| Document and Entity Information | Oct. 30, 2019 |
| Document And Entity Information [Abstract] | |
| Document Type | 8-K |
| Document Period End Date | Oct. 30, 2019 |
| Entity Registrant Name | Starbucks Corporation |
| Entity Address, Address Line One | 2401 Utah Avenue South |
| Entity Address, City or Town | Seattle |
| Entity Address, State or Province | WA |
| Entity Address, Postal Zip Code | 98134 |
| City Area Code | 206 |
| Local Phone Number | 447-1575 |
| Entity Incorporation, State or Country Code | WA |
| Entity File Number | 0-20322 |
| Entity Tax Identification Number | 91-1325671 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Common Stock, par value $0.001 per share |
| Trading Symbol | SBUX |
| Security Exchange Name | NASDAQ |
| Entity Emerging Growth Company | false |
| Amendment Flag | false |
| Entity Central Index Key | 0000829224 |
