off trends, of the previous five months of revenue.  Additional amounts are included i n the provision to address specific items that are not considered in the calculation described above.  NextEra Energy Resources regularly reviews collectibility of its receivables and establishes a provision for losses estimated as a percentage of accounts receivable based on the historical bad debt write-off trends for its retail electricity provider operations and, when necessary, using the specific identification method for all other receivables.</font></div>Allowance for Doubtful Accounts - FPL maintains an accumulated provision for uncollectible customer accounts receivable that is estimated using a percentage,falsefalsefalsefalsefalseOtherus-types:textBlockItemTypestringDescribes how an entity determines the level of its allowance for doubtful accounts for its trade and other accounts receivable balances, and when impairments, charge-offs or recoveries are recognized. The description should identify the factors that influenced management of the entity in establishing the level of the allowance (for example, historical losses and existing economic conditions) and may also include discussion of the risk elements relevant to particular categories of receivables.No authoritative reference available.falsefalseAllowance for Doubtful Accounts15false0us-gaap_InventoryPolicyTextBlockus-gaaptruenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalselabel1falsefalsefalse00<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-FAMILY: Arial, sans-se rif; FONT-SIZE: 9pt"><font style="FONT-STYLE: italic; DISPLAY: inline">Inventory</font> - FPL values materials, supplies and fossil fuel inventory using a weighted-average cost method.  NextEra Energy Resources' materials, supplies and fossil fuel inventories are carried at the lower of weighted-average cost or market, unless evidence indicates that the weighted-average cost (even if in excess of market) will be recovered with a normal profit upon sale in the ordinary course of business.</font></div>Inventory - FPL values materials, supplies and fossil fuel inventory using a weighted-average cost method.  NextEra Energy Resources' materials,falsefalsefalsefalsefalseOtherus-types:textBlockItemTypestringDescribes an entity's accounting policies covering its major classes of inventories, bases of stating inventories (for example lower of cost or market), methods by which amounts are added and removed from inventory classes (for example FIFO, LIFO, or average cost), loss recognition on impairment of inventories, and situations in which inventories are stated above cost. If inventory is carried at cost, this description includes the nature of the cost elements included in inventory.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Financial Reporting Release (FRR) -Number 206 -Chapter 2 -Paragraph b -Subparagraph i, ii Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 43 -Chapter 4 -Paragraph 3, 5-10, 15, 16, 17 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 6 -Subparagraph a -Article 5 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 43 -Chapter 3 -Section A -Paragraph 9 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Statement of Position (SOP) -Number 81-1 -Paragraph 69-75 falsefalseInventory16false0nee_EnergyTradingPolicyTextBlockneefalsenadurationDescribes the entity's accounting policy for energy trading and trading contracts including an entity's accounting policy for...falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-FAMILY: Arial, sans-serif; FONT-SIZE: 9pt"><font style="FONT-STYLE: italic; DISPLAY: inline">Energy Trading</font> - NextEra Energy provides full energy and capacity requirements services primarily to distribution utilities, which include load-following services and various ancillary services, in certain markets and engages in power and gas marketing and trading activities to optimize the value of electricity and fuel contracts and generating facilities, as well as to take advantage of expected favorable commodity price movements.  Trading contracts that meet the definition of a derivative are accounted for at fair v alue and realized gains and losses from all trading contracts, including those where physical delivery is required, are recorded net for all periods presented.  See Note 3.</font></div><div style="TEXT-INDENT: 0pt; DISPLAY: block"><br /></div>Energy Trading - NextEra Energy provides full energy and capacity requirements services primarily to distribution utilities, which include load-followingfalsefalsefalsefalsefalseOtherus-types:textBlockItemTypestringDescribes the entity's accounting policy for energy t rading and trading contracts including an entity's accounting policy for offsetting or not offsetting fair value amounts recognized for derivative instruments against such amounts recognized for the right to reclaim cash collateral (a receivable) or the obligation to return cash collateral (a payable) arising from derivative instruments recognized at fair value.No authoritative reference available.falsefalseEnergy Trading17false0nee_StormPolicyTextBlockneefalsenadurationDescribes and entity's accounting policy for regulatory assets and liabilities associated with storm costs.