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Derivative Instruments (Credit Risk Disclosures) (Details) - USD ($) | Dec. 31, 2022 | Dec. 31, 2021
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Derivative [Line Items] |  |
Liability position of derivative | $ 7,400,000,000 | $ 4,100,000,000
Additional Collateral Aggregate Fair Value Due To Credit Rating Downgrade To Bbb Or Baa2 | 1,625,000,000 | 645,000,000
Additional Collateral Aggregate Fair Value Due To Credit Rating Downgrade To Below Investment Grade | 5,200,000,000 | 2,700,000,000
Additional Collateral Aggregate Fair Value Due To Other Financial Measures | 1,100,000,000 | 1,000,000,000
Collateral Already Posted, Aggregate Fair Value | 59,000,000 | 84,000,000
Letters Of Credit Already Posted Aggregate Fair Value | 1,200,000,000 | 1,100,000,000
FPL [Member] |  |
Derivative [Line Items] |  |
Liability position of derivative | 15,000,000 | 12,000,000
Additional Collateral Aggregate Fair Value Due To Credit Rating Downgrade To Bbb Or Baa2 | 0 | 0
Additional Collateral Aggregate Fair Value Due To Credit Rating Downgrade To Below Investment Grade | 20,000,000 | 35,000,000
Additional Collateral Aggregate Fair Value Due To Other Financial Measures | 185,000,000 | 145,000,000
Collateral Already Posted, Aggregate Fair Value | 0 | 0
Letters Of Credit Already Posted Aggregate Fair Value | $ 0 | $ 0

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- Definition The aggregate fair value of collateral that would be required to be posted for derivative instruments with credit-risk-related contingent features if the applicable corporate credit ratings were downgraded to BBB/Baa2 at the end of the reporting period. + References No definition available. + Details
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- Definition The aggregate fair value of collateral that would be required to be posted for derivative instruments with credit-risk-related contingent features if the applicable corporate credit ratings were downgraded to below investment grade at the end of the reporting period. + References No definition available. + Details
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- Definition The aggregate fair value of additional collateral that would be required to be posted for derivative instruments with credit-risk-related contingent features if certain cross-default provisions or certain financial measurement requirements were triggered at the end of the reporting period. + References No definition available. + Details
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- Definition Letters of Credit that are already posted in the normal course of business, at the end of the reporting period, that could be applied toward the collateral requirements for derivative instruments with credit-risk-related contingent features. + References No definition available. + Details
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- Definition The aggregate fair value of assets that are already posted, at the end of the reporting period, as collateral for derivative instruments with credit-risk-related contingent features. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4H -Subparagraph (d) -URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5624258-113959 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition The aggregate fair value amounts of derivative instruments that contain credit-risk-related contingent features that are in a net liability position at the end of the reporting period. For nonderivative instruments that are designated and qualify as hedging instruments, the fair value amounts are the carrying value of the nonderivative hedging instrument, including the adjustment for the foreign currency transaction gain (loss) on that instrument. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4H -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5624258-113959 + Details
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