v3.26.1
Derivative Instruments (Balance Sheet Disclosure) (Details) - USD ($)
$ in Millions
Jun. 30, 2026
Dec. 31, 2025
Derivatives, Fair Value [Line Items]    
Derivative assets $ 3,397 $ 2,995
Derivative Asset, Current 1,352 997
Derivative Asset, Noncurrent $ 2,045 $ 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 $ 2,766 $ 3,261
Derivative Liability, Current 1,034 1,113
Derivative Liability, Noncurrent $ 1,732 $ 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
Balance Sheet Location [Axis]: us-gaap:DerivativeAssetsCurrent    
Derivatives, Fair Value [Line Items]    
Derivative Asset, Fair Value, Amount Offset Against Collateral $ 39 $ 68
Balance Sheet Location [Axis]: us-gaap:DerivativeAssetsNoncurrent    
Derivatives, Fair Value [Line Items]    
Derivative Asset, Fair Value, Amount Offset Against Collateral 104 99
Balance Sheet Location [Axis]: us-gaap:DerivativeLiabilitiesCurrent    
Derivatives, Fair Value [Line Items]    
Derivative Liability, Collateral, Right to Reclaim Cash, Offset 197 81
Balance Sheet Location [Axis]: us-gaap:DerivativeLiabilitiesNoncurrent    
Derivatives, Fair Value [Line Items]    
Derivative Liability, Collateral, Right to Reclaim Cash, Offset 8  
Commodity contracts | Fair value measurements made on a recurring basis [Member]    
Derivatives, Fair Value [Line Items]    
Derivative assets 3,016 2,715
Derivative liability 2,450 2,648
Derivative asset, netting (5,472) (4,007)
Derivative liability, netting 5,534 3,921
Commodity contracts | Level 1 | Fair value measurements made on a recurring basis [Member]    
Derivatives, Fair Value [Line Items]    
Derivative Asset, Gross Asset 3,583 1,914
Derivative Liability, Gross Liability 3,854 2,082
Commodity contracts | Level 2 | Fair value measurements made on a recurring basis [Member]    
Derivatives, Fair Value [Line Items]    
Derivative Asset, Gross Asset 2,972 2,958
Derivative Liability, Gross Liability 2,952 3,319
Commodity contracts | Level 3 | Fair value measurements made on a recurring basis [Member]    
Derivatives, Fair Value [Line Items]    
Derivative Asset, Gross Asset 1,933 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 370 234
Derivative liability 91 486
Derivative asset, netting (124) (77)
Derivative liability, netting 124 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 491 311
Derivative Liability, Gross Liability 215 563
Interest rate contracts | Level 3 | Fair value measurements made on a recurring basis [Member]    
Derivatives, Fair Value [Line Items]    
Derivative Asset, Gross Asset 3 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 11 46
Derivative liability 225 127
Derivative asset, netting (21) 12
Derivative liability, netting 21 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 32 34
Derivative Liability, Gross Liability 246 115
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 70 16
Derivative Liability, Current 34 15
Derivative Liability, Noncurrent 36 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 70 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 5 5
Derivative Liability, Gross Liability 45 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 28 48
Derivative Liability, Gross Liability $ 29 $ 16