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Amortizable Intangible Assets | 3 Months Ended
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Apr. 26, 2020
Goodwill and Intangible Assets Disclosure [Abstract] |
Amortizable Intangible Assets | Amortizable Intangible Assets The components of our amortizable intangible assets are as follows:
| April 26, 2020 |  |  |  |  |  | January 26, 2020 |  |  |  |
| Gross Carrying Amount |  | Accumulated Amortization |  | Net Carrying Amount |  | Gross Carrying Amount |  | Accumulated Amortization |  | Net Carrying Amount
| (In millions) |  |  |  |  |  | (In millions) |  |  |  |
Acquisition-related intangible assets | $ | 231 |  |  | $ | (195) |  |  | $ | 36 |  |  | $ | 195 |  |  | $ | (192) |  |  | $ | 3 |
Patents and licensed technology | 522 |  |  | (478) |  |  | 44 |  |  | 520 |  |  | (474) |  |  | 46 |
Total intangible assets | $ | 753 |  |  | $ | (673) |  |  | $ | 80 |  |  | $ | 715 |  |  | $ | (666) |  |  | $ | 49 |
Amortization expense associated with intangible assets was $7 million for both the first quarters of fiscal years 2021 and 2020. Future amortization expense related to the net carrying amount of intangible assets as of April 26, 2020 is estimated to be $20 million for the remainder of fiscal year 2021, $21 million in fiscal year 2022, $18 million in fiscal year 2023, $12 million in fiscal year 2024, $7 million in fiscal year 2025, and $2 million in fiscal year 2026 and thereafter.

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