Quarterly Results of Operations - Unaudited (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Selected Quarterly Financial Information [Abstract]
Net revenues	$ 1,119	$ 1,141	$ 1,141	$ 1,253	$ 2,131	$ 2,212	$ 2,140	$ 2,033	$ 4,654	$ 8,516	$ 8,220
Income from operations	104	139	186	144	(402)	(328)	127	151	573	(452)	(2,026)
Net income/(loss)	(39)	(756)	50	6,797	(1,070)	(980)	(433)	(383)	6,052	(2,866)	(2,940)
Net income/(loss) attributable to Caesars	$ (76)	$ (791)	$ 15	$ 6,772	$ (1,023)	$ (908)	$ (466)	$ (386)	$ 5,920	$ (2,783)	$ (2,948)
Basic earnings/(loss) per share	$ (0.54)	$ (5.44)	$ 0.10	$ 46.81	$ (7.08)	$ (6.29)	$ (3.24)	$ (2.82)	$ 40.88	$ (19.53)	$ (22.93)
Diluted earnings/(loss) per share	$ (0.54)	$ (5.44)	$ 0.10	$ 46.12	$ (7.08)	$ (6.29)	$ (3.24)	$ (2.82)	$ 40.26	$ (19.53)	$ (22.93)