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Stockholders' Equity Changes in Stockholders' Equity (Details) (USD $)
In Millions, unless otherwise specified |
3 Months Ended | 6 Months Ended | ||||
|---|---|---|---|---|---|---|
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Mar. 29, 2015
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Dec. 28, 2014
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Mar. 30, 2014
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Dec. 29, 2013
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Mar. 29, 2015
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Mar. 30, 2014
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| Increase (Decrease) in Stockholders' Equity [Roll Forward] | ||||||
| Balance at beginning of period | $ 39,166us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest | $ 39,166us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest | ||||
| Net income attributable to Qualcomm | 1,053us-gaap_NetIncomeLoss | 1,959us-gaap_NetIncomeLoss | 3,025us-gaap_NetIncomeLoss | 3,835us-gaap_NetIncomeLoss | ||
| Net loss attributable to noncontrolling interests | (1)us-gaap_NetIncomeLossAttributableToNoncontrollingInterest | (1)us-gaap_NetIncomeLossAttributableToNoncontrollingInterest | (2)us-gaap_NetIncomeLossAttributableToNoncontrollingInterest | (2)us-gaap_NetIncomeLossAttributableToNoncontrollingInterest | ||
| Net income | 1,052us-gaap_ProfitLoss | 1,958us-gaap_ProfitLoss | 3,023us-gaap_ProfitLoss | 3,833us-gaap_ProfitLoss | ||
| Other comprehensive loss | 44us-gaap_OtherComprehensiveIncomeLossNetOfTax | 25us-gaap_OtherComprehensiveIncomeLossNetOfTax | (162)us-gaap_OtherComprehensiveIncomeLossNetOfTax | 57us-gaap_OtherComprehensiveIncomeLossNetOfTax | ||
| Common stock issued under employee benefit plans and related tax benefits | 476us-gaap_StockIssuedDuringPeriodValueNewIssues | |||||
| Share-based compensation | 548us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue | |||||
| Tax withholding related to vesting of restricted stock units | (193)us-gaap_AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation | |||||
| Dividends | (702)us-gaap_Dividends | (710)us-gaap_Dividends | (599)us-gaap_Dividends | (599)us-gaap_Dividends | (1,412)us-gaap_Dividends | (1,198)us-gaap_Dividends |
| Stock repurchases | (3,611)us-gaap_StockRepurchasedAndRetiredDuringPeriodValue | |||||
| Other | (1)us-gaap_StockholdersEquityOther | |||||
| Balance at end of period | 37,834us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest | 37,834us-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 |
39,169us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_ParentMember |
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| Net income attributable to Qualcomm |
3,025us-gaap_NetIncomeLoss / us-gaap_StatementEquityComponentsAxis = us-gaap_ParentMember |
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| Other comprehensive loss attributable to Qualcomm |
(162)us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent / us-gaap_StatementEquityComponentsAxis = us-gaap_ParentMember |
|||||
| Common stock issued under employee benefit plans and related tax benefits |
476us-gaap_StockIssuedDuringPeriodValueNewIssues / us-gaap_StatementEquityComponentsAxis = us-gaap_ParentMember |
|||||
| Share-based compensation |
548us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue / us-gaap_StatementEquityComponentsAxis = us-gaap_ParentMember |
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| Tax withholding related to vesting of restricted stock units |
(193)us-gaap_AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation / us-gaap_StatementEquityComponentsAxis = us-gaap_ParentMember |
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| Dividends |
(1,412)us-gaap_Dividends / us-gaap_StatementEquityComponentsAxis = us-gaap_ParentMember |
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| Stock repurchases |
(3,611)us-gaap_StockRepurchasedAndRetiredDuringPeriodValue / us-gaap_StatementEquityComponentsAxis = us-gaap_ParentMember |
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| Other |
(1)us-gaap_StockholdersEquityOther / us-gaap_StatementEquityComponentsAxis = us-gaap_ParentMember |
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| Balance at end of period |
37,839us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_ParentMember |
37,839us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_ParentMember |
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| 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 |
(3)us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember |
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| Net loss attributable to noncontrolling interests |
(2)us-gaap_NetIncomeLossAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember |
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| Other comprehensive loss attributable to noncontrolling Interests |
0us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember |
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| Common stock issued under employee benefit plans and related tax benefits |
0us-gaap_StockIssuedDuringPeriodValueNewIssues / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember |
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| Share-based compensation |
0us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember |
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| Tax withholding related to vesting of restricted stock units |
0us-gaap_AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember |
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| Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders |
0us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember |
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| Stock repurchases |
0us-gaap_StockRepurchasedAndRetiredDuringPeriodValue / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember |
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| Other |
0us-gaap_StockholdersEquityOther / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember |
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| Balance at end of period |
$ (5)us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember |
$ (5)us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest / us-gaap_StatementEquityComponentsAxis = us-gaap_NoncontrollingInterestMember |
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| X | ||||||||||
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- Definition
The amount of adjustment to stockholders' equity associated with an employee's income tax withholding obligation as part of a net-share settlement of a share-based award. No definition available.
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| X | ||||||||||
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- Definition
This element represents the amount of recognized equity-based compensation during the period, that is, the amount recognized as expense in the income statement (or as asset if compensation is capitalized). Alternate captions include the words "stock-based compensation". Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of paid and unpaid cash, stock, and paid-in-kind (PIK) dividends declared, for example, but not limited to, common and preferred stock. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
Decrease in noncontrolling interest balance from payment of dividends or other distributions by the non-wholly owned subsidiary or partially owned entity, included in the consolidation of the parent entity, to the noncontrolling interest holders. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of Net Income (Loss) attributable to noncontrolling interest. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount after tax and reclassification adjustments of other comprehensive income (loss). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount after tax of other comprehensive income (loss) attributable to noncontrolling interests. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount after tax of other comprehensive income (loss) attributable to parent entity. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of stockholders' equity (deficit), net of receivables from officers, directors, owners, and affiliates of the entity, attributable to both the parent and noncontrolling interests. Amount excludes temporary equity. Alternate caption for the concept is permanent equity. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
This element represents movements included in the statement of changes in stockholders' equity which are not separately disclosed or provided for elsewhere in the taxonomy. No definition available.
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| X | ||||||||||
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- Definition
Equity impact of the value of new stock issued during the period. Includes shares issued in an initial public offering or a secondary public offering. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Equity impact of the value of stock that has been repurchased and retired during the period. The excess of the purchase price over par value can be charged against retained earnings (once the excess is fully allocated to additional paid in capital). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Details
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| X | ||||||||||
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- Details
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