Fair Value Measurements - Assets Measured at Fair Value on a Non-Recurring Basis (Details) - USD ($)	3 Months Ended	12 Months Ended
	Mar. 31, 2020	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Property and equipment, fair value disclosure			$ 0
Property and equipment - total reduction in fair value recorded		$ 0	(7,300,000)
Goodwill, fair value	$ 160,500,000
Goodwill - total reduction in fair value recorded	(113,000,000)	$ 0	(113,000,000.0)	$ (88,000,000)
Gaming licenses
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Indefinite-lived intangible assets, fair value	568,000,000.0
Indefinite-lived intangible assets - total reduction in fair value recorded			(437,000,000.0)
Trademarks
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Indefinite-lived intangible assets, fair value	216,500,000
Indefinite-lived intangible assets - total reduction in fair value recorded			(61,500,000)
Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Property and equipment, fair value disclosure			0
Goodwill, fair value	0
Level 1 | Gaming licenses
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Indefinite-lived intangible assets, fair value	0
Level 1 | Trademarks
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Indefinite-lived intangible assets, fair value	0
Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Property and equipment, fair value disclosure			0
Goodwill, fair value	0
Level 2 | Gaming licenses
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Indefinite-lived intangible assets, fair value	0
Level 2 | Trademarks
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Indefinite-lived intangible assets, fair value	0
Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Property and equipment, fair value disclosure			$ 0
Goodwill, fair value	160,500,000
Level 3 | Gaming licenses
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Indefinite-lived intangible assets, fair value	568,000,000.0
Level 3 | Trademarks
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Indefinite-lived intangible assets, fair value	$ 216,500,000