Condensed Consolidating Statement Of Operations (Details) (USD $)	3 Months Ended	6 Months Ended
Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
REVENUES
Natural gas, oil and NGL	$ 2,406,000,000	$ 2,117,000,000	$ 3,858,000,000	$ 3,185,000,000
Marketing, gathering and compression	2,057,000,000	1,113,000,000	3,838,000,000	2,328,000,000
Oilfield services	212,000,000	159,000,000	402,000,000	294,000,000
Total Revenues	4,675,000,000	3,389,000,000	8,098,000,000	5,807,000,000
OPERATING EXPENSES
Natural gas, oil and NGL production	288,000,000	335,000,000	595,000,000	685,000,000
Production taxes	59,000,000	41,000,000	112,000,000	89,000,000
Marketing, gathering and compression	2,028,000,000	1,096,000,000	3,772,000,000	2,292,000,000
Oilfield services	177,000,000	109,000,000	332,000,000	205,000,000
General and administrative	106,000,000	155,000,000	216,000,000	291,000,000
Employee retirement and other termination benefits	7,000,000	1,000,000	140,000,000	1,000,000
Natural gas, oil and NGL depreciation, depletion and amortization	645,000,000	588,000,000	1,293,000,000	1,094,000,000
Depreciation and amortization of other assets	76,000,000	83,000,000	154,000,000	166,000,000
Impairment of Oil and Gas Properties	0		0
Impairments of fixed assets and other	231,000,000	243,000,000	258,000,000	243,000,000
Net gains on sales of fixed assets	(109,000,000)	0	(158,000,000)	(2,000,000)
Total Operating Expenses	3,508,000,000	2,651,000,000	6,714,000,000	5,064,000,000
INCOME FROM OPERATIONS	1,167,000,000	738,000,000	1,384,000,000	743,000,000
OTHER INCOME (EXPENSE)
Interest Expense	(104,000,000)	(14,000,000)	(124,000,000)	(26,000,000)
Earnings (losses) on investments	23,000,000	(59,000,000)	(4,000,000)	(64,000,000)
Impairment of investment	0	0	(10,000,000)	0
Gains (losses) on sales of investments	(10,000,000)	1,030,000,000	(10,000,000)	1,030,000,000
Losses on purchases of debt	(70,000,000)	0	(70,000,000)	0
Other income	3,000,000	5,000,000	8,000,000	11,000,000
Equity in net earnings of subsidiary	0	0	0	0
Total Other Income (Expense)	(158,000,000)	962,000,000	(210,000,000)	951,000,000
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest	1,009,000,000	1,700,000,000	1,174,000,000	1,694,000,000
Income Tax Expense (Benefit)	384,000,000	663,000,000	446,000,000	661,000,000
NET INCOME (LOSS)	625,000,000	1,037,000,000	728,000,000	1,033,000,000
Net income attributable to noncontrolling interests	(45,000,000)	(65,000,000)	(89,000,000)	(89,000,000)
NET INCOME (LOSS) ATTRIBUTABLE TO CHESAPEAKE	580,000,000	972,000,000	639,000,000	944,000,000
Other Comprehensive Income (Loss), Net of Tax	0	(23,000,000)	12,000,000	(15,000,000)
COMPREHENSIVE INCOME ATTRIBUTABLE TO CHESAPEAKE	580,000,000	949,000,000	651,000,000	929,000,000
Parent
REVENUES
Natural gas, oil and NGL	0	0	0	0
Marketing, gathering and compression	0	0	0	0
Oilfield services	0	0	0	0
Total Revenues	0	0	0	0
OPERATING EXPENSES
Natural gas, oil 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	0	0
General and administrative	0	0	0	0
Employee retirement and other termination benefits	0	0	0	0
Natural gas, oil and NGL depreciation, depletion and amortization	0	0	0	0
Depreciation and amortization of other assets	0	0	0	0
Impairment of Oil and Gas Properties	0		0
Impairments of fixed assets and other	0	0	0	0
Net gains on sales of fixed assets	0	0	0	0
Total Operating Expenses	0	0	0	0
INCOME FROM OPERATIONS	0	0	0	0
OTHER INCOME (EXPENSE)
Interest Expense	(278,000,000)	(231,000,000)	(496,000,000)	(392,000,000)
Earnings (losses) on investments	0	0	0	0
Impairment of investment			0
Gains (losses) on sales of investments	0	0	0	0
Losses on purchases of debt	(70,000,000)		(70,000,000)
Other income	228,000,000	218,000,000	443,000,000	381,000,000
Equity in net earnings of subsidiary	655,000,000	980,000,000	715,000,000	951,000,000
Total Other Income (Expense)	535,000,000	967,000,000	592,000,000	940,000,000
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest	535,000,000	967,000,000	592,000,000	940,000,000
Income Tax Expense (Benefit)	(45,000,000)	(5,000,000)	(47,000,000)	(4,000,000)
NET INCOME (LOSS)	580,000,000	972,000,000	639,000,000	944,000,000
Net income attributable to noncontrolling interests	0	0	0	0
NET INCOME (LOSS) ATTRIBUTABLE TO CHESAPEAKE	580,000,000	972,000,000	639,000,000	944,000,000
Other Comprehensive Income (Loss), Net of Tax	2,000,000	(3,000,000)	0	0
