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. 30, 2013
Mar. 31, 2013
Dec. 30, 2012
Jun. 24, 2012
Mar. 25, 2012
Dec. 25, 2011
Jun. 30, 2013
Jun. 24, 2012
Balance at beginning of period     $ 33,545       $ 33,545  
Net income (loss) 1,578     1,203     5,344 4,797
Other comprehensive (loss) income (324)     (193)     (169) 262
Common stock issued under employee benefit plans and the related tax benefits, net of shares withheld for taxes             790  
Share-based compensation             857  
Dividends (615) (439) (435) (429) (377) (368) (1,489) (1,174)
Stock repurchases             (1,289)  
Issuance of subsidiary shares to noncontrolling interest             11  
Deconsolidation of subsidiaries             (17)  
Other             0  
Balance at end of period 37,583           37,583  
Qualcomm Stockholders' Equity [Member]
                
Balance at beginning of period     33,523       33,523  
Net income (loss)             5,352  
Other comprehensive (loss) income             (168)  
Common stock issued under employee benefit plans and the related tax benefits, net of shares withheld for taxes             790  
Share-based compensation             857  
Dividends             (1,489)  
Stock repurchases             (1,289)  
Issuance of subsidiary shares to noncontrolling interest             5  
Deconsolidation of subsidiaries             0  
Other             (3)  
Balance at end of period 37,578           37,578  
Noncontrolling Interests [Member]
                
Balance at beginning of period     22       22  
Net income (loss)             (8)  
Other comprehensive (loss) income             (1)  
Common stock issued under employee benefit plans and the related tax benefits, net of shares withheld for taxes             0  
Share-based compensation             0  
Dividends             0  
Stock repurchases             0  
Issuance of subsidiary shares to noncontrolling interest             6  
Deconsolidation of subsidiaries             (17)  
Other             3  
Balance at end of period $ 5           $ 5