v3.26.1
BUSINESS SEGMENT INFORMATION - Schedule of Financial Segment Information (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Dec. 31, 2025
Segment Reporting Information [Line Items]      
Realized losses on commodity derivative instruments $ (66) $ 0  
Revenues and realized gain on derivatives 2,261 2,636  
OPERATING EXPENSES:      
Lease operating expenses 362 407  
Taxes other than income 57 74  
Exploration 26 30  
Depreciation, depletion, and amortization 553 643  
Asset retirement obligation accretion 42 39  
Total operating expenses 1,206 1,771  
Operating Income (Loss) 1,055 865  
Other Income (Expense):      
Unrealized losses on derivative instruments (47) (28)  
Loss on divestitures, net 0 (2)  
Other, net 1 6  
General and administrative (115) (98)  
Transaction, reorganization, and separation (7) (37)  
Financing costs, net (57) 57  
Income Before Income Taxes 830 763  
Total Assets 18,079 18,531 $ 17,761
Commodity derivative instruments      
Segment Reporting Information [Line Items]      
Realized losses on commodity derivative instruments (66) 0  
Operating Segments | U.S.      
Segment Reporting Information [Line Items]      
Revenues and realized gain on derivatives 1,245 1,713  
OPERATING EXPENSES:      
Lease operating expenses 170 200  
Taxes other than income 57 74  
Exploration 3 2  
Depreciation, depletion, and amortization 342 419  
Asset retirement obligation accretion 11 10  
Total operating expenses 726 1,264  
Operating Income (Loss) 519 449  
Other Income (Expense):      
Total Assets 12,593 13,136  
Operating Segments | U.S. | Commodity derivative instruments      
Segment Reporting Information [Line Items]      
Realized losses on commodity derivative instruments (66)    
Operating Segments | Egypt      
Segment Reporting Information [Line Items]      
Revenues and realized gain on derivatives 809 673  
OPERATING EXPENSES:      
Lease operating expenses 110 110  
Taxes other than income 0 0  
Exploration 19 20  
Depreciation, depletion, and amortization 151 153  
Asset retirement obligation accretion 0 0  
Total operating expenses 288 288  
Operating Income (Loss) 521 385  
Other Income (Expense):      
Total Assets 3,159 3,441  
Operating Segments | Egypt | Commodity derivative instruments      
Segment Reporting Information [Line Items]      
Realized losses on commodity derivative instruments 0    
Operating Segments | North Sea      
Segment Reporting Information [Line Items]      
Revenues and realized gain on derivatives 207 250  
OPERATING EXPENSES:      
Lease operating expenses 82 97  
Taxes other than income 0 0  
Exploration 1 1  
Depreciation, depletion, and amortization 60 71  
Asset retirement obligation accretion 31 29  
Total operating expenses 189 212  
Operating Income (Loss) 18 38  
Other Income (Expense):      
Total Assets 1,306 1,252  
Operating Segments | North Sea | Commodity derivative instruments      
Segment Reporting Information [Line Items]      
Realized losses on commodity derivative instruments 0    
Intersegment Eliminations & Other      
Segment Reporting Information [Line Items]      
Revenues and realized gain on derivatives 0 0  
OPERATING EXPENSES:      
Lease operating expenses 0 0  
Taxes other than income 0 0  
Exploration 3 7  
Depreciation, depletion, and amortization 0 0  
Asset retirement obligation accretion 0 0  
Total operating expenses 3 7  
Operating Income (Loss) (3) (7)  
Other Income (Expense):      
Total Assets 1,021 702  
Intersegment Eliminations & Other | Commodity derivative instruments      
Segment Reporting Information [Line Items]      
Realized losses on commodity derivative instruments 0    
Oil and gas, excluding purchased      
Segment Reporting Information [Line Items]      
Total revenues 1,942 2,039  
OPERATING EXPENSES:      
Gathering, processing, and transmission & purchased oil and gas costs 91 104  
Oil and gas, excluding purchased | Operating Segments | U.S.      
