Stock-Based Compensation - Additional Information (Detail) - USD ($)	Sep. 30, 2016	Jun. 30, 2016	Dec. 31, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Cumulative Effect of New Accounting Principle in Period of Adoption	$ 0
Caesars Interactive Entertainment [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Deferred Compensation Share-based Arrangements, Liability, Current and Noncurrent	$ 0		$ 107,000,000
Adjustments for New Accounting Pronouncement [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Cumulative Effect of New Accounting Principle in Period of Adoption		$ 1,000,000