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Derivative Instruments (Balance Sheet Disclosure) (Details) - USD ($) $ in Millions | Sep. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Derivatives, Fair Value [Line Items] |  |
Derivative assets | $ 2,692 | $ 2,653
Derivative Asset, Current | 853 | 879
Derivative Asset, Noncurrent | $ 1,839 | $ 1,774
Derivative Asset, Current, Statement of Financial Position [Extensible Enumeration] | Other assets, current | Other assets, current
Derivative Asset, Noncurrent, Statement of Financial Position [Extensible Enumeration] | Other | Other
Derivative liability | $ 3,509 | $ 3,081
Derivative Liability, Current | 1,131 | 1,073
Derivative Liability, Noncurrent | $ 2,378 | $ 2,008
Derivative Liability, Current, Statement of Financial Position [Extensible Enumeration] | Other Liabilities, Current | Other Liabilities, Current
Derivative Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration] | Other Liabilities, Noncurrent | Other Liabilities, Noncurrent
Current Derivative Assets |  |
Derivatives, Fair Value [Line Items] |  |
Derivative Asset, Fair Value, Amount Offset Against Collateral | $ 73 | $ 154
Non Current Derivative Assets |  |
Derivatives, Fair Value [Line Items] |  |
Derivative Asset, Fair Value, Amount Offset Against Collateral | 46 | 321
Current derivative liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Derivative Liability, Collateral, Right to Reclaim Cash, Offset | 96 |
Non Current derivative liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Derivative Liability, Collateral, Right to Reclaim Cash, Offset | 32 |
Commodity contracts | Fair value measurements made on a recurring basis [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets | 2,592 | 2,125
Derivative liability | 2,483 | 2,742
Derivative asset, netting | (3,786) | (4,032)
Derivative liability, netting | (3,795) | (3,557)
Commodity contracts | Level 1 | Fair value measurements made on a recurring basis [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Derivative Asset, Gross Asset | 1,656 | 1,778
Derivative Liability, Gross Liability | 2,030 | 1,983
Commodity contracts | Level 2 | Fair value measurements made on a recurring basis [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Derivative Asset, Gross Asset | 2,831 | 3,040
Derivative Liability, Gross Liability | 3,262 | 3,364
Commodity contracts | Level 3 | Fair value measurements made on a recurring basis [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Derivative Asset, Gross Asset | 1,891 | 1,339
Derivative Liability, Gross Liability | 986 | 952
Interest rate contracts | Fair value measurements made on a recurring basis [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets | 103 | 533
Derivative liability | 897 | 240
Derivative asset, netting | (45) | (44)
Derivative liability, netting | (45) | (44)
Interest rate contracts | Level 1 | Fair value measurements made on a recurring basis [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Derivative Asset, Gross Asset | 0 | 0
Derivative Liability, Gross Liability | 0 | 0
Interest rate contracts | Level 2 | Fair value measurements made on a recurring basis [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Derivative Asset, Gross Asset | 148 | 577
Derivative Liability, Gross Liability | 917 | 284
Interest rate contracts | Level 3 | Fair value measurements made on a recurring basis [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Derivative Asset, Gross Asset | 0 | 0
Derivative Liability, Gross Liability | 25 | 0
Foreign currency contracts | Fair value measurements made on a recurring basis [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets | (3) | (5)
Derivative liability | 129 | 99
Derivative asset, netting | (3) | (5)
Derivative liability, netting | (3) | (5)
Foreign currency contracts | Level 1 | Fair value measurements made on a recurring basis [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Derivative Asset, Gross Asset | 0 | 0
Derivative Liability, Gross Liability | 0 | 0
Foreign currency contracts | Level 2 | Fair value measurements made on a recurring basis [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Derivative Asset, Gross Asset | 0 | 0
Derivative Liability, Gross Liability | 132 | 104
Foreign currency contracts | Level 3 | Fair value measurements made on a recurring basis [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Derivative Asset, Gross Asset | 0 | 0
Derivative Liability, Gross Liability | 0 | 0
Florida Power & Light Company |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets | 17 | 40
Derivative Asset, Current | 15 | 31
Derivative Asset, Noncurrent | 2 | 9
Derivative liability | 12 | 7
Derivative Liability, Current | 10 | 3
Derivative Liability, Noncurrent | 2 | 4
Florida Power & Light Company | Commodity contracts | Fair value measurements made on a recurring basis [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets | 17 | 40
Derivative liability | 12 | 7
Derivative asset, netting | (11) | (16)
Derivative liability, netting | (11) | (11)
Florida Power & Light Company | Commodity contracts | Level 1 | Fair value measurements made on a recurring basis [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Derivative Asset, Gross Asset | 0 | 0
Derivative Liability, Gross Liability | 0 | 0
Florida Power & Light Company | Commodity contracts | Level 2 | Fair value measurements made on a recurring basis [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Derivative Asset, Gross Asset | 4 | 9
Derivative Liability, Gross Liability | 6 | 5
Florida Power & Light Company | Commodity contracts | Level 3 | Fair value measurements made on a recurring basis [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Derivative Asset, Gross Asset | 24 | 47
Derivative Liability, Gross Liability | $ 17 | $ 13

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