v3.26.1
Cash Equivalents and Investments - Schedule of Contractual Maturities of Short-term Investments (Details) - USD ($)
$ in Millions
Jul. 31, 2026
Jan. 31, 2026
Estimated Fair Value    
Due within one year $ 1,090  
Due between one to five years 446  
Estimated fair value $ 1,536 $ 1,695