v3.26.1
Financial and Other Derivative Instruments ( Netting Offsets of Derivative Assets and Liabilities Reconciliation to the Statements of Financial Position) (Details) - USD ($)
$ in Millions
Jun. 30, 2026
Dec. 31, 2025
Derivative Assets    
Derivative Assets $ 1,001 $ 707
Collateral adjustment (27) (35)
Total derivatives assets as reported, current 185 143
Total derivatives assets as reported, noncurrent 90 89
Derivative Liabilities    
Derivative Liabilities (941) (597)
Collateral adjustment 34 5
Total derivatives liabilities as reported, current (157) (86)
Total derivatives liabilities as reported, noncurrent (51) (66)
Balance Sheet Location [Axis]: us-gaap:DerivativeAssetsCurrent    
Derivative Assets    
Derivative Assets 767 482
Counterparty netting (564) (325)
Collateral adjustment (18) (14)
Balance Sheet Location [Axis]: us-gaap:DerivativeAssetsNoncurrent    
Derivative Assets    
Derivative Assets 234 225
Counterparty netting (135) (115)
Collateral adjustment (9) (21)
Balance Sheet Location [Axis]: us-gaap:DerivativeLiabilitiesCurrent    
Derivative Liabilities    
Derivative Liabilities (739) (413)
Counterparty netting 564 325
Collateral adjustment 18 2
Balance Sheet Location [Axis]: us-gaap:DerivativeLiabilitiesNoncurrent    
Derivative Liabilities    
Derivative Liabilities (202) (184)
Counterparty netting 135 115
Collateral adjustment $ 16 $ 3