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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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