CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
REVENUES:
Oil, natural gas and NGL	$ 1,279	$ 440	$ 2,748	$ 1,433
Marketing, gathering and compression	1,002	1,182	2,286	2,142
Total Revenues	2,281	1,622	5,034	3,575
OPERATING EXPENSES:
Oil, natural gas and NGL production	140	182	275	388
Oil, natural gas and NGL gathering, processing and transportation	357	481	712	963
Production taxes	21	19	43	37
Marketing, gathering and compression	1,027	1,207	2,355	2,149
General and administrative	70	61	135	109
Restructuring and other termination costs	0	3	0	3
Provision for legal contingencies	17	71	15	104
Oil, natural gas and NGL depreciation, depletion and amortization	202	277	399	540
Depreciation and amortization of other assets	21	29	42	58
Impairment of oil and natural gas properties	0	1,070	0	2,067
Impairments of fixed assets and other	26	6	417	44
Net (gains) losses on sales of fixed assets	1	(1)	1	(5)
Total Operating Expenses	1,882	3,405	4,394	6,457
INCOME (LOSS) FROM OPERATIONS	399	(1,783)	640	(2,882)
OTHER INCOME (EXPENSE):
Interest expense	(93)	(62)	(188)	(124)
Losses on investments	0	(2)	0	(2)
Loss on sale of investment	0	0	0	(10)
Gains on purchases or exchanges of debt	191	68	184	168
Other income (expense)	(1)	3	2	6
Total Other Income (Expense)	97	7	(2)	38
INCOME (LOSS) BEFORE INCOME TAXES	496	(1,776)	638	(2,844)
Income Tax Expense	1	0	2	0
NET INCOME (LOSS)	495	(1,776)	636	(2,844)
Net income attributable to noncontrolling interests	(1)	0	(2)	0
NET INCOME (LOSS) ATTRIBUTABLE TO CHESAPEAKE	494	(1,776)	634	(2,844)
Preferred stock dividends	(16)	(42)	(39)	(85)
Loss on exchange of preferred stock	0	0	(41)	0
Earnings allocated to participating securities	(8)	0	(7)	0
NET INCOME (LOSS) AVAILABLE TO COMMON STOCKHOLDERS	$ 470	$ (1,818)	$ 547	$ (2,929)
EARNINGS (LOSS) PER COMMON SHARE:
Earnings Per Share, Basic	$ 0.52	$ (2.51)	$ 0.60	$ (4.21)
Earnings Per Share, Diluted	$ 0.47	$ (2.51)	$ 0.59	$ (4.21)
WEIGHTED AVERAGE COMMON AND COMMON EQUIVALENT SHARES OUTSTANDING (in millions):
Weighted Average Number of Shares Outstanding, Basic	908	724	907	695
Weighted Average Number of Shares Outstanding, Diluted	1,114	724	1,053	695