BUSINESS SEGMENT INFORMATION - Financial Segment Information (Details) - USD ($)		3 Months Ended		6 Months Ended
		Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2023
Operating Expenses:
Lease operating expenses	[1]	$ 460,000,000	$ 361,000,000	$ 798,000,000	$ 682,000,000
Taxes other than income		78,000,000	50,000,000	135,000,000	102,000,000
Exploration		71,000,000	43,000,000	219,000,000	95,000,000
Depreciation, depletion, and amortization		588,000,000	367,000,000	1,018,000,000	699,000,000
Asset retirement obligation accretion		36,000,000	29,000,000	76,000,000	57,000,000
Impairments		0	46,000,000	0	46,000,000
Total operating expenses		1,564,000,000	1,105,000,000	2,824,000,000	2,184,000,000
Operating Income (Loss)		979,000,000	691,000,000	1,670,000,000	1,620,000,000
Other Income (Expense):
Derivative instrument gains (losses), net		(3,000,000)	51,000,000	(7,000,000)	104,000,000
Loss on previously sold Gulf of Mexico properties		(17,000,000)	0	(83,000,000)	0
Loss on offshore decommissioning contingency				(83,000,000)
Gain on divestitures, net		276,000,000	5,000,000	283,000,000	6,000,000
Other, net		(7,000,000)	109,000,000	8,000,000	77,000,000
General and administrative		(85,000,000)	(72,000,000)	(178,000,000)	(137,000,000)
Transaction, reorganization, and separation		(115,000,000)	(2,000,000)	(142,000,000)	(6,000,000)
Financing costs, net		(100,000,000)	(82,000,000)	(176,000,000)	(154,000,000)
NET INCOME BEFORE INCOME TAXES		928,000,000	700,000,000	1,375,000,000	1,510,000,000
Total Assets		20,195,000,000	13,244,000,000	20,195,000,000	13,244,000,000	$ 15,244,000,000
Operating Segments | U.S.
Operating Expenses:
Lease operating expenses		220,000,000	141,000,000	360,000,000	288,000,000
Taxes other than income		78,000,000	50,000,000	135,000,000	102,000,000
Exploration		37,000,000	3,000,000	107,000,000	6,000,000
Depreciation, depletion, and amortization		361,000,000	180,000,000	575,000,000	331,000,000
Asset retirement obligation accretion		10,000,000	10,000,000	25,000,000	20,000,000
Impairments			0		0
Total operating expenses		1,014,000,000	575,000,000	1,737,000,000	1,214,000,000
Operating Income (Loss)		516,000,000	235,000,000	772,000,000	530,000,000
Other Income (Expense):
Total Assets		14,075,000,000	7,640,000,000	14,075,000,000	7,640,000,000
Impairments		0	3,000,000	10,000,000	5,000,000
Operating Segments | Egypt
Operating Expenses:
Lease operating expenses		123,000,000	121,000,000	243,000,000	218,000,000
Taxes other than income		0	0	0	0
Exploration		25,000,000	30,000,000	56,000,000	66,000,000
Depreciation, depletion, and amortization		152,000,000	126,000,000	297,000,000	249,000,000
Asset retirement obligation accretion		0	0	0	0
Impairments			0		0
Total operating expenses		307,000,000	283,000,000	609,000,000	546,000,000
Operating Income (Loss)		439,000,000	425,000,000	871,000,000	884,000,000
Other Income (Expense):
Total Assets		3,740,000,000	3,365,000,000	3,740,000,000	3,365,000,000
Operating Segments | North Sea
Operating Expenses:
Lease operating expenses		117,000,000	99,000,000	195,000,000	176,000,000
Taxes other than income		0	0	0	0
Exploration		1,000,000	4,000,000	1,000,000	9,000,000
Depreciation, depletion, and amortization		75,000,000	61,000,000	146,000,000	119,000,000
Asset retirement obligation accretion		26,000,000	19,000,000	51,000,000	37,000,000
Impairments			46,000,000		46,000,000
Total operating expenses		235,000,000	241,000,000	423,000,000	410,000,000
Operating Income (Loss)		32,000,000	37,000,000	82,000,000	220,000,000
Other Income (Expense):
Total Assets		1,844,000,000	1,719,000,000	1,844,000,000	1,719,000,000
Impairments			3,000,000		6,000,000
Intersegment Eliminations & Other
Operating Expenses:
Lease operating expenses		0	0	0	0
Taxes other than income		0	0	0	0
Exploration		8,000,000	6,000,000	55,000,000	14,000,000
Depreciation, depletion, and amortization		0	0	0	0
Asset retirement obligation accretion		0	0	0	0
Impairments			0		0
Total operating expenses		8,000,000	6,000,000	55,000,000	14,000,000
Operating Income (Loss)		(8,000,000)	(6,000,000)	(55,000,000)	(14,000,000)
Other Income (Expense):
Total Assets		536,000,000	520,000,000	536,000,000	520,000,000
Oil and gas
Segment Reporting Information [Line Items]
Revenues		2,543,000,000	1,796,000,000	4,494,000,000	3,804,000,000
Oil and gas | Operating Segments | U.S.
