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Cash, Cash Equivalents and Investments - Gain (Loss) on Equity Investments (Details) - USD ($) $ in Millions	12 Months Ended
	Oct. 26, 2025	Oct. 27, 2024	Oct. 29, 2023
Publicly traded equity securities
Unrealized gain	$ 887	$ 332	$ 193
Unrealized loss	(139)	(287)	(44)
Realized gain on sales and dividends	91	5	9
Realized loss on sales or impairment	0	(1)	(4)
Equity investments in privately held companies
Unrealized gain	20	3	15
Unrealized loss	(13)	(17)	(30)
Realized gain on sales and dividends	10	4	9
Realized loss on sales or impairment	(35)	(19)	(121)
Total gain (loss) on equity investments, net	$ 821	$ 20	$ 27

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Equity Securities, FV-NI And Equity Securities without Readily Determinable Fair Value, Gain (Loss)

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Amount of realized gain from sale of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 321
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479536/321-10-50-4

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 321
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479536/321-10-50-4

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+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 321
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479536/321-10-50-4

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Amount of unrealized loss on investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 321
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479536/321-10-50-4

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