Composition of Certain Financial Statement Items Goodwill (Details) - USD ($) $ in Millions |
12 Months Ended | |||||||||
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Sep. 24, 2017 |
Sep. 25, 2016 |
Sep. 27, 2015 |
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Goodwill [Roll Forward] | ||||||||||
Beginning balance | $ 5,679 | [1] | $ 5,479 | |||||||
Acquisitions | 875 | 172 | ||||||||
Impairments | 0 | (17) | $ (255) | |||||||
Other (1) | [2] | 69 | 45 | |||||||
Ending balance | 6,623 | [1] | 5,679 | [1] | 5,479 | |||||
Cumulative goodwill impairments | 537 | 537 | ||||||||
QCT [Member] | ||||||||||
Goodwill [Roll Forward] | ||||||||||
Beginning balance | 4,674 | [1] | 4,461 | |||||||
Acquisitions | 841 | 172 | ||||||||
Impairments | 0 | 0 | ||||||||
Other (1) | [2] | 66 | 41 | |||||||
Ending balance | 5,581 | [1] | 4,674 | [1] | 4,461 | |||||
QTL [Member] | ||||||||||
Goodwill [Roll Forward] | ||||||||||
Beginning balance | 718 | [1] | 718 | |||||||
Acquisitions | 23 | 0 | ||||||||
Impairments | 0 | 0 | ||||||||
Other (1) | [2] | 0 | 0 | |||||||
Ending balance | 741 | [1] | 718 | [1] | 718 | |||||
Nonreportable Segments [Member] | ||||||||||
Goodwill [Roll Forward] | ||||||||||
Beginning balance | 287 | [1] | 300 | |||||||
Acquisitions | 11 | 0 | ||||||||
Impairments | 0 | (17) | ||||||||
Other (1) | [2] | 3 | 4 | |||||||
Ending balance | $ 301 | [1] | $ 287 | [1] | $ 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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