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v3.25.3

Investments - Summary of Available-for-Sale Debt Investments (Details) - USD ($) $ in Millions | Oct. 25, 2025 | Jul. 26, 2025
--- | --- | ---
Debt Securities, Available-for-sale [Line Items] |  |
Amortized Cost | $ 6,984 | $ 7,473
Gross Unrealized Gains | 22 | 15
Gross Unrealized and Credit Losses | (64) | (107)
Fair Value | 6,942 | 7,381
U.S. government securities |  |
Debt Securities, Available-for-sale [Line Items] |  |
Amortized Cost | 1,637 | 1,971
Gross Unrealized Gains | 7 | 2
Gross Unrealized and Credit Losses | (4) | (12)
Fair Value | 1,640 | 1,961
U.S. government agency securities |  |
Debt Securities, Available-for-sale [Line Items] |  |
Amortized Cost | 49 | 67
Gross Unrealized Gains | 0 | 0
Gross Unrealized and Credit Losses | 0 | 0
Fair Value | 49 | 67
Non-U.S. government and agency securities |  |
Debt Securities, Available-for-sale [Line Items] |  |
Amortized Cost | 409 | 458
Gross Unrealized Gains | 1 | 0
Gross Unrealized and Credit Losses | 0 | 0
Fair Value | 410 | 458
Corporate debt securities |  |
Debt Securities, Available-for-sale [Line Items] |  |
Amortized Cost | 2,979 | 3,138
Gross Unrealized Gains | 14 | 13
Gross Unrealized and Credit Losses | (44) | (61)
Fair Value | 2,949 | 3,090
Mortgage- and asset-backed securities |  |
Debt Securities, Available-for-sale [Line Items] |  |
Amortized Cost | 270 | 320
Gross Unrealized Gains | 0 | 0
Gross Unrealized and Credit Losses | (16) | (34)
Fair Value | 254 | 286
Commercial paper |  |
Debt Securities, Available-for-sale [Line Items] |  |
Amortized Cost | 884 | 950
Gross Unrealized Gains | 0 | 0
Gross Unrealized and Credit Losses | 0 | 0
Fair Value | 884 | 950
Certificates of deposit |  |
Debt Securities, Available-for-sale [Line Items] |  |
Amortized Cost | 756 | 569
Gross Unrealized Gains | 0 | 0
Gross Unrealized and Credit Losses | 0 | 0
Fair Value | $ 756 | $ 569

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- Definition Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-2 + Details
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