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
 3 Months Ended 9 Months Ended
Jun. 26, 2016
Mar. 27, 2016
Dec. 27, 2015
Jun. 28, 2015
Mar. 29, 2015
Dec. 28, 2014
Jun. 26, 2016
Jun. 28, 2015
Increase (Decrease) in Stockholders' Equity [Roll Forward]                
Balance at beginning of the period     $ 31,414       $ 31,414  
Net Income attributable to Qualcomm $ 1,444     $ 1,184     4,106 $ 4,209
Net Loss attributable to noncontrolling interests (1)     (1)     (3) (2)
Net income 1,443     1,183     4,103 4,207
Other comprehensive income (loss) 184     31     149 (131)
Common stock issued under employee benefit plans and related tax benefits             364  
Share-based compensation             771  
Tax withholdings related to vesting of share-based payments             (216)  
Dividends (794) $ (726) (730) $ (771) $ (702) $ (710) (2,250) $ (2,183)
Stock repurchases             (3,699)  
Other             2  
Balance at end of the period 30,638           30,638  
Parent [Member]                
Increase (Decrease) in Stockholders' Equity [Roll Forward]                
Balance at beginning of the period     31,421       31,421  
Net Income attributable to Qualcomm             4,106  
Other comprehensive loss attributable to Qualcomm             149  
Common stock issued under employee benefit plans and related tax benefits             364  
Share-based compensation             771  
Tax withholdings related to vesting of share-based payments             (216)  
Dividends             (2,250)  
Stock repurchases             (3,699)  
Other             1  
Balance at end of the period 30,647           30,647  
Noncontrolling Interest [Member]                
Increase (Decrease) in Stockholders' Equity [Roll Forward]                
Balance at beginning of the period     $ (7)       (7)  
Net Loss attributable to noncontrolling interests             (3)  
Other             1  
Balance at end of the period $ (9)           $ (9)