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Goodwill and Purchased Intangible Assets - Schedule of Purchased Intangible Assets With Finite and Indefinite Lives (Details) - USD ($) $ in Millions | Jan. 23, 2021 | Jul. 25, 2020
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Purchased intangible assets with finite lives: |  |
Gross | $ 3,411 | $ 4,084
Accumulated Amortization | (2,109) | (2,721)
Total purchased intangible assets with finite lives, net | 1,302 | 1,363
In-process research and development, with indefinite lives | 160 | 213
Total finite and indefinite lives intangible assets, gross | 3,571 | 4,297
Total finite and indefinite lives intangible assets, net | 1,462 | 1,576
Technology |  |
Purchased intangible assets with finite lives: |  |
Gross | 2,625 | 3,298
Accumulated Amortization | (1,700) | (2,336)
Total purchased intangible assets with finite lives, net | 925 | 962
Customer relationships |  |
Purchased intangible assets with finite lives: |  |
Gross | 773 | 760
Accumulated Amortization | (404) | (365)
Total purchased intangible assets with finite lives, net | 369 | 395
Other |  |
Purchased intangible assets with finite lives: |  |
Gross | 13 | 26
Accumulated Amortization | (5) | (20)
Total purchased intangible assets with finite lives, net | $ 8 | $ 6

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