Property and Equipment, Net - Summary of Property and Equipment, Net (Detail) - USD ($) $ in Millions |
Jan. 31, 2026 |
Jan. 31, 2025 |
|---|---|---|
| Property, Plant and Equipment [Line Items] | ||
| Property and equipment, gross | $ 2,495 | $ 2,563 |
| Less accumulated depreciation and amortization | (1,402) | (1,324) |
| Property and equipment, net | 1,093 | 1,239 |
| Computers, equipment, and software | ||
| Property, Plant and Equipment [Line Items] | ||
| Property and equipment, gross | 1,285 | 1,370 |
| Buildings | ||
| Property, Plant and Equipment [Line Items] | ||
| Property and equipment, gross | 690 | 752 |
| Leasehold improvements | ||
| Property, Plant and Equipment [Line Items] | ||
| Property and equipment, gross | 334 | 252 |
| Furniture, fixtures, and transportation equipment | ||
| Property, Plant and Equipment [Line Items] | ||
| Property and equipment, gross | 112 | 108 |
| Land and land improvements | ||
| Property, Plant and Equipment [Line Items] | ||
| Property and equipment, gross | $ 74 | $ 81 |