2.2.0.7 false Commitments and Contingencies (Details) 009080 - Disclosure - Commitments and Contingencies (Details) true false false false 1 USD false false u000 Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 u003 Divide http://www.xbrl.org/2003/iso4217 USD iso4217 http://www.xbrl.org/2003/instance shares xbrli 0 $ false 2 USD false false u000 Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 u001 Standard http://www.xbrl.org/2003/instance pure xbrli 0 u003 Divide http://www.xbrl.org/2003/iso4217 USD iso4217 http://www.xbrl.org/2003/instance shares xbrli 0 u002 Standard http://www.xbrl.org/2003/instance shares xbrli 0 $ false 3 KRW false false u004 Standard http://www.xbrl.org/2003/iso4217 KRW iso4217 0 ₩ false 4 USD false false u000 Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 u001 Standard http://www.xbrl.org/2003/instance pure xbrli 0 u003 Divide http://www.xbrl.org/2003/iso4217 USD iso4217 http://www.xbrl.org/2003/instance shares xbrli 0 u002 Standard http://www.xbrl.org/2003/instance shares xbrli 0 $ false 5 USD false false u000 Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 u001 Standard http://www.xbrl.org/2003/instance pure xbrli 0 u003 Divide http://www.xbrl.org/2003/iso4217 USD iso4217 http://www.xbrl.org/2003/instance shares xbrli 0 u002 Standard http://www.xbrl.org/2003/instance shares xbrli 0 $ 2 Notes to Financial Statements [Abstract] 0 qcom_NotesToFinancialStatementsAbstract qcom false na duration No definition available. false false false false false true false false false false false false 1 false false false false 0 0 false false false 2 false false false false 0 0 false false false 3 false false false false 0 0 false false false 4 false false false false 0 0 false false false 5 false false false false 0 0 false false false xbrli:stringItemType string No definition available. false 3 KFTC levied fine 1 qcom_KftcLeviedFine qcom false debit duration The element represents the fine in Korean won levied by the Korea Fair Trade Commission. false false false false false false false false false false false false 1 false false false false 0 0 false false false 2 false false false false 0 0 false false false 3 true true false false 273200000000 273200000000 false false false 4 false false false false 0 0 false false false 5 false false false false 0 0 false false false xbrli:monetaryItemType monetary The element represents the fine in Korean won levied by the Korea Fair Trade Commission. No authoritative reference available. false 4 Broadcom settlement 1 qcom_CompanySettlement qcom false debit duration The settlement amount that Qualcomm agreed to pay Broadcom according to the Settlement and Patent License and Non-Assert... false false false false false false false false false false false terselabel false 1 false false false false 0 0 false false false 2 false false false false 0 0 false false false 3 false false false false 0 0 false false false 4 false true false false 891000000 891000000 false false false 5 false false false false 0 0 false false false xbrli:monetaryItemType monetary The settlement amount that Qualcomm agreed to pay Broadcom according to the Settlement and Patent License and Non-Assert Agreement with Broadcom. No authoritative reference available. false 5 Paid portion of Broadcom settlement 1 qcom_PaidPortionOfCompanySettlement qcom false debit duration The element represents the paid portion of the Broadcom settlement. false false false false false false false false false false false terselabel false 1 false false false false 0 0 false false false 2 false true false false 373000000 373000000 false false false 3 false false false false 0 0 false false false 4 false false false false 0 0 false false false 5 false false false false 0 0 false false false xbrli:monetaryItemType monetary The element represents the paid portion of the Broadcom settlement. No authoritative reference available. false 6 Unpaid portion of Company settlement 1 qcom_UnpaidPortionOfCompanySettlement qcom false debit instant The element represents the unpaid portion of the Broadcom settlement. false false false false false false false false false false false false 1 false false false false 0 0 false false false 2 false true false false 518000000 518000000 false false false 3 false false false false 0 0 false false false 4 false false false false 0 0 false false false 5 false false false false 0 0 false false false xbrli:monetaryItemType monetary The element represents the unpaid portion of the Broadcom settlement. No authoritative reference available. false 7 Pretax charge of Company settlement 1 qcom_PretaxChargeOfCompanySettlement qcom false debit duration This element represents the expense recognized by the entity related to the settlement Broadcom. false false false false false false false false false false false false 1 false true false false 748000000 748000000 false false false 2 false false false false 0 0 false false false 3 false false false false 0 0 false false false 4 false false false false 0 0 false false false 5 false true false false 783000000 783000000 false false false xbrli:monetaryItemType monetary This element represents the expense recognized by the entity related to the settlement Broadcom. No authoritative reference available. false 8 Carrying value and fair value of the settlement liability 1 