v3.26.1
Supplemental Balance Sheet Information (Property, Plant And Equipment, net) (Details) - USD ($)
$ in Millions
Jun. 28, 2026
Sep. 28, 2025
Property, Plant, and Equipment [Line Items]    
Property, plant and equipment, gross $ 17,649.0 $ 19,842.7
Accumulated depreciation (10,657.2) (11,349.2)
Property, plant and equipment, net 6,991.8 8,493.5
Land [Member]    
Property, Plant, and Equipment [Line Items]    
Property, plant and equipment, gross 59.6 54.9
Buildings [Member]    
Property, Plant, and Equipment [Line Items]    
Property, plant and equipment, gross 666.5 673.7
Leasehold Improvements [Member]    
Property, Plant, and Equipment [Line Items]    
Property, plant and equipment, gross 10,420.5 11,762.4
Store Equipment [Member]    
Property, Plant, and Equipment [Line Items]    
Property, plant and equipment, gross 3,435.7 3,963.6
Roasting Equipment [Member]    
Property, Plant, and Equipment [Line Items]    
Property, plant and equipment, gross 971.3 982.2
Software, In-Development, Internally Developed, and Purchased    
Property, Plant, and Equipment [Line Items]    
Property, plant and equipment, gross 1,038.7 1,177.7
Furniture, Fixtures and Other [Member]    
Property, Plant, and Equipment [Line Items]    
Property, plant and equipment, gross 730.6 893.9
Work in Progress [Member]    
Property, Plant, and Equipment [Line Items]    
Property, plant and equipment, gross $ 326.1 $ 334.3