Basis of Presentation and Consolidation Basis of Presentation and Consolidation (Details) - USD ($) $ in Millions		3 Months Ended		9 Months Ended		36 Months Ended
	Jan. 15, 2015	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014	Dec. 31, 2014
Net revenues		$ 1,141	$ 2,212	$ 3,535	$ 6,385
Net income/(loss) attributable to Caesars		(791)	(908)	5,998	(1,761)	$ (7,200)
Caesars Growth Partners, LLC [Member] | Variable Interest Entity, Primary Beneficiary [Member]
Net revenues		601	486	1,700	1,100
Net income/(loss) attributable to Caesars		(6)	$ (32)	0	$ (119)
Caesars Growth Partners, LLC [Member] | Variable Interest Entity, Primary Beneficiary [Member] | Contingently Issuable Membership Units [Member]
Contingent Consideration Classified as Equity, Fair Value Disclosure		238		238		347
Caesars Entertainment Operating Company [Member]
Net revenues	$ 158
Net income/(loss) attributable to Caesars	$ (76)					$ (7,100)
Caesars Entertainment Operating Company [Member] | Caesars Enterprise Services [Member]
Noncontrolling Interest in Variable Interest Entity		$ 16		$ 16