v3.26.1
BUSINESS SEGMENT INFORMATION - Schedule of Financial Segment Information (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Segment Reporting [Line Items]          
Realized gain (losses) on commodity derivative instruments $ (109) $ 2 $ (175) $ 2  
Revenues and realized gain on derivatives 2,264 2,180      
OPERATING EXPENSES:          
Lease operating expenses 353 367 715 774  
Taxes other than income 61 54 118 128  
Exploration 58 43 84 73  
Depreciation, depletion, and amortization 504 530 1,057 1,173  
Asset retirement obligation accretion 43 39 85 78  
Total operating expenses 984 1,441 2,190 3,212  
Operating Income (Loss) 1,280 739 2,335 1,604  
Other Income (Expense):          
Unrealized gains on derivative instruments 117 136 70 108  
Gain (loss) on divestitures, net (2) 282 (2) 280  
Other, net 20 14 21 20  
General and administrative (68) (66) (183) (164)  
Transaction, reorganization, and separation (12) (11) (19) (48)  
Financing costs, net (58) (66) (115) (9)  
Income Before Income Taxes 1,277 1,028 2,107 1,791  
Total Assets 17,973 18,078 17,973 18,078 $ 17,761
Impairment of leasehold 1 0 2 0  
Commodity derivative instruments          
Segment Reporting [Line Items]          
Realized gain (losses) on commodity derivative instruments (109) 2 (175) 2  
Operating Segments | U.S.          
Segment Reporting [Line Items]          
Revenues and realized gain on derivatives 1,385 1,384      
OPERATING EXPENSES:          
Lease operating expenses 180 196 350 396  
Taxes other than income 61 54 118 128  
Exploration 6 1 9 3  
Depreciation, depletion, and amortization 340 328 682 747  
Asset retirement obligation accretion 11 11 22 21  
Total operating expenses 545 979 1,270 2,243  
Operating Income (Loss) 840 405 1,360 854  
Other Income (Expense):          
Total Assets 12,514 12,752 12,514 12,752  
Operating Segments | U.S. | Commodity derivative instruments          
Segment Reporting [Line Items]          
Realized gain (losses) on commodity derivative instruments (109) 2 (175) 2  
Operating Segments | Egypt          
Segment Reporting [Line Items]          
Revenues and realized gain on derivatives 739 630      
OPERATING EXPENSES:          
Lease operating expenses 118 100 228 210  
Taxes other than income 0 0 0 0  
Exploration 50 40 69 60  
Depreciation, depletion, and amortization 133 149 284 302  
Asset retirement obligation accretion 0 0 0 0  
Total operating expenses 305 296 593 584  
Operating Income (Loss) 434 334 955 719  
Other Income (Expense):          
Total Assets 3,125 3,386 3,125 3,386  
Operating Segments | Egypt | Commodity derivative instruments          
Segment Reporting [Line Items]          
Realized gain (losses) on commodity derivative instruments 0 0 0 0  
Operating Segments | North Sea          
Segment Reporting [Line Items]          
Revenues and realized gain on derivatives 140 166      
OPERATING EXPENSES:          
Lease operating expenses 55 71 137 168  
Taxes other than income 0 0 0 0  
Exploration 0 0 1 1  
Depreciation, depletion, and amortization 31 53 91 124  
Asset retirement obligation accretion 32 28 63 57  
Total operating expenses 132 164 322 376  
Operating Income (Loss) 8 2 25 40  
Other Income (Expense):          
Total Assets 1,252 1,163 1,252 1,163  
Operating Segments | North Sea | Commodity derivative instruments          
Segment Reporting [Line Items]          
Realized gain (losses) on commodity derivative instruments 0 0 0 0  
Other          
Segment Reporting [Line Items]          
Revenues and realized gain on derivatives 0 0      
OPERATING EXPENSES:          
Lease operating expenses 0 0 0 0  
Taxes other than income 0 0 0 0  
Exploration 2 2 5 9  
Depreciation, depletion, and amortization 0 0 0 0  
Asset retirement obligation accretion 0 0 0 0  
Total operating expenses 2 2 5 9  
Operating Income (Loss) (2) (2) (5) (9)  
Other Income (Expense):          
Total Assets 1,082 777 1,082 777  
Other | Commodity derivative instruments          
Segment Reporting [Line Items]          
Realized gain (losses) on commodity derivative instruments 0 0 0 0  
Other | North Sea | Commodity derivative instruments          
Segment Reporting [Line Items]          
Realized gain (losses) on commodity derivative instruments       0  
Oil and gas, excluding purchased          
Segment Reporting [Line Items]          
Total revenues 2,037 1,718 3,979 3,757  
OPERATING EXPENSES:          
Gathering, processing, and transmission & purchased oil and gas costs (proceeds) 87 104 178 208  
Oil and gas, excluding purchased | Operating Segments | U.S.          
