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Cash Equivalents, Investments and Strategic Investments - Schedule of Fair Value Measurements (Details) - USD ($)
$ in Thousands
Jul. 31, 2025
Jan. 31, 2025
Investments, Debt and Equity Securities [Abstract]    
Non-marketable equity securities under Measurement Alternative $ 325,936 $ 281,158
Non-marketable equity securities under equity method 5,707 5,491
Total strategic investments—included in other assets $ 351,028 $ 301,232