Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity Dividends (Details)

v2.4.1.9
Stockholders' Equity Dividends (Details) (USD $)
In Millions, except Per Share data, unless otherwise specified
3 Months Ended 6 Months Ended 0 Months Ended
Mar. 29, 2015
Dec. 28, 2014
Mar. 30, 2014
Dec. 29, 2013
Mar. 29, 2015
Mar. 30, 2014
Apr. 08, 2015
Mar. 09, 2015
Dividends                
Percentage increase common stock dividend per share announced               14.00%qcom_Percentageincreasecommonstockdividendpershareannounced
Dividends per share announced $ 0.42us-gaap_CommonStockDividendsPerShareDeclared $ 0.42us-gaap_CommonStockDividendsPerShareDeclared $ 0.35us-gaap_CommonStockDividendsPerShareDeclared $ 0.35us-gaap_CommonStockDividendsPerShareDeclared $ 0.84us-gaap_CommonStockDividendsPerShareDeclared $ 0.70us-gaap_CommonStockDividendsPerShareDeclared    
Dividends $ 702us-gaap_Dividends $ 710us-gaap_Dividends $ 599us-gaap_Dividends $ 599us-gaap_Dividends $ 1,412us-gaap_Dividends $ 1,198us-gaap_Dividends    
Amount of Increased Common Stock Dividends per Share Announced               $ 0.48qcom_AmountOfIncreasedCommonStockDividendsPerShareAnnounced
Subsequent Event                
Dividends                
Dividends per share announced             $ 0.48us-gaap_CommonStockDividendsPerShareDeclared
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember
 
Dividends Payable, Date Declared             Apr. 08, 2015  
Dividends Payable, Date to be Paid             Jun. 24, 2015  
Dividends Payable, Date of Record             Jun. 03, 2015