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Related Party Transactions - Additional Information (Detail) - USD ($)
3 Months Ended 12 Months Ended
Mar. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Related Party Transaction [Line Items]      
Operating Leases, Future Minimum Payments Due, Next Twelve Months   $ 43,000,000  
Valuation Allowances and Reserves, Additions for Charges to Cost and Expense $ 12,000,000 12,000,000  
Due from affiliates 26,000,000 64,000,000 $ 34,000,000
Due to affiliates 67,000,000 112,000,000 $ 16,000,000
CEOC | Majority-Owned Subsidiary, Unconsolidated [Member] | Lease Agreements [Member]      
Related Party Transaction [Line Items]      
Operating Leases, Future Minimum Payments Receivable 35,000,000 35,000,000  
Operating Leases, Future Minimum Payments Due, Next Twelve Months $ 2,000,000 $ 2,000,000  
CEOC | Majority-Owned Subsidiary, Unconsolidated [Member] | Shared Services Allocation to CES Members [Member] | CERP      
Related Party Transaction [Line Items]      
Corporate Expense Allocation   21.80%  
CEOC | Majority-Owned Subsidiary, Unconsolidated [Member] | Shared Services Allocation to CES Members [Member] | CGP      
Related Party Transaction [Line Items]      
Corporate Expense Allocation   12.80%  
CEOC | Majority-Owned Subsidiary, Unconsolidated [Member] | Cross Marketing and Trademark License Agreement [Member] | Caesars Interactive Entertainment [Member]      
Related Party Transaction [Line Items]      
Related Party Transaction, Rate 3.00%    
Discontinued Operations, Disposed of by Sale [Member] | Social and Mobile Games [Member] | Caesars Acquisition Company [Member]      
Related Party Transaction [Line Items]      
Discontinued Operation, Tax Effect of Gain (Loss) from Disposal of Discontinued Operation $ 259,000,000 $ 285,000,000  
Discontinued Operations, Disposed of by Sale [Member] | Social and Mobile Games [Member] | CGP      
Related Party Transaction [Line Items]      
Income Taxes Paid 0 240,000,000  
Due to Affiliate $ 19,000,000 $ 45,000,000