Annual report pursuant to Section 13 and 15(d)

Segment Information (Details)

v2.4.0.8
Segment Information (Details) (USD $)
In Millions, unless otherwise specified
 12 Months Ended
Sep. 28, 2014
Sep. 29, 2013
Sep. 30, 2012
Revenues, EBT and Total Assets for Reportable Segments [Line items]      
Segment Reporting, Factors Used to Identify Entity's Reportable Segments The Company is organized on the basis of products and services. The Company aggregates two of its divisions into the QSI segment    
Interest Expense $ 5 $ 23 $ 90
Investments in equity method investees included in QSI's assets 18 17 11
QMT goodwill and other assets included in reconciling items 48,574 45,516 43,012
Long-lived asset and goodwill impairment charges 642 192 84
QCT [Member]
      
Revenues, EBT and Total Assets for Reportable Segments [Line items]      
Investment Income, Interest 0 0 0
Interest Expense 0 0 0
QMT goodwill and other assets included in reconciling items 3,639 3,305 2,278
RevenuesFromTransactionsWithOtherOperatingSegmentsOfTheSameEntity 0 0 0
QTL [Member]
      
Revenues, EBT and Total Assets for Reportable Segments [Line items]      
Investment Income, Interest 0 0 0
Interest Expense 0 0 0
QMT goodwill and other assets included in reconciling items 161 28 63
QSI [Member]
      
Revenues, EBT and Total Assets for Reportable Segments [Line items]      
Investment Income, Interest 0 0 19
Interest Expense 0 18 79
QMT goodwill and other assets included in reconciling items 484 511 1,424
QMT [Member]
      
Revenues, EBT and Total Assets for Reportable Segments [Line items]      
QMT goodwill and other assets included in reconciling items 313 892 1,200
Long-lived asset and goodwill impairment charges 607 158 54
Outside of United States
      
Revenues, EBT and Total Assets for Reportable Segments [Line items]      
Net book values of long-lived assets 288 896 1,100
United States
      
Revenues, EBT and Total Assets for Reportable Segments [Line items]      
Net book values of long-lived assets $ 2,200 $ 2,100 $ 1,800