Disclosure - Valuation and Qualifying Accounts (Schedule of Valuation and Qualifying Accounts)

12 Months Ended

Dec. 31, 2012

Valuation and Qualifying Accounts [Abstract]

Schedule of Valuation and Qualifying Accounts Disclosure [Text Block]

Schedule II

CHESAPEAKE ENERGY CORPORATION
VALUATION AND QUALIFYING ACCOUNTS
			Additions
Description	Balance Beginning of Period		Charged to Expense		Charged to Other Accounts		Deductions			Balance at End of Period
	($ in millions)
December 31, 2012:
Allowance for doubtful accounts	$	19	$	—	$	—	$	—		$	19
Valuation allowance for deferred tax assets	$	—	$	—	$	—	$	—		$	—
December 31, 2011:
Allowance for doubtful accounts	$	18	$	1	$	—	$	—		$	19
Valuation allowance for deferred tax assets	$	—	$	—	$	—	$	—		$	—
December 31, 2010:
Allowance for doubtful accounts	$	24	$	—	$	—	$	(6	)	$	18
Valuation allowance for deferred tax assets	$	—	$	—	$	—	$	—		$	—