Cash Equivalents and Marketable Securities - Narrative (Details) $ in Billions	12 Months Ended
Jan. 25, 2026 USD ($)
Publicly-held equity securities
Debt Securities, Available-for-sale [Line Items]
Net unrealized gains on investments	$ 6.6

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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+ Details