| Document and Entity Information | Apr. 22, 2021 |
| Cover [Abstract] | |
| Entity Information, Former Legal or Registered Name | Caesars Entertainment,Inc. |
| Amendment Flag | true |
| Entity Central Index Key | 0001590895 |
| Document Type | 8-K/A |
| Document Period End Date | Apr. 22, 2021 |
| Entity Registrant Name | Caesars Entertainment, Inc. |
| Entity Incorporation State Country Code | DE |
| Entity File Number | 001-36629 |
| Entity Tax Identification Number | 46-3657681 |
| Entity Address, Address Line One | 100 West Liberty Street |
| Entity Address, Address Line Two | 12th Floor |
| Entity Address, City or Town | Reno |
| Entity Address, State or Province | NV |
| Entity Address, Postal Zip Code | 89501 |
| City Area Code | (775) |
| Local Phone Number | 328-0100 |
| Written Communications | false |
| Soliciting Material | false |
| Pre Commencement Tender Offer | false |
| Pre Commencement Issuer Tender Offer | false |
| Security 12b Title | Common Stock, $0.00001 par value |
| Trading Symbol | CZR |
| Security Exchange Name | NASDAQ |
| Entity Emerging Growth Company | false |
| Amendment Description | Caesars is filing this amendment on Form 8-K/A to amend the Original 8-K to include certain information, including the financial information required by Item 9.01(a) and Item 9.01(b) of Form 8-K, that was not included in the Original 8-K. |
