Description of Business Description of Business - Additional Information (Details) $ / shares in Units, $ in Millions		3 Months Ended	6 Months Ended
		Jun. 30, 2019 USD ($) Casinos	Jun. 30, 2019 USD ($) Casinos	Jun. 24, 2019 USD ($) $ / shares shares
Number Of Casinos Operated Or Managed | Casinos		54	54
Merger Agreement Termination Fee Paid by Caesars				$ 50.0
Payments for Capital Improvements	[1]	$ 11,364.0	$ 11,364.0
UNITED STATES
Number Of Casinos Operated Or Managed | Casinos		50	50
Geographic Concentration Risk [Member] | UNITED STATES
Number Of Casinos Operated Or Managed | Casinos		14	14
Geographic Concentration Risk [Member] | UNITED STATES | NEVADA
Number Of Casinos Operated Or Managed | Casinos		9	9
Geographic Concentration Risk [Member] | UNITED STATES | NEVADA | Revenue Benchmark [Member]
Concentration Risk, Percentage		45.00%	45.00%
Geographic Concentration Risk [Member] | International [Member]
Number Of Casinos Operated Or Managed | Casinos		5	5
Eldorado Resorts, Inc. Stockholders [Member]
Disposal Group Proposed Merger Post Merger Ownership Percentage				51.00%
Caesars Entertainment Corporation Stockholders [Member]
Disposal Group Proposed Merger Post Merger Ownership Percentage				49.00%
Caesars Entertainment, Inc. [Member]
Merger Agreement Termination Fee Paid by Caesars				$ 418.4
Eldorado Resorts, Inc. [Member]
Merger Agreement Termination Fee Paid by Caesars				154.9
Merger Agreement Termination Fee				836.8
Capital Investment [Member]
Payments for Capital Improvements				325.0
Up-front payments to the City [Member]
Payments for Capital Improvements				25.0
Additional one time payments to the city [Member]
Payments for Capital Improvements				40.0
Gaming Control Board Health research annual payment [Member]
Payments for Capital Improvements				3.4
Gaming Control Board annual license payment [Member]
Payments for Capital Improvements				3.0
Annual payments to the City [Member]
Payments for Capital Improvements				6.0
Minimum annual state gaming tax payments thru April 2022 [Member]
Payments for Capital Improvements				60.0
Minimum annual state gaming tax payments after April 2022 [Member]
Payments for Capital Improvements				$ 65.0
Cash per share [Member]
Disposal Group Proposed Merger Agreement Stock Conversion Price Cash Per Share | $ / shares				$ 8.40
Additional potential cash per share [Member]
Disposal Group Proposed Merger Agreement Stock Conversion Price Cash Per Share | $ / shares				$ 0.003333
Acquiror stock per share [Member]
Disposal Group Proposed Merger Agreement Stock Conversion Price | shares				0.0899

[1] ⁽¹⁾  Debt principal payments are estimated amounts based on maturity dates and borrowings under our revolving credit facilities, if any. Interest payments are estimated based on the forward-looking LIBOR curve and include the estimated impact of the ten interest rate swap agreements (see Note 6). Actual payments may differ from these estimates.