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Cash, Cash Equivalents and Investments - Gain (Loss) on Equity Investments (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Jul. 27, 2025 | Jul. 28, 2024 | Jul. 27, 2025 | Jul. 28, 2024
Publicly traded equity securities |  |  |  |
Unrealized gain | $ 311 | $ 6 | $ 424 | $ 318
Unrealized loss | 0 | (30) | (139) | (33)
Realized gain on sales and dividends | 5 | 3 | 30 | 5
Realized loss on sales or impairment | 0 | 0 | 0 | (1)
Equity investments in privately held companies |  |  |  |
Unrealized gain | 9 | 1 | 16 | 2
Unrealized loss | (6) | (2) | (13) | (12)
Realized gain on sales and dividends | 1 | 0 | 8 | 3
Realized loss on sales or impairment | (22) | (19) | (27) | (19)
Total gain (loss) on equity investments, net | $ 298 | $ (41) | $ 299 | $ 263

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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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