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Derivative Instruments (Balance Sheet Disclosure) (Details) - USD ($) $ in Millions | Mar. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Derivatives, Fair Value [Line Items] |  |
Derivative assets | $ 3,592 | $ 3,525
Derivative Asset, Current | 1,682 | 1,590
Derivative Asset, Noncurrent | $ 1,910 | $ 1,935
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 | $ 4,000 | $ 5,011
Derivative Liability, Current | 1,512 | 2,102
Derivative Liability, Noncurrent | $ 2,488 | $ 2,909
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 | $ 124 | $ 299
Non Current Derivative Assets |  |
Derivatives, Fair Value [Line Items] |  |
Derivative Asset, Fair Value, Amount Offset Against Collateral | 122 | 262
Current derivative liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Derivative Liability, Collateral, Right to Reclaim Cash, Offset | 620 | 328
Non Current derivative liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Derivative Liability, Collateral, Right to Reclaim Cash, Offset | 969 | 1,213
Commodity contracts | Fair value measurements made on a recurring basis [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets | 3,235 | 2,995
Derivative liability | 3,376 | 4,743
Derivative asset, netting | (8,486) | (12,030)
Derivative liability, netting | (9,829) | (13,010)
Commodity contracts | Level 1 | Fair value measurements made on a recurring basis [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Derivative Asset, Gross Asset | 3,433 | 5,372
Derivative Liability, Gross Liability | 5,308 | 7,185
Commodity contracts | Level 2 | Fair value measurements made on a recurring basis [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Derivative Asset, Gross Asset | 6,071 | 7,559
Derivative Liability, Gross Liability | 6,136 | 7,620
Commodity contracts | Level 3 | Fair value measurements made on a recurring basis [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Derivative Asset, Gross Asset | 2,217 | 2,094
Derivative Liability, Gross Liability | 1,761 | 2,948
Interest rate contracts | Fair value measurements made on a recurring basis [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets | 357 | 534
Derivative liability | 480 | 142
Derivative asset, netting | (15) | (49)
Derivative liability, netting | (15) | (49)
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 | 372 | 583
Derivative Liability, Gross Liability | 495 | 191
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 | (4)
Derivative liability | 144 | 126
Derivative asset, netting | 0 | (4)
Derivative liability, netting | 0 | (4)
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 | 144 | 130
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 | 32 | 29
Derivative Asset, Current | 21 | 19
Derivative Asset, Noncurrent | 11 | 10
Derivative liability | 42 | 13
Derivative Liability, Current | 22 | 12
Derivative Liability, Noncurrent | 20 | 1
Florida Power & Light Company | Commodity contracts | Fair value measurements made on a recurring basis [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets | 32 | 29
Derivative liability | 42 | 13
Derivative asset, netting | (5) | (7)
Derivative liability, netting | (5) | (7)
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 | 7 | 11
Derivative Liability, Gross Liability | 6 | 4
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 | 30 | 25
Derivative Liability, Gross Liability | $ 41 | $ 16

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