Quarterly Results of Operations (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended								12 Months Ended			48 Months Ended
	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2014
Selected Quarterly Financial Information [Abstract]
Net revenues	$ 2,131	$ 2,212	$ 2,140	$ 2,033	$ 2,004	$ 2,087	$ 2,069	$ 2,060	$ 8,516	$ 8,220	$ 8,186
Income/(loss) from operations	(402)	(328)	127	151	(1,777)	(524)	127	148	(452)	(2,026)	134
Net loss	(1,070)	(980)	(433)	(383)	(1,752)	(762)	(209)	(217)	(2,866)	(2,940)	(1,503)	7,200
Net income/(loss) attributable to Caesars	$ (1,023)	$ (908)	$ (466)	$ (386)	$ (1,757)	$ (761)	$ (212)	$ (218)	$ (2,783)	$ (2,948)	$ (1,508)
Net loss per share (usd per share)	$ (7.08)	$ (6.29)	$ (3.24)	$ (2.82)	$ (12.83)	$ (6.03)	$ (1.69)	$ (1.74)	$ (19.53)	$ (22.93)	$ (12.04)