Revenue Recognition - Schedule of Activity Related to Contract and Contract-Related Liabilities (Details) - USD ($) $ in Millions |
9 Months Ended | |
|---|---|---|
Sep. 30, 2026 |
Sep. 30, 2025 |
|
| Outstanding Chip Liability | ||
| Contract with Customer, Liability, Current [Roll Forward] | ||
| Contract and contract-related liabilities, beginning balance | $ 39 | $ 47 |
| Contract and contract-related liabilities, ending balance | 39 | 33 |
| Increase / (decrease) | 0 | (14) |
| Caesars Rewards | ||
| Contract with Customer, Liability, Current [Roll Forward] | ||
| Contract and contract-related liabilities, beginning balance | 89 | 79 |
| Contract and contract-related liabilities, ending balance | 97 | 92 |
| Increase / (decrease) | 8 | 13 |
| Customer Deposits and Other Deferred Revenue | ||
| Contract with Customer, Liability, Current [Roll Forward] | ||
| Contract and contract-related liabilities, beginning balance | 492 | 549 |
| Contract and contract-related liabilities, ending balance | 449 | 509 |
| Increase / (decrease) | $ (43) | $ (40) |