Supplemental Statement of Earnings Information (Store Operating Expenses) (Details) - USD ($) $ in Millions	12 Months Ended
	Oct. 03, 2021	Sep. 27, 2020	Sep. 29, 2019
Store Operating Expense [Line Items]
Labor and Related Expense	$ 6,989.3	$ 6,131.9	$ 5,941.7
Store Occupancy Cost	2,561.5	2,388.0	2,411.2
Other Store Operating Expenses	2,380.1	2,244.1	2,140.7
Store operating expenses	$ 11,930.9	$ 10,764.0	$ 10,493.6