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Amortizable Intangible Assets (Tables) | 9 Months Ended
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Oct. 27, 2019
Goodwill and Intangible Assets Disclosure [Abstract] |
Amortizable Intangible Assets Components | The components of our amortizable intangible assets are as follows:
| October 27, 2019 |  | January 27, 2019
| Gross Carrying Amount |  | Accumulated Amortization |  | Net Carrying Amount |  | Gross Carrying Amount |  | Accumulated Amortization |  | Net Carrying Amount
| (In millions) |  | (In millions)
Acquisition-related intangible assets | $ | 195 |  |  | $ | (191 | ) |  | $ | 4 |  |  | $ | 195 |  |  | $ | (188 | ) |  | $ | 7 |
Patents and licensed technology | 508 |  |  | (469 | ) |  | 39 |  |  | 491 |  |  | (453 | ) |  | 38 |
Total intangible assets | $ | 703 |  |  | $ | (660 | ) |  | $ | 43 |  |  | $ | 686 |  |  | $ | (641 | ) |  | $ | 45 |

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- Definition Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance with a finite life, by either major class or business segment. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275 + Details
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