Composition of Certain Financial Statement Items Goodwill (Details) - USD ($) $ in Millions |
12 Months Ended | |||||||
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Sep. 30, 2018 |
Sep. 24, 2017 |
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Goodwill [Roll Forward] | ||||||||
Beginning balance | $ 6,623 | [1] | $ 5,679 | |||||
Acquisitions | 0 | 875 | ||||||
Impairments | (129) | |||||||
Other (1) | [2] | 4 | 69 | |||||
Ending balance | [1] | 6,498 | 6,623 | |||||
Cumulative goodwill impairments | 666 | 537 | ||||||
QCT [Member] | ||||||||
Goodwill [Roll Forward] | ||||||||
Beginning balance | 5,581 | [1] | 4,674 | |||||
Acquisitions | 0 | 841 | ||||||
Impairments | 0 | |||||||
Other (1) | [2] | 6 | 66 | |||||
Ending balance | [1] | 5,587 | 5,581 | |||||
QTL [Member] | ||||||||
Goodwill [Roll Forward] | ||||||||
Beginning balance | 741 | [1] | 718 | |||||
Acquisitions | 0 | 23 | ||||||
Impairments | (22) | |||||||
Other (1) | [2] | (1) | 0 | |||||
Ending balance | [1] | 718 | 741 | |||||
Nonreportable Segments [Member] | ||||||||
Goodwill [Roll Forward] | ||||||||
Beginning balance | 301 | [1] | 287 | |||||
Acquisitions | 0 | 11 | ||||||
Impairments | (107) | |||||||
Other (1) | [2] | (1) | 3 | |||||
Ending balance | [1] | $ 193 | $ 301 | |||||
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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://fasb.org/us-gaap/role/ref/legacyRef
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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://fasb.org/us-gaap/role/ref/legacyRef
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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/disclosureRef
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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://fasb.org/us-gaap/role/ref/legacyRef
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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://fasb.org/us-gaap/role/ref/legacyRef
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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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