Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity Accumulated Other Comprehensive Income (Details)

v2.4.0.8
Stockholders' Equity Accumulated Other Comprehensive Income (Details) (USD $)
In Millions, unless otherwise specified
 3 Months Ended 9 Months Ended
Jun. 29, 2014
Jun. 30, 2013
Jun. 29, 2014
Jun. 30, 2013
Beginning balance total accumulated other comprehensive income     $ 753  
Ending balance total accumulated other comprehensive income 825   825  
Investment income, net 422 233 968 730
Foreign Currency Translation Adjustment [Member]
        
Beginning balance total accumulated other comprehensive income     (115)  
Other comprehensive income before reclassifications     14  
Reclassifications from accumulated other comprehensive income     1  
Other comprehensive income     15  
Ending balance total accumulated other comprehensive income (100)   (100)  
Noncredit Other-than-Temporary Impairment Losses and Subsequent Changes in Fair Value for Certain Available-for-Sale Debt Securities [Member]
        
Beginning balance total accumulated other comprehensive income     25  
Other comprehensive income before reclassifications     1  
Reclassifications from accumulated other comprehensive income     (1)  
Other comprehensive income     0  
Ending balance total accumulated other comprehensive income 25   25  
Net Unrealized Gain (Loss) on Other Available-for-Sale Securities [Member]
        
Beginning balance total accumulated other comprehensive income     825  
Other comprehensive income before reclassifications     356  
Reclassifications from accumulated other comprehensive income     (287)  
Other comprehensive income     69  
Ending balance total accumulated other comprehensive income 894   894  
Net Unrealized Gain (Loss) on Derivative Instruments [Member]
        
Beginning balance total accumulated other comprehensive income     18  
Other comprehensive income before reclassifications     8  
Reclassifications from accumulated other comprehensive income     (20)  
Other comprehensive income     (12)  
Ending balance total accumulated other comprehensive income 6   6  
Net Unrealized Gain (Loss) on Derivative Instruments [Member] | Reclassifications from Accumulated Other Comprehensive Income [Member]
        
Revenues Costs and Expenses 7   20  
Total Accumulated Other Comprehensive Income Attributable to Qualcomm [Member]
        
Beginning balance total accumulated other comprehensive income     753  
Other comprehensive income before reclassifications     379  
Reclassifications from accumulated other comprehensive income     (307)  
Other comprehensive income     72  
Ending balance total accumulated other comprehensive income 825   825  
Net Unrealized Gain (Loss) On Available for Sale Securities And Foreign Currency Translation Adjustment And Noncredit Other-than-Temporary Impairment Losses and Subsequent Changes in Fair Value for Certain Available for Sale Debt Securities | Reclassifications from Accumulated Other Comprehensive Income [Member]
        
Investment income, net $ 163   $ 287