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Fair Value Measurements - Assets Measured at Fair Value (Details) - USD ($) $ in Millions | Jul. 27, 2025 | Oct. 27, 2024 | Jul. 28, 2024
--- | --- | --- | ---
Assets: |  |  |
Restricted cash equivalents included in deferred income taxes and other assets | $ 70 |  | $ 90
Money market funds |  |  |
Assets: |  |  |
Restricted cash equivalents included in deferred income taxes and other assets | 70 | $ 91 |
Bank certificates of deposit and time deposits |  |  |
Assets: |  |  |
Available-for-sale debt security investments | 6 | 13 |
U.S. Treasury and agency securities |  |  |
Assets: |  |  |
Available-for-sale debt security investments | 1,579 | 1,304 |
Non-U.S. government securities |  |  |
Assets: |  |  |
Available-for-sale debt security investments | 5 | 5 |
Municipal securities |  |  |
Assets: |  |  |
Available-for-sale debt security investments | 467 | 441 |
Commercial paper, corporate bonds and medium-term notes |  |  |
Assets: |  |  |
Available-for-sale debt security investments | 834 | 805 |
Asset-backed and mortgage-backed securities |  |  |
Assets: |  |  |
Available-for-sale debt security investments | 623 | 654 |
Publicly traded equity securities |  |  |
Assets: |  |  |
Equity investments with readily determinable values | 1,903 | 723 |
Recurring Fair Value Measurements |  |  |
Assets: |  |  |
Available-for-sale debt security investments | 7,531 | 10,022 |
Equity investments with readily determinable values | 1,903 | 723 |
Total | 9,434 | 10,745 |
Recurring Fair Value Measurements | Money market funds |  |  |
Assets: |  |  |
Available-for-sale debt security investments | 994 | 3,512 |
Recurring Fair Value Measurements | Bank certificates of deposit and time deposits |  |  |
Assets: |  |  |
Available-for-sale debt security investments | 66 | 103 |
Recurring Fair Value Measurements | U.S. Treasury and agency securities |  |  |
Assets: |  |  |
Available-for-sale debt security investments | 2,693 | 2,698 |
Recurring Fair Value Measurements | Non-U.S. government securities |  |  |
Assets: |  |  |
Available-for-sale debt security investments | 5 | 5 |
Recurring Fair Value Measurements | Municipal securities |  |  |
Assets: |  |  |
Available-for-sale debt security investments | 501 | 460 |
Recurring Fair Value Measurements | Commercial paper, corporate bonds and medium-term notes |  |  |
Assets: |  |  |
Available-for-sale debt security investments | 2,649 | 2,590 |
Recurring Fair Value Measurements | Asset-backed and mortgage-backed securities |  |  |
Assets: |  |  |
Available-for-sale debt security investments | 623 | 654 |
Recurring Fair Value Measurements | Publicly traded equity securities |  |  |
Assets: |  |  |
Equity investments with readily determinable values | 1,903 | 723 |
Recurring Fair Value Measurements | Level 1 |  |  |
Assets: |  |  |
Available-for-sale debt security investments | 3,494 | 6,196 |
Equity investments with readily determinable values | 1,903 | 723 |
Total | 5,397 | 6,919 |
Recurring Fair Value Measurements | Level 1 | Money market funds |  |  |
Assets: |  |  |
Available-for-sale debt security investments | 994 | 3,512 |
Recurring Fair Value Measurements | Level 1 | Bank certificates of deposit and time deposits |  |  |
Assets: |  |  |
Available-for-sale debt security investments | 0 | 0 |
Recurring Fair Value Measurements | Level 1 | U.S. Treasury and agency securities |  |  |
Assets: |  |  |
Available-for-sale debt security investments | 2,500 | 2,684 |
Recurring Fair Value Measurements | Level 1 | Non-U.S. government securities |  |  |
Assets: |  |  |
Available-for-sale debt security investments | 0 | 0 |
Recurring Fair Value Measurements | Level 1 | Municipal securities |  |  |
Assets: |  |  |
Available-for-sale debt security investments | 0 | 0 |
Recurring Fair Value Measurements | Level 1 | Commercial paper, corporate bonds and medium-term notes |  |  |
Assets: |  |  |
Available-for-sale debt security investments | 0 | 0 |
Recurring Fair Value Measurements | Level 1 | Asset-backed and mortgage-backed securities |  |  |
Assets: |  |  |
Available-for-sale debt security investments | 0 | 0 |
Recurring Fair Value Measurements | Level 1 | Publicly traded equity securities |  |  |
Assets: |  |  |
Equity investments with readily determinable values | 1,903 | 723 |
Recurring Fair Value Measurements | Level 2 |  |  |
Assets: |  |  |
Available-for-sale debt security investments | 4,037 | 3,826 |
Equity investments with readily determinable values | 0 | 0 |
Total | 4,037 | 3,826 |
Recurring Fair Value Measurements | Level 2 | Money market funds |  |  |
Assets: |  |  |
Available-for-sale debt security investments | 0 | 0 |
Recurring Fair Value Measurements | Level 2 | Bank certificates of deposit and time deposits |  |  |
Assets: |  |  |
Available-for-sale debt security investments | 66 | 103 |
Recurring Fair Value Measurements | Level 2 | U.S. Treasury and agency securities |  |  |
Assets: |  |  |
Available-for-sale debt security investments | 193 | 14 |
Recurring Fair Value Measurements | Level 2 | Non-U.S. government securities |  |  |
Assets: |  |  |
Available-for-sale debt security investments | 5 | 5 |
Recurring Fair Value Measurements | Level 2 | Municipal securities |  |  |
Assets: |  |  |
Available-for-sale debt security investments | 501 | 460 |
Recurring Fair Value Measurements | Level 2 | Commercial paper, corporate bonds and medium-term notes |  |  |
Assets: |  |  |
Available-for-sale debt security investments | 2,649 | 2,590 |
Recurring Fair Value Measurements | Level 2 | Asset-backed and mortgage-backed securities |  |  |
Assets: |  |  |
Available-for-sale debt security investments | 623 | 654 |
Recurring Fair Value Measurements | Level 2 | Publicly traded equity securities |  |  |
Assets: |  |  |
Equity investments with readily determinable values | $ 0 | $ 0 |

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