COMPREHENSIVE INCOME ATTRIBUTABLE TO CHESAPEAKE	582,000,000	969,000,000	639,000,000	944,000,000
Guarantor Subsidiaries
REVENUES
Natural gas, oil and NGL	2,241,000,000	2,009,000,000	3,562,000,000	3,053,000,000
Marketing, gathering and compression	2,051,000,000	1,063,000,000	3,829,000,000	2,235,000,000
Oilfield services	0	0	0	0
Total Revenues	4,292,000,000	3,072,000,000	7,391,000,000	5,288,000,000
OPERATING EXPENSES
Natural gas, oil and NGL production	274,000,000	329,000,000	570,000,000	678,000,000
Production taxes	57,000,000	40,000,000	108,000,000	87,000,000
Marketing, gathering and compression	2,026,000,000	1,070,000,000	3,767,000,000	2,239,000,000
Oilfield services	0	1,000,000	0	1,000,000
General and administrative	80,000,000	126,000,000	167,000,000	235,000,000
Employee retirement and other termination benefits	6,000,000	1,000,000	137,000,000	1,000,000
Natural gas, oil and NGL depreciation, depletion and amortization	589,000,000	553,000,000	1,180,000,000	1,045,000,000
Depreciation and amortization of other assets	45,000,000	43,000,000	93,000,000	88,000,000
Impairment of Oil and Gas Properties	0		0
Impairments of fixed assets and other	224,000,000	219,000,000	251,000,000	219,000,000
Net gains on sales of fixed assets	(109,000,000)	(1,000,000)	(158,000,000)	(2,000,000)
Total Operating Expenses	3,192,000,000	2,381,000,000	6,115,000,000	4,591,000,000
INCOME FROM OPERATIONS	1,100,000,000	691,000,000	1,276,000,000	697,000,000
OTHER INCOME (EXPENSE)
Interest Expense	(48,000,000)	17,000,000	(51,000,000)	15,000,000
Earnings (losses) on investments	23,000,000	(88,000,000)	(4,000,000)	(119,000,000)
Impairment of investment			(10,000,000)
Gains (losses) on sales of investments	(10,000,000)	1,030,000,000	(10,000,000)	1,030,000,000
Losses on purchases of debt	0		0
Other income	21,000,000	18,000,000	35,000,000	27,000,000
Equity in net earnings of subsidiary	(57,000,000)	(34,000,000)	(144,000,000)	(52,000,000)
Total Other Income (Expense)	(71,000,000)	943,000,000	(184,000,000)	901,000,000
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest	1,029,000,000	1,634,000,000	1,092,000,000	1,598,000,000
Income Tax Expense (Benefit)	412,000,000	651,000,000	470,000,000	644,000,000
NET INCOME (LOSS)	617,000,000	983,000,000	622,000,000	954,000,000
Net income attributable to noncontrolling interests	0	0	0	0
NET INCOME (LOSS) ATTRIBUTABLE TO CHESAPEAKE	617,000,000	983,000,000	622,000,000	954,000,000
Other Comprehensive Income (Loss), Net of Tax	(2,000,000)	(20,000,000)	12,000,000	(15,000,000)
COMPREHENSIVE INCOME ATTRIBUTABLE TO CHESAPEAKE	615,000,000	963,000,000	634,000,000	939,000,000
Non-Guarantor Subsidiaries
REVENUES
Natural gas, oil and NGL	160,000,000	106,000,000	288,000,000	130,000,000
Marketing, gathering and compression	6,000,000	50,000,000	9,000,000	93,000,000
Oilfield services	598,000,000	506,000,000	1,152,000,000	955,000,000
Total Revenues	764,000,000	662,000,000	1,449,000,000	1,178,000,000
OPERATING EXPENSES
Natural gas, oil and NGL production	14,000,000	6,000,000	25,000,000	7,000,000
Production taxes	2,000,000	1,000,000	4,000,000	2,000,000
Marketing, gathering and compression	2,000,000	26,000,000	5,000,000	53,000,000
Oilfield services	476,000,000	373,000,000	902,000,000	728,000,000
General and administrative	26,000,000	30,000,000	49,000,000	56,000,000
Employee retirement and other termination benefits	1,000,000	0	3,000,000	0
Natural gas, oil and NGL depreciation, depletion and amortization	56,000,000	35,000,000	113,000,000	49,000,000
Depreciation and amortization of other assets	73,000,000	75,000,000	144,000,000	147,000,000
Impairment of Oil and Gas Properties	70,000,000		161,000,000
Impairments of fixed assets and other	7,000,000	24,000,000	7,000,000	24,000,000
Net gains on sales of fixed assets	0	1,000,000	0	0
Total Operating Expenses	727,000,000	571,000,000	1,413,000,000	1,066,000,000
INCOME FROM OPERATIONS	37,000,000	91,000,000	36,000,000	112,000,000
OTHER INCOME (EXPENSE)
Interest Expense	(21,000,000)	(25,000,000)	(42,000,000)	(43,000,000)
Earnings (losses) on investments	0	29,000,000	0	55,000,000
Impairment of investment			0
Gains (losses) on sales of investments	0	0	0	0
Losses on purchases of debt	0		0
Other income	4,000,000	33,000,000	7,000,000	67,000,000
Equity in net earnings of subsidiary	0	0	0	0
