v3.25.4
Segments and Disaggregated Revenue - Segment Revenues and Long-Lived Assets (Details) - USD ($)
$ in Millions
 12 Months Ended
Jan. 31, 2026
Jan. 31, 2025
Jan. 31, 2024
Revenues from External Customers and Long-Lived Assets [Line Items]      
Revenues $ 713,163 $ 680,985 $ 648,125
Long-lived assets 156,956 139,705 130,338
U.S.      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Revenues 581,175 557,622 532,076
Long-lived assets 128,366 115,250 104,480
Non-U.S. operations      
Revenues from External Customers and Long-Lived Assets [Line Items]      
Revenues 131,988 123,363 116,049
Long-lived assets $ 28,590 $ 24,455 $ 25,858