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Fair Value Measurements - Schedule of Assets Measured at Fair Value on a Recurring Basis (Details) - USD ($) $ in Millions | Dec. 31, 2021 | Dec. 31, 2020 | Oct. 06, 2017
--- | --- | --- | ---
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Interest rate (as a percent) | 4.30% |  |
Former Caesars 5% Convertible Notes | Senior Notes |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Interest rate (as a percent) | 5.00% | 5.00% | 5.00%
Fair Value Recurring Basis |  |  |
Assets: |  |  |
Restricted cash and investments | $ 2 | $ 48 |
Marketable securities | 78 | 33 |
Total assets at fair value | 81 | 121 |
Liabilities: |  |  |
Total liabilities at fair value | 44 | 416 |
Fair Value Recurring Basis | Interest Rate Swap |  |  |
Liabilities: |  |  |
Derivative Liability | 28 |  |
Derivative instruments |  | 90 |
Fair Value Recurring Basis | Foreign Exchange Contract |  |  |
Assets: |  |  |
Derivative instruments - FX forward | 1 | 40 |
Liabilities: |  |  |
Derivative Liability | 16 |  |
Fair Value Recurring Basis | 5% Convertible notes |  |  |
Liabilities: |  |  |
Derivative instruments |  | 326 |
Fair Value Recurring Basis | Level 1 |  |  |
Assets: |  |  |
Restricted cash and investments | 1 | 1 |
Marketable securities | 69 | 23 |
Total assets at fair value | 70 | 24 |
Liabilities: |  |  |
Total liabilities at fair value | 0 | 0 |
Fair Value Recurring Basis | Level 1 | Interest Rate Swap |  |  |
Liabilities: |  |  |
Derivative Liability | 0 |  |
Derivative instruments |  | 0 |
Fair Value Recurring Basis | Level 1 | Foreign Exchange Contract |  |  |
Assets: |  |  |
Derivative instruments - FX forward | 0 | 0 |
Liabilities: |  |  |
Derivative Liability | 0 |  |
Fair Value Recurring Basis | Level 1 | 5% Convertible notes |  |  |
Liabilities: |  |  |
Derivative instruments |  | 0 |
Fair Value Recurring Basis | Level 2 |  |  |
Assets: |  |  |
Restricted cash and investments | 1 | 3 |
Marketable securities | 9 | 10 |
Total assets at fair value | 11 | 53 |
Liabilities: |  |  |
Total liabilities at fair value | 44 | 416 |
Fair Value Recurring Basis | Level 2 | Interest Rate Swap |  |  |
Liabilities: |  |  |
Derivative Liability | 28 |  |
Derivative instruments |  | 90 |
Fair Value Recurring Basis | Level 2 | Foreign Exchange Contract |  |  |
Assets: |  |  |
Derivative instruments - FX forward | 1 | 40 |
Liabilities: |  |  |
Derivative Liability | 16 |  |
Fair Value Recurring Basis | Level 2 | 5% Convertible notes |  |  |
Liabilities: |  |  |
Derivative instruments |  | 326 |
Fair Value Recurring Basis | Level 3 |  |  |
Assets: |  |  |
Restricted cash and investments | 0 | 44 |
Marketable securities | 0 | 0 |
Total assets at fair value | 0 | 44 |
Liabilities: |  |  |
Total liabilities at fair value | 0 | 0 |
Fair Value Recurring Basis | Level 3 | Interest Rate Swap |  |  |
Liabilities: |  |  |
Derivative Liability | 0 |  |
Derivative instruments |  | 0 |
Fair Value Recurring Basis | Level 3 | Foreign Exchange Contract |  |  |
Assets: |  |  |
Derivative instruments - FX forward | 0 | 0 |
Liabilities: |  |  |
Derivative Liability | $ 0 |  |
Fair Value Recurring Basis | Level 3 | 5% Convertible notes |  |  |
Liabilities: |  |  |
Derivative instruments |  | $ 0 |

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