v3.26.3
FAIR VALUE MEASUREMENTS - Schedule of Recurring Fair Value Measurements (Details) - USD ($)
Sep. 30, 2026
Dec. 31, 2025
Derivative assets    
Derivative asset, fair value, gross $ 249,000,000 $ 129,000,000
Derivative assets netting (249,000,000) (67,000,000)
Derivative assets 0 62,000,000
Derivative liabilities    
Derivative liability, fair value, gross (444,000,000) (67,000,000)
Derivative liabilities netting 444,000,000 67,000,000
Derivative liabilities 0 0
Cash held - offsetting derivative net asset positions under master- netting arrangements 0 0
Cash posted - total 289,000,000 4,000,000
Cash posted - offsetting derivative net liability positions under master-netting arrangements 195,000,000  
Balance Sheet Location [Axis]: us-gaap:OtherAssetsCurrent    
Derivative liabilities    
Cash posted - offsetting derivative net liability positions under master-netting arrangements 94,000,000  
Level 1    
Derivative assets    
Derivative asset, fair value, gross 59,000,000 60,000,000
Derivative liabilities    
Derivative liability, fair value, gross (342,000,000) (21,000,000)
Level 2    
Derivative assets    
Derivative asset, fair value, gross 190,000,000 69,000,000
Derivative liabilities    
Derivative liability, fair value, gross (102,000,000) (46,000,000)
Level 3    
Derivative assets    
Derivative asset, fair value, gross 0 0
Derivative liabilities    
Derivative liability, fair value, gross 0 0
Commodity contracts    
Derivative assets    
Derivative asset, fair value, gross 249,000,000 129,000,000
Derivative assets netting (249,000,000) (67,000,000)
Derivative assets 0 62,000,000
Derivative liabilities    
Derivative liability, fair value, gross (444,000,000) (67,000,000)
Derivative liabilities netting 444,000,000 67,000,000
Derivative liabilities 0 0
Commodity contracts | Level 1    
Derivative assets    
Derivative asset, fair value, gross 59,000,000 60,000,000
Derivative liabilities    
Derivative liability, fair value, gross (342,000,000) (21,000,000)
Commodity contracts | Level 2    
Derivative assets    
Derivative asset, fair value, gross 190,000,000 69,000,000
Derivative liabilities    
Derivative liability, fair value, gross (102,000,000) (46,000,000)
Commodity contracts | Level 3    
Derivative assets    
Derivative asset, fair value, gross 0 0
Derivative liabilities    
Derivative liability, fair value, gross $ 0 $ 0