qcom_CarryingValueAndFairValueOfSettlementLiability qcom false credit instant This element represents the carrying value of the liability related to the Broadcom settlement, which also approximated fair... false false false false false false false false false false false false 1 false false false false 0 0 false false false 2 false true false false 495000000 495000000 false false false 3 false false false false 0 0 false false false 4 false false false false 0 0 false false false 5 false false false false 0 0 false false false xbrli:monetaryItemType monetary This element represents the carrying value of the liability related to the Broadcom settlement, which also approximated fair value. No authoritative reference available. false 9 Advance payment deposit 1 us-gaap_SecurityDeposit us-gaap true debit instant No definition available. false false false false false false false false false false false false 1 false false false false 0 0 false false false 2 false true false false 1060000000 1060000000 false false false 3 false false false false 0 0 false false false 4 false false false false 0 0 false false false 5 false false false false 0 0 false false false xbrli:monetaryItemType monetary The amount of an asset, typically cash, provided to a counterparty to provide certain assurance of performance by the entity pursuant to the terms of a written or oral agreement, such as a lease. No authoritative reference available. false 10 Date of commercial launch of wireless service 1 qcom_DateOfCommercialLaunchOfWirelessService qcom false na duration This element represents the period in which the licensee must comply with the Indian government's network build-out... false false false false false false false false false false false false 1 false false false false 0 0 false false false 2 false false false false 0 0 five years five years false false false 3 false false false false 0 0 false false false 4 false false false false 0 0 false false false 5 false false false false 0 0 false false false xbrli:stringItemType string This element represents the period in which the licensee must comply with the Indian government's network build-out requirement. No authoritative reference available. false 11 License period of licenses 1 qcom_UsefulLivesOfLicenses qcom false na duration This element represents the license period of licenses. false false false false false false false false false false false terselabel false 1 false false false false 0 0 false false false 2 false false false false 0 0 20 years 20 years false false false 3 false false false false 0 0 false false false 4 false false false false 0 0 false false false 5 false false false false 0 0 false false false xbrli:stringItemType string This element represents the license period of licenses. No authoritative reference available. false 12 Loan interest rate (percentage) 1 us-gaap_ShortTermDebtPercentageBearingFixedInterestRate us-gaap true na instant No definition available. false false false false false false false false false false false terselabel false 1 false false false false 0 0 false false false 2 false true false false 6.75 6.75 false false false 3 false false false false 0 0 false false false 4 false false false false 0 0 false false false 5 false false false false 0 0 false false false us-types:percentItemType pure The portion of the carrying amount of short-term borrowings outstanding as of the balance-sheet date which accrues interest at a set, unchanging rate No authoritative reference available. false 13 Carrying value and fair value of bank loan 1 us-gaap_ShortTermBankLoansAndNotesPayable us-gaap true credit instant No definition available. false false false false false false false false false false false false 1 false false false false 0 0 false false false 2 false true false false 1061000000 1061000000 false false false 3 false false false false 0 0 false false false 4 false false false false 0 0 false false false 5 false true false false 0 0 false false false xbrli:monetaryItemType monetary Carrying amount at the balance sheet date of borrowings from a bank, not elsewhere enumerated in the taxonomy, with a maturity within one year (or within one operating cycle if longer) from the date of borrowing. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19 -Subparagraph a -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 16 -Article 7 false 14 Unrecorded noncancelable obligations for the remainder of fiscal 2010 1 us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnFirstAnniversary us-gaap true credit instant No definition available. false false false false false false false false false false false false 1 false false false false 0 0 false false false 2 false true false false 915000000 915000000 false false false 3 false false false false 0 0 false false false 4 false false false false 0 0 false false false 5 false false false false 0 0 false false false xbrli:monetaryItemType monetary The remaining amount of the fixed and determinable portion of an unrecorded unconditional purchase obligation on the first anniversary of the balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 47 -Paragraph 7 -Subparagraph b false 15 Unrecorded noncancelable obligations for fiscal 2011 1 us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnSecondAnniversary us-gaap true credit instant No definition available. false false