Supplemental Balance Sheet Information (Property, Plant And Equipment, net) (Details) - USD ($) $ in Millions	Jan. 01, 2023	Oct. 02, 2022
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 16,058.6	$ 15,609.8
Accumulated depreciation	(9,359.1)	(9,049.3)
Property, plant and equipment, net	6,699.5	6,560.5
Land [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	46.1	46.1
Buildings [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	566.6	555.4
Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	9,368.6	9,066.8
Store Equipment [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	3,086.6	3,018.2
Roasting Equipment [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	809.3	838.5
Furniture, Fixtures and Other [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	1,578.4	1,526.1
Work in Progress [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 603.0	$ 558.7

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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