Quarterly report pursuant to Section 13 or 15(d)

Document and Entity Information Document

Document and Entity Information Document
6 Months Ended
Mar. 30, 2014
Apr. 21, 2014
Document Information [Line Items]    
Entity Registrant Name QUALCOMM INC/DE  
Entity Incorporation, State Name Delaware  
Entity Address, Address 5775 Morehouse Dr.  
Entity Address, City San Diego  
Entity Address, State California  
Entity Address, Postal Zip Code 92121-1714  
Entity Local Phone Number (858) 587-1121  
Entity Tax Identification Number 953685934  
Entity Central Index Key 0000804328  
Current Fiscal Year End Date --09-28  
Entity Filer Category Large Accelerated Filer  
Document Type 10-Q  
Document Period End Date Mar. 30, 2014  
Document Fiscal Year Focus 2014  
Document Fiscal Period Focus Q2  
Amendment Flag false  
Entity Common Stock, Shares Outstanding   1,687,873,532
Entity Well-known Seasoned Issuer Yes  
Entity Voluntary Filers No  
Entity Current Reporting Status Yes