Debt - Outstanding Debt (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2014		Dec. 31, 2013
Debt Instrument [Line Items]
Debt, Instrument, Face Value	$ 23,583.7
Long-Term Debt, Face Value	23,386.5
Debt, Book Value at end of period	21,191.5		21,115.5
Current Portion of Long-Term Debt	(197.2)		(197.1)
Long-Term Debt, Face Value	20,994.3		20,918.4
Subsidiary Issuer [Member]
Debt Instrument [Line Items]
Debt, Instrument, Face Value	1,146.8
Caesars Entertainment Operating Company [Member]
Debt Instrument [Line Items]
Debt, Instrument, Face Value	18,142.8	[1]
Debt, Book Value at end of period	15,855.7	[1]	15,782.9	[1]
Caesars Entertainment Operating Company [Member] | Credit Facilities Term Loans B One B Three [Member]
Debt Instrument [Line Items]
Debt, Rate(s), Minimum	3.23%	[2]
Debt, Rate(s), Maximum	3.24%	[2]
Caesars Entertainment Operating Company [Member] | Medium-term Notes [Member]
Debt Instrument [Line Items]
Debt, Instrument, Face Value	4,410.1	[2]
Caesars Entertainment Operating Company [Member] | Medium-term Notes [Member] | Term Loan B One - B Three [Member]
Debt Instrument [Line Items]
Debt, Instrument, Face Value	29.0	[2]
Debt, Book Value at end of period	29.0	[2]	29.0	[2]
Caesars Entertainment Operating Company [Member] | Medium-term Notes [Member] | Term Loan B Four [Member]
Debt Instrument [Line Items]
Debt, Rate(s)	9.50%
Debt, Instrument, Face Value	957.3	[2]
Debt, Book Value at end of period	946.3	[2]	948.1	[2]
Caesars Entertainment Operating Company [Member] | Medium-term Notes [Member] | Term Loans B Five [Member]
Debt Instrument [Line Items]
Debt, Rate(s)	4.49%
Debt, Instrument, Face Value	991.9	[2]
Debt, Book Value at end of period	989.5	[2]	989.3	[2]
Caesars Entertainment Operating Company [Member] | Medium-term Notes [Member] | Term Loan B Six [Member]
Debt Instrument [Line Items]
Debt, Rate(s)	5.49%
Debt, Instrument, Face Value	2,431.9	[2],[3]
Debt, Book Value at end of period	2,401.7	[2],[3]	2,399.9	[2],[3]
Caesars Entertainment Operating Company [Member] | Secured Debt [Member]
Debt Instrument [Line Items]
Current Portion of Long-Term Debt	(18.6)
Caesars Entertainment Operating Company [Member] | Secured Debt [Member] | Twenty-Seventeen Note at Eleven point Two Five Percent [Member]
Debt Instrument [Line Items]
Debt, Rate(s)	11.25%
Debt, Instrument, Face Value	2,095.0	[2]
Long-Term Debt Effecting Maturities	250.0
Debt, Book Value at end of period	2,068.0	[2]	2,066.4	[2]
Caesars Entertainment Operating Company [Member] | Secured Debt [Member] | Twenty-twenty Note at Eight point Five Percent [Member]
Debt Instrument [Line Items]
Debt, Rate(s)	8.50%
Debt, Instrument, Face Value	1,250.0	[2]
Debt, Book Value at end of period	1,250.0	[2]	1,250.0	[2]
Caesars Entertainment Operating Company [Member] | Secured Debt [Member] | Twenty-Twenty Note at Nine Percent [Member]
Debt Instrument [Line Items]
Debt, Rate(s)	9.00%
Debt, Instrument, Face Value	3,000.0	[2]
Debt, Book Value at end of period	2,955.9	[2]	2,954.5	[2]
Caesars Entertainment Operating Company [Member] | Secured Debt [Member] | Chester Downs Senior Secured Notes [Member]
Debt Instrument [Line Items]
Debt, Rate(s)	9.25%
Debt, Instrument, Face Value	330.0
Debt, Book Value at end of period	330.0		330.0
Caesars Entertainment Operating Company [Member] | Secured Debt [Member] | Bill's Gamblin' Hall & Saloon Senior Secured Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Debt, Rate(s)	11.00%
