v3.26.3
FAIR VALUE MEASUREMENTS - Schedule of Recurring Measurements (Details) - Fair Value, Recurring - USD ($)
$ in Millions
Sep. 30, 2026
Dec. 31, 2025
Location, Statement of Financial Position, Balance [Axis]: us-gaap:OtherAssetsNoncurrent    
Assets:    
Gross Amounts Offset in Balance Sheet $ 0 $ 0
Investment 16 30
2026 WTI Contingent Liability | Location, Statement of Financial Position, Balance [Axis]: us-gaap:OtherAccruedLiabilitiesCurrent    
Liabilities:    
Total Gross Fair Value   20
Gross Amounts Offset in Balance Sheet   0
Net Fair Value Presented in Balance Sheet   20
Commodity derivative instruments | Location, Statement of Financial Position, Balance [Axis]: us-gaap:DerivativeLiabilitiesCurrent    
Liabilities:    
Total Gross Fair Value 163 109
Gross Amounts Offset in Balance Sheet (116) (101)
Net Fair Value Presented in Balance Sheet 47 8
Commodity derivative instruments | Location, Statement of Financial Position, Balance [Axis]: us-gaap:OtherAssetsNoncurrent    
Assets:    
Total Gross Fair Value 55 49
Gross Amounts Offset in Balance Sheet (21) (42)
Net Fair Value Presented in Balance Sheet 34 7
Commodity derivative instruments | Location, Statement of Financial Position, Balance [Axis]: us-gaap:OtherLiabilitiesNoncurrent    
Liabilities:    
Total Gross Fair Value 21 77
Gross Amounts Offset in Balance Sheet (21) (42)
Net Fair Value Presented in Balance Sheet 0 35
Commodity derivative instruments | Location, Statement of Financial Position, Balance [Axis]: us-gaap:PrepaidExpenseAndOtherAssetsCurrent    
Assets:    
Total Gross Fair Value 136 335
Gross Amounts Offset in Balance Sheet (116) (101)
Net Fair Value Presented in Balance Sheet 20 234
Interest rate swaps | Location, Statement of Financial Position, Balance [Axis]: us-gaap:DerivativeLiabilitiesCurrent    
Liabilities:    
Total Gross Fair Value   7
Gross Amounts Offset in Balance Sheet   0
Net Fair Value Presented in Balance Sheet   7
Interest rate swaps | Location, Statement of Financial Position, Balance [Axis]: us-gaap:OtherLiabilitiesNoncurrent    
Liabilities:    
Total Gross Fair Value   20
Gross Amounts Offset in Balance Sheet   0
Net Fair Value Presented in Balance Sheet   20
Level 1 | Location, Statement of Financial Position, Balance [Axis]: us-gaap:OtherAssetsNoncurrent    
Assets:    
Investment 16 30
Level 1 | 2026 WTI Contingent Liability | Location, Statement of Financial Position, Balance [Axis]: us-gaap:OtherAccruedLiabilitiesCurrent    
Liabilities:    
Total Gross Fair Value   0
Level 1 | Commodity derivative instruments | Location, Statement of Financial Position, Balance [Axis]: us-gaap:DerivativeLiabilitiesCurrent    
Liabilities:    
Total Gross Fair Value 0 0
Level 1 | Commodity derivative instruments | Location, Statement of Financial Position, Balance [Axis]: us-gaap:OtherAssetsNoncurrent    
Assets:    
Total Gross Fair Value 0 0
Level 1 | Commodity derivative instruments | Location, Statement of Financial Position, Balance [Axis]: us-gaap:OtherLiabilitiesNoncurrent    
Liabilities:    
Total Gross Fair Value 0 0
Level 1 | Commodity derivative instruments | Location, Statement of Financial Position, Balance [Axis]: us-gaap:PrepaidExpenseAndOtherAssetsCurrent    
Assets:    
Total Gross Fair Value 0 0
Level 1 | Interest rate swaps | Location, Statement of Financial Position, Balance [Axis]: us-gaap:DerivativeLiabilitiesCurrent    
Liabilities:    
Total Gross Fair Value   0
Level 1 | Interest rate swaps | Location, Statement of Financial Position, Balance [Axis]: us-gaap:OtherLiabilitiesNoncurrent    
Liabilities:    
Total Gross Fair Value   0
Level 2 | Location, Statement of Financial Position, Balance [Axis]: us-gaap:OtherAssetsNoncurrent    
Assets:    
Investment 0 0
Level 2 | 2026 WTI Contingent Liability | Location, Statement of Financial Position, Balance [Axis]: us-gaap:OtherAccruedLiabilitiesCurrent    
Liabilities:    
Total Gross Fair Value   20
Level 2 | Commodity derivative instruments | Location, Statement of Financial Position, Balance [Axis]: us-gaap:DerivativeLiabilitiesCurrent    
Liabilities:    
Total Gross Fair Value 163 109
Level 2 | Commodity derivative instruments | Location, Statement of Financial Position, Balance [Axis]: us-gaap:OtherAssetsNoncurrent    
Assets:    
Total Gross Fair Value 55 49
Level 2 | Commodity derivative instruments | Location, Statement of Financial Position, Balance [Axis]: us-gaap:OtherLiabilitiesNoncurrent    
Liabilities:    
Total Gross Fair Value 21 77
Level 2 | Commodity derivative instruments | Location, Statement of Financial Position, Balance [Axis]: us-gaap:PrepaidExpenseAndOtherAssetsCurrent    
Assets:    
Total Gross Fair Value 136 335
Level 2 | Interest rate swaps | Location, Statement of Financial Position, Balance [Axis]: us-gaap:DerivativeLiabilitiesCurrent    
Liabilities:    
Total Gross Fair Value   7
Level 2 | Interest rate swaps | Location, Statement of Financial Position, Balance [Axis]: us-gaap:OtherLiabilitiesNoncurrent    
Liabilities:    
Total Gross Fair Value   20
Level 3 | Location, Statement of Financial Position, Balance [Axis]: us-gaap:OtherAssetsNoncurrent    
Assets:    
Investment 0 0
Level 3 | 2026 WTI Contingent Liability | Location, Statement of Financial Position, Balance [Axis]: us-gaap:OtherAccruedLiabilitiesCurrent    
Liabilities:    
Total Gross Fair Value   0
Level 3 | Commodity derivative instruments | Location, Statement of Financial Position, Balance [Axis]: us-gaap:DerivativeLiabilitiesCurrent    
Liabilities:    
Total Gross Fair Value 0 0
Level 3 | Commodity derivative instruments | Location, Statement of Financial Position, Balance [Axis]: us-gaap:OtherAssetsNoncurrent    
Assets:    
Total Gross Fair Value 0 0
Level 3 | Commodity derivative instruments | Location, Statement of Financial Position, Balance [Axis]: us-gaap:OtherLiabilitiesNoncurrent    
Liabilities:    
Total Gross Fair Value 0 0
Level 3 | Commodity derivative instruments | Location, Statement of Financial Position, Balance [Axis]: us-gaap:PrepaidExpenseAndOtherAssetsCurrent    
Assets:    
Total Gross Fair Value $ 0 0
Level 3 | Interest rate swaps | Location, Statement of Financial Position, Balance [Axis]: us-gaap:DerivativeLiabilitiesCurrent    
Liabilities:    
Total Gross Fair Value   0
Level 3 | Interest rate swaps | Location, Statement of Financial Position, Balance [Axis]: us-gaap:OtherLiabilitiesNoncurrent    
Liabilities:    
Total Gross Fair Value   $ 0