Debt - Additional Information (Detail) (USD $)	1 Months Ended			12 Months Ended					12 Months Ended			3 Months Ended				1 Months Ended	12 Months Ended			12 Months Ended			12 Months Ended		12 Months Ended			12 Months Ended					12 Months Ended				12 Months Ended			1 Months Ended	12 Months Ended			12 Months Ended					12 Months Ended								12 Months Ended						0 Months Ended	12 Months Ended
	Aug. 31, 2012	Feb. 29, 2012	May 31, 2011	Dec. 31, 2012	Nov. 30, 2012 sqft	Jun. 30, 2012	Dec. 31, 2011	Jun. 30, 2012 Non-interest bearing promissory note [Member]	Dec. 31, 2012 Revolving Credit Facility [Member]	Dec. 31, 2012 Maximum [Member]	Dec. 31, 2012 Minimum [Member]	Jun. 30, 2012 Caesars Entertainment Operating Company, Inc. [Member]	Feb. 28, 2010 PHW Las Vegas , LLC [Member]	Dec. 31, 2012 Project Linq [Member]	Dec. 31, 2012 PHW Las Vegas Senior Secured Loan, Interest Only Participations [Member]	Feb. 29, 2012 Chester Downs Term Loan [Member]	Dec. 31, 2012 Chester Downs Term Loan [Member]	Dec. 31, 2012 Chester Downs Senior Secured Notes [Member]	Feb. 29, 2012 Chester Downs Senior Secured Notes [Member]	Dec. 31, 2012 PHW Las Vegas Senior Secured Loan [Member]		Dec. 31, 2012 PHW Las Vegas Senior Secured Loan [Member] Maximum [Member]	Dec. 31, 2012 PHW Las Vegas Senior Secured Loan [Member] Minimum [Member]	Feb. 19, 2010 PHW Las Vegas Senior Secured Loan [Member] PHW Las Vegas , LLC [Member]	Dec. 31, 2012 Senior notes with maturity of 2020 [Member]		Feb. 29, 2012 Senior notes with maturity of 2020 [Member]	Dec. 31, 2012 Revolving Credit Facility with Maturity of 2017 [Member]		Dec. 31, 2012 Revolving credit facility with maturity of 2014 [Member]		Dec. 31, 2012 Credit Facilities Term Loans B5-B6 [Member]	Dec. 31, 2012 Credit Facilities Term Loan B4 [Member]		Dec. 31, 2012 Senior Secured Term Loan [Member]	Dec. 31, 2012 Senior Secured Financing [Member]	Dec. 31, 2012 Senior notes with maturity of 2017 [Member]		Dec. 31, 2012 Original Revolver Commitments [Member]	May 31, 2011 Credit Facilities Term Loans B1-B3 [Member]	Dec. 31, 2012 Credit Facilities Term Loans B1-B3 [Member]		Aug. 31, 2012 Senior notes with maturity of 2020 one [Member]	Dec. 31, 2012 Unsecured Senior Debt 7.0% [Member]		Dec. 31, 2012 Unsecured Senior Debt 5.375% [Member]		Dec. 31, 2012 Senior Notes with Maturity of 2020 Two [Member]	Dec. 31, 2012 Credit Facilities Term Loans B6 [Member]		Dec. 31, 2012 Linq Octavius Senior Secured Loan [Member]	Apr. 25, 2011 Linq Octavius Senior Secured Loan [Member]	Dec. 31, 2012 Linq Octavius Senior Secured Loan [Member] Project Linq [Member]	Aug. 31, 2011 Linq Octavius Senior Secured Loan [Member] Project Linq [Member]	Dec. 31, 2012 Linq Octavius Senior Secured Loan [Member] Project Octavius [Member]	Apr. 25, 2011 Linq Octavius Senior Secured Loan [Member] Project Octavius [Member]	Dec. 31, 2012 Revised Revolver Commitments [Member]	Dec. 31, 2012 Incremental Loans [Member]	Dec. 31, 2012 Bill's Gamblin' Hall & Saloon Senior Secured Revolving Credit Facility [Member]	Nov. 30, 2012 Bill's Gamblin' Hall & Saloon Senior Secured Revolving Credit Facility [Member]	Nov. 30, 2012 Bill's Gamblin' Hall & Saloon Senior Secured Revolving Credit Facility [Member] Maximum [Member]	Nov. 30, 2012 Bill's Gamblin' Hall & Saloon Senior Secured Revolving Credit Facility [Member] Minimum [Member]	Sep. 01, 2010 CMBS Financing [Member]	Dec. 31, 2012 CMBS Financing [Member]		Dec. 31, 2011 CMBS Financing [Member]	Dec. 31, 2010 CMBS Financing [Member]	Aug. 31, 2010 CMBS Financing [Member]	Jan. 31, 2008 CMBS Financing [Member]	Dec. 31, 2012 Subsequent Event February 2013 CEOC [Member] Senior Notes With Maturity of 2020 (Three) [Member] [Member]	Dec. 31, 2012 Subsequent Event February 2013 CEOC [Member] Senior Notes with Maturity of 2020 Two [Member]	Dec. 31, 2012 London