| Document and Entity Information | Jun. 14, 2023 |
| Cover [Abstract] | |
| Amendment Flag | false |
| Entity Central Index Key | 0001437107 |
| Document Type | 8-K |
| Document Period End Date | Jun. 14, 2023 |
| Entity Registrant Name | Warner Bros. Discovery, Inc. |
| Entity File Number | 001-34177 |
| Entity Incorporation State Country Code | DE |
| Entity Tax Identification Number | 35-2333914 |
| Entity Address, Address Line One | 230 Park Avenue South |
| Entity Address, City or Town | New York |
| Entity Address, State or Province | NY |
| Entity Address, Postal Zip Code | 10003 |
| City Area Code | 212 |
| Local Phone Number | 548-5555 |
| Written Communications | false |
| Soliciting Material | false |
| Pre Commencement Tender Offer | false |
| Pre Commencement Issuer Tender Offer | false |
| Security 12b Title | Series A Common Stock |
| Trading Symbol | WBD |
| Security Exchange Name | NASDAQ |
| Entity Emerging Growth Company | false |
