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Fair Value - Assets and Liabilities Measured at Fair Value on Recurring Basis (Details) - USD ($) $ in Millions | Oct. 26, 2024 | Jul. 27, 2024
--- | --- | ---
Assets: |  |
Available-for-sale debt investments: | $ 9,194 | $ 9,865
Marketable equity securities | 412 | 481
Derivative assets | 61 | 64
Total | 16,793 | 15,564
Liabilities: |  |
Derivative liabilities | 72 | 74
Total | 72 | 74
Money market funds |  |
Assets: |  |
Other current assets: | 750 | 750
Other assets: | 375 | 563
U.S. government securities |  |
Assets: |  |
Available-for-sale debt investments: | 2,368 | 2,353
U.S. government agency securities |  |
Assets: |  |
Available-for-sale debt investments: | 153 | 221
Non-U.S. government and agency securities |  |
Assets: |  |
Available-for-sale debt investments: | 389 | 371
Corporate debt securities |  |
Assets: |  |
Available-for-sale debt investments: | 3,512 | 3,677
U.S. agency mortgage-backed securities |  |
Assets: |  |
Available-for-sale debt investments: | 905 | 1,781
Commercial paper |  |
Assets: |  |
Available-for-sale debt investments: | 1,193 | 1,023
Certificates of deposit |  |
Assets: |  |
Available-for-sale debt investments: | 674 | 439
Money market funds |  |
Assets: |  |
Cash equivalents: | 5,871 | 3,334
Commercial paper |  |
Assets: |  |
Cash equivalents: | 112 | 468
Corporate debt securities |  |
Assets: |  |
Cash equivalents: | 18 | 25
Certificates of deposit |  |
Assets: |  |
Cash equivalents: | 0 | 14
Level 1 |  |
Assets: |  |
Marketable equity securities | 412 | 481
Derivative assets | 0 | 0
Total | 7,408 | 5,128
Liabilities: |  |
Derivative liabilities | 0 | 0
Total | 0 | 0
Level 1 | Money market funds |  |
Assets: |  |
Other current assets: | 750 | 750
Other assets: | 375 | 563
Level 1 | U.S. government securities |  |
Assets: |  |
Available-for-sale debt investments: | 0 | 0
Level 1 | U.S. government agency securities |  |
Assets: |  |
Available-for-sale debt investments: | 0 | 0
Level 1 | Non-U.S. government and agency securities |  |
Assets: |  |
Available-for-sale debt investments: | 0 | 0
Level 1 | Corporate debt securities |  |
Assets: |  |
Available-for-sale debt investments: | 0 | 0
Level 1 | U.S. agency mortgage-backed securities |  |
Assets: |  |
Available-for-sale debt investments: | 0 | 0
Level 1 | Commercial paper |  |
Assets: |  |
Available-for-sale debt investments: | 0 | 0
Level 1 | Certificates of deposit |  |
Assets: |  |
Available-for-sale debt investments: | 0 | 0
Level 1 | Money market funds |  |
Assets: |  |
Cash equivalents: | 5,871 | 3,334
Level 1 | Commercial paper |  |
Assets: |  |
Cash equivalents: | 0 | 0
Level 1 | Corporate debt securities |  |
Assets: |  |
Cash equivalents: | 0 | 0
Level 1 | Certificates of deposit |  |
Assets: |  |
Cash equivalents: | 0 | 0
Level 2 |  |
Assets: |  |
Marketable equity securities | 0 | 0
Derivative assets | 61 | 64
Total | 9,385 | 10,436
Liabilities: |  |
Derivative liabilities | 72 | 74
Total | 72 | 74
Level 2 | Money market funds |  |
Assets: |  |
Other current assets: | 0 | 0
Other assets: | 0 | 0
Level 2 | U.S. government securities |  |
Assets: |  |
Available-for-sale debt investments: | 2,368 | 2,353
Level 2 | U.S. government agency securities |  |
Assets: |  |
Available-for-sale debt investments: | 153 | 221
Level 2 | Non-U.S. government and agency securities |  |
Assets: |  |
Available-for-sale debt investments: | 389 | 371
Level 2 | Corporate debt securities |  |
Assets: |  |
Available-for-sale debt investments: | 3,512 | 3,677
Level 2 | U.S. agency mortgage-backed securities |  |
Assets: |  |
Available-for-sale debt investments: | 905 | 1,781
Level 2 | Commercial paper |  |
Assets: |  |
Available-for-sale debt investments: | 1,193 | 1,023
Level 2 | Certificates of deposit |  |
Assets: |  |
Available-for-sale debt investments: | 674 | 439
Level 2 | Money market funds |  |
Assets: |  |
Cash equivalents: | 0 | 0
Level 2 | Commercial paper |  |
Assets: |  |
Cash equivalents: | 112 | 468
Level 2 | Corporate debt securities |  |
Assets: |  |
Cash equivalents: | 18 | 25
Level 2 | Certificates of deposit |  |
Assets: |  |
Cash equivalents: | $ 0 | $ 14

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