Litigation, Contractual Commitments and Contingent Liabilities - Additional Information (Details) - USD ($) shares in Millions, $ in Millions			12 Months Ended
	Jun. 07, 2019	Oct. 06, 2017	Dec. 31, 2019	Dec. 31, 2018
Other Commitments [Line Items]
Second year, lease liability			$ 106.0
Contractual obligation			37,239.0
Minimum guarantee			1.0
Accrued expenses and other current liabilities			1,323.0	$ 1,217.0
Operating lease payments due			1,269.0
First year, lease liability			105.0
Amount of claims filed			437.0
Accrued liabilities			51.0	45.0
Third year, lease liability			100.0
Fifth year, lease liability			63.0
Fourth year, lease liability			58.0
Convertible Debt
Other Commitments [Line Items]
Restricted cash and cash equivalents			$ 48.0
Capital shares reserved for future issuance (in shares)			8
CEC Convertible Notes
Other Commitments [Line Items]
Disputed claims liability			$ 32.0
Golf Courses | VICI Properties, Inc.
Other Commitments [Line Items]
Purchase commitment period		35 years
Annual principal payment		$ 10.0
Annual use fee		$ 3.0
Deferred credits and other liabilities			145.0
Common Parking Area Use Agreement
Other Commitments [Line Items]
Second year, lease liability			5.0
Operating lease payments due			3.0
First year, lease liability			5.0
Third year, lease liability			5.0
Fifth year, lease liability			5.0
Fourth year, lease liability			$ 5.0
Contract Termination
Other Commitments [Line Items]
Exercisable, weighted average remaining contractual term			2 years
Accelerated cost			$ 32.0
Amount capitalized			13.0	$ 19.0
Accrued expenses and other current liabilities			5.0
VSP Program
Other Commitments [Line Items]
Severance costs			17.0
Accrued expenses and other current liabilities			4.0
Harrah's New Orleans
Other Commitments [Line Items]
Contract extension for casino operating contract	30 years
Sports Partnership
Other Commitments [Line Items]
Contractual obligation			246.0
Unfavorable Regulatory Action
Other Commitments [Line Items]
Accrued liabilities			$ 17.0
Capital Investment | Harrah's New Orleans
Other Commitments [Line Items]
Contractual obligation	$ 325.0
Payment to City of New Orleans and State of Louisiana | Harrah's New Orleans
Other Commitments [Line Items]
Contractual obligation	25.0
City of New Orleans and State of Louisiana - Other Payment | Harrah's New Orleans
Other Commitments [Line Items]
Contractual obligation	40.0
Annual Payment to the Louisiana Gaming Control Board | Harrah's New Orleans
Other Commitments [Line Items]
Contractual obligation	3.4
Annual License Payment to the Louisiana Gaming Control Board | Harrah's New Orleans
Other Commitments [Line Items]
Contractual obligation	3.0
Annual payments to the City of New Orleans | Harrah's New Orleans
Other Commitments [Line Items]
Contractual obligation	6.0
Minimum Payments to Louisiana Gaming Control Board | Harrah's New Orleans
Other Commitments [Line Items]
Contractual obligation	60.0
Minimum Payments to Louisiana Gaming Control Board Starting 2022 | Harrah's New Orleans
Other Commitments [Line Items]
Contractual obligation	$ 65.0