Debt - Outstanding Debt (Detail) (USD $) In Millions, unless otherwise specified					12 Months Ended				12 Months Ended				12 Months Ended				12 Months Ended				12 Months Ended				12 Months Ended				12 Months Ended				12 Months Ended					12 Months Ended				12 Months Ended				12 Months Ended				12 Months Ended				12 Months Ended				12 Months Ended		12 Months Ended			12 Months Ended			12 Months Ended			12 Months Ended			12 Months Ended				12 Months Ended				12 Months Ended				12 Months Ended				12 Months Ended				12 Months Ended				12 Months Ended				12 Months Ended				12 Months Ended		12 Months Ended		12 Months Ended
	Dec. 31, 2012		Dec. 31, 2011		Dec. 31, 2012 Credit Facilities Term Loans B1-B3 [Member]		Dec. 31, 2011 Credit Facilities Term Loans B1-B3 [Member]		Dec. 31, 2012 Credit Facilities Term Loan B4 [Member]		Dec. 31, 2011 Credit Facilities Term Loan B4 [Member]		Dec. 31, 2012 Credit Facilities Term Loan B5 [Member]		Dec. 31, 2011 Credit Facilities Term Loan B5 [Member]		Dec. 31, 2012 Credit Facilities Term Loans B6 [Member]		Dec. 31, 2011 Credit Facilities Term Loans B6 [Member]		Dec. 31, 2012 Revolving credit facility with maturity of 2014 [Member]		Dec. 31, 2011 Revolving credit facility with maturity of 2014 [Member]		Dec. 31, 2012 Revolving Credit Facility with Maturity of 2017 [Member]		Dec. 31, 2011 Revolving Credit Facility with Maturity of 2017 [Member]		Dec. 31, 2012 Senior notes with maturity of 2017 [Member]		Dec. 31, 2011 Senior notes with maturity of 2017 [Member]		Dec. 31, 2012 Senior notes with maturity of 2020 [Member]		Feb. 29, 2012 Senior notes with maturity of 2020 [Member]	Dec. 31, 2011 Senior notes with maturity of 2020 [Member]		Dec. 31, 2012 Senior Notes With Maturity of 2020 (One and Two) [Member]		Dec. 31, 2011 Senior Notes With Maturity of 2020 (One and Two) [Member]		Dec. 31, 2012 CMBS Financing [Member]		Dec. 31, 2011 CMBS Financing [Member]	Jan. 31, 2008 CMBS Financing [Member]	Dec. 31, 2012 Second-priority senior secured notes with maturity of 2018 one [Member]		Dec. 31, 2011 Second-priority senior secured notes with maturity of 2018 one [Member]		Dec. 31, 2012 Second-priority senior secured notes with maturity of 2018 two [Member]		Dec. 31, 2011 Second-priority senior secured notes with maturity of 2018 two [Member]		Dec. 31, 2012 Second priority senior secured notes with maturity of 2015 [Member]		Dec. 31, 2011 Second priority senior secured notes with maturity of 2015 [Member]		Dec. 31, 2012 Chester Downs Term Loan [Member]	Dec. 31, 2011 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, 2011 Chester Downs Senior Secured Notes [Member]	Dec. 31, 2012 PHW Las Vegas Senior Secured Loan [Member]		Dec. 31, 2011 PHW Las Vegas Senior Secured Loan [Member]	Dec. 31, 2012 Linq Octavius Senior Secured Loan [Member]	Dec. 31, 2011 Linq Octavius Senior Secured Loan [Member]	Apr. 25, 2011 Linq Octavius Senior Secured Loan [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]	Dec. 31, 2011 Bill's Gamblin' Hall & Saloon Senior Secured Revolving Credit Facility [Member]	Dec. 31, 2012 Subsidiary-Guaranteed Senior Notes [Member]		Dec. 31, 2011 Subsidiary-Guaranteed Senior Notes [Member]		Dec. 31, 2012 Subsidiary-Guaranteed Senior PIK Toggle Notes [Member]		Dec. 31, 2011 Subsidiary-Guaranteed Senior PIK Toggle Notes [Member]		Dec. 31, 2012 Unsecured Senior Debt 5.375% [Member]		Dec. 31, 2011 Unsecured Senior Debt 5.375% [Member]		Dec. 31, 2012 Unsecured Senior Debt 7.0% [Member]		Dec. 31, 2011 Unsecured Senior Debt 7.0% [Member]		Dec. 31, 2012 Unsecured Senior Debt 5.625% [Member]		Dec. 