Restructuring and Other Termination Benefits - Table (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended	6 Months Ended
Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]
Payments of Debt Extinguishment Costs			$ 3,362	$ 1,874
Restructuring and other termination costs	33	7	26	140
Severance Costs				14
Ceo Aubrey K Mcclendon [Member]
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]
Restructuring and other termination costs	5	0	2	64
Severance Costs				64
Ceo Aubrey K Mcclendon [Member] \| Cash Salary and Bonus Costs [Member]
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]
Severance Costs	0	0	0	11
Ceo Aubrey K Mcclendon [Member] \| Claw-Back Bonus [Member]
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]
Severance Costs	0	0	0	11
Ceo Aubrey K Mcclendon [Member] \| Acceleration of Restricted Stock Awards [Member]
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]
Severance Costs	0	0	0	22
Ceo Aubrey K Mcclendon [Member] \| Acceleration of Performance Shares [Member]
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]
Severance Costs	5	0	2	13
Ceo Aubrey K Mcclendon [Member] \| Other Costs Associated with Retirement [Member]
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]
Severance Costs	0	0	0	7
VSP Program [Member]
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]
Restructuring and other termination costs	0	6	0	62
Severance Costs				62
VSP Program [Member] \| Cash Salary and Bonus Costs [Member]
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]
Severance Costs	0	3	0	32
VSP Program [Member] \| Acceleration of Restricted Stock Awards [Member]
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]
Severance Costs	0	3	0	27
VSP Program [Member] \| Other Costs Associated with Retirement [Member]
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]
Severance Costs	0	0	0	3
Other, Including PSU's [Member]
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]
Restructuring and other termination costs	16	1	12	14
Seven Seven Energy Inc. [Member] \| Spinoff [Member]
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]
Business Exit Costs	14	0	14	0
Adjustments to Additional Paid in Capital, Share-based Compensation and Exercise of Stock Options	5	0	5	0
Stock Granted, Value, Share-Based Compensation, Forfeited	(10)	0	(10)	0
Payments of Debt Extinguishment Costs	3	0	3	0
Restructuring and other termination costs	$ 12	$ 0	$ 12	$ 0

Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Includes, but is not limited to, one-time termination benefits, termination of an operating lease or other contract, consolidating or closing facilities, and relocating employees, and termination benefits associated with an ongoing benefit arrangement. Excludes expenses associated with special or contractual termination benefits, a discontinued operation or an asset retirement obligation.

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Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

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- Definition

Amount of expenses for special or contractual termination benefits provided to current employees involuntarily terminated under a benefit arrangement associated exit or disposal activities pursuant to an authorized plan. Excludes expenses related to one-time termination benefits, a discontinued operation or an asset retirement obligation.

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