Debt, Instrument, Face Value	185.0	[4]
Debt, Book Value at end of period	179.9	[4]	179.8	[4]
Caesars Entertainment Operating Company [Member] | Subordinated Debt [Member] | Twenty-Eighteen Note at Twelve point Seven Five [Member]
Debt Instrument [Line Items]
Debt, Rate(s)	12.75%
Debt, Instrument, Face Value	750.0	[2]
Debt, Book Value at end of period	744.2	[2]	743.9	[2]
Caesars Entertainment Operating Company [Member] | Subordinated Debt [Member] | Twenty-Eighteen Note at Ten Percent [Member]
Debt Instrument [Line Items]
Debt, Rate(s)	10.00%
Debt, Instrument, Face Value	4,528.1	[2]
Debt, Book Value at end of period	2,484.6	[2]	2,433.2	[2]
Current Portion of Long-Term Debt	(43.5)		(43.5)
Caesars Entertainment Operating Company [Member] | Subordinated Debt [Member] | Twenty-Fifteen Note at Ten Percent [Member]
Debt Instrument [Line Items]
Debt, Rate(s)	10.00%
Debt, Instrument, Face Value	214.8	[2]
Debt, Book Value at end of period	191.1	[2]	187.7	[2]
Current Portion of Long-Term Debt	(31.6)
Caesars Entertainment Operating Company [Member] | Capital Lease Obligations [Member]
Debt Instrument [Line Items]
Debt, Instrument, Face Value	22.2
Debt, Book Value at end of period	22.2		16.7
Caesars Entertainment Operating Company [Member] | Subsidiary-Guaranteed Senior Notes [Member] | Senior Notes [Member]
Debt Instrument [Line Items]
Debt, Rate(s)	10.75%
Debt, Instrument, Face Value	478.6	[5]
Debt, Book Value at end of period	478.6	[5]	478.6	[5]
Caesars Entertainment Operating Company [Member] | Subsidiary-Guaranteed Senior Notes [Member] | Payment in Kind (PIK) Note [Member]
Debt Instrument [Line Items]
Debt, Rate(s), Minimum	10.75%	[5]
Debt, Rate(s), Maximum	11.50%	[5]
Debt, Instrument, Face Value	11.5	[5]
Debt, Book Value at end of period	11.5	[5]	10.9	[5]
Caesars Entertainment Operating Company [Member] | Unsecured Debt [Member]
Debt Instrument [Line Items]
Debt, Rate(s), Minimum	0.00%
Debt, Rate(s), Maximum	6.00%
Debt, Instrument, Face Value	43.4
Debt, Book Value at end of period	43.4		45.9
Caesars Entertainment Operating Company [Member] | Unsecured Debt [Member] | Unsecured Senior Debt Five Point Six Two Five Percent [Member]
Debt Instrument [Line Items]
Debt, Rate(s)	5.625%
Debt, Instrument, Face Value	364.4	[2]
Debt, Book Value at end of period	334.2	[2]	328.3	[2]
Caesars Entertainment Operating Company [Member] | Unsecured Debt [Member] | Unsecured Senior Debt Six Point Five Percent [Member]
Debt Instrument [Line Items]
Debt, Rate(s)	6.50%
Debt, Instrument, Face Value	248.7	[2]
Debt, Book Value at end of period	215.8	[2]	212.6	[2]
Caesars Entertainment Operating Company [Member] | Unsecured Debt [Member] | Unsecured Senior Debt Five Point Seven Five Percent [Member]
Debt Instrument [Line Items]
Debt, Rate(s)	5.75%
Debt, Instrument, Face Value	147.9	[2]
Debt, Book Value at end of period	116.7	[2]	115.0	[2]
Caesars Entertainment Operating Company [Member] | Convertible Debt [Member]
Debt Instrument [Line Items]
Debt, Rate(s)	0.25%
Debt, Instrument, Face Value	0.2	[2]
Debt, Book Value at end of period	0.2	[2]	0.2	[2]
Caesars Entertainment Operating Company [Member] | Other Unsecured Borrowings Special Improvement District Bonds [Member]
Debt Instrument [Line Items]
Debt, Rate(s)	5.30%
Debt, Instrument, Face Value	62.9
