Debt - Additional Information (Detail) (USD $)	3 Months Ended		9 Months Ended													0 Months Ended		2 Months Ended														1 Months Ended	3 Months Ended	1 Months Ended				9 Months Ended			9 Months Ended		9 Months Ended			9 Months Ended			3 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Dec. 31, 2012	Feb. 28, 2013 Revolving Credit Facility [Member]	Feb. 28, 2013 Line of Credit [Member]	Sep. 30, 2013 Maximum [Member]	Sep. 30, 2013 Minimum [Member]	Sep. 30, 2013 Second-priority senior secured notes with maturity of 2018 two [Member]		Sep. 30, 2013 Second priority senior secured notes with maturity of 2015 [Member]		Sep. 30, 2013 Unsecured Senior Debt 5.375% [Member]		Feb. 20, 2013 Senior Notes with Maturity of 2020 Two [Member]	Dec. 31, 2012 Senior Notes with Maturity of 2020 Two [Member]	Feb. 28, 2013 Credit Facilities Term Loans B6 [Member]	Sep. 30, 2013 Credit Facilities Term Loans B6 [Member]		Sep. 30, 2013 Senior Secured Financing [Member]	Sep. 30, 2013 Senior Secured Term Loan [Member]	Sep. 30, 2013 Revolving credit facility with maturity of 2014 [Member]		Sep. 30, 2013 Revolving Credit Facility with Maturity of 2017 [Member]		Sep. 30, 2013 Credit Facilities Term Loans B1-B3 [Member]		Sep. 30, 2013 Credit Facilities Term Loan B4 [Member]		Sep. 30, 2013 Credit Facilities Term Loans B5-B6 [Member]	Feb. 28, 2013 Senior Notes With Maturity of 2020 (Three) [Member]	Mar. 31, 2013 Senior Notes [Member]	Aug. 31, 2013 CMBS Financing [Member]	Jun. 30, 2013 CMBS Financing [Member]	Feb. 28, 2013 CMBS Financing [Member]	Sep. 30, 2013 CMBS Financing [Member]	Sep. 30, 2013 Senior Secured Term Facility with a Seven-year Maturity [Member] Baltimore Credit Facility [Member]	Jul. 02, 2013 Senior Secured Term Facility with a Seven-year Maturity [Member] Baltimore Credit Facility [Member]	Jul. 02, 2013 Senior Secured Term Facility with a Seven-year Maturity1 [Member] Baltimore Credit Facility [Member]	Sep. 30, 2013 Senior Secured Term Facility - Delayed Draw Facility [Member] Baltimore Credit Facility [Member]	Jul. 02, 2013 Senior Secured Term Facility - Delayed Draw Facility [Member] Baltimore Credit Facility [Member]	Sep. 30, 2013 Senior Secured Term Facility - Delayed Draw Facility1 [Member] Baltimore Credit Facility [Member]	Jul. 02, 2013 Senior Secured Term Facility - Delayed Draw Facility1 [Member] Baltimore Credit Facility [Member]	Sep. 30, 2013 Senior Secured Revolving Facility [Member]	Sep. 30, 2013 Senior Secured Revolving Facility [Member] Baltimore Credit Facility [Member]	Jul. 02, 2013 Senior Secured Revolving Facility [Member] Baltimore Credit Facility [Member]	Jul. 02, 2013 Baltimore FF&E Facility [Member] Baltimore Credit Facility [Member]	Sep. 30, 2013 Caesars Entertainment Operating Company Inc [Member] Unsecured Senior Debt 5.375% [Member]
Debt Instrument [Line Items]
Unamortized discounts	$ 2,506,900,000		$ 2,506,900,000		$ 2,691,000,000
Current Maturities of Debt [Abstract]
Current portion of long-term debt, face value	166,400,000		166,400,000		879,900,000					26,000,000		24,900,000		80,700,000
Debt Instrument, Interest Rate										10.00%	[1]	10.00%	[1]	5.375%	[1]		9.00%		5.43%	[1]			0.00%	[1]	0.00%	[1]			9.50%	[1]		9.00%					3.68%												5.375%	[1]
Debt Instrument, Face Value	23,847,100,000		23,847,100,000							4,528,100,000	[1]	214,800,000	[1]	80,700,000	[1]		750,000,000		2,431,900,000	[1]			0	[1]	0	[1]	29,100,000	[1]	962,500,000	[1]	3,423,800,000	1,500,000,000					4,389,000,000		300,000,000	225,000,000		37,500,000		37,500,000			10,000,000	30,000,000
CEOC
Debt converted																		133,900,000
Revolving commitments terminated																		133,900,000
Extended facility commitments						75,000,000	650,000,000
Senior secured revolving credit facility, borrowing capacity																					4,630,800,000	4,415,400,000	109,400,000		106,100,000																				215,500,000
Required scheduled by Credit Facilities for quarterly payments			2,500,000
Debt Instrument, Face Value	23,847,100,000		23,847,100,000							4,528,100,000	[1]	214,800,000	[1]	80,700,000	[1]		750,000,000		2,431,900,000	[1]			0	[1]	0	[1]	29,100,000	[1]	962,500,000	[1]	3,423,800,000	1,500,000,000					4,389,000,000		300,000,000	225,000,000		37,500,000		37,500,000			10,000,000	30,000,000
Line Of Credit Outstanding Amount Committed To Letters Of Credit																					100,500,000
Line of Credit Facility, Remaining Borrowing Capacity																					114,900,000
Use of net proceeds from offering of senior secured notes																350,000,000																1,433,300,000
Loss on extinguishment of debt	(13,000,000)	0	(17,500,000)	(79,500,000)																													29,400,000	(13,400,000)	(39,000,000)														200,000
Open Market Purchases and Horseshoe Baltimore
Face value of debt repurchase																																		49,800,000	225,000,000														18,300,000
Debt Instrument, Interest Rate										10.00%	[1]	10.00%	[1]	5.375%	[1]		9.00%		5.43%	[1]			0.00%	[1]	0.00%	[1]			9.50%	[1]		9.00%					3.68%												5.375%	[1]
Cash Paid														18,300,000																				36,000,000	183,700,000
Gain (loss) on early extinguishments of debt	13,000,000	0	17,500,000	79,500,000																													(29,400,000)	13,400,000	39,000,000														(200,000)
Payments of loan maturity extension fees			23,300,000	0																																23,300,000
Debt Instrument, Face Amount	23,847,100,000		23,847,100,000							4,528,100,000	[1]	214,800,000	[1]	80,700,000	[1]		750,000,000		2,431,900,000	[1]			0	[1]	0	[1]	29,100,000	[1]	962,500,000	[1]	3,423,800,000	1,500,000,000					4,389,000,000		300,000,000	225,000,000		37,500,000		37,500,000			10,000,000	30,000,000
Debt Instrument, Term																																						7 years								5 years
Delayed draw facility, period of availability																																									12 months		18 months
Restrictive Covenants and Other Matters
Leverage ratio for line of credit facility								4.75	1
Ratio excludes first priority senior secured notes	3,700,000,000		3,700,000,000
Ratio excludes aggregate principal amount			350,000,000
Leverage ratio for senior secured debt								4.36	1
Fixed charge coverage ratio								2	1
First priority senior secured debt last twelve months to EBITDA								4.5	1
Consolidated senior secured debt LTM to EBITDA								7.25	1
First priority senior secured debt								7.30	1
Consolidated senior secured debt								13.44	1
CEOC's earnings were insufficient to cover fixed charges			$ 641,900,000

[1] Guaranteed by Caesars Entertainment.