v3.22.0.1
Amortizable Intangible Assets
 12 Months Ended
Jan. 30, 2022
Goodwill and Intangible Assets Disclosure [Abstract]  
Amortizable Intangible Assets Amortizable Intangible Assets
The components of our amortizable intangible assets are as follows:
 January 30, 2022January 31, 2021
 
Gross
Carrying
Amount
Accumulated
Amortization		Net 
Carrying
Amount
Gross
Carrying
Amount
Accumulated
Amortization		Net 
Carrying
Amount
 (In millions)(In millions)
Acquisition-related intangible assets (1)$3,418 $(1,304)$2,114 $3,280 $(774)$2,506 
Patents and licensed technology717 (492)225 706 (475)231 
Total intangible assets$4,135 $(1,796)$2,339 $3,986 $(1,249)$2,737 
(1)    As of January 30, 2022, acquisition-related intangible assets include the fair value of a Mellanox in-process research and development project of $630 million, which has not yet commenced amortization.
Amortization expense associated with intangible assets for fiscal years 2022, 2021, and 2020 was $563 million, $612 million, and $25 million, respectively. Future amortization expense related to the net carrying amount of intangible assets, excluding in-process research and development, as of January 30, 2022 is estimated to be $585 million in fiscal year 2023, $461 million in fiscal year 2024, $405 million in fiscal year 2025, $121 million in fiscal year 2026, $16 million in fiscal year 2027, and $121 million in fiscal year 2028 and thereafter.