STATEMENT OF CONSOLIDATED OPERATIONS (Unaudited) - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
REVENUES AND OTHER:
Oil and gas production revenues	$ 1,728	$ 1,512
Gain on divestitures	7	341
Other	7	25
Total revenues and other	1,742	1,878
OPERATING EXPENSES:
Lease operating expenses	349	336
Gathering, transmission, and processing	81	57
Taxes other than income	55	42
Exploration	76	92
General and administrative	114	103
Transaction, reorganization, and separation	0	(10)
Depreciation, depletion and amortization	553	576
Asset retirement obligation accretion	27	36
Impairments	0	8
Financing costs, net	99	100
Total operating expenses	1,354	1,340
NET INCOME BEFORE INCOME TAXES	388	538
Current income tax provision	198	188
Deferred income tax provision (benefit)	(16)	83
NET INCOME INCLUDING NONCONTROLLING INTEREST	206	267
Net income attributable to noncontrolling interest	61	54
NET INCOME ATTRIBUTABLE TO COMMON STOCK	$ 145	$ 213
NET INCOME PER COMMON SHARE:
Basic (in USD per share)	$ 0.38	$ 0.56
Diluted (in USD per share)	$ 0.38	$ 0.56
WEIGHTED-AVERAGE NUMBER OF COMMON SHARES OUTSTANDING:
Basic (in shares)	382	380
Diluted (in shares)	384	383
DIVIDENDS DECLARED PER COMMON SHARE (in USD per share)	$ 0.25	$ 0.25
Oil and gas property and equipment
OPERATING EXPENSES:
Depreciation, depletion and amortization	$ 518	$ 538
Other assets
OPERATING EXPENSES:
Depreciation, depletion and amortization	35	38
Oil
REVENUES AND OTHER:
Oil and gas production revenues	1,392	1,172
Natural Gas
REVENUES AND OTHER:
Oil and gas production revenues	218	255
Natural gas liquids
REVENUES AND OTHER:
Oil and gas production revenues	$ 118	$ 85