Composition of Certain Financial Statement Items Goodwill (Details) - USD ($) $ in Millions |
12 Months Ended | ||||||
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Sep. 27, 2020 |
Sep. 29, 2019 |
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Goodwill [Roll Forward] | |||||||
Beginning balance | $ 6,282 | [1] | $ 6,498 | ||||
Acquisitions | 18 | ||||||
Impairments | (146) | ||||||
Other | [2] | 41 | (88) | ||||
Ending balance | [1] | 6,323 | 6,282 | ||||
Cumulative goodwill impairments | 812 | 812 | |||||
QCT [Member] | |||||||
Goodwill [Roll Forward] | |||||||
Beginning balance | 5,565 | [1] | 5,587 | ||||
Acquisitions | 18 | ||||||
Impairments | 0 | ||||||
Other | [2] | 40 | (40) | ||||
Ending balance | [1] | 5,605 | 5,565 | ||||
QTL [Member] | |||||||
Goodwill [Roll Forward] | |||||||
Beginning balance | 717 | [1] | 718 | ||||
Acquisitions | 0 | ||||||
Impairments | 0 | ||||||
Other | [2] | 1 | (1) | ||||
Ending balance | [1] | 718 | 717 | ||||
Nonreportable Segments [Member] | |||||||
Goodwill [Roll Forward] | |||||||
Beginning balance | 0 | [1] | 193 | ||||
Acquisitions | 0 | ||||||
Impairments | (146) | ||||||
Other | [2] | 0 | (47) | ||||
Ending balance | [1] | $ 0 | $ 0 | ||||
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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/disclosureRef
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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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