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-FAMILY: Arial, sans-serif; FONT-SIZE: 9pt"><font style="FONT-STYLE: italic; DISPLAY: inline">Securitized Storm-Recovery Costs, Storm Fund and Storm Reserve</font> - In connection with the 2007 storm-recovery bond financing (se e Note 9 - FPL), the net proceeds to FPL from the sale of the storm-recovery property were used primarily to reimburse FPL for its estimated net of tax deficiency in its storm and property insurance reserve (storm reserve) and provide for a storm and property insurance reserve fund (storm fund).  Upon the issuance of the storm-recovery bonds, the storm reserve deficiency was reclassified to securitized storm-recovery costs and is recorded as a regulatory asset on NextEra Energy's and FPL's consolidated balance sheets.  As storm-recovery charges are billed to customers, the securitized storm-recovery costs are amortized, the amount of which is included in depreciation and amortization on NextEra Energy's and FPL's consolidated statements of income.  Marketable securities held in the storm fund are classified as available for sale and are carried at fair value with market adjustments, including any other than temporary impairment losses, resulting in a corr esponding adjustment to the storm reserve.  Fund earnings, net of taxes, are reinvested in the fund.  The tax effects of amounts not yet recognized for tax purposes are included in accumulated deferred income taxes.  The storm fund is included in special use funds on NextEra Energy's and FPL's consolidated balance sheets and was approximately $125 million and $123 million at December 31, 2010 and 2009, respectively.  See Note 5.</font></div><div style="TEXT-INDENT: 0pt; DISPLAY: block"><br /></div><div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-FAMILY: Arial, sans-serif; FONT-SIZE: 9pt">The storm reserve that was reestablished in an FPSC financing order related to the issuance of the storm-recovery bonds is not reflected in NextEra Energy's and FPL's consolidated balance sheets as of December 3 1, 2010 or 2009 because the associated regulatory asset does not meet the specific recognition criteria under regulatory accounting guidance.  As a result, the storm reserve will be recognized as a regulatory liability as the storm-recovery charges are billed to customers and charged to depreciation and amortization on NextEra Energy's and FPL's consolidated statements of income.  Although NextEra Energy's and FPL's consolidated balance sheets as of December 31, 2010 reflect a storm reserve of approximately $43 million (included in regulatory liabilities - other on NextEra Energy's and FPL's consolidated balance sheets), FPL had the capacity to absorb up to approximately $205 million in future prudently incurred storm restoration costs without seeking recovery through a rate adjustment from the FPSC or filing a petition with the FPSC.</font></div><div style="TEXT-INDENT: 0pt; DISPLAY: block"><br /></div>Securitized Storm-Recovery Costs, Storm Fund and Storm Reserve - In connection with the 2007 storm-recovery bond financing (see Note 9 - FPL), the net proceedsfalsefalsefalsefalsefalseOtherus-types:textBlockItemTypestringDescribes and entity's accounting policy for regulatory assets and liabilities associated with storm costs.No authoritative reference available.falsefalseSecuritized Storm-Recovery Costs, Storm Fund and Storm Reserve18 false0us-gaap_ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlockus-gaaptruenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalselabel1falsefalsefalse00<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-FAMILY: Arial, sans-serif; FONT-SIZE: 9pt"><font style="FONT-STYLE: italic; DISPLAY: inline">Impairment of Long-Lived Assets</font> - NextEra Energy evaluates on an ongoing basis the recoverability of its assets for impairment whenever events or changes in circumstances indicate that the carrying amount may not be recoverable.  An impairment loss is required to be recognized if the carrying value of the asset exceeds the undiscounted future net cash flows associated with that asset.  The impairment loss to be recognized is the amount by which the carrying value of the long-lived asset exceeds the asset's fair value.  In most instances, the fair value is determined by discounting estimated future cash flows using an appropriate interest rate.</font></div>Impairment of Long-Lived Assets - NextEra Energy evaluates on an ongoing basis the recoverability of its assets for impairment whenever events or changes infalsefalsefalsefalsefalseOtherus-types:textBlockItemTypestringDescribes an entity's accounting policy for recognizing and measuring the impairment of long-lived assets. An entity also may disclose its accounting policy for long-lived assets to be sold. This policy excludes goodwill and intangible assets.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 5 -Section CC -Subsection 3 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 144 -Paragraph 7-15, 26, 30-37 falsefalseImpairment of Long-Lived Assets19false0us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlockus-gaaptruenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalselabel1falsefalsefalse00<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-FAMILY: Arial, sans-serif; FONT-SIZE: 9pt">NextEra Energy Resources has recorded goodwill related to various acquisitions which were accounted for using the purchase method of accounting.  NextEra Energy Resources' other intangible assets are amortized, primarily on a straight-line basis, over their estimated useful lives.  