Composition of Certain Financial Statement Items Goodwill (Details) - USD ($) $ in Millions |
12 Months Ended | |||||||
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Sep. 25, 2016 |
Sep. 27, 2015 |
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| Goodwill [Roll Forward] | ||||||||
| Beginning balance | $ 5,479 | [1] | $ 4,488 | |||||
| Acquisitions | 172 | 1,258 | ||||||
| Impairments | (17) | (260) | ||||||
| Other | [2] | 45 | (7) | |||||
| Ending balance | [1] | 5,679 | 5,479 | |||||
| Cumulative goodwill impairments | 537 | 520 | ||||||
| QCT [Member] | ||||||||
| Goodwill [Roll Forward] | ||||||||
| Beginning balance | 4,461 | [1] | 3,467 | |||||
| Acquisitions | 172 | 998 | ||||||
| Impairments | 0 | 0 | ||||||
| Other | [2] | 41 | (4) | |||||
| Ending balance | [1] | 4,674 | 4,461 | |||||
| QTL [Member] | ||||||||
| Goodwill [Roll Forward] | ||||||||
| Beginning balance | 718 | [1] | 712 | |||||
| Acquisitions | 0 | 6 | ||||||
| Impairments | 0 | 0 | ||||||
| Other | [2] | 0 | 0 | |||||
| Ending balance | [1] | 718 | 718 | |||||
| Nonreportable Segments [Member] | ||||||||
| Goodwill [Roll Forward] | ||||||||
| Beginning balance | 300 | [1] | 309 | |||||
| Acquisitions | 0 | 254 | ||||||
| Impairments | (17) | (260) | ||||||
| Other | [2] | 4 | (3) | |||||
| Ending balance | [1] | $ 287 | $ 300 | |||||
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- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of accumulated impairment loss for an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of increase (decrease), classified as other, of an asset representing the future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. No definition available.
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