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Related Party Transactions Related Party Transactions - Schedule of Related Party Transactions (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Majority Shareholder [Member] \| Reimbursement to Counterparty [Member] \| Hamlet Holdings LLC [Member]
Related Party Transaction [Line Items]
Related Party Transaction, Expenses from Transactions with Related Party	$ 0	$ 1	$ 6	$ 2
Affiliated Entity [Member]
Related Party Transaction [Line Items]
Related Party Transaction, Expenses from Transactions with Related Party	1	0	2	2
Affiliated Entity [Member] \| Caesars Acquisition Company [Member]
Related Party Transaction [Line Items]
Related Party Transaction, Expenses from Transactions with Related Party	7	8	13	18
Majority-Owned Subsidiary, Unconsolidated [Member] \| Caesars Entertainment Operating Company [Member]
Related Party Transaction [Line Items]
Related Party Transaction, Expenses from Transactions with Related Party	7	4	14	7
Majority-Owned Subsidiary, Unconsolidated [Member] \| Shared Services Allocation to Related Party [Member] \| Caesars Entertainment Operating Company [Member]
Related Party Transaction [Line Items]
Shared services allocated expenses to CEOC	86	82	177	157
Majority-Owned Subsidiary, Unconsolidated [Member] \| Shared Services Allocation from Related Party [Member] \| Caesars Entertainment Operating Company [Member]
Related Party Transaction [Line Items]
Related Party Transaction, Expenses from Transactions with Related Party	25	30	50	59
Majority-Owned Subsidiary, Unconsolidated [Member] \| Management Fees [Member] \| Caesars Entertainment Operating Company [Member]
Related Party Transaction [Line Items]
Related Party Transaction, Expenses from Transactions with Related Party	12	10	22	19
Majority-Owned Subsidiary, Unconsolidated [Member] \| Lease Agreements [Member] \| Caesars Entertainment Operating Company [Member]
Related Party Transaction [Line Items]
Octavius Tower lease revenue	$ 9	$ 9	$ 18	$ 16