false false false false false false false false false false 1 false false false false 0 0 false false false 2 false true false false 365000000 365000000 false false false 3 false false false false 0 0 false false false 4 false false false false 0 0 false false false 5 false false false false 0 0 false false false xbrli:monetaryItemType monetary The remaining amount of the fixed and determinable portion of an unrecorded unconditional purchase obligation on the second anniversary of the balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 47 -Paragraph 7 -Subparagraph b false 16 Unrecorded noncancelable obligations for fiscal 2012 1 us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnThirdAnniversary us-gaap true credit instant No definition available. false false false false false false false false false false false false 1 false false false false 0 0 false false false 2 false true false false 119000000 119000000 false false false 3 false false false false 0 0 false false false 4 false false false false 0 0 false false false 5 false false false false 0 0 false false false xbrli:monetaryItemType monetary The remaining amount of the fixed and determinable portion of an unrecorded unconditional purchase obligation on the third anniversary of the balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 47 -Paragraph 7 -Subparagraph b false 17 Unrecorded noncancelable obligations for fiscal 2013 1 us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnFourthAnniversary us-gaap true credit instant No definition available. false false false false false false false false false false false false 1 false false false false 0 0 false false false 2 false true false false 42000000 42000000 false false false 3 false false false false 0 0 false false false 4 false false false false 0 0 false false false 5 false false false false 0 0 false false false xbrli:monetaryItemType monetary The remaining amount of the fixed and determinable portion of an unrecorded unconditional purchase obligation on the fourth anniversary of the balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 47 -Paragraph 7 -Subparagraph b false 18 Unrecorded noncancelable obligations for fiscal 2014 1 us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnFifthAnniversary us-gaap true credit instant No definition available. false false false false false false false false false false false false 1 false false false false 0 0 false false false 2 false true false false 15000000 15000000 false false false 3 false false false false 0 0 false false false 4 false false false false 0 0 false false false 5 false false false false 0 0 false false false xbrli:monetaryItemType monetary The remaining amount of the fixed and determinable portion of an unrecorded unconditional purchase obligation on the fifth anniversary of the balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 47 -Paragraph 7 -Subparagraph b false 19 Unrecorded noncancelable obligations for years after fiscal 2014 1 qcom_UnrecordedNoncancelableObligationsForYearsAfterFifthAnniversary qcom false credit instant The remaining amount of the fixed and determinable portion of an unrecorded unconditional purchase obligation on the fifth... false false false false false false false false false false false terselabel false 1 false false false false 0 0 false false false 2 false true false false 86000000 86000000 false false false 3 false false false false 0 0 false false false 4 false false false false 0 0 false false false 5 false false false false 0 0 false false false xbrli:monetaryItemType monetary The remaining amount of the fixed and determinable portion of an unrecorded unconditional purchase obligation on the fifth anniversary of the balance sheet date. No authoritative reference available. false 20 Inventory purchase commitments for the remainder of fiscal 2010 1 qcom_InventoryPurchaseCommitmentsForRemainderOfFiscalYear qcom false credit instant The remaining amount of the fixed and determinable portion of an unrecorded unconditional inventory purchase obligation on... false false false false false false false false false false false terselabel false 1 false false false false 0 0 false false false 2 false true false false 809000000 809000000 false false false 3 false false false false 0 0 false false false 4 false false false false 0 0 false false false 5 false false false false 0 0 false false false xbrli:monetaryItemType monetary The remaining amount of the fixed and determinable portion of an unrecorded unconditional inventory purchase obligation on the first anniversary of the balance sheet date No authoritative reference available. false 21 Inventory purchase commitments for fiscal 2011 1 qcom_InventoryPurchaseCommitmentsForFiscal qcom false credit instant The remaining amount of the fixed and determinable portion of an unrecorded unconditional inventory purchase obligation on... false false false false false false false false false false false terselabel false 1 false false false false 0 0 false false false 2 false true false false 136000000 136000000 false false false 3 false false false false 0 0 false false false 4 false false false false 0 0 false false false 5 false false false false 0 0 false false false xbrli:monetaryItemType monetary The remaining amount of the fixed and determinable portion of an unrecorded unconditional