STATEMENT OF CONSOLIDATED OPERATIONS (Unaudited) - USD ($) shares in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
REVENUES AND OTHER:
Oil and Gas Production Revenues	$ 1,389,000,000	$ 1,439,000,000	$ 4,247,000,000	$ 3,912,000,000
Derivative instrument losses, net	(110,000,000)	0	(69,000,000)	0
Gain on divestitures	296,000,000	5,000,000	616,000,000	21,000,000
Other	0	(6,000,000)	43,000,000	(30,000,000)
Total revenues and other	1,575,000,000	1,438,000,000	4,837,000,000	3,903,000,000
OPERATING EXPENSES:
Lease operating expenses	358,000,000	382,000,000	1,066,000,000	1,119,000,000
Gathering and transportation	39,000,000	51,000,000	144,000,000	155,000,000
Taxes other than income	46,000,000	9,000,000	117,000,000	85,000,000
Exploration	231,000,000	161,000,000	431,000,000	347,000,000
General and administrative	98,000,000	102,000,000	307,000,000	298,000,000
Transaction, reorganization, and separation	20,000,000	12,000,000	14,000,000	36,000,000
Depreciation, depletion and amortization			1,707,000,000	1,995,000,000
Asset retirement obligation accretion	30,000,000	40,000,000	103,000,000	116,000,000
Impairments	0	836,000,000	8,000,000	1,009,000,000
Financing costs, net	101,000,000	102,000,000	300,000,000	311,000,000
Total operating expenses	1,482,000,000	2,343,000,000	4,197,000,000	5,471,000,000
NET INCOME (LOSS) FROM CONTINUING OPERATIONS BEFORE INCOME TAXES	93,000,000	(905,000,000)	640,000,000	(1,568,000,000)
Current income tax provision	99,000,000	150,000,000	413,000,000	284,000,000
Deferred income tax benefit	(111,000,000)	(529,000,000)	(758,000,000)	(755,000,000)
NET INCOME (LOSS) FROM CONTINUING OPERATIONS INCLUDING NONCONTROLLING INTEREST	105,000,000	(526,000,000)	985,000,000	(1,097,000,000)
Net loss from discontinued operations, net of tax	0	(33,000,000)	0	(33,000,000)
NET INCOME (LOSS) INCLUDING NONCONTROLLING INTEREST	105,000,000	(559,000,000)	985,000,000	(1,130,000,000)
Net income attributable to noncontrolling interest	42,000,000	48,000,000	137,000,000	93,000,000
NET INCOME (LOSS) ATTRIBUTABLE TO COMMON STOCK	63,000,000	(607,000,000)	848,000,000	(1,223,000,000)
Net income (loss) from continuing operations attributable to common shareholders	63,000,000	(574,000,000)	848,000,000	(1,190,000,000)
Net loss from discontinued operations	0	(33,000,000)	0	(33,000,000)
NET INCOME (LOSS) ATTRIBUTABLE TO COMMON STOCK	$ 63,000,000	$ (607,000,000)	$ 848,000,000	$ (1,223,000,000)
NET INCOME (LOSS) PER COMMON SHARE:
Basic net income (loss) from continuing operations per share (in USD per share)	$ 0.16	$ (1.51)	$ 2.23	$ (3.14)
Basic net loss from discontinued operations per share (in USD per share)	0.00	(0.09)	0.00	(0.08)
Basic net income (loss) per share (in USD per share)	0.16	(1.60)	2.23	(3.22)
DILUTED NET INCOME (LOSS) PER COMMON SHARE:
Diluted net income (loss) from continuing operations per share (in USD per share)	0.16	(1.51)	2.22	(3.14)
Diluted net loss from discontinued operations per share (in USD per share)	0.00	(0.09)	0.00	(0.08)
Diluted net income (loss) per share (in USD per share)	$ 0.16	$ (1.60)	$ 2.22	$ (3.22)
WEIGHTED-AVERAGE NUMBER OF COMMON SHARES OUTSTANDING:
Basic (in shares)	381	380	381	379
Diluted (in shares)	383	380	383	379
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	$ 524,000,000	$ 610,000,000	$ 1,598,000,000	$ 1,875,000,000
Other assets
OPERATING EXPENSES:
Depreciation, depletion and amortization	35,000,000	38,000,000	109,000,000	120,000,000
Oil revenues
REVENUES AND OTHER:
Oil and Gas Production Revenues	1,070,000,000	1,117,000,000	3,292,000,000	3,057,000,000
Gas revenues
REVENUES AND OTHER:
Oil and Gas Production Revenues	238,000,000	263,000,000	726,000,000	695,000,000
Natural gas liquids revenues
REVENUES AND OTHER:
Oil and Gas Production Revenues	$ 81,000,000	$ 59,000,000	$ 229,000,000	$ 160,000,000