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Derivative Instruments (Balance Sheet Disclosure) (Details) - USD ($) $ in Millions | Mar. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Derivatives, Fair Value [Line Items] |  |
Derivative assets | $ 3,127 | $ 3,520
Derivative Asset, Current | 1,461 | 1,730
Derivative Asset, Noncurrent | $ 1,666 | $ 1,790
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 | $ 3,129 | $ 3,586
Derivative Liability, Current | 720 | 845
Derivative Liability, Noncurrent | $ 2,409 | $ 2,741
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 | $ 90 | $ 148
Non Current Derivative Assets |  |
Derivatives, Fair Value [Line Items] |  |
Derivative Asset, Fair Value, Amount Offset Against Collateral | 380 | 307
Current derivative liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Derivative Liability, Collateral, Right to Reclaim Cash, Offset | 616 | 815
Commodity contracts | Fair value measurements made on a recurring basis [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets | 2,749 | 3,135
Derivative liability | 2,704 | 2,903
Derivative asset, netting | (5,737) | (6,171)
Derivative liability, netting | 5,883 | 6,531
Commodity contracts | Level 1 | Fair value measurements made on a recurring basis [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Derivative Asset, Gross Asset | 2,476 | 2,640
Derivative Liability, Gross Liability | 3,374 | 3,796
Commodity contracts | Level 2 | Fair value measurements made on a recurring basis [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Derivative Asset, Gross Asset | 4,412 | 4,741
Derivative Liability, Gross Liability | 4,282 | 4,664
Commodity contracts | Level 3 | Fair value measurements made on a recurring basis [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Derivative Asset, Gross Asset | 1,598 | 1,925
Derivative Liability, Gross Liability | 931 | 974
Interest rate contracts | Fair value measurements made on a recurring basis [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets | 378 | 385
Derivative liability | 361 | 634
Derivative asset, netting | 58 | 81
Derivative liability, netting | 58 | 81
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 | 320 | 304
Derivative Liability, Gross Liability | 303 | 553
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 | 0 | 0
Foreign currency contracts | Fair value measurements made on a recurring basis [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets | 0 | 0
Derivative liability | 64 | 49
Derivative asset, netting | 0 | 0
Derivative liability, netting | 0 | 0
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 | 64 | 49
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 | 14 | 27
Derivative Asset, Current | 2 | 13
Derivative Asset, Noncurrent | 12 | 14
Derivative liability | 23 | 15
Derivative Liability, Current | 16 | 9
Derivative Liability, Noncurrent | 7 | 6
Florida Power & Light Company | Commodity contracts | Fair value measurements made on a recurring basis [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets | 14 | 27
Derivative liability | 23 | 15
Derivative asset, netting | (5) | (3)
Derivative liability, netting | 5 | 3
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, Fair Value, Gross Asset Including Not Subject to Master Netting Arrangement, Net Of Adjustments | 0 |
Derivative Asset, Gross Asset |  | 1
Derivative Liability, Gross Liability | 11 | 13
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 | 19 | 29
Derivative Liability, Gross Liability | $ 17 | $ 5

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