v3.26.1
Investments - Schedule of Strategic Investments (Details) - USD ($)
$ in Millions
Apr. 30, 2026
Jan. 31, 2026
Investment Holdings [Line Items]    
Strategic investments $ 7,772 $ 7,591
Equity securities    
Investment Holdings [Line Items]    
Strategic investments 7,732 7,547
Other investments    
Investment Holdings [Line Items]    
Strategic investments 40 44
Fair Value    
Investment Holdings [Line Items]    
Strategic investments 3 5
Fair Value | Equity securities    
Investment Holdings [Line Items]    
Strategic investments 3 5
Fair Value | Other investments    
Investment Holdings [Line Items]    
Strategic investments 0 0
Measurement Alternative    
Investment Holdings [Line Items]    
Strategic investments 7,612 7,415
Measurement Alternative | Equity securities    
Investment Holdings [Line Items]    
Strategic investments 7,612 7,415
Measurement Alternative | Other investments    
Investment Holdings [Line Items]    
Strategic investments 0 0
Other    
Investment Holdings [Line Items]    
Strategic investments 157 171
Other | Equity securities    
Investment Holdings [Line Items]    
Strategic investments 117 127
Other | Other investments    
Investment Holdings [Line Items]    
Strategic investments $ 40 $ 44