v3.26.3
Fair Value Measurement - Schedule of Commodity Derivative Balances Subject to Right of Setoff (Details) - USD ($)
$ in Millions
Sep. 30, 2026
Dec. 31, 2025
Offsetting Derivative Assets [Abstract]    
Assets - gross amounts recognized $ 1,503 $ 604
Assets - amounts without right of setoff 50 2
Assets - gross amounts 1,453 602
Assets - gross amounts offset 1,067 361
Assets - net amounts presented 386 241
Assets - cash collateral 44 6
Assets - net amounts 342 235
Offsetting Derivative Liabilities [Abstract]    
Liabilities - gross amounts recognized 1,371 538
Liabilities - amounts without right of setoff 47 1
Liabilities - gross amounts recognized 1,324 537
Liabilities - gross amounts offset 1,067 361
Liabilities - net amounts presented 257 176
Liabilities - cash collateral 51 53
Liabilities - net amounts $ 206 $ 123