Condensed Consolidating Financial Information -Statement Of Operations Table (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
REVENUES:
Oil, natural gas and NGL	$ 728	$ 1,704	$ 1,813	$ 3,471
Marketing, gathering and compression	2,305	3,167	3,980	6,182
Oilfield services	0	281	0	545
Total Revenues	3,033	5,152	5,793	10,198
OPERATING EXPENSES:
Oil, natural gas and NGL production	276	282	575	570
Production taxes	34	72	62	122
Marketing, gathering and compression	2,096	3,166	3,796	6,147
Oilfield services	0	212	0	431
General and administrative	69	90	125	169
Restructuring and other termination costs	(4)	33	(14)	26
Provision for legal contingencies	334	0	359	0
Oil, natural gas and NGL depreciation, depletion and amortization	601	661	1,285	1,288
Depreciation and amortization of other assets	34	79	69	157
Impairment of oil and natural gas properties	5,015	0	9,991	0
Impairments of fixed assets and other	84	40	88	60
Net gains (losses) on sales of fixed assets	1	(93)	4	(115)
Total Operating Expenses	8,540	4,542	16,340	8,855
INCOME FROM OPERATIONS	(5,507)	610	(10,547)	1,343
OTHER INCOME (EXPENSE):
Interest expense	(71)	(27)	(122)	(66)
Gains (losses) on investments	(17)	(24)	(24)	(45)
Net gain (loss) on sales of investments	0	0	0	67
Gains (losses) on purchases of debt	0	(195)	0	(195)
Other income (expense)	(1)	7	5	13
Equity in net earnings (losses) of subsidiary	0	0	0	0
Total Other Income (Expense)	(89)	(239)	(141)	(226)
Income (Loss) Before Income Taxes	(5,596)	371	(10,688)	1,117
INCOME TAX EXPENSE (BENEFIT)	(1,506)	141	(2,878)	421
NET INCOME (LOSS)	(4,090)	230	(7,810)	696
Net income attributable to noncontrolling interests	(18)	(39)	(37)	(80)
Net income (loss) attributable to Chesapeake	(4,108)	191	(7,847)	616
Other Comprehensive Income (Loss), Net of Tax	3	(1)	12	8
Comprehensive Income (Loss), Net of Tax, Attributable to Parent	(4,105)	190	(7,835)	624
Parent Company Member]
REVENUES:
Oil, natural gas and NGL	0	0	0	0
Marketing, gathering and compression	0	0	0	0
Oilfield services		0		0
Total Revenues	0	0	0	0
OPERATING EXPENSES:
Oil, natural gas and NGL production	0	0	0	0
Production taxes	0	0	0	0
Marketing, gathering and compression	0	0	0	0
Oilfield services		0		0
General and administrative	0	0	1	0
Restructuring and other termination costs	0	0	0	0
Provision for legal contingencies	339		339
Oil, natural gas and NGL depreciation, depletion and amortization	0	0	0	0
Depreciation and amortization of other assets	0	0	0	0
Impairment of oil and natural gas properties	0	0	0	0
Impairments of fixed assets and other	0	0	0	0
Net gains (losses) on sales of fixed assets	0	0	0	0
Total Operating Expenses	339	0	340	0
INCOME FROM OPERATIONS	(339)	0	(340)	0
OTHER INCOME (EXPENSE):
Interest expense	(180)	(156)	(351)	(347)
Gains (losses) on investments	0	0	0	0
Net gain (loss) on sales of investments				0
Gains (losses) on purchases of debt		(195)		(195)
Other income (expense)	81	136	(39)	479
Equity in net earnings (losses) of subsidiary	(3,792)	324	(7,314)	655
Total Other Income (Expense)	(3,891)	109	(7,704)	592
Income (Loss) Before Income Taxes	(4,230)	109	(8,044)	592
INCOME TAX EXPENSE (BENEFIT)	(122)	(82)	(197)	(24)
NET INCOME (LOSS)	(4,108)	191	(7,847)	616
Net income attributable to noncontrolling interests	0	0	0	0
Net income (loss) attributable to Chesapeake	(4,108)	191	(7,847)	616
Other Comprehensive Income (Loss), Net of Tax	0	1	(2)	3
Comprehensive Income (Loss), Net of Tax, Attributable to Parent	(4,108)	192	(7,849)	619
Guarantor Subsidiaries [Member]
REVENUES:
Oil, natural gas and NGL	693	1,618	1,729	3,282
Marketing, gathering and compression	2,305	3,166	3,980	6,180
Oilfield services		23		40
Total Revenues	2,998	4,807	5,709	9,502
OPERATING EXPENSES:
Oil, natural gas and NGL production	267	272	554	549
Production taxes	33	70	60	119
Marketing, gathering and compression	2,096	3,166	3,796	6,145
Oilfield services		22		54
General and administrative	67	68	121	124
Restructuring and other termination costs	(4)	30	(14)	23
Provision for legal contingencies	(5)		20
Oil, natural gas and NGL depreciation, depletion and amortization	586	615	1,249	1,201
Depreciation and amortization of other assets	34	38	69	78
Impairment of oil and natural gas properties	5,012	0	9,983	0
