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Income Taxes - Additional Information (Details) - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Income Tax Examination [Line Items]
Deferred tax liabilities, net	$ 1,263,000,000	$ 1,166,000,000
Unrecognized tax benefits	157,000,000	137,000,000	$ 0	$ 0
Unrecognized tax benefits, interest and penalties accrued	2,000,000	2,000,000	$ 0
Unrecognized tax benefits that would impact effective tax rate	117,000,000	123,000,000
Discontinued Operations
Income Tax Examination [Line Items]
Unrecognized tax benefits	21,000,000
Liabilities related to assets held for sale
Income Tax Examination [Line Items]
Deferred tax liabilities, net	159,000,000	1,000,000
Caesars Entertainment Corporation
Income Tax Examination [Line Items]
Deferred tax liabilities, net	767,000,000
Unrecognized tax benefits	24,000,000
Unrecognized tax benefits, interest and penalties accrued		$ 137,000,000
William Hill
Income Tax Examination [Line Items]
Deferred tax liabilities, net	377,000,000
Unrecognized tax benefits	34,000,000
Unrecognized tax benefits, interest and penalties accrued	20,000,000
William Hill | Liabilities related to assets held for sale
Income Tax Examination [Line Items]
Deferred tax liabilities, net	132,000,000
Unrecognized tax benefits	34,000,000
Federal
Income Tax Examination [Line Items]
Net operating loss carryforwards	2,400,000,000
Net operating loss carryforwards, not subject to expiration	450,000,000
Tax credit carryforward, amount	116,000,000
State
Income Tax Examination [Line Items]
Net operating loss carryforwards	9,400,000,000
Net operating loss carryforwards, not subject to expiration	2,200,000,000
Foreign
Income Tax Examination [Line Items]
Net operating loss carryforwards	60,000,000
Net operating loss carryforwards, not subject to expiration	58,000,000
Net operating loss carryforwards, subject to expiration	$ 2,000,000

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