Debt - Outstanding Debt (Detail) (USD $) In Millions, unless otherwise specified			3 Months Ended				3 Months Ended				3 Months Ended				3 Months Ended				3 Months Ended				3 Months Ended				3 Months Ended				3 Months Ended				3 Months Ended					3 Months Ended			3 Months Ended				3 Months Ended				3 Months Ended				3 Months Ended		3 Months Ended			3 Months Ended		3 Months Ended		3 Months Ended				3 Months Ended				3 Months Ended				3 Months Ended				3 Months Ended				3 Months Ended				3 Months Ended				3 Months Ended				3 Months Ended		3 Months Ended		3 Months Ended
	Mar. 31, 2013	Dec. 31, 2012	Mar. 31, 2013 Credit Facilities Term Loans B1-B3 [Member]		Dec. 31, 2012 Credit Facilities Term Loans B1-B3 [Member]		Mar. 31, 2013 Credit Facilities Term Loan B4 [Member]		Dec. 31, 2012 Credit Facilities Term Loan B4 [Member]		Mar. 31, 2013 Credit Facilities Term Loan B5 [Member]		Dec. 31, 2012 Credit Facilities Term Loan B5 [Member]		Mar. 31, 2013 Credit Facilities Term Loans B6 [Member]		Dec. 31, 2012 Credit Facilities Term Loans B6 [Member]		Mar. 31, 2013 Revolving credit facility with maturity of 2014 [Member]		Dec. 31, 2012 Revolving credit facility with maturity of 2014 [Member]		Mar. 31, 2013 Revolving Credit Facility with Maturity of 2017 [Member]		Dec. 31, 2012 Revolving Credit Facility with Maturity of 2017 [Member]		Mar. 31, 2013 Senior notes with maturity of 2017 [Member]		Dec. 31, 2012 Senior notes with maturity of 2017 [Member]		Mar. 31, 2013 Senior notes with maturity of 2020 [Member]		Dec. 31, 2012 Senior notes with maturity of 2020 [Member]		Mar. 31, 2013 Senior Notes With Maturity of 2020 (One and Two) [Member]		Dec. 31, 2012 Senior Notes With Maturity of 2020 (One and Two) [Member]		Feb. 28, 2013 Senior Notes With Maturity of 2020 (Three) [Member]	Mar. 31, 2013 CMBS Financing [Member]		Dec. 31, 2012 CMBS Financing [Member]	Mar. 31, 2013 Second-priority senior secured notes with maturity of 2018 one [Member]		Dec. 31, 2012 Second-priority senior secured notes with maturity of 2018 one [Member]		Mar. 31, 2013 Second-priority senior secured notes with maturity of 2018 two [Member]		Dec. 31, 2012 Second-priority senior secured notes with maturity of 2018 two [Member]		Mar. 31, 2013 Second priority senior secured notes with maturity of 2015 [Member]		Dec. 31, 2012 Second priority senior secured notes with maturity of 2015 [Member]		Mar. 31, 2013 Chester Downs Senior Secured Notes [Member]	Dec. 31, 2012 Chester Downs Senior Secured Notes [Member]	Mar. 31, 2013 PHW Las Vegas Senior Secured Loan [Member]		Dec. 31, 2012 PHW Las Vegas Senior Secured Loan [Member]	Mar. 31, 2013 Linq Octavius Senior Secured Loan [Member]	Dec. 31, 2012 Linq Octavius Senior Secured Loan [Member]	Mar. 31, 2013 Bill's Gamblin' Hall & Saloon Senior Secured Revolving Credit Facility [Member]	Dec. 31, 2012 Bill's Gamblin' Hall & Saloon Senior Secured Revolving Credit Facility [Member]	Mar. 31, 2013 Subsidiary-Guaranteed Senior Notes [Member]		Dec. 31, 2012 Subsidiary-Guaranteed Senior Notes [Member]		Mar. 31, 2013 Subsidiary-Guaranteed Senior PIK Toggle Notes [Member]		Dec. 31, 2012 Subsidiary-Guaranteed Senior