Annual report pursuant to Section 13 and 15(d)

Acquisitions Business Acquisition Pro Forma (Details)

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Acquisitions Business Acquisition Pro Forma (Details) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Sep. 25, 2011
Sep. 26, 2010
Business Acquisition [Line Items]    
Revenues $ 15,583 $ 11,867
Net income attributable to Qualcomm $ 4,304 $ 3,013