v3.25.4
Other Assets - Summary of Future Estimated Amortization Expense Related to Technology Patents and Other Intangible Assets (Detail) - Technology patents and other intangible assets, net - USD ($)
$ in Millions
Jan. 31, 2026
Jan. 31, 2025
Finite-Lived Intangible Assets [Line Items]    
2027 $ 3  
2028 3  
2029 3  
2030 2  
2031 2  
Thereafter 8  
Net Book Value $ 21 $ 25