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Segment Information (Details) (USD $)
In Millions, unless otherwise specified |
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] | |||
| Segment Reporting, Factors Used to Identify Entity's Reportable Segments | The Company is organized on the basis of products and services. The Company aggregates two of its divisions into the QSI segment | ||
| Earnings before income taxes | $ 2,298us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest | $ 1,757us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest | |
| Assets | 48,447us-gaap_Assets | 48,574us-gaap_Assets | |
| QMT [Member] | |||
| Revenues, EBT, and Assets by business segments [Line Items] | |||
| Long-lived assets impairment charges |
444us-gaap_ImpairmentOfLongLivedAssetsHeldForUse / us-gaap_StatementBusinessSegmentsAxis = qcom_QmtMember |
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| Unallocated Other Income [Member] | |||
| Revenues, EBT, and Assets by business segments [Line Items] | |||
| Earnings before income taxes |
$ (69)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest / us-gaap_StatementBusinessSegmentsAxis = qcom_UnallocatedOtherIncomeMember |
$ (12)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest / us-gaap_StatementBusinessSegmentsAxis = qcom_UnallocatedOtherIncomeMember |
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- Definition
Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Description of the factors used to identify reportable segments, including the basis of organization (for example, whether management has chosen to organize the enterprise around differences in products and services, geographic areas, regulatory environments, or a combination of factors and whether operating segments have been aggregated to reportable segments). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The aggregate amount of write-downs for impairments recognized during the period for long lived assets held for use (including those held for disposal by means other than sale). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
This element represents the income or loss from continuing operations attributable to the economic entity which may also be defined as revenue less expenses from ongoing operations, after income or loss from equity method investments, but before income taxes, extraordinary items, and noncontrolling interest. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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