For the years ended December 31, 2010, 2009 and 2008, amortization expense was approximately $18 million, $14 million and $13 million, respectively, and is expected to be approximately $14 million, $13 million, $10 million, $8 million and $6 million for 2011, 2012, 2013, 2014 and 2015, respectively.</font></div><div style="TEXT-INDENT : 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-FAMILY: Arial, sans-serif; FONT-SIZE: 9pt">NextEra Energy Resources' goodwill and other intangible assets are included in other assets on NextEra Energy's consolidated balance sheets.  Goodwill is assessed for impairment at least annually by applying a fair value-based test.  Other intangible assets are periodically reviewed when impairment indicators are present to assess recoverability from future operations using undiscounted future cash flows.</font></div>NextEra Energy Resources has recorded goodwill related to various acquisitions which were accounted for using the purchase method offalsefalsefalsefalsefalseOtherus-types:textBlockItemTypestringDescribes an entity's accounting policy for goodwill and intangible assets. This accounting policy also may address how an entity assesses and measures impairment of goodwill and intangible assets.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 144 -Paragraph 7-18, 22 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 4, 11-23, 26, 34 falsefalseGoodwill and Other Intangible Assets20false0nee_NetPeriodicBenefitIncomeCostPolicyTextBlockneefalsenadurationDescribes the entity's accounting policy for allocating net periodic pension benefit (income) cost to its subsidiaries, based...falsefalsefalsefalsefalsefalsefalsefalsefalsefalsev erboselabel1falsefalsefalse00<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-FAMILY: Arial, sans-serif; FONT-SIZE: 9pt"><font style="FONT-STYLE: italic; DISPLAY: inline">Pension and Other Postretirement Plans</font> - NextEra Energy allocates net periodic pension benefit income to its subsidiaries based on the pensionable earnings of the subsidiaries' employees; net periodic supplemental executive retirement plan (SERP) benefit costs to its subsidiaries based upon actuarial calculations by participant; and postretirement health care and life insurance benefits (other benefits) net periodic benefit costs to its subsidiaries based upon the number of eligible employees at each subsidiary.</font></div><div style="TEXT-INDENT: 0pt; DISPLAY: block"><br /></div><div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-FAMILY: Arial, sans-serif; FONT-SIZE: 9pt">NextEra Energy's regulatory assets and liabilities were established in association with the implementation of accounting guidance in a prior year which requires recognition of the funded status of benefit plans in the balance sheet, with changes in the funded status recognized in comprehensive income within shareholders' equity in the year in which the changes occur.  Since NextEra Energy is the plan sponsor, and its subsidiaries do not have separate rights to the plan assets or direct obligations to their employees, the results of implementing the accounting guidance were reflected at NextEra Energy and not allocated to the subsidiaries.  The portion of previously unreco gnized actuarial gains and losses, prior service costs or credits and transition obligations that were estimated to be allocable to FPL as net periodic benefit (income) cost in future periods and that otherwise would have been recorded in accumulated other comprehensive income (AOCI) were classified as regulatory assets and liabilities at NextEra Energy in accordance with regulatory treatment.</font></div><div style="TEXT-INDENT: 0pt; DISPLAY: block"><br /></div>Pension and Other Postretirement Plans - NextEra Energy allocates net periodic pension benefit income to its subsidiaries based on the pensionable earnings offalsefalsefalsefalsefalseOtherus-types:textBlockItemTypestringDescribes the entity's accounting policy for allocating net periodic pension benefit (income) cost to its subsidiaries, based on the defined benefit plan offered, and the regulatory assets and liabilities which were established in association with the implementation of accounting guidance in a prior year.No authoritative reference available.falsefalsePension and Other Postretirement Plans21false0nee_ShareBasedCompensationOptionAndIncentivePlansPolicyTextBlockneefalsenadurationDescribes the entity's accounting pol icy for stock-based payment transactions, how stock compensation is measured, and the...falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-FAMILY: Arial, sans-serif; FONT-SIZE: 9pt"><font style="FONT-S TYLE: italic; DISPLAY: inline">Stock-Based Compensation </font>- NextEra Energy accounts for stock-based payment transactions based on grant-date fair value.  Compensation costs for awards with graded vesting are recognized on a straight-line basis over the requisite service period for the entire award.  See Note 11 - Stock-Based Compensation.</font></div>Stock-Based Compensation - NextEra Energy accounts for stock-based payment transactions based on grant-date fair value.  Compensation costs forfalsefalsefalsefalsefalseOtherus-types:textBlockItemT ypestringDescribes the entity's accounting policy for stock-based payment transactions, how stock compensation is measured, and the methodologies used to determine that measurement.No authoritative reference available.falsefalseStock-Based Compensation22false0nee_RetirementOfLongTermDebtPolicyTextBlockneefalsenadurationDescribes the entity's accounting policy for the retirement of long-term debt.