CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
REVENUES AND OTHER:
Revenues	$ 8,595	$ 10,030	$ 10,039
Gains (losses) on sales of assets	43	(264)	476
OPERATING EXPENSES:
Severance and ad valorem taxes	224	189	134
General and administrative	315	335	333
Restructuring and other termination costs	12	38	0
Provision for legal contingencies, net	19	26	(38)
Depreciation, depletion and amortization	2,264	1,737	1,697
Impairments	11	131	814
Other operating expense	92	0	416
Total Operating Expenses	8,626	9,648	10,177
INCOME (LOSS) FROM OPERATIONS	(31)	382	(138)
OTHER INCOME (EXPENSE):
Interest expense	(651)	(633)	(601)
Gains (losses) on investments	(71)	139	0
Gains on purchases or exchanges of debt	75	263	233
Other income	39	67	6
Total Other Expense	(608)	(164)	(362)
INCOME (LOSS) BEFORE INCOME TAXES	(639)	218	(500)
Current income taxes	(26)	0	(9)
Deferred income taxes	(305)	(10)	11
Total Income Tax Expense (Benefit)	(331)	(10)	2
NET INCOME (LOSS)	(308)	228	(502)
Net income attributable to noncontrolling interests	0	(2)	(3)
NET INCOME (LOSS) ATTRIBUTABLE TO CHESAPEAKE	(308)	226	(505)
Preferred stock dividends	(91)	(92)	(85)
Loss on exchange of preferred stock	(17)	0	(41)
Earnings allocated to participating securities	0	(1)	0
NET INCOME (LOSS) AVAILABLE TO COMMON STOCKHOLDERS	$ (416)	$ 133	$ (631)
EARNINGS (LOSS) PER COMMON SHARE:
Basic (in usd per share)	$ (0.25)	$ 0.15	$ (0.70)
Diluted (in usd per share)	$ (0.25)	$ 0.15	$ (0.70)
WEIGHTED AVERAGE COMMON AND COMMON EQUIVALENT SHARES OUTSTANDING (in millions):
Basic (in shares)	1,665	909	906
Diluted (in shares)	1,665	909	906
Oil, Natural Gas and NGL
REVENUES AND OTHER:
Revenues	$ 4,522	$ 5,155	$ 4,985
Oil, natural gas and NGL production
OPERATING EXPENSES:
Cost of goods and services	520	474	517
Oil, natural gas and NGL gathering, processing and transportation
OPERATING EXPENSES:
Cost of goods and services	1,082	1,398	1,471
Marketing
REVENUES AND OTHER:
Revenues	3,967	5,076	4,511
OPERATING EXPENSES:
Cost of goods and services	4,003	5,158	4,598
Oil, Natural gas and NGL and Marketing
REVENUES AND OTHER:
Revenues	8,489	10,231	9,496
Other
REVENUES AND OTHER:
Revenues	63	63	67
Exploration
OPERATING EXPENSES:
Cost of goods and services	$ 84	$ 162	$ 235