Interbank Offered Rate (LIBOR) [Member] Revolving Credit Facility [Member]	Dec. 31, 2012 London Interbank Offered Rate (LIBOR) [Member] Credit Facilities Term Loans B6 [Member]	Dec. 31, 2012 London Interbank Offered Rate (LIBOR) [Member] Revised Term Loans [Member]	Dec. 31, 2012 London Interbank Offered Rate (LIBOR) [Member] Revised Revolver Commitments [Member]	Dec. 31, 2012 London Interbank Offered Rate (LIBOR) [Member] Incremental Loans [Member]	Dec. 31, 2012 London Interbank Offered Rate (LIBOR) [Member] Bill's Gamblin' Hall & Saloon Senior Secured Revolving Credit Facility [Member] Minimum [Member]	Dec. 31, 2012 Alternate Rate [Member] Revised Revolver Commitments [Member]	Dec. 31, 2012 Alternate Rate [Member] Swingline Loan [Member]	Dec. 31, 2012 Alternate Rate [Member] Bill's Gamblin' Hall & Saloon Senior Secured Revolving Credit Facility [Member] Minimum [Member]
Debt Instrument [Line Items]
Unamortized discounts				$ 2,691,000,000			$ 2,858,000,000
Current Maturities of Debt [Abstract]
Debt Instrument, Interest Rate															1.59%		0.00%	9.25%		3.07%					8.50%	[1]	8.50%	0.00%	[1]	0.00%	[1]		9.50%	[1]			11.25%	[1]					9.00%	7.00%	[1]	5.375%	[1]	9.00%	5.46%	[1]	9.25%								11.00%					3.21%						9.00%	9.00%
2014				74,700,000
2015				6,839,500,000
2016				1,709,700,000
2017				2,735,300,000
Credit Agreement [Abstract]
Conversion of revolver commitments into Extended Term Loans			423,300,000																																					799,400,000									457,800,000
Conversion of B-1, B-2 and B-3 term loans to other term loans																																							37,200,000		3,812,300,000
Repayments of lines of credit	478,800,000	1,095,600,000																																															1,574,300,000
Minimum required outstanding balance of 11.25% Senrior Secured Notes to trigger springing maturity for B-6 Loans																																					250,000,000
Termination of original maturity revolver commitments																																																									798,500,000
Debt Conversion, Converted Instrument, Amount																																																	2,853,800,000
Senior secured revolving credit facility maturing on January 28, 2017																												31,100,000		377,200,000					6,072,300,000	6,480,600,000																							408,300,000
Debt Instrument, Face Value				24,103,100,000				28,500,000				5,900,000					0	330,000,000	330,000,000	515,500,000					1,250,000,000	[1]	1,250,000,000	0	[1]	0	[1]	4,076,500,000	970,000,000	[1]			2,095,000,000	[1]			1,025,800,000	[1]	750,000,000	600,000	[1]	125,200,000	[1]	750,000,000	2,853,800,000	[1]	450,000,000	450,000,000							185,000,000	185,000,000				4,664,100,000					6,500,000,000	1,500,000,000	750,000,000
Required scheduled by Credit Facilities for quarterly payments				3,100,000
Line Of Credit Outstanding Amount Committed To Letters Of Credit																																				90,600,000
Line of Credit Facility, Remaining Borrowing Capacity																																				317,700,000
Debt Instrument, Interest Rate, Stated Percentage Rate Range, Minimum																																									3.21%	[1]									1.25%							2.00%
CMBS Financing [Abstract]
Right to extend maturity term of debt																																																																				2 years
Basis points extension fee																																																																				0.005
Debt Maturity Period																																																				6 years								7 years
Aggregate purchase price for extended interest rate cap																																																															5,000,000
Purchase of CMBS Loans																																																																367,300,000		158,100,000	361,700,000
