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Cash, Cash Equivalents and Investments - Gain (Loss) on Equity Investments (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Apr. 28, 2024 | Apr. 30, 2023 | Apr. 28, 2024 | Apr. 30, 2023
Gain (Loss) on Securities [Line Items] |  |  |  |
Total gain (loss) on equity investments, net | $ 23 | $ (128) | $ 304 | $ (120)
Publicly traded equity securities |  |  |  |
Gain (Loss) on Securities [Line Items] |  |  |  |
Unrealized gain | 25 | 1 | 312 | 19
Unrealized loss | (1) | (11) | (3) | (27)
Realized gain on sales and dividends | 2 | 1 | 2 | 1
Realized loss on sales or impairment | 0 | (1) | (1) | (2)
Equity investments in privately held companies |  |  |  |
Gain (Loss) on Securities [Line Items] |  |  |  |
Unrealized gain | 0 | 8 | 1 | 12
Unrealized loss | (4) | (9) | (10) | (11)
Realized gain on sales and dividends | 1 | 0 | 3 | 5
Realized loss on sales or impairment | $ 0 | $ (117) | $ 0 | $ (117)

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- Definition Amount of unrealized and realized gain (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 944 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04(3)(d)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483586/944-220-S99-1 Reference 2: 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 + Details
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- Definition 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 + Details
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- Definition Amount of realized loss 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 + Details
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