Quarterly report pursuant to Section 13 or 15(d)

Document and Entity Information Document

v2.4.1.9
Document and Entity Information Document
3 Months Ended
Dec. 28, 2014
Jan. 26, 2015
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 --09-27  
Entity Filer Category Large Accelerated Filer  
Document Type 10-Q  
Document Period End Date Dec. 28, 2014  
Document Fiscal Year Focus 2015  
Document Fiscal Period Focus Q1  
Amendment Flag false  
Entity Common Stock, Shares Outstanding   1,649,560,102dei_EntityCommonStockSharesOutstanding
Entity Well-known Seasoned Issuer Yes  
Entity Voluntary Filers No  
Entity Current Reporting Status Yes