Supplemental Balance Sheet Information (Property, Plant And Equipment, net) (Details) (USD $) In Millions, unless otherwise specified	Jun. 29, 2014	Sep. 29, 2013
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 8,370.1	$ 7,782.1
Accumulated depreciation	(4,996.4)	(4,581.6)
Property, plant and equipment, net	3,373.7	3,200.5
Land [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	46.9	47.0
Buildings [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	278.2	259.6
Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	4,744.2	4,431.6
Store Equipment [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	1,456.7	1,353.9
Roasting Equipment [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	408.4	397.9
Furniture, Fixtures and Other [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	1,045.9	949.7
Work in Progress [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 389.8	$ 342.4