v3.25.4
Investments - Components of Gains and Losses on Strategic Investments (Details) - USD ($)
$ in Millions
12 Months Ended
Jan. 31, 2026
Jan. 31, 2025
Jan. 31, 2024
Investment Holdings [Line Items]      
Unrealized gains (losses) recognized, net $ 970 $ (240) $ (318)
Realized gains (losses) on sales of securities, net 47 119 41
Gains (losses) on strategic investments, net 1,017 (121) (277)
Publicly traded equity securities      
Investment Holdings [Line Items]      
Unrealized gains (losses) recognized, net (4) (16) 29
Privately held equity securities      
Investment Holdings [Line Items]      
Unrealized gains (losses) recognized, net 1,470 358 119
Privately held equity and other investments      
Investment Holdings [Line Items]      
Impairments on privately held equity securities and other investments $ (496) $ (582) $ (466)