| Document and Entity Information | Nov. 18, 2024 |
| Cover [Abstract] | |
| Amendment Flag | true |
| Entity Central Index Key | 0001837240 |
| Document Type | 8-K/A |
| Document Period End Date | Nov. 18, 2024 |
| Entity Registrant Name | SYMBOTIC INC. |
| Entity Incorporation State Country Code | DE |
| Entity File Number | 001-40175 |
| Entity Tax Identification Number | 98-1572401 |
| Entity Address, Address Line One | 200 Research Drive |
| Entity Address, City or Town | Wilmington |
| Entity Address, State or Province | MA |
| Entity Address, Postal Zip Code | 01887 |
| City Area Code | (987) |
| Local Phone Number | 284-2800 |
| Written Communications | false |
| Entity Emerging Growth Company | false |
| Soliciting Material | false |
| Pre Commencement Tender Offer | false |
| Pre Commencement Issuer Tender Offer | false |
| Security 12b Title | Class A common stock, par value $0.0001 per share |
| Trading Symbol | SYM |
| Security Exchange Name | NASDAQ |
| Amendment Description | On November 18, 2024, Symbotic Inc. (the “Company”) issued a press release announcing its financial results and other information for the fiscal quarter and year ended September 28, 2024 and posted on its investor relations website a supplemental presentation relating to its previously issued fiscal 2024 quarterly financial statements (collectively, the “Fourth Quarter 2024 Earnings Release”). Copies of the press release and the supplemental presentation were furnished as Exhibits 99.1 and 99.2 to the Company’s Current Report on Form 8-K dated November 18, 2024 (the “Original Form 8-K”). This Amendment No. 1 on Form 8-K/A (this “Amendment”) amends Item 2.02 and Item 4.02 of the Original 8-K in connection with an accounting error described further below. |
