Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity (Details)

v2.4.1.9
Stockholders' Equity (Details) (USD $)
3 Months Ended 1 Months Ended
Dec. 28, 2014
Dec. 29, 2013
Jan. 28, 2015
Mar. 04, 2014
Stock repurchase program [Abstract]        
Shares repurchased and retired, shares 22,940,000us-gaap_StockRepurchasedAndRetiredDuringPeriodShares 14,196,000us-gaap_StockRepurchasedAndRetiredDuringPeriodShares    
Payments for Repurchase of Common Stock $ 1,664,000,000us-gaap_PaymentsForRepurchaseOfCommonStock $ 1,002,000,000us-gaap_PaymentsForRepurchaseOfCommonStock    
Remaining authorized amount 3,600,000,000us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1      
Subsequent Event        
Stock repurchase program [Abstract]        
Shares repurchased and retired, shares     6,841,000us-gaap_StockRepurchasedAndRetiredDuringPeriodShares
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember
 
Payments for Repurchase of Common Stock     502,000,000us-gaap_PaymentsForRepurchaseOfCommonStock
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember
 
Current Stock Repurchase Program [Member]        
Stock repurchase program [Abstract]        
Authorized amount       $ 7,800,000,000us-gaap_StockRepurchaseProgramAuthorizedAmount1
/ us-gaap_ShareRepurchaseProgramAxis
= qcom_CurrentMember