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v3.25.2

Investments - Summary of Available-for-Sale Investments (Details) - USD ($) $ in Millions | Jul. 26, 2025 | Jul. 27, 2024
--- | --- | ---
Schedule of Investments [Line Items] |  |
Amortized Cost | $ 7,473 | $ 10,212
Gross Unrealized Gains | 15 | 7
Gross Unrealized and Credit Losses | (107) | (354)
Fair Value | 7,381 | 9,865
U.S. government securities |  |
Schedule of Investments [Line Items] |  |
Amortized Cost | 1,971 | 2,380
Gross Unrealized Gains | 2 | 1
Gross Unrealized and Credit Losses | (12) | (28)
Fair Value | 1,961 | 2,353
U.S. government agency securities |  |
Schedule of Investments [Line Items] |  |
Amortized Cost | 67 | 223
Gross Unrealized Gains | 0 | 0
Gross Unrealized and Credit Losses | 0 | (2)
Fair Value | 67 | 221
Non-U.S. government and agency securities |  |
Schedule of Investments [Line Items] |  |
Amortized Cost | 458 | 370
Gross Unrealized Gains | 0 | 1
Gross Unrealized and Credit Losses | 0 | 0
Fair Value | 458 | 371
Corporate debt securities |  |
Schedule of Investments [Line Items] |  |
Amortized Cost | 3,138 | 3,818
Gross Unrealized Gains | 13 | 5
Gross Unrealized and Credit Losses | (61) | (146)
Fair Value | 3,090 | 3,677
U.S. agency mortgage-backed securities |  |
Schedule of Investments [Line Items] |  |
Amortized Cost | 320 | 1,959
Gross Unrealized Gains | 0 | 0
Gross Unrealized and Credit Losses | (34) | (178)
Fair Value | 286 | 1,781
Commercial paper |  |
Schedule of Investments [Line Items] |  |
Amortized Cost | 950 | 1,023
Gross Unrealized Gains | 0 | 0
Gross Unrealized and Credit Losses | 0 | 0
Fair Value | 950 | 1,023
Certificates of deposit |  |
Schedule of Investments [Line Items] |  |
Amortized Cost | 569 | 439
Gross Unrealized Gains | 0 | 0
Gross Unrealized and Credit Losses | 0 | 0
Fair Value | $ 569 | $ 439

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