Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity Changes in Stockholders' Equity (Details)

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Stockholders' Equity Changes in Stockholders' Equity (Details) (USD $)
In Millions, unless otherwise specified
 3 Months Ended 9 Months Ended
Jun. 29, 2014
Mar. 30, 2014
Dec. 29, 2013
Jun. 30, 2013
Mar. 31, 2013
Dec. 30, 2012
Jun. 29, 2014
Jun. 30, 2013
Balance at beginning of period attributable to Qualcomm     $ 36,088       $ 36,088  
Balance at beginning of period attributable to noncontrolling interests     (1)       (1)  
Balance at beginning of period total stockholders' equity     36,087       36,087  
Net income attributable to Qualcomm 2,238     1,580     6,073 5,352
Net loss attributable to noncontrolling interests (1)     (2)     (3) (8)
Net income 2,237     1,578     6,070 5,344
Other comprehensive income 15     (324)     72 (169)
Common stock issued under employee benefit plans and related tax benefits, net of shares withheld for taxes             987  
Share-based compensation             838  
Dividends 718 599 599 615 439 435 1,916 1,489
Stock repurchases             (3,354)  
Other             3  
Balance at end of period attributable to Qualcomm 38,789           38,789  
Balance at end of period attributable to noncontrolling interests (2)           (2)  
Balance at end of period total stockholders' equity 38,787           38,787  
Qualcomm Stockholders' Equity [Member]
                
Balance at beginning of period attributable to Qualcomm     36,088       36,088  
Net income attributable to Qualcomm             6,073  
Other comprehensive income attributable to Qualcomm             72  
Common stock issued under employee benefit plans and related tax benefits, net of shares withheld for taxes             987  
Share-based compensation             838  
Dividends             1,916  
Stock repurchases             (3,354)  
Other             1  
Balance at end of period attributable to Qualcomm 38,789           38,789  
Noncontrolling Interests [Member]
                
Balance at beginning of period attributable to noncontrolling interests     (1)       (1)  
Net loss attributable to noncontrolling interests             (3)  
Other comprehensive loss attributable to noncontrolling Interests             0  
Common stock issued under employee benefit plans and related tax benefits, net of shares withheld for taxes             0  
Share-based compensation             0  
Dividends             0  
Stock repurchases             0  
Other             2  
Balance at end of period attributable to noncontrolling interests $ (2)           $ (2)