Acquisitions, Investments, Dispositions and Divestitures - Additional Information (Detail) (USD $)	3 Months Ended		6 Months Ended			0 Months Ended	3 Months Ended		3 Months Ended			3 Months Ended									6 Months Ended		3 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012	Dec. 31, 2012	Nov. 02, 2012 Harrahs St. Louis [Member]	Mar. 31, 2013 Harrahs St. Louis [Member]	Sep. 30, 2012 Bubbler Media [Member] Caesars Interactive Entertainment [Member]	Jun. 30, 2013 Buffalo Studios, LLC [Member] Caesars Interactive Entertainment [Member]	Mar. 31, 2013 Buffalo Studios, LLC [Member] Caesars Interactive Entertainment [Member]	Dec. 31, 2012 Buffalo Studios, LLC [Member] Caesars Interactive Entertainment [Member]	Jun. 30, 2013 Alea Leeds Casino [Member]	Mar. 31, 2013 Alea Leeds Casino [Member]	Mar. 31, 2013 Non-cancellable Contract Costs [Member] Alea Leeds Casino [Member]	Mar. 31, 2013 Employment Related Costs [Member] Alea Leeds Casino [Member]	Mar. 31, 2013 Other Business Exit Costs [Member] Alea Leeds Casino [Member]	Jun. 30, 2013 Assets Held-for-sale [Member] Macau [Member]	Mar. 31, 2013 Assets Held-for-sale [Member] Macau [Member]	Jun. 30, 2012 Assets Held-for-sale [Member] Macau [Member]	Jun. 30, 2013 Enjoy S.A. [Member] Conrad Punta Del Este Resort and Casino [Member]	Jun. 30, 2013 Enjoy S.A. [Member] Conrad Punta Del Este Resort and Casino [Member] Baluma S.A. [Member]	May 31, 2013 Enjoy S.A. [Member] Conrad Punta Del Este Resort and Casino [Member] Baluma S.A. [Member]	Jun. 30, 2012 Discontinued Operations [Member] Assets Held-for-sale [Member] Macau [Member]	Jun. 30, 2013 Subsequent Event [Member] Macau [Member]
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]
Consideration given								$ 7,500,000			$ 45,200,000													$ 438,000,000
Percentage of voting interests sold																						45.00%
Consideration for partial sale of subsidiary																						139,500,000
Net proceeds from partial sale of subsidiary			50,400,000	0																	50,400,000
Cash deconsolidated																					29,700,000
Dispositions, Equity Received in Acquiring Company																				4.50%
Deferred cash payment on partial sale of subsidiary																					31,900,000
Fair value of earnout payment									54,500,000	58,000,000	5,600,000
Reduction in earnout accrual									(3,500,000)
Acquisition and integration costs	2,200,000	1,100,000	66,400,000	1,200,000						52,400,000
Assets acquired											52,900,000
Liabilities assumed											7,700,000
Gain on sale of discontinued operations						9,300,000
Adjustment to gain on sale of discontinued operations							700,000
Remaining term of land concession																			35 years
Tangible asset impairment charges				174,000,000																			101,000,000
Adjustment to fair value																	0	21,000,000
Write-down of tangible and intangible assets	104,700,000	33,000,000	124,700,000	207,000,000									5,700,000
Exit costs													15,800,000	15,100,000	500,000	200,000
Exit costs paid												1,000,000
Accreted interest expense	284,800,000		284,800,000		233,700,000							500,000
Increase in interest payable			51,800,000	(7,200,000)								200,000
Exit costs accrued												$ 15,500,000