Impairments of fixed assets and other	84	37	88	37
Net gains (losses) on sales of fixed assets	1	(85)	4	(109)
Total Operating Expenses	8,171	4,233	15,930	8,221
INCOME FROM OPERATIONS	(5,173)	574	(10,221)	1,281
OTHER INCOME (EXPENSE):
Interest expense	(37)	(3)	(74)	(3)
Gains (losses) on investments	(17)	(19)	(24)	(42)
Net gain (loss) on sales of investments				67
Gains (losses) on purchases of debt	0			0
Other income (expense)	(7)	29	7	(114)
Equity in net earnings (losses) of subsidiary	(154)	(32)	(333)	(111)
Total Other Income (Expense)	(215)	(25)	(424)	(203)
Income (Loss) Before Income Taxes	(5,388)	549	(10,645)	1,078
INCOME TAX EXPENSE (BENEFIT)	(1,404)	221	(2,778)	448
NET INCOME (LOSS)	(3,984)	328	(7,867)	630
Net income attributable to noncontrolling interests	0	0	0	0
Net income (loss) attributable to Chesapeake	(3,984)	328	(7,867)	630
Other Comprehensive Income (Loss), Net of Tax	3	(2)	14	5
Comprehensive Income (Loss), Net of Tax, Attributable to Parent	(3,981)	326	(7,853)	635
Non-Guarantor Subsidiaries [Member]
REVENUES:
Oil, natural gas and NGL	35	88	84	192
Marketing, gathering and compression	0	1	0	2
Oilfield services		499		983
Total Revenues	35	588	84	1,177
OPERATING EXPENSES:
Oil, natural gas and NGL production	9	10	21	21
Production taxes	1	2	2	3
Marketing, gathering and compression	0	0	0	2
Oilfield services		375		769
General and administrative	2	22	3	45
Restructuring and other termination costs	0	3	0	3
Provision for legal contingencies	0		0
Oil, natural gas and NGL depreciation, depletion and amortization	23	36	55	79
Depreciation and amortization of other assets	0	71	0	143
Impairment of oil and natural gas properties	186	38	406	98
Impairments of fixed assets and other	0	3	0	23
Net gains (losses) on sales of fixed assets	0	(8)	0	(6)
Total Operating Expenses	221	552	487	1,180
INCOME FROM OPERATIONS	(186)	36	(403)	(3)
OTHER INCOME (EXPENSE):
Interest expense	0	(20)	0	(42)
Gains (losses) on investments	0	(5)	0	(5)
Net gain (loss) on sales of investments				0
Gains (losses) on purchases of debt	0			0
Other income (expense)	0	0	0	1
Equity in net earnings (losses) of subsidiary	0	0	0	0
Total Other Income (Expense)	0	(25)	0	(46)
Income (Loss) Before Income Taxes	(186)	11	(403)	(49)
INCOME TAX EXPENSE (BENEFIT)	(50)	4	(107)	(18)
NET INCOME (LOSS)	(136)	7	(296)	(31)
Net income attributable to noncontrolling interests	0	0	0	0
Net income (loss) attributable to Chesapeake	(136)	7	(296)	(31)
Other Comprehensive Income (Loss), Net of Tax	0	0	0	0
Comprehensive Income (Loss), Net of Tax, Attributable to Parent	(136)	7	(296)	(31)
Eliminations [Member]
REVENUES:
Oil, natural gas and NGL	0	(2)	0	(3)
Marketing, gathering and compression	0	0	0	0
Oilfield services		(241)		(478)
Total Revenues	0	(243)	0	(481)
OPERATING EXPENSES:
Oil, natural gas and NGL production	0	0	0	0
Production taxes	0	0	0	0
Marketing, gathering and compression	0	0	0	0
Oilfield services		(185)		(392)
General and administrative	0	0	0	0
Restructuring and other termination costs	0	0	0	0
Provision for legal contingencies	0		0
Oil, natural gas and NGL depreciation, depletion and amortization	(8)	10	(19)	8
Depreciation and amortization of other assets	0	(30)	0	(64)
Impairment of oil and natural gas properties	(183)	(38)	(398)	(98)
Impairments of fixed assets and other	0	0	0	0
Net gains (losses) on sales of fixed assets	0	0	0	0
Total Operating Expenses	(191)	(243)	(417)	(546)
INCOME FROM OPERATIONS	191	0	417	65
OTHER INCOME (EXPENSE):
Interest expense	146	152	303	326
Gains (losses) on investments	0	0	0	2
Net gain (loss) on sales of investments				0
Gains (losses) on purchases of debt	0			0
Other income (expense)	(75)	(158)	37	(353)
Equity in net earnings (losses) of subsidiary	3,946	(292)	7,647	(544)
Total Other Income (Expense)	4,017	(298)	7,987	(569)
Income (Loss) Before Income Taxes	4,208	(298)	8,404	(504)
INCOME TAX EXPENSE (BENEFIT)	70	(2)	204	15
NET INCOME (LOSS)	4,138	(296)	8,200	(519)
Net income attributable to noncontrolling interests	(18)	(39)	(37)	(80)
Net income (loss) attributable to Chesapeake	4,120	(335)	8,163	(599)
Other Comprehensive Income (Loss), Net of Tax	0	0	0	0
Comprehensive Income (Loss), Net of Tax, Attributable to Parent	$ 4,120	$ (335)	$ 8,163	$ (599)