v3.26.1
RISK-MANAGEMENT AND HEDGING ACTIVITIES USING DERIVATIVES - Schedule of Fair Value of Derivative Instruments (Details) - USD ($)
$ in Millions
Jun. 30, 2026
Dec. 31, 2025
Derivative Instruments and Hedging Activities Disclosures [Line Items]    
Assets $ 192 $ 129
(Liabilities) (155) (67)
Derivatives designated as hedging instruments    
Derivative Instruments and Hedging Activities Disclosures [Line Items]    
Assets 189 112
(Liabilities) (145) (50)
Derivatives not designated as hedging instruments    
Derivative Instruments and Hedging Activities Disclosures [Line Items]    
Assets 3 17
(Liabilities) (10) (17)
Balance Sheet Location [Axis]: us-gaap:OtherAssetsCurrent | Commodity contracts | Derivatives designated as hedging instruments    
Derivative Instruments and Hedging Activities Disclosures [Line Items]    
Assets 180 112
Balance Sheet Location [Axis]: us-gaap:OtherAssetsCurrent | Commodity contracts | Derivatives not designated as hedging instruments    
Derivative Instruments and Hedging Activities Disclosures [Line Items]    
Assets 3 17
Balance Sheet Location [Axis]: us-gaap:OtherAssetsNoncurrent | Commodity contracts | Derivatives designated as hedging instruments    
Derivative Instruments and Hedging Activities Disclosures [Line Items]    
Assets 9 0
Balance Sheet Location [Axis]: us-gaap:OtherAssetsNoncurrent | Commodity contracts | Derivatives not designated as hedging instruments    
Derivative Instruments and Hedging Activities Disclosures [Line Items]    
Assets 0 0
Balance Sheet Location [Axis]: us-gaap:OtherLiabilitiesCurrent | Commodity contracts | Derivatives designated as hedging instruments    
Derivative Instruments and Hedging Activities Disclosures [Line Items]    
(Liabilities) (138) (50)
Balance Sheet Location [Axis]: us-gaap:OtherLiabilitiesCurrent | Commodity contracts | Derivatives not designated as hedging instruments    
Derivative Instruments and Hedging Activities Disclosures [Line Items]    
(Liabilities) (8) (17)
Balance Sheet Location [Axis]: us-gaap:OtherLiabilitiesNoncurrent | Commodity contracts | Derivatives designated as hedging instruments    
Derivative Instruments and Hedging Activities Disclosures [Line Items]    
(Liabilities) (7) 0
Balance Sheet Location [Axis]: us-gaap:OtherLiabilitiesNoncurrent | Commodity contracts | Derivatives not designated as hedging instruments    
Derivative Instruments and Hedging Activities Disclosures [Line Items]    
(Liabilities) $ (2) $ 0