Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

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Fair Value Measurements Fair Value Measurements Additional Details (Details) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Jan. 31, 2015
Impairment of tangible and other intangible assets	$ 994,000,000us-gaap_AssetImpairmentCharges	$ 2,831,000,000us-gaap_AssetImpairmentCharges	$ 624,000,000us-gaap_AssetImpairmentCharges
Interest Rate Swap [Member]
Derivative, Number of Instruments Held	8
Derivative, Notional Amount	5,800,000,000
Fair Value, Measurements, Recurring [Member] \| Fair Value, Inputs, Level 2 [Member]
Derivative Liability	6,000,000	166,000,000
Fair Value, Measurements, Nonrecurring [Member] \| Assets [Member]
Impairment of tangible and other intangible assets	642,000,000	2,400,000,000
Fair Value, Measurements, Nonrecurring [Member] \| Fair Value, Inputs, Level 3 [Member]
Assets, Fair Value Disclosure	848,000,000	312,000,000
Fair Value, Measurements, Nonrecurring [Member] \| Fair Value, Inputs, Level 3 [Member] \| Caesars Interactive Entertainment [Member]
Contingent earnout liability	66,000,000	62,000,000
Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability	33,000,000	53,000,000
Subsequent Event [Member]
Derivative, Fair Value, Net				$ 17,000,000