Gain on loan repurchase, net of deferred finance charges												1,000,000																																																				135,000,000		47,500,000	167,600,000
Debt Instrument, Cash Paid for Repurchase												3,200,000																																																				229,300,000		108,500,000	155,300,000
PHW Las Vegas senior secured loan [Abstract]
Business Acquisition, Percentage of Voting Interests Acquired													100.00%
Business Acquisition, Purchase Price Allocation, Noncurrent Liabilities, Long-term Debt																								554,300,000
Debt Service Coverage Ratio																						1.1	1.00
Percent of gross income from operations to calculate Adjusted Net Cash Flow																				3.00%
Ratio of Adjusted Net Cash Flow to the outstanding principal balance of the loan																							0.09
Octavius and Linq Projects [Abstract]
Maximum liability under the completion guarantee																																																					75,000,000		25,000,000					20,000,000
Book value of contributed assets																																																						319,200,000		312,000,000
Operating Leases, Future Minimum Payments Due				1,624,700,000										50,000,000
Total equity commitment																																																			76,000,000
Maximum liability under the performance guarantee																																																			50,000,000
Percent of excess cash flow to prepay the Term Facility																																																			50.00%
Bill's Credit Facility [Abstract]
Debt Instrument, Basis Spread on Variable Rate																				2.859%																															8.00%										9.75%	1.25%										3.00%	5.25%	4.25%	5.25%	7.50%	3.00%	4.25%	1.50%	2.00%
Area of Real Estate Property					65,000
Other Financing Transactions [Abstract]
Repayment of existing term loan plus accrued interest and prepayment penalty																232,400,000
Debt Instrument, Maturity Date																	0	2020		2015 (b)	[2]				2020	[1]		2017	[1]	2014	[1]		2016	[1]			2017	[1]			2015	[1]		2013	[1]	2013	[1]		2018	[1]	2017								2019					2015 (b)	[2]
Promissory note issued					19,200,000	28,500,000
Interest and Fees [Abstract]
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage									0.50%
Collateral and Guarantors [Abstract]
Minimum aggregate recourse liabilities																				30,000,000
Minimum Net Worth Required for Compliance																				100,000,000
Restrictive Covenants and Other Matters [Abstract]
Leverage ratio for line of credit facility										4.75	1.0
Ratio excludes first priority senior secured notes				2,200,000,000
Ratio excludes aggregate principal amount				350,000,000
Leverage ratio for senior secured debt										4.44	1
Fixed charge coverage ratio										2.0	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										6.15	1
Consolidated senior secured debt										12.11	1
CEOC's earnings were insufficient to cover fixed charges				407,200,000
Percentage of excess cash flow to make ongoing mandatory offers to purchase mezzanine loans																																																																100.00%
Percent of excess cash flow that may be distributed to Parent Company																																																																85.00%
Aggregate Principal Amount of Mezzanine Loans, Minimum																																																																625,000,000
Additional Amosrtization Amount of Loan																																																																31,300,000
Restricted net assets				$ 1,200,000,000			$ 1,100,000,000
Percent guarantee of the capital stock of the first-tier foreign subsidiaries				65.00%

[1] Guaranteed by Caesars Entertainment.

[2] Based on our ability and intent, assumes the exercise of extension options to move the maturity from 2013 to 2015, subject to certain conditions.