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Acquired Intangible Assets | 3 Months Ended
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Dec. 30, 2017
Goodwill and Intangible Assets Disclosure [Abstract] |
Acquired Intangible Assets | Acquired Intangible Assets The Company’s acquired intangible assets with definite useful lives primarily consist of patents and licenses. The following table summarizes the components of acquired intangible asset balances as of December 30, 2017 and September 30, 2017 (in millions):
| December 30, 2017 |  | September 30, 2017
| Gross Carrying Amount |  | Accumulated Amortization |  | Net Carrying Amount |  | Gross Carrying Amount |  | Accumulated Amortization |  | Net Carrying Amount
Definite-lived and amortizable acquired intangible assets | $ | 7,540 |  |  | $ | (5,491 | ) |  | $ | 2,049 |  |  | $ | 7,507 |  |  | $ | (5,309 | ) |  | $ | 2,198 |
Indefinite-lived and non-amortizable acquired intangible assets | 100 |  |  | — |  |  | 100 |  |  | 100 |  |  | — |  |  | 100 |
Total acquired intangible assets | $ | 7,640 |  |  | $ | (5,491 | ) |  | $ | 2,149 |  |  | $ | 7,607 |  |  | $ | (5,309 | ) |  | $ | 2,298 |

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- Definition The entire disclosure for all or part of the information related to intangible assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -URI http://asc.fasb.org/topic&trid=2144416 + Details
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