Quarterly report pursuant to Section 13 or 15(d)

Document and Entity Information Document

v2.4.0.6
Document and Entity Information Document
6 Months Ended
Mar. 31, 2013
Apr. 22, 2013
Document Information [Line Items]    
Entity Registrant Name QUALCOMM INC/DE  
Entity Central Index Key 0000804328  
Current Fiscal Year End Date --09-29  
Entity Filer Category Large Accelerated Filer  
Document Type 10-Q  
Document Period End Date Mar. 31, 2013  
Document Fiscal Year Focus 2013  
Document Fiscal Period Focus Q2  
Amendment Flag false  
Entity Common Stock, Shares Outstanding   1,727,835,431
Entity Well-known Seasoned Issuer Yes  
Entity Voluntary Filers No  
Entity Current Reporting Status Yes