31, 2011 Unsecured Senior Debt 5.625% [Member]		Dec. 31, 2012 Unsecured Senior Debt 6.5% [Member]		Dec. 31, 2011 Unsecured Senior Debt 6.5% [Member]		Dec. 31, 2012 Unsecured Senior Debt 5.75% [Member]		Dec. 31, 2011 Unsecured Senior Debt 5.75% [Member]		Dec. 31, 2012 Floating Rate Contingent Convertible Senior Notes [Member]		Dec. 31, 2011 Floating Rate Contingent Convertible Senior Notes [Member]		Dec. 31, 2012 Other Unsecured Borrowings Special Improvement District Bonds [Member]	Dec. 31, 2011 Other Unsecured Borrowings Special Improvement District Bonds [Member]	Dec. 31, 2012 Other Unsecured Borrowings, Other [Member]	Dec. 31, 2011 Other Unsecured Borrowings, Other [Member]	Dec. 31, 2012 Capital Lease Obligations [Member]	Dec. 31, 2011 Capital Lease Obligations [Member]
Debt Instrument [Line Items]
Debt, Final Maturity					2015	[1]			2016	[1]			2018	[1]			2018	[1]			2014	[1]			2017	[1]			2017	[1]			2020	[1]				2020 (a)	[1],[2]			2015 (b)	[3]			2018	[1]			2018	[1]			2015	[1]			0		2020			2015 (b)	[3]		2017			2019			2016	[4]			2018	[4]			2013	[1]			2013	[1]			2015	[1]			2016	[1]			2017	[1]			2024	[1]			2037		2014		to 2017
Debt, Rate(s) at December 31, 2012									9.50%	[1]			4.46%	[1]			5.46%	[1]			0.00%	[1]			0.00%	[1]			11.25%	[1]			8.50%	[1]	8.50%			9.00%	[1]			3.21%				12.75%	[1]			10.00%	[1]			10.00%	[1]			0.00%		9.25%			3.07%			9.25%			11.00%			10.75%	[4]							5.375%	[1]			7.00%	[1]			5.625%	[1]			6.50%	[1]			5.75%	[1]			0.57%	[1]			5.30%
Debt, Rate(s) at December 31, 2012																																																																																																										0
Debt, Rate(s) at December 31, 2012, Minimum					3.21%	[1]																																																												1.25%										10.75%	[4]																															3.57%
Debt, Rate(s) at December 31, 2012, Maximum					3.31%	[1]																																																																						11.50%	[4]																															11.00%
Debt, Face Value at December 31, 2012	$ 24,103.1				$ 1,025.8	[1]			$ 970.0	[1]			$ 1,222.7	[1]			$ 2,853.8	[1]			$ 0	[1]			$ 0	[1]			$ 2,095.0	[1]			$ 1,250.0	[1]	$ 1,250.0			$ 1,500.0	[1]			$ 4,664.1			$ 6,500.0	$ 750.0	[1]			$ 4,553.1	[1]			$ 214.8	[1]			$ 0		$ 330.0	$ 330.0		$ 515.5			$ 450.0		$ 450.0	$ 185.0	$ 185.0		$ 478.6	[4]			$ 9.7	[4]			$ 125.2	[1]			$ 0.6	[1]			$ 364.5	[1]			$ 248.7	[1]			$ 147.9	[1]			$ 0.2	[1]			$ 64.3		$ 47.7		$ 35.9
Current Portion of Long-Term Debt	(905.1)	[2]
Long-Term Debt	23,198.0
Debt, Book Value at December 31	21,412.1		19,799.9		1,025.8	[1]	5,000.5	[1]	954.5	[1]	961.2	[1]	1,218.8	[1]	1,218.2	[1]	2,812.6	[1]	0	[1]	0	[1]	155.0	[1]	0	[1]	0	[1]	2,060.2	[1]	2,054.6	[1]	1,250.0	[1]		0	[1]	1,486.9	[1]	0	[1]	4,660.5		5,026.0		742.9	[1]	742.1	[1]	2,260.2	[1]	2,131.2	[1]	173.7	[1]	164.2	[1]	0	221.3	330.0		0	438.2		417.9	446.5	445.9		181.4		0	478.6	[4]	478.6	[4]	9.7	[4]	8.6	[4]	116.6	[1]	108.6	[1]	0.6	[1]	0.6	[1]	306.7	[1]	287.7	[1]	200.9	[1]	190.6	[1]	108.7	[1]	107.2	[1]	0.2	[1]	0.2	[1]	64.3	65.7	47.7	0.4	35.9	13.6
Current portion of long-term debt	(879.9)	[2]	(40.4)	[2]
Long-term debt	$ 20,532.2		$ 19,759.5

[1] Guaranteed by Caesars Entertainment.

[2] Includes the note offering that occurred in December 2012. Although the notes mature in 2020, $750.0 million face value notes offered in December 2012 are classified as short-term obligations within our December 31, 2012 balance sheet because the escrow conditions were not met as of that date.

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

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