Total Other Income (Expense)	(17,000,000)	37,000,000	(35,000,000)	79,000,000
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest	20,000,000	128,000,000	1,000,000	191,000,000
Income Tax Expense (Benefit)	8,000,000	49,000,000	0	74,000,000
NET INCOME (LOSS)	12,000,000	79,000,000	1,000,000	117,000,000
Net income attributable to noncontrolling interests	0	0	0	0
NET INCOME (LOSS) ATTRIBUTABLE TO CHESAPEAKE	12,000,000	79,000,000	1,000,000	117,000,000
Other Comprehensive Income (Loss), Net of Tax	0	0	0	0
COMPREHENSIVE INCOME ATTRIBUTABLE TO CHESAPEAKE	12,000,000	79,000,000	1,000,000	117,000,000
Eliminations
REVENUES
Natural gas, oil and NGL	5,000,000	2,000,000	8,000,000	2,000,000
Marketing, gathering and compression	0	0	0	0
Oilfield services	(386,000,000)	(347,000,000)	(750,000,000)	(661,000,000)
Total Revenues	(381,000,000)	(345,000,000)	(742,000,000)	(659,000,000)
OPERATING EXPENSES
Natural gas, oil and NGL production	0	0	0	0
Production taxes	0	0	0	0
Marketing, gathering and compression	0	0	0	0
Oilfield services	(299,000,000)	(265,000,000)	(570,000,000)	(524,000,000)
General and administrative	0	(1,000,000)	0	0
Employee retirement and other termination benefits	0	0	0	0
Natural gas, oil and NGL depreciation, depletion and amortization	0	0	0	0
Depreciation and amortization of other assets	(42,000,000)	(35,000,000)	(83,000,000)	(69,000,000)
Impairment of Oil and Gas Properties	(70,000,000)		(161,000,000)
Impairments of fixed assets and other	0	0	0	0
Net gains on sales of fixed assets	0	0	0	0
Total Operating Expenses	(411,000,000)	(301,000,000)	(814,000,000)	(593,000,000)
INCOME FROM OPERATIONS	30,000,000	(44,000,000)	72,000,000	(66,000,000)
OTHER INCOME (EXPENSE)
Interest Expense	243,000,000	225,000,000	465,000,000	394,000,000
Earnings (losses) on investments	0	0	0	0
Impairment of investment			0
Gains (losses) on sales of investments	0	0	0	0
Losses on purchases of debt	0		0
Other income	(250,000,000)	(264,000,000)	(477,000,000)	(464,000,000)
Equity in net earnings of subsidiary	(598,000,000)	(946,000,000)	(571,000,000)	(899,000,000)
Total Other Income (Expense)	(605,000,000)	(985,000,000)	(583,000,000)	(969,000,000)
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest	(575,000,000)	(1,029,000,000)	(511,000,000)	(1,035,000,000)
Income Tax Expense (Benefit)	9,000,000	(32,000,000)	23,000,000	(53,000,000)
NET INCOME (LOSS)	(584,000,000)	(997,000,000)	(534,000,000)	(982,000,000)
Net income attributable to noncontrolling interests	(45,000,000)	(65,000,000)	(89,000,000)	(89,000,000)
NET INCOME (LOSS) ATTRIBUTABLE TO CHESAPEAKE	(629,000,000)	(1,062,000,000)	(623,000,000)	(1,071,000,000)
Other Comprehensive Income (Loss), Net of Tax	0	0	0	0
COMPREHENSIVE INCOME ATTRIBUTABLE TO CHESAPEAKE	$ (629,000,000)	$ (1,062,000,000)	$ (623,000,000)	$ (1,071,000,000)

Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

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Costs of generating revenue from oil and gas-related services including well services (such as drilling, rigs and analytic evaluations), transportation, and other supporting contractor services, during the reporting period.

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If applicable, the cost of providing special or contractual termination benefits recognized during the period on the projected benefit obligation.

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This item represents disclosure of the amount of dividends or other distributions received from unconsolidated subsidiaries, certain corporate joint ventures, and certain noncontrolled corporation; these investments are accounted for under the equity method of accounting. This element excludes distributions that constitute a return of investment, which are classified as investing activities.

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Revenue related to midstream and downstream gas activities. May include the following: gathering from wells, processing to remove impurities, storage, transmission, and the sale of natural gas and related products.

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The expense recorded to reduce the value of oil and gas assets consisting of proved properties and unproved properties as the estimate of future successful production from these properties is reduced.

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