Stock-Based Compensation - CIE Stock Option Activity (Details) - Caesars Interactive Entertainment [Member] - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
CIE Stock Option Activity, Shares
Outstanding as of December 31, 2014	13,279
Granted	10,350	1,135	6,300
Exercised	(1,984)	(3,822)	(365)
Forfeited	(588)
Outstanding as of December 31, 2015	21,057	13,279
Vested and expected to vest as of December 31, 2015	20,179
Exercisable as of December 31, 2015	6,292
Weighted Average Exercise Price [Abstract]
Weighted Average Exercise Price Outstanding, Beginning of Period	$ 3,953.85
Weighted Average Exercise Price per Share (1)	15,352.49	$ 9,976.43	$ 5,539.98
Weighted Average Exercise Price Exercised	2,424.20
Weighted Average Exercise Price Forfeited	8,106.90
Weighted Average Exercise Price Outstanding, End of Period	9,584.64	$ 3,953.85
Weighted Average Exercise Price, Vested and Expected to Vest	9,620.68
Weighted Average Exercise Price Exercisable	$ 2,790.08
Weighted Average Remaining Contractual Term [Abstract]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term	7 years 10 months	6 years 10 months
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Remaining Contractual Term	7 years 10 months
Options Exercisable, Weighted Average Remaining Contractual Term	4 years 8 months
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value [Abstract]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value	$ 124
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Aggregate Intrinsic Value