Noncontrolling Interests - Narrative (Details)		9 Months Ended
	Jun. 07, 2022 vote shares	Jun. 25, 2022
Noncontrolling Interest [Line Items]
Issuance (in shares)	528,441,744
Conversion period		7 years
Symbotic, Inc.
Noncontrolling Interest [Line Items]
Ownership percentage	100.00%	100.00%
Common Voting Shares, Class V-1
Noncontrolling Interest [Line Items]
Issuance (in shares)	60,844,573
Number of votes per common share | vote	1
Common Voting Shares, Class V-3
Noncontrolling Interest [Line Items]
Issuance (in shares)	416,933,025
Number of votes per common share | vote	3
Common Voting Shares, Class V-1 and V-3
Noncontrolling Interest [Line Items]
Issuance (in shares)	477,777,598
Common Voting Shares, Class V-1 and V-3 | Symbotic, Inc.
Noncontrolling Interest [Line Items]
Ownership percentage	90.40%	90.40%