Debt, Book Value at end of period	62.9		62.9
Caesars Entertainment Resort Properties [Member]
Debt Instrument [Line Items]
Debt, Instrument, Face Value	4,677.5
Debt, Book Value at end of period	4,613.6		4,610.9
Caesars Entertainment Resort Properties [Member] | Secured Debt [Member]
Debt Instrument [Line Items]
Debt, Rate(s)	7.00%
Debt, Instrument, Face Value	2,493.8	[6]
Debt, Book Value at end of period	2,445.0	[6]	2,449.7	[6]
Current Portion of Long-Term Debt	(25.0)
Caesars Entertainment Resort Properties [Member] | Capital Lease Obligations [Member]
Debt Instrument [Line Items]
Debt, Instrument, Face Value	13.7
Debt, Book Value at end of period	13.7		5.4
Caesars Entertainment Resort Properties [Member] | Unsecured Debt [Member]
Debt Instrument [Line Items]
Debt, Rate(s), Minimum	0.00%
Debt, Rate(s), Maximum	6.00%
Debt, Instrument, Face Value	20.0
Debt, Book Value at end of period	20.0		21.3
Caesars Entertainment Resort Properties [Member] | First Lien Notes [Member]
Debt Instrument [Line Items]
Debt, Rate(s)	8.00%
Debt, Instrument, Face Value	1,000.0
Debt, Book Value at end of period	993.9	[6]	993.7	[6]
Caesars Entertainment Resort Properties [Member] | Second Lien Notes [Member]
Debt Instrument [Line Items]
Debt, Rate(s)	11.00%
Debt, Instrument, Face Value	1,150.0
Debt, Book Value at end of period	1,141.0	[6]	1,140.8	[6]
Caesars Growth Partners, LLC [Member]
Debt Instrument [Line Items]
Debt, Instrument, Face Value	761.3	[7]
Debt, Book Value at end of period	720.1	[7]	721.7	[7]
Caesars Growth Partners, LLC [Member] | Medium-term Notes [Member]
Debt Instrument [Line Items]
Debt, Rate(s)	8.25%
Debt, Instrument, Face Value	225.0
Debt, Book Value at end of period	214.8		214.5
Caesars Growth Partners, LLC [Member] | Secured Debt [Member]
Debt Instrument [Line Items]
Debt, Rate(s)	3.01%
Debt, Instrument, Face Value	485.1
Debt, Book Value at end of period	454.1		456.1
Caesars Growth Partners, LLC [Member] | Capital Lease Obligations [Member]
Debt Instrument [Line Items]
Debt, Instrument, Face Value	0.1
Debt, Book Value at end of period	0.1		0.1
Caesars Growth Partners, LLC [Member] | Unsecured Debt [Member]
Debt Instrument [Line Items]
Debt, Instrument, Face Value	51.1
Debt, Book Value at end of period	51.1		51.0
Current Portion of Long-Term Debt	(47.7)		(47.7)
Parent [Member] | Unsecured Debt [Member]
Debt Instrument [Line Items]
Debt, Rate(s)	2.99%
Debt, Instrument, Face Value	2.1
Debt, Book Value at end of period	2.1		0
Caesars Interactive Entertainment [Member] | Unsecured Debt [Member]
Debt Instrument [Line Items]
Debt, Book Value at end of period	$ 39.8

[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] Guaranteed by Caesars Entertainment.

[3] The Term B-6 Loans have a springing maturity to April 14, 2017 if more than $250.0 million of CEOC's 11.25% senior secured notes due 2017 remain outstanding on April 14, 2017.

[4] During the three months ended March 31, 2014, the Company announced the agreement to sell the property to CGP LLC. As part of this transaction, CGP LLC will assume this debt. See Note 5, "Property Transaction with CGP LLC and Related Financing".

[5] Guaranteed by Caesars Entertainment and certain wholly owned subsidiaries of CEOC.

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

[7] 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.