Property Transaction with CGP LLC and Related Financing (Details) (USD $) In Millions, unless otherwise specified							3 Months Ended
	Mar. 31, 2014	Dec. 31, 2013	Mar. 31, 2014 Caesars Growth Partners, LLC [Member]		Dec. 31, 2013 Caesars Growth Partners, LLC [Member]		Mar. 31, 2014 Subsequent Event [Member] Caesars Growth Partners, LLC [Member]	Mar. 31, 2014 Secured Debt [Member] Caesars Growth Partners, LLC [Member]	Dec. 31, 2013 Secured Debt [Member] Caesars Growth Partners, LLC [Member]	Mar. 31, 2014 Secured Debt [Member] Subsequent Event [Member] Caesars Growth Partners, LLC [Member]	Mar. 31, 2014 Senior Secured Financing [Member] Secured Debt [Member] Subsequent Event [Member] Caesars Growth Partners, LLC [Member]	Mar. 31, 2014 Secured Debt [Member] Subsequent Event [Member] Caesars Growth Partners, LLC [Member]	Mar. 31, 2014 Second Lien Notes [Member] Revolving Credit Facility [Member] Subsequent Event [Member] Caesars Growth Partners, LLC [Member]	Mar. 31, 2014 Second Lien Notes [Member] Secured Debt [Member] Subsequent Event [Member] Caesars Growth Partners, LLC [Member]
Business Acquisition [Line Items]
Sales Price Of Subsidiary							$ 2,000.0
Construction and Development Costs							223.0
Long-term Debt	$ 21,191.5	$ 21,115.5	$ 720.1	[1]	$ 721.7	[1]		$ 454.1	$ 456.1	$ 1,325.0	$ 150.0	$ 1,175.0	$ 700.0	$ 675.0
Debt Instrument, Interest Rate								3.01%						9.375%

[1] As of March 31, 2014 and December 31, 2013, under the CGP LLC structure, CIE has $39.8 million drawn under a revolver arrangement with Caesars Entertainment. Accordingly, such debt is eliminated in consolidation.