BUSINESS SEGMENT INFORMATION (Tables)

12 Months Ended

Dec. 31, 2020

Segment Reporting [Abstract]

Financial Segment Information

Financial information for each segment is presented below:

	Egypt(1)		North Sea		U.S.		Altus Midstream		Intersegment Eliminations & Other		Total(2)
	Upstream
	(In millions)
2020
Oil revenues	$	1,102	$	795	$	1,209	$	—	$	—	$	3,106
Natural gas revenues	280		67		251		—		—		598
Natural gas liquids revenues	8		21		304		—		—		333
Oil, natural gas, and natural gas liquids production revenues	1,390		883		1,764		—		—		4,037
Purchased oil and gas sales	—		—		394		4		—		398
Midstream service affiliate revenues	—		—		—		145		(145)		—
	1,390		883		2,158		149		(145)		4,435
Operating Expenses:
Lease operating expenses	424		305		400		—		(2)		1,127
Gathering, processing, and transmission	38		50		291		38		(143)		274
Purchased oil and gas costs	—		—		354		3		—		357
Taxes other than income	—		—		108		15		—		123
Exploration	63		28		168		—		15		274
Depreciation, depletion, and amortization	601		380		779		12		—		1,772
Asset retirement obligation accretion	—		73		32		4		—		109
Impairments	529		7		3,963		2		—		4,501
	1,655		843		6,095		74		(130)		8,537
Operating Income (Loss)	$	(265)	$	40	$	(3,937)	$	75	$	(15)	(4,102)
Other Income (Expense):
Gain on divestitures, net											32
Derivative instrument losses, net											(223)
Other											64
General and administrative											(290)
Transaction, reorganization, and separation											(54)
Financing costs, net											(267)
Loss Before Income Taxes											$	(4,840)
Total Assets(3)	$	3,003	$	2,220	$	5,540	$	1,786	$	197	$	12,746
Net Property and Equipment	$	1,955	$	1,773	$	4,760	$	196	$	135	$	8,819
Additions to Net Property and Equipment	$	454	$	215	$	345	$	12	$	136	$	1,162

	Egypt(1)		North Sea		U.S.		Altus Midstream		Intersegment Eliminations & Other		Total(2)
	Upstream
	(In millions)
2019
Oil revenues	$	1,969	$	1,163	$	2,098	$	—	$	—	$	5,230
Natural gas revenues	295		90		293		—		—		678
Natural gas liquids revenues	12		23		372		—		—		407
Oil, natural gas, and natural gas liquids production revenues	2,276		1,276		2,763		—		—		6,315
Purchased oil and gas sales	—		—		176		—		—		176
Midstream service affiliate revenues	—		—		—		136		(136)		—
	2,276		1,276		2,939		136		(136)		6,491
Operating Expenses:
Lease operating expenses	484		320		645		—		(2)		1,447
Gathering, processing, and transmission	40		45		299		56		(134)		306
Purchased oil and gas costs	—		—		142		—		—		142
Taxes other than income	—		—		194		13		—		207
Exploration	100		2		688		—		15		805
Depreciation, depletion, and amortization	708		366		1,566		40		—		2,680
Asset retirement obligation accretion	—		76		29		2		—		107
Impairments	—		—		1,648		1,301		—		2,949
	1,332		809		5,211		1,412		(121)		8,643
Operating Income (Loss)	$	944	$	467	$	(2,272)	$	(1,276)	$	(15)	(2,152)
Other Income (Expense):
Gain on divestitures, net											43
Derivative instrument losses, net											(35)
Other											54
General and administrative											(406)
Transaction, reorganization, and separation											(50)
Financing costs, net											(462)
Loss Before Income Taxes											$	(3,008)
Total Assets(3)	$	3,700	$	2,473	$	10,388	$	1,479	$	67	$	18,107
Net Property and Equipment	$	2,573	$	1,956	$	9,385	$	206	$	38	$	14,158
Additions to Net Property and Equipment	$	454	$	183	$	1,696	$	308	$	93	$	2,734

	Egypt(1)		North Sea		U.S.		Altus Midstream		Intersegment Eliminations & Other		Total(2)
	Upstream
	(In millions)
2018
Oil revenues	$	2,396	$	1,179	$	2,271	$	—	$	—	$	5,846
Natural gas revenues	339		122		458		—		—		919
Natural gas liquids revenues	13		20		550		—		—		583
Oil, natural gas, and natural gas liquids production revenues	2,748		1,321		3,279		—		—		7,348
Purchased oil and gas sales	—		—		357		—		—		357
Midstream service affiliate revenues	—		—		—		77		(77)		—
	2,748		1,321		3,636		77		(77)		7,705
Operating Expenses:
Lease operating expenses	428		341		670		—		—		1,439
Gathering, processing, and transmission	47		42		282		54		(77)		348
Purchased oil and gas costs	—		—		340		—		—		340
Taxes other than income	—		—		207		8		—		215
Exploration	88		192		219		—		4		503
Depreciation, depletion, and amortization	745		375		1,266		19		—		2,405
Asset retirement obligation accretion	—		75		32		1		—		108
Impairments	63		10		438		—		—		511
	1,371		1,035		3,454		82		(73)		5,869
Operating Income (Loss)	$	1,377	$	286	$	182	$	(5)	$	(4)	1,836
Other Income (Expense):
Gain on divestitures, net											23
Derivative instrument losses, net											(17)
Other											53
General and administrative											(431)
Transaction, reorganization, and separation											(28)
Financing costs, net											(478)
Income Before Income Taxes											$	958
Total Assets(3)	$	4,260	$	2,456	$	12,962	$	1,857	$	47	$	21,582
Net Property and Equipment	$	2,856	$	2,148	$	12,145	$	1,227	$	45	$	18,421
Additions to Net Property and Equipment	$	594	$	223	$	2,544	$	545	$	8	$	3,914

(1)Includes revenue from non-customers for the years ended December 31, 2020, 2019, and 2018 of:

	For the Year Ended December 31,
	2020		2019		2018
	(In millions)
Oil	$	95	$	410	$	592
Natural gas	14		40		58
Natural gas liquids	—		1		2

(2)Includes a noncontrolling interest in Egypt and Altus Midstream.

(3)Intercompany balances are excluded from total assets.