Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity Accumulated Other Comprehensive Income (Details)

v3.2.0.727
Stockholders' Equity Accumulated Other Comprehensive Income (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Jun. 28, 2015
Jun. 29, 2014
Jun. 28, 2015
Jun. 29, 2014
Unrealized Gain (Loss) on Interest Rate Cash Flow Hedges, Pretax, Accumulated Other Comprehensive Income (Loss) $ 56      
Description of Recognition of Interest Rate Cash Flow Hedge Gain (Loss) recognized over the 10- and 30-year lives of the underlying notes associated with the U.S. Treasury rate locks      
Investment income, net $ 163 $ 422 $ 600 $ 968
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]        
Beginning balance total accumulated other comprehensive income     634  
Ending balance total accumulated other comprehensive income 503   503  
Foreign Currency Translation Adjustment [Member]        
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]        
Beginning balance total accumulated other comprehensive income     (113)  
Other comprehensive (loss) income before reclassifications     (25)  
Reclassifications from accumulated other comprehensive income     0  
Other comprehensive (loss) income     (25)  
Ending balance total accumulated other comprehensive income (138)   (138)  
Noncredit Other-than-Temporary Impairment Losses and Subsequent Changes in Fair Value for Certain Available-for-Sale Debt Securities [Member]        
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]        
Beginning balance total accumulated other comprehensive income     24  
Other comprehensive (loss) income before reclassifications     (12)  
Reclassifications from accumulated other comprehensive income     6  
Other comprehensive (loss) income     (6)  
Ending balance total accumulated other comprehensive income 18   18  
Net Unrealized Gain (Loss) on Other Available-for-Sale Securities [Member]        
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]        
Beginning balance total accumulated other comprehensive income     723  
Other comprehensive (loss) income before reclassifications     14  
Reclassifications from accumulated other comprehensive income     (172)  
Other comprehensive (loss) income     (158)  
Ending balance total accumulated other comprehensive income 565   565  
Net Unrealized Gain (Loss) on Derivative Instruments [Member]        
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]        
Beginning balance total accumulated other comprehensive income     0  
Other comprehensive (loss) income before reclassifications     58  
Reclassifications from accumulated other comprehensive income     0  
Other comprehensive (loss) income     58  
Ending balance total accumulated other comprehensive income 58   58  
Total Accumulated Other Comprehensive Income Attributable to Qualcomm [Member]        
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]        
Beginning balance total accumulated other comprehensive income     634  
Other comprehensive (loss) income before reclassifications     35  
Reclassifications from accumulated other comprehensive income     (166)  
Other comprehensive (loss) income     (131)  
Ending balance total accumulated other comprehensive income 503   503  
Reclassification out of Accumulated Other Comprehensive Income [Member]        
Investment income, net $ 48 163 $ 166 287
Revenues Costs And Expenses   $ 7   $ 20