Fair Value of Non-marketable Equity Securities - Schedule of Carrying Value of Non-marketable Equity Securities (Details) - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Oct. 26, 2025 |
Oct. 27, 2024 |
Oct. 26, 2025 |
Oct. 27, 2024 |
|
| Fair Value Disclosures [Abstract] | ||||
| Balance at beginning of period | $ 3,799 | $ 1,819 | $ 3,387 | $ 1,321 |
| Net additions | 3,704 | 409 | 4,652 | 830 |
| Unrealized gains | 758 | 23 | 1,088 | 115 |
| Reclassification | 0 | 0 | (848) | 0 |
| Impairments and unrealized losses | (74) | (14) | (92) | (29) |
| Balance at end of period | $ 8,187 | $ 2,237 | $ 8,187 | $ 2,237 |