Fair Value of Financial Assets and Liabilities and Non-marketable Equity Securities - Cumulative Gross (Details) - USD ($) $ in Millions |
3 Months Ended | |
|---|---|---|
Jan. 26, 2025 |
Jan. 28, 2024 |
|
| Other Investment Not Readily Marketable [Line Items] | ||
| Cumulative gross unrealized gains | $ 1,100 | $ 270 |
| Cumulative gross losses and impairments | 105 | $ 45 |
| A Private Company Investment | ||
| Other Investment Not Readily Marketable [Line Items] | ||
| Unrealized gain on secondary equity transaction | $ 565 |