PIK Toggle Notes [Member]		Mar. 31, 2013 Unsecured Senior Debt 5.375% [Member]		Dec. 31, 2012 Unsecured Senior Debt 5.375% [Member]		Mar. 31, 2013 Unsecured Senior Debt 7.0% [Member]		Dec. 31, 2012 Unsecured Senior Debt 7.0% [Member]		Mar. 31, 2013 Unsecured Senior Debt 5.625% [Member]		Dec. 31, 2012 Unsecured Senior Debt 5.625% [Member]		Mar. 31, 2013 Unsecured Senior Debt 6.5% [Member]		Dec. 31, 2012 Unsecured Senior Debt 6.5% [Member]		Mar. 31, 2013 Unsecured Senior Debt 5.75% [Member]		Dec. 31, 2012 Unsecured Senior Debt 5.75% [Member]		Mar. 31, 2013 Floating Rate Contingent Convertible Senior Notes [Member]		Dec. 31, 2012 Floating Rate Contingent Convertible Senior Notes [Member]		Mar. 31, 2013 Other Unsecured Borrowings Special Improvement District Bonds [Member]	Dec. 31, 2012 Other Unsecured Borrowings Special Improvement District Bonds [Member]	Mar. 31, 2013 Other Unsecured Borrowings, Other [Member]	Dec. 31, 2012 Other Unsecured Borrowings, Other [Member]	Mar. 31, 2013 Capital Lease Obligations [Member]	Dec. 31, 2012 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	[1]				2015	[2]		2018	[1]			2018	[1]			2015	[1]			2020		2015	[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 March 31, 2013							9.50%	[1]			4.45%	[1]			5.45%	[1]			0.00%	[1]			0.00%	[1]			11.25%	[1]			8.50%	[1]			9.00%	[1]			9.00%	3.70%			12.75%	[1]			10.00%	[1]			10.00%	[1]			9.25%		3.06%			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%		0.00%
Debt, Rate(s) at March 31, 2013, Minimum			3.20%	[1]																																																																10.75%	[4]																															3.57%
Debt, Rate(s) at March 31, 2013, Maximum			3.28%	[1]																																																																11.50%	[4]																															11.00%
Debt, Face Value at March 31, 2013	$ 23,947.9		$ 29.1	[1]			$ 967.5	[1]			$ 991.9	[1]			$ 2,431.9	[1]			$ 0	[1]			$ 0	[1]			$ 2,095.0	[1]			$ 1,250.0	[1]			$ 3,000.0	[1]			$ 1,500.0	$ 4,664.1			$ 750.0	[1]			$ 4,553.1	[1]			$ 214.8	[1]			$ 330.0		$ 514.6			$ 450.0		$ 185.0		$ 478.6	[4]			$ 10.3	[4]			$ 125.2	[1]			$ 0.6	[1]			$ 364.5	[1]			$ 248.7	[1]			$ 147.9	[1]			$ 0.2	[1]			$ 64.3		$ 47.7		$ 32.9
Current Portion of Long-Term Debt	(153.0)
Long-Term Debt	23,794.9
Debt, Book Value at end of period	21,277.1	21,412.1	29.1	[1]	1,025.8	[1]	952.9	[1]	954.5	[1]	988.8	[1]	1,218.8	[1]	2,394.9	[1]	2,812.6	[1]	0	[1]	0	[1]	0	[1]	0	[1]	2,061.6	[1]	2,060.2	[1]	1,250.0	[1]	1,250.0	[1]	2,950.7	[1]	1,486.9	[1]		4,638.5		4,660.5	743.2	[1]	742.9	[1]	2,298.6	[1]	2,260.2	[1]	176.4	[1]	173.7	[1]	330.0	330.0	455.3		438.2	446.7	446.5	181.4	181.4	478.6	[4]	478.6	[4]	10.3	[4]	9.7	[4]	118.8	[1]	116.6	[1]	0.6	[1]	0.6	[1]	311.8	[1]	306.7	[1]	203.6	[1]	200.9	[1]	110.2	[1]	108.7	[1]	0.2	[1]	0.2	[1]	64.3	64.3	47.7	47.7	32.9	35.9
Current Portion of Long-Term Debt	(143.0)	(879.9)
Long-Term Debt	$ 21,134.1	$ 20,532.2

[1] Guaranteed by Caesars Entertainment.

[2] Based on our ability and intent, assumes the exercise of extension options to move the maturity from 2014 to 2015, subject to certain conditions.

[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