Segment Reporting Information [Line Items]
Revenues		1,530,000,000	810,000,000	2,509,000,000	1,744,000,000
Oil and gas | Operating Segments | Egypt
Segment Reporting Information [Line Items]
Revenues		746,000,000	708,000,000	1,480,000,000	1,430,000,000
Oil and gas | Operating Segments | North Sea
Segment Reporting Information [Line Items]
Revenues		267,000,000	278,000,000	505,000,000	630,000,000
Oil and gas | Intersegment Eliminations & Other
Segment Reporting Information [Line Items]
Revenues		0	0	0	0
Oil and gas, excluding purchased
Segment Reporting Information [Line Items]
Revenues	[1]	2,201,000,000	1,652,000,000	3,949,000,000	3,421,000,000
Operating Expenses:
Gathering, processing, and transmission & purchased oil and gas costs	[1]	121,000,000	78,000,000	205,000,000	156,000,000
Oil and gas, excluding purchased | Operating Segments | U.S.
Segment Reporting Information [Line Items]
Revenues		1,188,000,000	666,000,000	1,964,000,000	1,361,000,000
Operating Expenses:
Gathering, processing, and transmission & purchased oil and gas costs		98,000,000	60,000,000	162,000,000	120,000,000
Oil and gas, excluding purchased | Operating Segments | Egypt
Segment Reporting Information [Line Items]
Revenues		746,000,000	708,000,000	1,480,000,000	1,430,000,000
Operating Expenses:
Gathering, processing, and transmission & purchased oil and gas costs		7,000,000	6,000,000	13,000,000	13,000,000
Oil and gas, excluding purchased | Operating Segments | North Sea
Segment Reporting Information [Line Items]
Revenues		267,000,000	278,000,000	505,000,000	630,000,000
Operating Expenses:
Gathering, processing, and transmission & purchased oil and gas costs		16,000,000	12,000,000	30,000,000	23,000,000
Oil and gas, excluding purchased | Intersegment Eliminations & Other
Segment Reporting Information [Line Items]
Revenues		0	0	0	0
Operating Expenses:
Gathering, processing, and transmission & purchased oil and gas costs		0	0	0	0
Purchased oil and gas
Segment Reporting Information [Line Items]
Revenues	[1]	342,000,000	144,000,000	545,000,000	383,000,000
Operating Expenses:
Gathering, processing, and transmission & purchased oil and gas costs	[1]	210,000,000	131,000,000	373,000,000	347,000,000
Purchased oil and gas | Operating Segments | U.S.