Segment Reporting [Line Items]          
Total revenues 1,158 922 2,084 2,038  
OPERATING EXPENSES:          
Gathering, processing, and transmission & purchased oil and gas costs (proceeds) 69 85 136 170  
Oil and gas, excluding purchased | Operating Segments | Egypt          
Segment Reporting [Line Items]          
Total revenues 739 630 1,548 1,303  
OPERATING EXPENSES:          
Gathering, processing, and transmission & purchased oil and gas costs (proceeds) 4 7 12 12  
Oil and gas, excluding purchased | Operating Segments | North Sea          
Segment Reporting [Line Items]          
Total revenues 140 166 347 416  
OPERATING EXPENSES:          
Gathering, processing, and transmission & purchased oil and gas costs (proceeds) 14 12 30 26  
Oil and gas, excluding purchased | Other          
Segment Reporting [Line Items]          
Total revenues 0 0 0 0  
OPERATING EXPENSES:          
Gathering, processing, and transmission & purchased oil and gas costs (proceeds) 0 0 0 0  
Purchased oil and gas          
Segment Reporting [Line Items]          
Total revenues 336 460 721 1,057  
OPERATING EXPENSES:          
Gathering, processing, and transmission & purchased oil and gas costs (proceeds) (122) 304 (47) 778  
Purchased oil and gas | Operating Segments | U.S.          
Segment Reporting [Line Items]          
Total revenues 336 460 721 1,057  
OPERATING EXPENSES:          
Gathering, processing, and transmission & purchased oil and gas costs (proceeds) (122) 304 (47) 778  
Purchased oil and gas | Operating Segments | Egypt          
Segment Reporting [Line Items]          
Total revenues 0 0 0 0  
OPERATING EXPENSES:          
Gathering, processing, and transmission & purchased oil and gas costs (proceeds) 0 0 0 0  
Purchased oil and gas | Operating Segments | North Sea          
Segment Reporting [Line Items]          
Total revenues 0 0 0 0  
OPERATING EXPENSES:          
Gathering, processing, and transmission & purchased oil and gas costs (proceeds) 0 0 0 0  
Purchased oil and gas | Other          
Segment Reporting [Line Items]          
Total revenues 0 0 0 0  
OPERATING EXPENSES:          
Gathering, processing, and transmission & purchased oil and gas costs (proceeds) 0 0 0 0  
Oil and gas          
Segment Reporting [Line Items]          
Total revenues 2,373 2,178 4,700 4,814  
Revenues and realized gain on derivatives     4,525 4,816  
Oil and gas | Operating Segments | U.S.          
Segment Reporting [Line Items]          
Revenues and realized gain on derivatives     2,630 3,097  
Oil and gas | Operating Segments | Egypt          
Segment Reporting [Line Items]          
Revenues and realized gain on derivatives     1,548 1,303  
Oil and gas | Operating Segments | North Sea          
Segment Reporting [Line Items]          
Revenues and realized gain on derivatives     347 416  
Oil and gas | Other          
Segment Reporting [Line Items]          
Revenues and realized gain on derivatives     0 0  
Oil revenues          
Other Income (Expense):          
Revenue from non-customers 161 125 353 276  
Oil revenues | Oil and gas, excluding purchased          
Segment Reporting [Line Items]          
Total revenues 1,826 1,381 3,470 2,981  
Oil revenues | Oil and gas, excluding purchased | Operating Segments | U.S.          
Segment Reporting [Line Items]          
Total revenues 1,106 730 1,915 1,546  
Oil revenues | Oil and gas, excluding purchased | Operating Segments | Egypt          
Segment Reporting [Line Items]          
Total revenues 613 521 1,284 1,103  
Oil revenues | Oil and gas, excluding purchased | Operating Segments | North Sea          
Segment Reporting [Line Items]          
Total revenues 107 130 271 332  
Oil revenues | Oil and gas, excluding purchased | Other          
Segment Reporting [Line Items]          
Total revenues 0 0 0 0  
Natural gas revenues          
Other Income (Expense):          
Revenue from non-customers 33 26 73 50  
Natural gas revenues | Oil and gas, excluding purchased          
Segment Reporting [Line Items]          
Total revenues 41 184 198 417  
Natural gas revenues | Oil and gas, excluding purchased | Operating Segments | U.S.          
Segment Reporting [Line Items]          
Total revenues (109) 48 (121) 152  
Natural gas revenues | Oil and gas, excluding purchased | Operating Segments | Egypt          
Segment Reporting [Line Items]          
Total revenues 126 109 264 200  
Natural gas revenues | Oil and gas, excluding purchased | Operating Segments | North Sea          
Segment Reporting [Line Items]          
Total revenues 24 27 55 65  
Natural gas revenues | Oil and gas, excluding purchased | Other          
Segment Reporting [Line Items]          
Total revenues 0 0 0 0  
Natural gas liquids revenues | Oil and gas, excluding purchased          
Segment Reporting [Line Items]          
Total revenues 170 153 311 359  
Natural gas liquids revenues | Oil and gas, excluding purchased | Operating Segments | U.S.          
Segment Reporting [Line Items]          
Total revenues 161 144 290 340  
Natural gas liquids revenues | Oil and gas, excluding purchased | Operating Segments | Egypt          
Segment Reporting [Line Items]          
Total revenues 0 0 0 0  
Natural gas liquids revenues | Oil and gas, excluding purchased | Operating Segments | North Sea          
Segment Reporting [Line Items]          
Total revenues 9 9 21 19  
Natural gas liquids revenues | Oil and gas, excluding purchased | Other          
Segment Reporting [Line Items]          
Total revenues $ 0 $ 0 $ 0 $ 0