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-FAMILY: Arial, sans-serif; FONT-SIZE: 9pt"><font style="FONT-STYLE: italic; DISPLAY: inline">Retirement of Long-Term Debt</font> - Gains and losses that result from differences in FPL's reacquisition cost and the book value of long-term debt which is retired are deferred as a regulatory asset or liability and amortized to interest expens e ratably over the remaining life of the original issue, which is consistent with its treatment in the ratemaking process.  Capital Holdings recognizes such differences as other income (deductions) at the time of retirement.</font></div><div style="TEXT-INDENT: 0pt; DISPLAY: block"><br /></div>Retirement of Long-Term Debt - Gains and losses that result from differences in FPL's reacquisition cost and the book value of long-term debt which is retiredfalsefalsefalsefalsefalseOtherus-types:textBlockItemTypestringDescr ibes the entity's accounting policy for the retirement of long-term debt.No authoritative reference available.falsefalseRetirement of Long-Term Debt23false0us-gaap_IncomeTaxPolicyTextBlockus-gaaptruenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-FAMILY: Arial, sans-serif; FONT-SIZE: 9pt"><font style="FONT-STYLE: italic; DISPLAY: inline">Income Taxes</font> - Deferred income taxes are provided on all significant temporary differences between the financial statement and tax bases of assets and liabilities.  In connection with the tax sharing agreement between NextEra Energy and its subsidiaries, the income tax provision at each subsidiary reflects the use of the "separate return method," except that tax benefits that could not be used on a separate return basis, but are used on the consolidated tax return, are recorded by the subsidiary that generated the tax benefits.  Any remaining consolidated income tax benefits or expenses are recorded at the corporate level.  Included in other regulatory assets on NextEra Energy's and FPL's consolidated balance sheets is the revenue equivalent of the difference in accumulated deferred income taxes computed under accounting rules, as compared to regulatory accounting rules.  This amount totaled $151 million and $137 million at December 31, 2010 and 2009, respectively, and 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.  Investment tax credits (ITCs) for FPL are deferred and amortized to income over the approximate lives of the related property in accordance with the regulatory treatment.  At December 31, 2010 and 2009, deferre d ITCs were approximately $7 million and $8 million, respectively, and are included in other regulatory liabilities on NextEra Energy's and FPL's consolidated balance sheets.  NextEra Energy Resources recognizes ITCs as a reduction to income tax expense when the related energy property is placed into service.  Production tax credits (PTCs) are recognized as wind energy is generated and sold based on a per kwh rate prescribed in applicable federal and state statutes and are recorded as a reduction of current income taxes payable, unless limited by tax law in which instance they are recorded as deferred tax assets.  NextEra Energy and FPL record a deferred income tax benefit created by the convertible ITCs on the difference between the financial statement and tax bases of renewable property.  For NextEra Energy Resources, this deferred income tax benefit is recorded in income tax expense in the year that the renewable property is placed in service.  For FPL, this deferred income tax benefit is offset by a regulatory liability, which is amortized as a reduction of depreciation expense over the approximate lives of the related renewable property in accordance with the regulatory treatment.  At December 31, 2010 and 2009, the net deferred income tax benefits associated with the convertible ITCs were approximately $58 million and $14 million, respectively, and are included in other regulatory assets and regulatory liabilities on NextEra Energy's and FPL's consolidated balance sheets.  A valuation allowance is recorded to reduce the carrying amounts of deferred tax assets when it is more likely than not that such assets will not be realized.  All tax positions taken by NextEra Energy in its income tax returns that are recognized in the financial statements must satisfy a more-likely-than-not threshold.  See Note 6.</font></div><div sty le="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-FAMILY: Arial, sans-serif; FONT-SIZE: 9pt"></font> </div>Income Taxes - Deferred income taxes are provided on all significant temporary differences between the financial statement and tax bases of assets andfalsefalsefalsefalsefalseOtherus-types:textBlockItemTypestringDescribes an entity's accounting policy for income taxes, which may include its accounting policies for recognizing and measuring deferred tax assets and liabilities and related valuation allowances, recognizing investment tax credits, operating loss carryforwards, tax credit carryforwards, and other carryforwards, methodologies for determining its effective income tax rate and the characterization of interest and penalties in the financial statements.