Cash, Cash Equivalents and Investments - Summary of Contractual Maturity (Details) - USD ($) $ in Millions	Jan. 25, 2026	Oct. 26, 2025
Contractual maturities of investments
Due in one year or less, cost	$ 1,243
Due after one through five years, cost	1,488
Due after five years, cost	5
No single maturity date, cost	2,201
Total short-term and long-term investments cost	4,937	$ 4,793
Due in one year or less, estimated fair value	1,244
Due after one through five years, estimated fair value	1,497
Due after five years, estimated fair value	5
No single maturity date, estimated fair value	3,515
Total short-term and long-term investments, fair value	$ 6,261	$ 5,659

Contractual maturities of investments Abstract.

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Equity And Debt Securities, Maturity, Without Single Maturity Date, Amortized Cost

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Equity And Debt Securities, Maturity, Without Single Maturity Date, Fair Value

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Investments, Cost

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Fair value of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in sixth through tenth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Fair value portion of investment securities, including, but not limited to, marketable securities, derivative financial instruments, and investments accounted for under the equity method.

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