Non-marketable Equity Securities - Carrying Value of Non-marketable Equity Securities (Details) - USD ($) $ in Millions	12 Months Ended
Jan. 25, 2026	Jan. 26, 2025
Investments, Debt and Equity Securities [Abstract]
Balance at beginning of period	$ 3,387	$ 1,321
Net additions	17,444	1,309
Unrealized gains	2,369	816
Reclassification	(848)	0
Impairments and unrealized losses	(101)	(59)
Balance at end of period	$ 22,251	$ 3,387

Equity Securities Without Readily Determinable Fair Value, Impairment Loss And Downward Price Adjustment, Annual Amount

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- Definition

Equity Securities Without Readily Determinable Fair Value, Net Additions (Disposals)

+ References

No definition available.

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- Definition

Equity Securities Without Readily Determinable Fair Value, Reclassification In (Out), Amount

+ References

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- Definition

Amount of investment in equity security without readily determinable fair value.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 321
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479536/321-10-50-3

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- Definition

Amount of gain from upward price adjustment on investment in equity security without readily determinable fair value.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 321
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479536/321-10-50-3

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- References

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