Cash, Cash Equivalents and Investments - Summary of Contractual Maturity (Details) $ in Millions	Jan. 26, 2025 USD ($)
Contractual maturities of investments
Due in one year or less, cost	$ 1,889
Due after one through five years, cost	1,191
Due after five years, cost	3
No single maturity date, cost	1,446
Total short-term and long-term investments cost	4,529
Due in one year or less, estimated fair value	1,888
Due after one through five years, estimated fair value	1,189
Due after five years, estimated fair value	3
No single maturity date, estimated fair value	1,555
Estimated fair value of short-term and long-term investments	$ 4,635

Contractual maturities of investments Abstract.

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Debt and Equity Securities, FV-NI, And Equity Securities Without A Readily Determinable Fair Value, Cost

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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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Amortized cost 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 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).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Amortized cost 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 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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+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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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.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 820
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