Segment Reporting Information [Line Items]
Revenues		342,000,000	144,000,000	545,000,000	383,000,000
Operating Expenses:
Gathering, processing, and transmission & purchased oil and gas costs		210,000,000	131,000,000	373,000,000	347,000,000
Purchased oil and gas | Operating Segments | Egypt
Segment Reporting Information [Line Items]
Revenues		0	0	0	0
Operating Expenses:
Gathering, processing, and transmission & purchased oil and gas costs		0	0	0	0
Purchased oil and gas | Operating Segments | North Sea
Segment Reporting Information [Line Items]
Revenues		0	0	0	0
Operating Expenses:
Gathering, processing, and transmission & purchased oil and gas costs		0	0	0	0
Purchased oil and gas | Intersegment Eliminations & Other
Segment Reporting Information [Line Items]
Revenues		0	0	0	0
Operating Expenses:
Gathering, processing, and transmission & purchased oil and gas costs		0	0	0	0
Oil revenues
Other Income (Expense):
Revenue from non-customers		177,000,000	165,000,000	351,000,000	337,000,000
Oil revenues | Oil and gas, excluding purchased
Segment Reporting Information [Line Items]
Revenues		1,907,000,000	1,365,000,000	3,339,000,000	2,762,000,000
Oil revenues | Oil and gas, excluding purchased | Operating Segments | U.S.
Segment Reporting Information [Line Items]
Revenues		1,021,000,000	512,000,000	1,609,000,000	998,000,000
Oil revenues | Oil and gas, excluding purchased | Operating Segments | Egypt
Segment Reporting Information [Line Items]
Revenues		673,000,000	618,000,000	1,330,000,000	1,247,000,000
Oil revenues | Oil and gas, excluding purchased | Operating Segments | North Sea
Segment Reporting Information [Line Items]
Revenues		213,000,000	235,000,000	400,000,000	517,000,000
Oil revenues | Oil and gas, excluding purchased | Intersegment Eliminations & Other
Segment Reporting Information [Line Items]
Revenues		0	0	0	0
Natural gas revenues
Other Income (Expense):
Revenue from non-customers		19,000,000	24,000,000	40,000,000	50,000,000
Natural gas revenues | Oil and gas, excluding purchased
Segment Reporting Information [Line Items]
Revenues		135,000,000	180,000,000	311,000,000	422,000,000
Natural gas revenues | Oil and gas, excluding purchased | Operating Segments | U.S.
Segment Reporting Information [Line Items]
Revenues		15,000,000	51,000,000	72,000,000	140,000,000
Natural gas revenues | Oil and gas, excluding purchased | Operating Segments | Egypt
Segment Reporting Information [Line Items]
Revenues		73,000,000	90,000,000	150,000,000	183,000,000
Natural gas revenues | Oil and gas, excluding purchased | Operating Segments | North Sea
Segment Reporting Information [Line Items]
Revenues		47,000,000	39,000,000	89,000,000	99,000,000
Natural gas revenues | Oil and gas, excluding purchased | Intersegment Eliminations & Other
Segment Reporting Information [Line Items]
Revenues		0	0	0	0
Natural gas liquids revenues | Oil and gas, excluding purchased
Segment Reporting Information [Line Items]
Revenues		159,000,000	107,000,000	299,000,000	237,000,000
Natural gas liquids revenues | Oil and gas, excluding purchased | Operating Segments | U.S.
Segment Reporting Information [Line Items]
Revenues		152,000,000	103,000,000	283,000,000	223,000,000
Natural gas liquids revenues | Oil and gas, excluding purchased | Operating Segments | Egypt
Segment Reporting Information [Line Items]
Revenues		0	0	0	0
Natural gas liquids revenues | Oil and gas, excluding purchased | Operating Segments | North Sea
Segment Reporting Information [Line Items]
Revenues		7,000,000	4,000,000	16,000,000	14,000,000
Natural gas liquids revenues | Oil and gas, excluding purchased | Intersegment Eliminations & Other
Segment Reporting Information [Line Items]
Revenues		$ 0	$ 0	$ 0	$ 0

[1] For transactions with Kinetik prior to the Company’s sale of its remaining shares of Kinetik Class A Common Stock and the resignation of the Company’s designated director from the Kinetik board of directors, refer to Note 6—Equity Method Interests.