Financial Instruments - Schedule of Investments Classified by Contractual Maturity Date (Details) $ in Millions	Oct. 31, 2025 USD ($)
Investments, All Other Investments [Abstract]
Due within 1 year	$ 267
Due after 1 year through 5 years	314
Due after 5 years through 10 years	15
Due after 10 years	6
Total	$ 602

Fair value of investment in debt security measured at amortized cost (held-to-maturity), 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 of investment in debt security measured at amortized cost (held-to-maturity), with single maturity date and allocated without single maturity date, maturing in second through fifth 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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