Composition of Certain Financial Statement Items Other Costs and Expenses (Details) ¥ in Millions, $ in Millions	12 Months Ended
	Sep. 27, 2015 CNY (¥)	Sep. 27, 2015 USD ($)		Sep. 28, 2014 USD ($)		Sep. 29, 2013 USD ($)
Resolution of governmental investigation, Amount | ¥	¥ 6,088
Goodwill impairment charge		$ 260		$ 116
Restructuring-related costs		20
Goodwill		5,479	[1]	4,488	[1]	$ 3,976
Property, plant and equipment, net		2,534		2,487
QMT [Member]
Goodwill				35
Property, plant and equipment, net				148
Property, plant and equipment classified as held for sale				116
Nonreportable Segments [Member]
Goodwill impairment charge		260		116
Goodwill		300	[1]	309	[1]	395
Other Operating Income (Expense) [Member]
Resolution of governmental investigation, Amount		975
Goodwill impairment charge		255
Gain on sales of certain property, plant and equipment		$ 138
Restructuring-related costs				19
Litigation Settlement, Expense				15
ParkerVision verdict amount						173
Loss Contingency, Damages Awarded Over-turned, Value				173
Other Operating Income (Expense) [Member] | QMT [Member]
Goodwill impairment charge				100
Property, plant and equipment impairment charges				507
Other Operating Income (Expense) [Member] | QRS [Member]
Goodwill impairment charge				$ 16
Other Operating Income (Expense) [Member] | Nonreportable Segments [Member]
Property, plant and equipment impairment charges						$ 158

[1] Cumulative goodwill impairments were $520 million and $260 million at September 27, 2015 and September 28, 2014