Segment Information Revenues, EBT, and Assets for Reportable Segments (Details) (USD $) In Millions, unless otherwise specified
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3 Months Ended |
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Dec. 28, 2014
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Dec. 29, 2013
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Sep. 28, 2014
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Revenues, EBT, and Assets by business segments [Line Items] |
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Revenues |
$ 7,099us-gaap_Revenues
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$ 6,622us-gaap_Revenues
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Asset Impairment Charges |
75us-gaap_AssetImpairmentCharges
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460us-gaap_AssetImpairmentCharges
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Assets |
48,447us-gaap_Assets
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48,574us-gaap_Assets
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Earnings before income taxes |
2,298us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
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1,757us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
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Nonreportable Segments [Member] |
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Revenues, EBT, and Assets by business segments [Line Items] |
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Revenues |
43us-gaap_Revenues / us-gaap_StatementBusinessSegmentsAxis = us-gaap_AllOtherSegmentsMember
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108us-gaap_Revenues / us-gaap_StatementBusinessSegmentsAxis = us-gaap_AllOtherSegmentsMember
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Earnings before income taxes |
(148)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest / us-gaap_StatementBusinessSegmentsAxis = us-gaap_AllOtherSegmentsMember
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(653)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest / us-gaap_StatementBusinessSegmentsAxis = us-gaap_AllOtherSegmentsMember
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QTL [Member] |
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Revenues, EBT, and Assets by business segments [Line Items] |
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Revenues |
1,816us-gaap_Revenues / us-gaap_StatementBusinessSegmentsAxis = qcom_QtlMember
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1,900us-gaap_Revenues / us-gaap_StatementBusinessSegmentsAxis = qcom_QtlMember
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Assets |
365us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = qcom_QtlMember
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161us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = qcom_QtlMember
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Earnings before income taxes |
1,579us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest / us-gaap_StatementBusinessSegmentsAxis = qcom_QtlMember
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1,670us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest / us-gaap_StatementBusinessSegmentsAxis = qcom_QtlMember
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QSI [Member] |
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Revenues, EBT, and Assets by business segments [Line Items] |
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Revenues |
0us-gaap_Revenues / us-gaap_StatementBusinessSegmentsAxis = qcom_QsiMember
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0us-gaap_Revenues / us-gaap_StatementBusinessSegmentsAxis = qcom_QsiMember
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Assets |
588us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = qcom_QsiMember
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484us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = qcom_QsiMember
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Earnings before income taxes |
(1)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest / us-gaap_StatementBusinessSegmentsAxis = qcom_QsiMember
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4us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest / us-gaap_StatementBusinessSegmentsAxis = qcom_QsiMember
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QCT [Member] |
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Revenues, EBT, and Assets by business segments [Line Items] |
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Revenues |
5,242us-gaap_Revenues / us-gaap_StatementBusinessSegmentsAxis = qcom_QctMember
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4,616us-gaap_Revenues / us-gaap_StatementBusinessSegmentsAxis = qcom_QctMember
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Assets |
3,577us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = qcom_QctMember
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3,639us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = qcom_QctMember
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Revenues from transactions with other operating segments |
0qcom_RevenuesFromTransactionsWithOtherOperatingSegmentsOfTheSameEntity / us-gaap_StatementBusinessSegmentsAxis = qcom_QctMember
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0qcom_RevenuesFromTransactionsWithOtherOperatingSegmentsOfTheSameEntity / us-gaap_StatementBusinessSegmentsAxis = qcom_QctMember
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Earnings before income taxes |
1,146us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest / us-gaap_StatementBusinessSegmentsAxis = qcom_QctMember
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906us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest / us-gaap_StatementBusinessSegmentsAxis = qcom_QctMember
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Unallocated cost of equipment and services revenues [Member] |
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Revenues, EBT, and Assets by business segments [Line Items] |
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Unallocated acquisition-related expenses |
67qcom_Unallocatedacquisitionrelatedexpenses / us-gaap_StatementBusinessSegmentsAxis = qcom_UnallocatedcostofequipmentandservicesrevenueMember
