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
Dec. 25, 2016
Dec. 27, 2015
Increase (Decrease) in Stockholders' Equity [Roll Forward]    
Balance at beginning of the period $ 31,768  
Net income attributable to Qualcomm 682 $ 1,498
Net Loss attributable to noncontrolling interests (1) (2)
Net income 681 1,496
Other comprehensive income (loss) (242) (126)
Common stock issued under employee benefit plans and related tax benefits 161  
Share-based compensation 255  
Tax withholdings related to vesting of share-based payments (172)  
Dividends (801) (730)
Stock repurchases (444) $ (2,050)
Other 0  
Balance at end of the period 31,206  
Parent [Member]    
Increase (Decrease) in Stockholders' Equity [Roll Forward]    
Balance at beginning of the period 31,778  
Net income attributable to Qualcomm 682  
Other comprehensive loss attributable to Qualcomm (242)  
Common stock issued under employee benefit plans and related tax benefits 161  
Share-based compensation 255  
Tax withholdings related to vesting of share-based payments (172)  
Dividends (801)  
Stock repurchases (444)  
Other (2)  
Balance at end of the period 31,215  
Noncontrolling Interests [Member]    
Increase (Decrease) in Stockholders' Equity [Roll Forward]    
Balance at beginning of the period (10)  
Net Loss attributable to noncontrolling interests (1)  
Other 2  
Balance at end of the period $ (9)