| Document Cover Document | Dec. 16, 2020 |
| Entity Information [Line Items] | |
| Document Type | 8-K |
| Document Period End Date | Dec. 16, 2020 |
| Entity Registrant Name | BRINKER INTERNATIONAL, INC. |
| Entity Incorporation, State or Country Code | DE |
| Entity File Number | 1-10275 |
| Entity Tax Identification Number | 75-1914582 |
| Entity Address, Address Line One | 3000 Olympus Blvd |
| Entity Address, City or Town | Dallas |
| Entity Address, State or Province | TX |
| Entity Address, Postal Zip Code | 75019 |
| City Area Code | (972) |
| Local Phone Number | 980-9917 |
| Title of 12(b) Security | Common Stock, $0.10 par value |
| Trading Symbol | EAT |
| Security Exchange Name | NYSE |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Entity Emerging Growth Company | false |
| Entity Central Index Key | 0000703351 |
| Amendment Flag | false |