Segment Reporting Information [Line Items]      
Total revenues 926 1,116  
OPERATING EXPENSES:      
Gathering, processing, and transmission & purchased oil and gas costs 68 85  
Oil and gas, excluding purchased | Operating Segments | Egypt      
Segment Reporting Information [Line Items]      
Total revenues 809 673  
OPERATING EXPENSES:      
Gathering, processing, and transmission & purchased oil and gas costs 8 5  
Oil and gas, excluding purchased | Operating Segments | North Sea      
Segment Reporting Information [Line Items]      
Total revenues 207 250  
OPERATING EXPENSES:      
Gathering, processing, and transmission & purchased oil and gas costs 15 14  
Oil and gas, excluding purchased | Intersegment Eliminations & Other      
Segment Reporting Information [Line Items]      
Total revenues 0 0  
OPERATING EXPENSES:      
Gathering, processing, and transmission & purchased oil and gas costs 0 0  
Purchased oil and gas      
Segment Reporting Information [Line Items]      
Total revenues 385 597  
OPERATING EXPENSES:      
Gathering, processing, and transmission & purchased oil and gas costs 75 474  
Purchased oil and gas | Operating Segments | U.S.      
Segment Reporting Information [Line Items]      
Total revenues 385 597  
OPERATING EXPENSES:      
Gathering, processing, and transmission & purchased oil and gas costs 75 474  
Purchased oil and gas | Operating Segments | Egypt      
Segment Reporting Information [Line Items]      
Total revenues 0 0  
OPERATING EXPENSES:      
Gathering, processing, and transmission & purchased oil and gas costs 0 0  
Purchased oil and gas | Operating Segments | North Sea      
Segment Reporting Information [Line Items]      
Total revenues 0 0  
OPERATING EXPENSES:      
Gathering, processing, and transmission & purchased oil and gas costs 0 0  
Purchased oil and gas | Intersegment Eliminations & Other      
Segment Reporting Information [Line Items]      
Total revenues 0 0  
OPERATING EXPENSES:      
Gathering, processing, and transmission & purchased oil and gas costs 0 0  
Oil revenues      
Other Income (Expense):      
Revenue from non-customers 192 151  
Oil revenues | Oil and gas, excluding purchased      
Segment Reporting Information [Line Items]      
Total revenues 1,644 1,600  
Oil revenues | Oil and gas, excluding purchased | Operating Segments | U.S.      
Segment Reporting Information [Line Items]      
Total revenues 809 816  
Oil revenues | Oil and gas, excluding purchased | Operating Segments | Egypt      
Segment Reporting Information [Line Items]      
Total revenues 671 582  
Oil revenues | Oil and gas, excluding purchased | Operating Segments | North Sea      
Segment Reporting Information [Line Items]      
Total revenues 164 202  
Oil revenues | Oil and gas, excluding purchased | Intersegment Eliminations & Other      
Segment Reporting Information [Line Items]      
Total revenues 0 0  
Natural gas revenues      
Other Income (Expense):      
Revenue from non-customers 40 24  
Natural gas revenues | Oil and gas, excluding purchased      
Segment Reporting Information [Line Items]      
Total revenues 157 233  
Natural gas revenues | Oil and gas, excluding purchased | Operating Segments | U.S.      
Segment Reporting Information [Line Items]      
Total revenues (12) 104  
Natural gas revenues | Oil and gas, excluding purchased | Operating Segments | Egypt      
Segment Reporting Information [Line Items]      
Total revenues 138 91  
Natural gas revenues | Oil and gas, excluding purchased | Operating Segments | North Sea      
Segment Reporting Information [Line Items]      
Total revenues 31 38  
Natural gas revenues | Oil and gas, excluding purchased | Intersegment Eliminations & Other      
Segment Reporting Information [Line Items]      
Total revenues 0 0  
Natural gas liquids revenues | Oil and gas, excluding purchased      
Segment Reporting Information [Line Items]      
Total revenues 141 206  
Natural gas liquids revenues | Oil and gas, excluding purchased | Operating Segments | U.S.      
Segment Reporting Information [Line Items]      
Total revenues 129 196  
Natural gas liquids revenues | Oil and gas, excluding purchased | Operating Segments | Egypt      
Segment Reporting Information [Line Items]      
Total revenues 0 0  
Natural gas liquids revenues | Oil and gas, excluding purchased | Operating Segments | North Sea      
Segment Reporting Information [Line Items]      
Total revenues 12 10  
Natural gas liquids revenues | Oil and gas, excluding purchased | Intersegment Eliminations & Other      
Segment Reporting Information [Line Items]      
Total revenues $ 0 $ 0