Property, Plant and Equipment (Detail) (USD $) In Millions, unless otherwise specified	Dec. 28, 2013	Sep. 28, 2013
Property, Plant and Equipment [Line Items]
Gross property, plant and equipment	$ 29,288	$ 28,519
Accumulated depreciation and amortization	(13,800)	(11,922)
Net property, plant and equipment	15,488	16,597
Land and Building
Property, Plant and Equipment [Line Items]
Gross property, plant and equipment	3,625	3,309
Machinery, Equipment and Internal Use Software
Property, Plant and Equipment [Line Items]
Gross property, plant and equipment	21,537	21,242
Leasehold Improvements
Property, Plant and Equipment [Line Items]
Gross property, plant and equipment	$ 4,126	$ 3,968