STATEMENT OF CONSOLIDATED CASH FLOWS - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
CASH FLOWS FROM OPERATING ACTIVITIES:
NET INCOME (LOSS) INCLUDING NONCONTROLLING INTERESTS	$ (3,682)	$ 286	$ 1,503
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Gain on divestitures	(43)	(23)	(627)
Exploratory dry hole expense and unproved leasehold impairments	676	351	429
Depreciation, depletion, and amortization	2,680	2,405	2,280
Asset retirement obligation accretion	107	108	130
Impairments	2,949	511	8
Provision for (benefit from) deferred income taxes	14	(222)	(1,180)
Loss from extinguishment of debt	75	94	1
Other	94	22	204
Changes in operating assets and liabilities:
Receivables	133	150	(270)
Inventories	(41)	(6)	32
Drilling advances	(21)	(11)	(128)
Deferred charges and other	51	83	(58)
Accounts payable	(5)	77	63
Accrued expenses	(84)	5	4
Deferred credits and noncurrent liabilities	(36)	(53)	37
NET CASH PROVIDED BY OPERATING ACTIVITIES	2,867	3,777	2,428
CASH FLOWS FROM INVESTING ACTIVITIES:
Additions to oil and gas property	(2,594)	(3,190)	(2,052)
Additions to Altus gathering, processing, and transmission (GPT) facilities	(327)	(581)	(530)
Leasehold and property acquisitions	(40)	(133)	(178)
Altus equity method interests	(1,172)	(91)	0
Proceeds from sale of Canadian assets, net of cash divested	0	0	661
Proceeds from sale of oil and gas properties and GPT, other	718	138	758
Other, net	(31)	(87)	(75)
NET CASH USED IN INVESTING ACTIVITIES	(3,446)	(3,944)	(1,416)
CASH FLOWS FROM FINANCING ACTIVITIES:
Commercial paper, credit facilities and bank notes, net	0	0	0
Proceeds from Altus credit facility	396	0	0
Fixed rate debt borrowings	989	992	0
Payments on fixed-rate debt	(1,150)	(1,370)	(70)
Proceeds from Altus transaction	0	628	0
Distributions to noncontrolling interest - Egypt	(305)	(345)	(265)
Redeemable noncontrolling interest - Altus Preferred Unit limited partners	611	0	0
Dividends paid	(376)	(382)	(380)
Treasury stock activity, net	2	(305)	0
Other	(55)	(5)	(6)
NET CASH PROVIDED BY (USED IN) FINANCING ACTIVITIES	112	(787)	(721)
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	(467)	(954)	291
CASH AND CASH EQUIVALENTS AT BEGINNING OF YEAR	714	1,668	1,377
CASH AND CASH EQUIVALENTS AT END OF PERIOD	247	714	1,668
SUPPLEMENTARY CASH FLOW DATA:
Interest paid, net of capitalized interest	394	402	405
Income taxes paid, net of refunds	$ 649	$ 867	$ 516