Quarterly report pursuant to Section 13 or 15(d)

Document and Entity Information Document

v3.7.0.1
Document and Entity Information Document - shares
6 Months Ended
Mar. 26, 2017
Apr. 17, 2017
Document Information [Line Items]    
Entity Registrant Name QUALCOMM INC/DE  
Entity Registrant State of Incorporation Delaware  
Entity Address 5775 Morehouse Dr.  
Entity City San Diego  
Entity State California  
Entity Zip Code 92121-1714  
Entity Phone Number (858) 587-1121  
Entity Employer ID 953685934  
Entity Central Index Key 0000804328  
Current Fiscal Year End Date --09-24  
Entity Filer Category Large Accelerated Filer  
Document Type 10-Q  
Document Period End Date Mar. 26, 2017  
Document Fiscal Year Focus 2017  
Document Fiscal Period Focus Q2  
Amendment Flag false  
Entity Common Stock, Shares Outstanding   1,477,436,517
Entity Well-known Seasoned Issuer Yes  
Entity Voluntary Filers No  
Entity Current Reporting Status Yes