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61qcom_Unallocatedacquisitionrelatedexpenses / us-gaap_StatementBusinessSegmentsAxis = qcom_UnallocatedcostofequipmentandservicesrevenueMember
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Earnings before income taxes |
(79)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest / us-gaap_StatementBusinessSegmentsAxis = qcom_UnallocatedcostofequipmentandservicesrevenueMember
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(73)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest / us-gaap_StatementBusinessSegmentsAxis = qcom_UnallocatedcostofequipmentandservicesrevenueMember
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Unallocated research and development expenses [Member] |
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Revenues, EBT, and Assets by business segments [Line Items] |
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Unallocated acquisition-related expenses |
4qcom_Unallocatedacquisitionrelatedexpenses / us-gaap_StatementBusinessSegmentsAxis = qcom_UnallocatedResearchAndDevelopmentExpensesMember
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1qcom_Unallocatedacquisitionrelatedexpenses / us-gaap_StatementBusinessSegmentsAxis = qcom_UnallocatedResearchAndDevelopmentExpensesMember
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Earnings before income taxes |
(210)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest / us-gaap_StatementBusinessSegmentsAxis = qcom_UnallocatedResearchAndDevelopmentExpensesMember
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(217)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest / us-gaap_StatementBusinessSegmentsAxis = qcom_UnallocatedResearchAndDevelopmentExpensesMember
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Unallocated selling, general and administrative expenses [Member] |
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Revenues, EBT, and Assets by business segments [Line Items] |
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Unallocated acquisition-related expenses |
12qcom_Unallocatedacquisitionrelatedexpenses / us-gaap_StatementBusinessSegmentsAxis = qcom_UnallocatedSellingGeneralAndAdministrativeExpensesMember
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7qcom_Unallocatedacquisitionrelatedexpenses / us-gaap_StatementBusinessSegmentsAxis = qcom_UnallocatedSellingGeneralAndAdministrativeExpensesMember
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Earnings before income taxes |
(150)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest / us-gaap_StatementBusinessSegmentsAxis = qcom_UnallocatedSellingGeneralAndAdministrativeExpensesMember
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(125)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest / us-gaap_StatementBusinessSegmentsAxis = qcom_UnallocatedSellingGeneralAndAdministrativeExpensesMember
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Unallocated Other Income [Member] |
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Revenues, EBT, and Assets by business segments [Line Items] |
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Goodwill impairment charge |
69us-gaap_GoodwillImpairmentLoss / us-gaap_StatementBusinessSegmentsAxis = qcom_UnallocatedOtherIncomeMember
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Earnings before income taxes |
(69)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest / us-gaap_StatementBusinessSegmentsAxis = qcom_UnallocatedOtherIncomeMember
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(12)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest / us-gaap_StatementBusinessSegmentsAxis = qcom_UnallocatedOtherIncomeMember
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Unallocated investment income, net [Member] |
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Revenues, EBT, and Assets by business segments [Line Items] |
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Earnings before income taxes |
231us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest / us-gaap_StatementBusinessSegmentsAxis = qcom_UnallocatedInvestmentIncomeLossNetMember
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257us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest / us-gaap_StatementBusinessSegmentsAxis = qcom_UnallocatedInvestmentIncomeLossNetMember
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Reconciling Items [Member] |
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Revenues, EBT, and Assets by business segments [Line Items] |
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Revenues |
41us-gaap_Revenues / us-gaap_StatementBusinessSegmentsAxis = us-gaap_MaterialReconcilingItemsMember
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106us-gaap_Revenues / us-gaap_StatementBusinessSegmentsAxis = us-gaap_MaterialReconcilingItemsMember
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Assets |
43,917us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = us-gaap_MaterialReconcilingItemsMember
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44,290us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = us-gaap_MaterialReconcilingItemsMember
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Earnings before income taxes |
(426)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest / us-gaap_StatementBusinessSegmentsAxis = us-gaap_MaterialReconcilingItemsMember
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(823)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest / us-gaap_StatementBusinessSegmentsAxis = us-gaap_MaterialReconcilingItemsMember
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Intersegment Eliminations [Member] |
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Revenues, EBT, and Assets by business segments [Line Items] |
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Revenues |
(2)us-gaap_Revenues / us-gaap_ConsolidationItemsAxis = us-gaap_IntersegmentEliminationMember
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(2)us-gaap_Revenues / us-gaap_ConsolidationItemsAxis = us-gaap_IntersegmentEliminationMember
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Earnings before income taxes |
$ (1)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest / us-gaap_ConsolidationItemsAxis = us-gaap_IntersegmentEliminationMember
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$ 0us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest / us-gaap_ConsolidationItemsAxis = us-gaap_IntersegmentEliminationMember
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