Derivative Instruments (Income Statement Disclosure) (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Not Designated as Hedging Instrument [Member]
Gains (losses) related to derivatives not designated as hedging instruments [Abstract]
Gains (losses) related to derivatives not designated as hedging instruments	$ 1,374	$ 2,222	$ (2,145)
Not Designated as Hedging Instrument [Member] \| Commodity contracts \| Gains (Losses) Included In Operating Revenues [Member]
Gains (losses) related to derivatives not designated as hedging instruments [Abstract]
Gains (losses) related to derivatives not designated as hedging instruments	97	2,513	(3,297)
Unrealized Gain (Loss) on Derivatives	8	2,502	(2,346)
Not Designated as Hedging Instrument [Member] \| Foreign currency contracts \| Gain (loss) included in interest expense [Member]
Gains (losses) related to derivatives not designated as hedging instruments [Abstract]
Gains (losses) related to derivatives not designated as hedging instruments	(71)	(62)	(61)
Unrealized Gain (Loss) on Derivatives	(58)	81	(53)
Not Designated as Hedging Instrument [Member] \| Interest rate contracts \| Gain (loss) included in interest expense [Member]
Gains (losses) related to derivatives not designated as hedging instruments [Abstract]
Gains (losses) related to derivatives not designated as hedging instruments	1,349	(226)	1,221
Unrealized Gain (Loss) on Derivatives	542	(634)	1,021
Reclassification out of Accumulated Other Comprehensive Income [Member] \| Not Designated as Hedging Instrument [Member] \| Foreign currency contracts \| Gain (loss) included in interest expense [Member]
Gains (losses) related to derivatives not designated as hedging instruments [Abstract]
Interest Expense	(3)	(2)	(3)
Reclassification out of Accumulated Other Comprehensive Income [Member] \| Not Designated as Hedging Instrument [Member] \| Interest rate contracts \| Gain (loss) included in interest expense [Member]
Gains (losses) related to derivatives not designated as hedging instruments [Abstract]
Interest Expense	2	(1)	(5)
FPL [Member]
Gains (losses) related to derivatives not designated as hedging instruments [Abstract]
Gains (losses) on commodity contracts, recorded as regulatory assets and or liabilities on the balance sheet due to regulatory treatment	$ 50	$ 5	$ 211

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- Definition

Amount of realized and unrealized gain (loss) of derivative instruments not designated or qualifying as hedging instruments.

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- Definition

Amount of interest expense classified as operating and nonoperating. Includes, but is not limited to, cost of borrowing accounted for as interest expense.

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- Definition

The net change in the difference between the fair value and the carrying value, or in the comparative fair values, of derivative instruments, including options, swaps, futures, and forward contracts, held at each balance sheet date, that was included in earnings for the period.

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