v3.26.1
Derivatives and Risk Management - Schedules of Fair Values and Locations of Derivative Instruments (Details) - USD ($)
$ in Millions
Jun. 30, 2026
Dec. 31, 2025
Derivatives, Fair Value [Line Items]    
Gross Asset $ 10 $ 17
Gross Liability (52) (47)
Collateral Netted 12 10
Net Asset (Liability) on Balance Sheet (30) (20)
Location, Statement of Financial Position, Balance [Axis]: us-gaap:OtherAssetsCurrent | Commodity Contracts [Member]    
Derivatives, Fair Value [Line Items]    
Gross Asset 5 8
Gross Liability 0 0
Collateral Netted 0 0
Net Asset (Liability) on Balance Sheet 5 8
Location, Statement of Financial Position, Balance [Axis]: us-gaap:OtherLiabilitiesCurrent | Commodity Contracts [Member]    
Derivatives, Fair Value [Line Items]    
Gross Asset 3 7
Gross Liability (36) (33)
Collateral Netted 11 8
Net Asset (Liability) on Balance Sheet (22) (18)
Location, Statement of Financial Position, Balance [Axis]: us-gaap:OtherLiabilitiesNoncurrent | Commodity Contracts [Member]    
Derivatives, Fair Value [Line Items]    
Gross Asset 2 2
Gross Liability (16) (14)
Collateral Netted 1 2
Net Asset (Liability) on Balance Sheet $ (13) $ (10)