Summary of Significant Accounting Policies - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended				12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2013 Land improvements [Member]	Dec. 31, 2013 Buildings [Member] Minimum [Member]	Dec. 31, 2013 Buildings [Member] Maximum [Member]	Dec. 31, 2013 Leasehold improvements [Member] Minimum [Member]	Dec. 31, 2013 Leasehold improvements [Member] Maximum [Member]	Dec. 31, 2013 Riverboats and barges [Member]	Dec. 31, 2013 Furniture, fixtures, and equipment [Member] Minimum [Member]	Dec. 31, 2013 Furniture, fixtures, and equipment [Member] Maximum [Member]	Dec. 31, 2013 Secured Debt [Member] Caesars Entertainment Operating Company [Member] 2020 Note at 9% [Member]		Dec. 31, 2012 Secured Debt [Member] Caesars Entertainment Operating Company [Member] 2020 Note at 9% [Member]		Aug. 31, 2012 Secured Debt [Member] Caesars Entertainment Operating Company [Member] 2020 Note at 9% [Member]
Accounting Policies [Line Items]
Cash and cash equivalents	$ 2,771.2	$ 1,757.5	$ 891.2	$ 971.1
Restricted Cash and Cash Equivalents	424.3	1,198.2
Allowance for doubtful accounts	(162.0)	(201.7)
Casino Reinvestment Development Authority Investment Obligations [Abstract]
Assessment of licenses	1.25%
Investment alternative tax	2.50%
Property and Equipment [Abstract]
Interest Costs Capitalized	37.8	38.2
Useful life of asset					12 years	30 years	40 years	5 years	15 years	30 years	2 years 6 months	20 years
Marketing and Advertising Expense [Abstract]
Advertising Expense	207.9	194.2	190.1
Current portion of long-term debt	$ 197.1	$ 879.9													$ 750.0	[1]
Debt Instrument, Interest Rate, Stated Percentage													9.00%	[1]	9.00%	[1]	9.00%

[1] Guaranteed by Caesars Entertainment.