inventory purchase obligation on the second anniversary of the balance sheet date No authoritative reference available. false 22 Range of noncancelable operating lease terms 1 qcom_RangeOfNoncancelableLeaseTerms qcom false na instant This element represents the range of the terms of noncancelable operating leases. false false false false false false false false false false false terselabel false 1 false false false false 0 0 false false false 2 false false false false 0 0 one year to 35 years false false false 3 false false false false 0 0 false false false 4 false false false false 0 0 false false false 5 false false false false 0 0 false false false xbrli:stringItemType string This element represents the range of the terms of noncancelable operating leases. No authoritative reference available. false 23 Expiration year of the longest capital lease 1 qcom_ExpirationYearOfLongestCapitalLease qcom false na instant This element represents the expiration year of the longest capital leases. false false false false false false false false false false false false 1 false false false false 0 0 false false false 2 false true false false 2043 2043 false false false 3 false false false false 0 0 false false false 4 false false false false 0 0 false false false 5 false false false false 0 0 false false false xbrli:integerItemType integer This element represents the expiration year of the longest capital leases. No authoritative reference available. false 24 Future minimum lease payments for all capital leases and operating leases 1 us-gaap_DebtInstrumentsAbstract us-gaap true na duration No definition available. false false false false false true false false false false false terselabel false 1 false false false false 0 0 false false false 2 false false false false 0 0 false false false 3 false false false false 0 0 false false false 4 false false false false 0 0 false false false 5 false false false false 0 0 false false false xbrli:stringItemType string No definition available. false 25 Remainder of fiscal 2010 - Capital leases 2 us-gaap_CapitalLeasesFutureMinimumPaymentsDueCurrent us-gaap true credit instant No definition available. false false false false false false false false false false false label false 1 false false false false 0 0 false false false 2 false true false false 4000000 4000000 false false false 3 false false false false 0 0 false false false 4 false false false false 0 0 false false false 5 false false false false 0 0 false false false xbrli:monetaryItemType monetary Contractually required rental payments on leases meeting the criteria for capitalization, due within one year of the balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 13 -Paragraph 16 -Subparagraph a(ii) false 26 2011 - Capital leases 2 us-gaap_CapitalLeasesFutureMinimumPaymentsDueInTwoYears us-gaap true credit instant No definition available. false false false false false false false false false false false label false 1 false false false false 0 0 false false false 2 false true false false 16000000 16000000 false false false 3 false false false false 0 0 false false false 4 false false false false 0 0 false false false 5 false false false false 0 0 false false false xbrli:monetaryItemType monetary Contractually required rental payments on leases meeting the criteria for capitalization, due within the second year from the balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 13 -Paragraph 16 -Subparagraph a(ii) false 27 2012 - Capital leases 2 us-gaap_CapitalLeasesFutureMinimumPaymentsDueInThreeYears us-gaap true credit instant No definition available. false false false false false false false false false false false label false 1 false false false false 0 0 false false false 2 false true false false 16000000 16000000 false false false 3 false false false false 0 0 false false false 4 false false false false 0 0 false false false 5 false false false false 0 0 false false false xbrli:monetaryItemType monetary Contractually required rental payments on leases meeting the criteria for capitalization, due within the third year from the balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 13 -Paragraph 16 -Subparagraph a(ii) false 28 2013 - Capital leases 2 us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFourYears us-gaap true credit instant No definition available. false false false false false false false false false false false false 1 false false false false 0 0 false false false 2 false true false false 16000000 16000000 false false false 3 false false false false 0 0 false false false 4 false false false false 0 0 false false false 5 false false false false 0 0 false false false xbrli:monetaryItemType monetary Contractually required rental payments on leases meeting the criteria for capitalization, due within the fourth year from the balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 13 -Paragraph 16 -Subparagraph a(ii) false 29 2014 - Capital leases 2 us-gaap_CapitalLeasesFutureMinimumPaymentsDueInFiveYears us-gaap true credit instant No definition available. false false false false false false false false false false false label false 1 false false false false 0 0 false false false 2 false true false false 16000000 16000000 false false false 3 false false false false 0 0 false false false 4 false false false false 0 0 false false false 5 false false false false 