v3.26.3
Fair Value Measurements - Schedule of Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details) - Recurring - USD ($)
$ in Millions
Sep. 30, 2026
Dec. 31, 2025
Liabilities    
Derivate asset, subject to master netting arrangement, collateral, obligation to return security not offset $ 10 $ 5
Commodity derivative instruments    
Assets    
Derivative assets 27 10
Contract netting (21) (3)
Collateral netting 0 0
Net value 6 7
Liabilities    
Derivative liabilities 297 3
Contract netting (21) (3)
Collateral netting (98) 0
Net value 178 0
Commodity derivative instruments | Level 1    
Assets    
Derivative assets 0 0
Liabilities    
Derivative liabilities 0 0
Commodity derivative instruments | Level 2    
Assets    
Derivative assets 27 10
Liabilities    
Derivative liabilities 297 3
Commodity derivative instruments | Level 3    
Assets    
Derivative assets 0 0
Liabilities    
Derivative liabilities 0 0
RFS    
Liabilities    
Derivative liabilities 230 72
Contract netting 0 0
Collateral netting 0 0
Net value 230 72
RFS | Level 1    
Liabilities    
Derivative liabilities 0 0
RFS | Level 2    
Liabilities    
Derivative liabilities 230 72
RFS | Level 3    
Liabilities    
Derivative liabilities $ 0 $ 0