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Principles Board Opinion (APB) -Number 4 -Paragraph 11 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name FASB Interpretation (FIN) -Number 48 -Paragraph 20 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 109 -Paragraph 6-34, 43, 47, 49 falsefalseIncome Taxes24false0nee_SaleOfDifferentialMembershipInterestsPolicyTextBlockneefalsenadurationDescribes an entity's accounting policy for recognizing the deferred proceeds related to the sale of differential membership...falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00<font style="DISPLAY: inline; FONT-FAMILY: Arial, sans-serif; FONT-SIZE: 9pt"><font style="FONT-STYLE: italic; DISPLAY: inline">Sale of Differential Membership Interests</font> - Certain indirect wholly-owned subsidiaries of NextEra Energy Resources sold their Class B membership interest in entities that have ownership interests in wind facilities to third-party investors.</font><div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-FAMILY: Arial, sans-serif; FONT-SIZE: 9pt">In exchange for the cash received, the holders of the Class B membership interests will receive a portion of the economic attributes of the facilities, including tax attributes, f or a variable period.  Recognition of the proceeds from the sale of the differential membership interests was deferred and is recorded in deferral related to differential membership interests on NextEra Energy's consolidated balance sheets.  The deferred amount is being recognized as an adjustment to taxes other than income taxes and other in NextEra Energy's consolidated statements of income as the Class B members receive their portion of the economic attributes.  NextEra Energy continues to operate and manage the wind facilities, and consolidates the entities that own the wind facilities.</font></div>Sale of Differential Membership Interests - Certain indirect wholly-owned subsidiaries of NextEra Energy Resources sold their Class B membership interest infalsefal sefalsefalsefalseOtherus-types:textBlockItemTypestringDescribes an entity's accounting policy for recognizing the deferred proceeds related to the sale of differential membership interests in entities that have ownership interests in wind facilities.No authoritative reference available.falsefalseSale of Differential Membership Interests25false0nee_GuaranteesPolicyTextBlockneefalsenadurationDe scribes an entity's accounting policy for payment guarantees and related contracts provided to unconsolidated entities that...falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-FAMILY: Arial, sans-serif; FON T-SIZE: 9pt"><font style="FONT-STYLE: italic; DISPLAY: inline">Guarantees</font> - NextEra Energy's and FPL's payment guarantees and related contracts provided to unconsolidated entities entered into after December 31, 2002, for which it or a subsidiary is the guarantor, are recorded at fair value.  See Note 14 - Commitments.</font></div>Guarantees - NextEra Energy's and FPL's payment guarantees and related contracts provided to unconsolidated entities entered into after December 31, 2002,falsefalsefalsefalsefalseOtherus-types:textBlockItemTypestringDescribes an entity's accounting policy for payment guarantees and related contracts provided to unconsolidated entities that were entered into after December 31, 2002.No authoritative reference available.falsefalseGuarantees26false0nee_ConsolidationVariableInterestEntityPolicyTextBlockneefalsenadurationDescribes an entity's accounting policy regarding its principles of consolidation for variable interest entities.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-FAMILY: Arial, sans-serif; FONT-SIZE: 9pt"><font style="FONT-STYLE: italic; DISPLAY: inline">Variable Interest Entities (VIEs)</font> - Effective January 1, 2010, NextEra Energy and FPL adopted new accounting guidance which modified the consolidation model in previous guidance and expanded the disclosures related to VIEs.&#1 60; An entity is considered to be a VIE when its total equity investment at risk is not sufficient to permit the entity to finance its activities without additional subordinated financial support, or its equity investors, as a group, lack the characteristics of having a controlling financial interest.  A reporting company is required to consolidate a VIE as its primary beneficiary when it has both the power to direct the activities of the VIE that most significantly impact the VIE's economic performance, and the obligation to absorb losses or the right to receive benefits from the VIE that could potentially be significant to the VIE.  Upon adoption of this new accounting guidance, neither NextEra Energy nor FPL was required to consolidate any additional VIEs or deconsolidate any VIEs.  NextEra Energy and FPL evaluate whether an entity is a VIE whenever reconsideration events as defined by the accounting guidance occur.  See Note 9.</font></div>Variable Interest Entities (VIEs) - Effective January 1, 2010, NextEra Energy and FPL adopted new accounting guidance which modified the consolidation model infalsefalsefalsefalsefalseOtherus-types:textBlockItemTypestringDescribes an entity's accounting policy regarding its principles of consolidation for variable interest entities.No authoritative reference available.falsefalseVariable Interest Entities (VIEs)125Summary of Significant Accounting and Reporting Policies (Policies)UnKnownUnKnownUnKnownUnKnownfalsetrue