Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2021	Mar. 31, 2020
Valuation Allowance [Line Items]
Effective tax rates	(50.00%)	(3.00%)
Goodwill impairment	$ 0	$ 54
U.K. Gaming
Valuation Allowance [Line Items]
Goodwill impairment	$ 54

Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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