0 0 false false false xbrli:monetaryItemType monetary Contractually required rental payments on leases meeting the criteria for capitalization, due within the fifth year from the balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 13 -Paragraph 16 -Subparagraph a(ii) false 30 Thereafter - Capital leases 2 us-gaap_CapitalLeasesFutureMinimumPaymentsDueThereafter us-gaap true credit instant No definition available. false false false false false false false false false false false label false 1 false false false false 0 0 false false false 2 false true false false 440000000 440000000 false false false 3 false false false false 0 0 false false false 4 false false false false 0 0 false false false 5 false false false false 0 0 false false false xbrli:monetaryItemType monetary Contractually required rental payments due on leases meeting the criteria for capitalization, after the fifth year from the balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 13 -Paragraph 16 -Subparagraph a(ii) false 31 Total minimum lease payments - Capital leases 2 us-gaap_CapitalLeasesFutureMinimumPaymentsDue us-gaap true credit instant No definition available. false false false false false false false false false false false label false 1 false false false false 0 0 false false false 2 false true false false 508000000 508000000 false false false 3 false false false false 0 0 false false false 4 false false false false 0 0 false false false 5 false false false false 0 0 false false false xbrli:monetaryItemType monetary The total of contractually required rental payments on leases meeting the criteria for capitalization. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 13 -Paragraph 16 -Subparagraph a(ii) false 32 Remainder of fiscal 2010 - Operating leases 2 us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent us-gaap true credit instant No definition available. false false false false false false false false false false false label false 1 false false false false 0 0 false false false 2 false true false false 16000000 16000000 false false false 3 false false false false 0 0 false false false 4 false false false false 0 0 false false false 5 false false false false 0 0 false false false xbrli:monetaryItemType monetary For leases having an initial or remaining non-cancelable letter-terms in excess of one year, required rental payments due within one year of the balance sheet date relating to leases defined as operating. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 13 -Paragraph 122 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 13 -Paragraph 16 -Subparagraph b(i) false 33 2011 - Operating leases 2 us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears us-gaap true credit instant No definition available. false false false false false false false false false false false label false 1 false false false false 0 0 false false false 2 false true false false 91000000 91000000 false false false 3 false false false false 0 0 false false false 4 false false false false 0 0 false false false 5 false false false false 0 0 false false false xbrli:monetaryItemType monetary For leases having an initial or remaining non-cancelable letter-terms in excess of one year, required rental payments due within the second year of the balance sheet date relating to leases defined as operating. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 13 -Paragraph 122 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 13 -Paragraph 16 -Subparagraph b(i) false 34 2012 - Operating leases 2 us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears us-gaap true credit instant No definition available. false false false false false false false false false false false label false 1 false false false false 0 0 false false false 2 false true false false 64000000 64000000 false false false 3 false false false false 0 0 false false false 4 false false false false 0 0 false false false 5 false false false false 0 0 false false false xbrli:monetaryItemType monetary For leases having an initial or remaining non-cancelable letter-terms in excess of one year, required rental payments due within the third year of the balance sheet date relating to leases defined as operating. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 13 -Paragraph 122 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 13 -Paragraph 16 -Subparagraph b(i) false 35 2013 - Operating leases 2 us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears us-gaap true credit instant No definition available. false false false false false false false false false false false label false 1 false false false false 0 0 false false false 2 false true false false 35000000 35000000 false false false 3 false false false false 0 0 false false false 4 false false false false 0 0 false false false 5 false false false false 0 0 false false false xbrli:monetaryItemType monetary For leases having an initial or remaining non-cancelable letter-terms in excess of one year, required rental payments due within the fourth year of the balance sheet date relating to leases defined as operating. