v3.26.1
Derivative Instruments (Balance Sheet Disclosure) (Details) - USD ($)
$ in Millions
Mar. 31, 2026
Dec. 31, 2025
Derivatives, Fair Value [Line Items]    
Derivative assets $ 3,057 $ 2,995
Derivative Asset, Current 1,237 997
Derivative Asset, Noncurrent $ 1,820 $ 1,998
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 $ 3,010 $ 3,261
Derivative Liability, Current 1,176 1,113
Derivative Liability, Noncurrent $ 1,834 $ 2,148
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 $ 36 $ 68
Non Current Derivative Assets    
Derivatives, Fair Value [Line Items]    
Derivative Asset, Fair Value, Amount Offset Against Collateral 38 99
Current derivative liabilities    
Derivatives, Fair Value [Line Items]    
Derivative Liability, Collateral, Right to Reclaim Cash, Offset 190 81
Non Current derivative liabilities    
Derivatives, Fair Value [Line Items]    
Derivative Liability, Collateral, Right to Reclaim Cash, Offset 50  
Commodity contracts | Fair value measurements made on a recurring basis [Member]    
Derivatives, Fair Value [Line Items]    
Derivative assets 2,868 2,715
Derivative liability 2,411 2,648
Derivative asset, netting (4,984) (4,007)
Derivative liability, netting 5,150 3,921
Commodity contracts | Level 1 | Fair value measurements made on a recurring basis [Member]    
Derivatives, Fair Value [Line Items]    
Derivative Asset, Gross Asset 2,371 1,914
Derivative Liability, Gross Liability 2,767 2,082
Commodity contracts | Level 2 | Fair value measurements made on a recurring basis [Member]    
Derivatives, Fair Value [Line Items]    
Derivative Asset, Gross Asset 3,380 2,958
Derivative Liability, Gross Liability 3,616 3,319
Commodity contracts | Level 3 | Fair value measurements made on a recurring basis [Member]    
Derivatives, Fair Value [Line Items]    
Derivative Asset, Gross Asset 2,101 1,850
Derivative Liability, Gross Liability 1,178 1,168
Interest rate contracts | Fair value measurements made on a recurring basis [Member]    
Derivatives, Fair Value [Line Items]    
Derivative assets 220 234
Derivative liability 316 486
Derivative asset, netting (97) (77)
Derivative liability, netting 97 77
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 317 311
Derivative Liability, Gross Liability 395 563
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 18 0
Foreign currency contracts | Fair value measurements made on a recurring basis [Member]    
Derivatives, Fair Value [Line Items]    
Derivative assets (31) 46
Derivative liability 283 127
Derivative asset, netting (46) 12
Derivative liability, netting 46 12
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 15 34
Derivative Liability, Gross Liability 329 115
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 29 40
Derivative Asset, Current 28 39
Derivative Asset, Noncurrent 1 1
Derivative liability 50 16
Derivative Liability, Current 49 15
Derivative Liability, Noncurrent 1 1
Florida Power & Light Company | Commodity contracts | Fair value measurements made on a recurring basis [Member]    
Derivatives, Fair Value [Line Items]    
Derivative assets 29 40
Derivative liability 50 16
Derivative asset, netting (4) (13)
Derivative liability, netting 4 13
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 6 5
Derivative Liability, Gross Liability 7 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 27 48
Derivative Liability, Gross Liability $ 47 $ 16