Fair Value of Financial Assets and Non-marketable Equity Securities - Narrative (Details) - USD ($) $ in Millions |
3 Months Ended | |
|---|---|---|
Apr. 27, 2025 |
Apr. 28, 2024 |
|
| Fair Value Disclosures [Abstract] | ||
| Non-marketable equity securities reclassified | $ 843 | $ 0 |
| Cumulative gross unrealized gains | 396 | 285 |
| Cumulative gross losses and impairments | $ 110 | $ 45 |