Debt - Additional Information (Detail) (USD $) In Millions, except Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2014		Dec. 31, 2013
Debt Instrument [Line Items]
Unamortized discounts	$ 2,392.2		$ 2,473.8
Long-term Debt, Fair Value	19,840.7
Long-term Debt	21,191.5		21,115.5
Long-term Debt, Current Maturities	197.2		197.1
Debt Instrument, Face Value	23,583.7
Ratio excludes first priority senior secured notes	3,700.0
Convertible Preferred Stock, Shares Issued upon Conversion	8,913
Caesars Entertainment Operating Company [Member]
Debt Instrument [Line Items]
Long-term Debt	15,855.7	[1]	15,782.9	[1]
Debt Instrument, Face Value	18,142.8	[1]
Amount Of Consolidated Debts Of Subsidiaries Excluded From Computation Of Leverage Ratio	350.0
Unrestricted Cash Excluded From Debt Covenant	2,937.3
Leverage ratio for senior secured debt	3.73
Caesars Entertainment Operating Company [Member] | Maximum [Member]
Debt Instrument [Line Items]
Leverage Ratio For Line Of Credit Facility	4.75
Caesars Entertainment Resort Properties [Member]
Debt Instrument [Line Items]
Long-term Debt	4,613.6		4,610.9
Debt Instrument, Face Value	4,677.5
Revolving Credit Facility, Remaining Borrowing Capacity	269.5
Leverage Ratio For Line Of Credit Facility	5.44
Caesars Entertainment Resort Properties [Member] | Maximum [Member]
Debt Instrument [Line Items]
Leverage Ratio For Line Of Credit Facility	8.0
Caesars Growth Partners, LLC [Member]
Debt Instrument [Line Items]
Long-term Debt	720.1	[2]	721.7	[2]
Debt Instrument, Face Value	761.3	[2]
Medium-term Notes [Member] | Caesars Entertainment Operating Company [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Value	4,410.1	[3]
Revolving Credit Facility, Maximum Borrowing Capacity	4,516.2
Required scheduled by Credit Facilities for quarterly payments	2.5
Medium-term Notes [Member] | Caesars Entertainment Operating Company [Member] | Senior Secured Revolving Facility [Member]
Debt Instrument [Line Items]
Revolving Credit Facility, Maximum Borrowing Capacity	106.1
Revolving Credit Facility, Remaining Borrowing Capacity	9.8
Medium-term Notes [Member] | Caesars Entertainment Operating Company [Member] | Credit Facilities Term Loans B5-B6 [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Value	3,423.8
Medium-term Notes [Member] | Caesars Growth Partners, LLC [Member]
Debt Instrument [Line Items]
Long-term Debt	214.8		214.5
Debt Instrument, Interest Rate	8.25%
Debt Instrument, Face Value	225.0
Secured Debt [Member] | Caesars Entertainment Operating Company [Member]
Debt Instrument [Line Items]
Long-term Debt, Current Maturities	18.6
Secured Debt [Member] | Caesars Entertainment Resort Properties [Member]
Debt Instrument [Line Items]
Long-term Debt	2,445.0	[4]	2,449.7	[4]
Long-term Debt, Current Maturities	25.0
Debt Instrument, Interest Rate	7.00%
Debt Instrument, Face Value	2,493.8	[4]
Debt Instrument, Original Face Amount	2,500.0
Term Loans Periodic Payments	6.3
Secured Debt [Member] | Caesars Growth Partners, LLC [Member]
Debt Instrument [Line Items]
Long-term Debt	454.1		456.1
Debt Instrument, Interest Rate	3.01%
Debt Instrument, Face Value	485.1
Subordinated Debt [Member] | Twenty-Eighteen Note at Ten Percent [Member] | Caesars Entertainment Operating Company [Member]
Debt Instrument [Line Items]
Long-term Debt	2,484.6	[3]	2,433.2	[3]
Long-term Debt, Current Maturities	43.5		43.5
Debt Instrument, Interest Rate	10.00%
Debt Instrument, Face Value	4,528.1	[3]
Subordinated Debt [Member] | Twenty-Fifteen Note at Ten Percent [Member] | Caesars Entertainment Operating Company [Member]
Debt Instrument [Line Items]
Long-term Debt	191.1	[3]	187.7	[3]
Long-term Debt, Current Maturities	31.6
Debt Instrument, Interest Rate	10.00%
Debt Instrument, Face Value	214.8	[3]
Unsecured Debt [Member] | Caesars Entertainment Operating Company [Member]
Debt Instrument [Line Items]
Long-term Debt	43.4		45.9
Debt Instrument, Face Value	43.4
Unsecured Debt [Member] | Caesars Entertainment Resort Properties [Member]
Debt Instrument [Line Items]
Long-term Debt	20.0		21.3
Debt Instrument, Face Value	20.0
Unsecured Debt [Member] | Caesars Growth Partners, LLC [Member]
Debt Instrument [Line Items]
Long-term Debt	51.1		51.0
Long-term Debt, Current Maturities	47.7		47.7
Debt Instrument, Face Value	51.1
Revolving Credit Facility [Member] | Caesars Entertainment Operating Company [Member]
Debt Instrument [Line Items]
Line Of Credit Outstanding Amount Committed To Letters Of Credit	96.3
Revolving Credit Facility [Member] | Caesars Entertainment Resort Properties [Member]
Debt Instrument [Line Items]
Revolving Credit Facility, Maximum Borrowing Capacity	2,769.5
Revolving Credit Facility, Remaining Borrowing Capacity	269.5
First Lien Notes [Member] | Caesars Entertainment Resort Properties [Member]
Debt Instrument [Line Items]
Long-term Debt	993.9	[4]	993.7	[4]
Debt Instrument, Interest Rate	8.00%
Debt Instrument, Face Value	1,000.0
Second Lien Notes [Member] | Caesars Entertainment Resort Properties [Member]
Debt Instrument [Line Items]
Long-term Debt	1,141.0	[4]	1,140.8	[4]
Debt Instrument, Interest Rate	11.00%
Debt Instrument, Face Value	1,150.0
Subsequent Event [Member] | Caesars Entertainment Operating Company [Member]
Debt Instrument [Line Items]
Long-term Debt	1,750.0
Subsequent Event [Member] | Caesars Growth Partners, LLC [Member]
Debt Instrument [Line Items]
Sales Price Of Subsidiary	2,000.0
Subsequent Event [Member] | Secured Debt [Member] | Caesars Growth Partners, LLC [Member]
Debt Instrument [Line Items]
Long-term Debt	$ 1,325.0

[1] face value of debt issued by CEOC is held by other consolidated entities, substantially all of which is held by CGP LLC. Accordingly, such debt is not considered outstanding in the above presentation.

[2] 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.

[3] Guaranteed by Caesars Entertainment.

[4] Guaranteed by Caesars Entertainment Resort Properties and its subsidiaries.