Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity Changes in Stockholders' Equity (Details)

v2.4.1.9
Stockholders' Equity Changes in Stockholders' Equity (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended
Dec. 28, 2014
Dec. 29, 2013
Increase (Decrease) in Stockholders' Equity [Roll Forward]    
Balance at beginning of period $ 39,166us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest  
Net income attributable to Qualcomm 1,972us-gaap_NetIncomeLoss 1,875us-gaap_NetIncomeLoss
Net loss attributable to noncontrolling interests (1)us-gaap_NetIncomeLossAttributableToNoncontrollingInterest (1)us-gaap_NetIncomeLossAttributableToNoncontrollingInterest
Net income 1,971us-gaap_ProfitLoss 1,874us-gaap_ProfitLoss
Other comprehensive loss (206)us-gaap_OtherComprehensiveIncomeLossNetOfTax 31us-gaap_OtherComprehensiveIncomeLossNetOfTax
Common stock issued under employee benefit plans and related tax benefits 162us-gaap_StockIssuedDuringPeriodValueNewIssues  
Share-based compensation 286us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue  
Tax withholding related to vesting of restricted stock units (185)us-gaap_AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation  
Dividends (710)us-gaap_Dividends  
Stock repurchases (1,664)us-gaap_StockRepurchasedAndRetiredDuringPeriodValue  
Other (1)us-gaap_StockholdersEquityOther  
Balance at end of period 38,819us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest  
Qualcomm Stockholders' Equity [Member]    
Increase (Decrease) in Stockholders' Equity [Roll Forward]    
Balance at beginning of period 39,169us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_ParentMember
 
Net income attributable to Qualcomm 1,972us-gaap_NetIncomeLoss
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_ParentMember
 
Other comprehensive loss attributable to Qualcomm (206)us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_ParentMember
 
Common stock issued under employee benefit plans and related tax benefits 162us-gaap_StockIssuedDuringPeriodValueNewIssues
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_ParentMember
 
Share-based compensation 286us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_ParentMember
 
Tax withholding related to vesting of restricted stock units (185)us-gaap_AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_ParentMember
 
Dividends (710)us-gaap_Dividends
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_ParentMember
 
Stock repurchases (1,664)us-gaap_StockRepurchasedAndRetiredDuringPeriodValue
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_ParentMember
 
Other (1)us-gaap_StockholdersEquityOther
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_ParentMember
 
Balance at end of period 38,823us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_ParentMember
 
Noncontrolling Interests [Member]    
Increase (Decrease) in Stockholders' Equity [Roll Forward]    
Balance at beginning of period (3)us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_NoncontrollingInterestMember
 
Net loss attributable to noncontrolling interests (1)us-gaap_NetIncomeLossAttributableToNoncontrollingInterest
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_NoncontrollingInterestMember
 
Other comprehensive loss attributable to noncontrolling Interests 0us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_NoncontrollingInterestMember
 
Common stock issued under employee benefit plans and related tax benefits 0us-gaap_StockIssuedDuringPeriodValueNewIssues
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_NoncontrollingInterestMember
 
Share-based compensation 0us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_NoncontrollingInterestMember
 
Tax withholding related to vesting of restricted stock units 0us-gaap_AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_NoncontrollingInterestMember
 
Dividends 0us-gaap_Dividends
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_NoncontrollingInterestMember
 
Stock repurchases 0us-gaap_StockRepurchasedAndRetiredDuringPeriodValue
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_NoncontrollingInterestMember
 
Other 0us-gaap_StockholdersEquityOther
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_NoncontrollingInterestMember
 
Balance at end of period $ (4)us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_NoncontrollingInterestMember