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 13 -Paragraph 122 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 13 -Paragraph 16 -Subparagraph b(i) false 36 2014 - Operating leases 2 us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears us-gaap true credit instant No definition available. false false false false false false false false false false false label false 1 false false false false 0 0 false false false 2 false true false false 26000000 26000000 false false false 3 false false false false 0 0 false false false 4 false false false false 0 0 false false false 5 false false false false 0 0 false false false xbrli:monetaryItemType monetary For leases having an initial or remaining non-cancelable letter-terms in excess of one year, required rental payments due within the fifth year of the balance sheet date relating to leases defined as operating. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 13 -Paragraph 122 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 13 -Paragraph 16 -Subparagraph b(i) false 37 Thereafter - Operating leases 2 us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter us-gaap true credit instant No definition available. false false false false false false false false false false false label false 1 false false false false 0 0 false false false 2 false true false false 244000000 244000000 false false false 3 false false false false 0 0 false false false 4 false false false false 0 0 false false false 5 false false false false 0 0 false false false xbrli:monetaryItemType monetary For leases having an initial or remaining non-cancelable letter-terms in excess of one year, required rental payments due after the fifth year from the balance sheet date on leases defined as operating. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 13 -Paragraph 122 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 13 -Paragraph 16 -Subparagraph b(i) false 38 Total minimum lease payments - Operating leases 2 us-gaap_OperatingLeasesFutureMinimumPaymentsDue us-gaap true credit instant No definition available. false false false false false false false false false false false label false 1 false false false false 0 0 false false false 2 false true false false 476000000 476000000 false false false 3 false false false false 0 0 false false false 4 false false false false 0 0 false false false 5 false false false false 0 0 false false false xbrli:monetaryItemType monetary The total of future contractually required payments on leases defined as operating. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 13 -Paragraph 122 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 13 -Paragraph 16 -Subparagraph b(i) false 39 Remainder of fiscal 2010 - Total 2 qcom_TotalFutureMinimumPaymentDueCurrent qcom false credit instant This element represents the total minimum lease payments, due within one year of the balance sheet date false false false false false false false false false false false terselabel false 1 false false false false 0 0 false false false 2 false true false false 20000000 20000000 false false false 3 false false false false 0 0 false false false 4 false false false false 0 0 false false false 5 false false false false 0 0 false false false xbrli:monetaryItemType monetary This element represents the total minimum lease payments, due within one year of the balance sheet date No authoritative reference available. false 40 2011 - Total 2 qcom_TotalFutureMinimumPaymentDueDueInTwoYears qcom false credit instant This element represents the total minimum lease payments, due within the second year from the balance sheet date false false false false false false false false false false false terselabel false 1 false false false false 0 0 false false false 2 false true false false 107000000 107000000 false false false 3 false false false false 0 0 false false false 4 false false false false 0 0 false false false 5 false false false false 0 0 false false false xbrli:monetaryItemType monetary This element represents the total minimum lease payments, due within the second year from the balance sheet date No authoritative reference available. false 41 2012 - Total 2 qcom_TotalFutureMinimumPaymentDueDueInThreeYears qcom false credit instant This element represents the total minimum lease payments, due within the third year from the balance sheet date false false false false false false false false false false false terselabel false 1 false false false false 0 0 false false false 2 false true false false 80000000 80000000 false false false 3 false false false false 0 0 false false false 4 false false false false 0 0 false false false 5 false false false false 0 0 false false false xbrli:monetaryItemType monetary This element represents the total minimum lease payments, due within the third year from the balance sheet date No authoritative reference available. false 42 2013 - Total 2 qcom_TotalFutureMinimumPaymentDueDueInFourYears qcom false credit instant This element represents the total minimum lease payments, due within the fourth year from the balance sheet date false false false false false false false false false false false terselabel false 1 false false false false 0 0 false false false 2 false true false false 51000000 51000000 false false false 3 false false false false 0 0 false false false 4 false false false false 0 0 false false false 5 false false false false 0 0 false false false xbrli:monetaryItemType monetary This element represents the total minimum lease payments, due within the fourth year from the balance sheet date No authoritative reference available. false 