Deconsolidation of CEOC Deconsolidation of CEOC (Details) - USD ($) $ in Millions		3 Months Ended		6 Months Ended		36 Months Ended
	Jan. 15, 2015	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014	Dec. 31, 2014
Gain on deconsolidation of subsidiary and other gains/(losses)		$ 7	$ (27)	$ 7,096	$ (27)
Assets		12,503		12,503		$ 23,331
Liabilities		9,495		9,495		28,073
Net revenues		1,141	2,140	2,395	4,173
Net income/(loss) attributable to Caesars		$ 15	$ (466)	6,787	(853)	7,200
Cash flows provided by/(used in) operating activities				$ 101	$ (387)	772
Caesars Entertainment Operating Company [Member]
Equity Method Investment, Ownership Percentage		89.00%		89.00%
Cost Method Investments		$ 0		$ 0
Assets						11,000
Liabilities						18,600
Long Term Debt, less Discount		$ 0		$ 0		15,930
Net revenues	$ 158
Net income/(loss) attributable to Caesars	(76)					$ 7,100
Cash flows provided by/(used in) operating activities	$ (220)