v3.26.3
RISK-MANAGEMENT AND HEDGING ACTIVITIES USING DERIVATIVES - Schedule of Fair Value of Derivative Instruments (Details) - USD ($)
$ in Millions
Sep. 30, 2026
Dec. 31, 2025
Derivative Instruments and Hedging Activities Disclosures [Line Items]    
Assets $ 249 $ 129
(Liabilities) (444) (67)
Cash posted - offsetting derivative net liability positions under master-netting arrangements 195  
Derivatives designated as hedging instruments    
Derivative Instruments and Hedging Activities Disclosures [Line Items]    
Assets 232 112
(Liabilities) (421) (50)
Derivatives not designated as hedging instruments    
Derivative Instruments and Hedging Activities Disclosures [Line Items]    
Assets 17 17
(Liabilities) (23) (17)
Commodity contracts | Derivatives designated as hedging instruments    
Derivative Instruments and Hedging Activities Disclosures [Line Items]    
Assets 232 112
(Liabilities) (421) (50)
Commodity contracts | Derivatives not designated as hedging instruments    
Derivative Instruments and Hedging Activities Disclosures [Line Items]    
Assets 17 17
(Liabilities) $ (23) $ (17)