43 2014 - Total 2 qcom_TotalFutureMinimumPaymentDueDueInFiveYears qcom false na instant This element represents the total minimum lease payments, due within the fifth year from the balance sheet date false false false false false false false false false false false terselabel false 1 false false false false 0 0 false false false 2 false true false false 42000000 42000000 false false false 3 false false false false 0 0 false false false 4 false false false false 0 0 false false false 5 false false false false 0 0 false false false xbrli:monetaryItemType monetary This element represents the total minimum lease payments, due within the fifth year from the balance sheet date No authoritative reference available. false 44 Thereafter - Total 2 qcom_TotalFutureMinimumPaymentDueDueThereafter qcom false credit instant This element represents the total minimum lease payments, after the fifth year from the balance sheet date false false false false false false false false false false false terselabel false 1 false false false false 0 0 false false false 2 false true false false 684000000 684000000 false false false 3 false false false false 0 0 false false false 4 false false false false 0 0 false false false 5 false false false false 0 0 false false false xbrli:monetaryItemType monetary This element represents the total minimum lease payments, after the fifth year from the balance sheet date No authoritative reference available. false 45 Total minimum lease payments - Total 2 qcom_TotalFutureMinimumPaymentDue qcom false credit instant This element represents the total minimum lease payments false false false false false false false false false false false terselabel false 1 false false false false 0 0 false false false 2 false true false false 984000000 984000000 false false false 3 false false false false 0 0 false false false 4 false false false false 0 0 false false false 5 false false false false 0 0 false false false xbrli:monetaryItemType monetary This element represents the total minimum lease payments No authoritative reference available. false 46 Deduct: amounts representing interest - Capital leases 2 us-gaap_CapitalLeasesFutureMinimumPaymentsInterestIncludedInPayments us-gaap true debit instant No definition available. false false false false false false false false false false false label false 1 false false false false 0 0 false false false 2 false true false false 291000000 291000000 false false false 3 false false false false 0 0 false false false 4 false false false false 0 0 false false false 5 false false false false 0 0 false false false xbrli:monetaryItemType monetary Amount necessary to reduce net minimum lease payments to present value calculated at the entity's incremental borrowing rate at the inception of the lease. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 13 -Paragraph 16 -Subparagraph a(ii) false 47 Present value of minimum lease payments - Capital leases 2 us-gaap_CapitalLeasesFutureMinimumPaymentsPresentValueOfNetMinimumPayments us-gaap true credit instant No definition available. false false false false false false false false false false false label false 1 false false false false 0 0 false false false 2 false true false false 217000000 217000000 false false false 3 false false false false 0 0 false false false 4 false false false false 0 0 false false false 5 false false false false 0 0 false false false xbrli:monetaryItemType monetary The discounted value of future cash flows under leases meeting the criteria for capitalization. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 13 -Paragraph 16 -Subparagraph a(ii) false 48 Deduct: current portion of capital lease obligations - Capital leases 2 us-gaap_CapitalLeaseObligationsCurrent us-gaap true credit instant No definition available. false false false false false false false false false false false label false 1 false false false false 0 0 false false false 2 false true false false 2000000 2000000 false false false 3 false false false false 0 0 false false false 4 false false false false 0 0 false false false 5 false false false false 0 0 false false false xbrli:monetaryItemType monetary Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal, through the balance sheet date and due to be paid within one year (or one operating cycle, if longer) of the balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 13 -Paragraph 7, 10, 13 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19 -Article 5 false 49 Long-term portion of capital lease obligations - Capital leases 2 us-gaap_CapitalLeaseObligationsNoncurrent us-gaap true credit instant No definition available. false false false false false false false false false false false label false 1 false false false false 0 0 false false false 2 true true false false 215000000 215000000 false false false 3 false false false false 0 0 false false false 4 false false false false 0 0 false false false 5 false false false false 0 0 false false false xbrli:monetaryItemType monetary Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal, through the balance sheet date and due to be paid more than one year (or one operating cycle, if longer) after the balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 13 -Paragraph 7, 10, 13 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 false 5 48 false NoRounding UnKnown UnKnown false true