Fair Value of Non-marketable Equity Securities - Schedule of Carrying Value of Non-marketable Equity Securities (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jul. 27, 2025 |
Jul. 28, 2024 |
Jul. 27, 2025 |
Jul. 28, 2024 |
|
| Fair Value Disclosures [Abstract] | ||||
| Balance at beginning of period | $ 3,240 | $ 1,463 | $ 3,387 | $ 1,321 |
| Net additions | 299 | 294 | 948 | 421 |
| Unrealized gains | 267 | 77 | 330 | 92 |
| Reclassification | (5) | 0 | (848) | 0 |
| Impairments and unrealized losses | (2) | (15) | (18) | (15) |
| Balance at end of period | $ 3,799 | $ 1,819 | $ 3,799 | $ 1,819 |