STATEMENT OF CONSOLIDATED OPERATIONS (Unaudited) - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
REVENUES AND OTHER:
Oil and gas production revenues	$ 1,976	$ 1,389	$ 5,645	$ 4,247
Derivative instrument gains (losses), net	(23)	(110)	(46)	(69)
Gain on divestitures	1	296	10	616
Other	29	0	50	43
Revenues	1,983	1,575	5,659	4,837
OPERATING EXPENSES:
Lease operating expenses	382	353	1,087	1,059
Gathering, transmission, and processing	92	44	260	151
Taxes other than income	58	46	162	117
Exploration	99	231	251	431
General and administrative	99	98	330	307
Transaction, reorganization, and separation	8	20	20	14
Depreciation, depletion and amortization			1,771	1,707
Asset retirement obligation accretion	27	30	81	103
Impairments	10	0	10	8
Financing costs, net	192	101	385	300
Total operating expenses	1,577	1,482	4,357	4,197
NET INCOME BEFORE INCOME TAXES	406	93	1,302	640
Current income tax provision	262	99	709	413
Deferred income tax benefit	(17)	(111)	(43)	(758)
NET INCOME INCLUDING NONCONTROLLING INTEREST	161	105	636	985
Net income attributable to noncontrolling interest	80	42	215	137
NET INCOME (LOSS) ATTRIBUTABLE TO COMMON STOCK	$ 81	$ 63	$ 421	$ 848
NET INCOME PER COMMON SHARE:
Basic (in USD per share)	$ 0.21	$ 0.16	$ 1.10	$ 2.23
Diluted (in USD per share)	$ 0.21	$ 0.16	$ 1.09	$ 2.22
WEIGHTED-AVERAGE NUMBER OF COMMON SHARES OUTSTANDING:
Basic (in shares)	383	381	383	381
Diluted (in shares)	385	383	385	383
DIVIDENDS DECLARED PER COMMON SHARE (in USD per share)	$ 0.25	$ 0.25	$ 0.75	$ 0.75
Oil and gas property and equipment
OPERATING EXPENSES:
Depreciation, depletion and amortization	$ 575	$ 524	$ 1,666	$ 1,598
Other assets
OPERATING EXPENSES:
Depreciation, depletion and amortization	35	35	105	109
Oil
REVENUES AND OTHER:
Oil and gas production revenues	1,555	1,070	4,524	3,292
Natural Gas
REVENUES AND OTHER:
Oil and gas production revenues	241	238	675	726
Natural gas liquids
REVENUES AND OTHER:
Oil and gas production revenues	$ 180	$ 81	$ 446	$ 229