v3.26.1
Intangible Assets Acquired Through Business Combinations and Goodwill - Summary of Intangible Assets Acquired From Business Combinations (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jul. 31, 2026
Jul. 31, 2025
Jul. 31, 2026
Jul. 31, 2025
Finite-lived Intangible Assets [Roll Forward]        
Intangible assets, gross, beginning balance     $ 14,139  
Additions and retirements, net     410  
Intangible assets, gross, ending balance $ 14,549   14,549  
Accumulated amortization, beginning balance     (7,324)  
Expense and retirements, net     (1,083)  
Accumulated amortization, ending balance (8,407)   (8,407)  
Intangible assets, net, beginning balance     6,815  
Intangible assets, net, ending balance 6,142   $ 6,142  
Weighted Average Remaining Useful Life (Years)     5 years 3 months 18 days  
Amortization of intangible assets 522 $ 380 $ 1,100 $ 775
Acquired developed technology        
Finite-lived Intangible Assets [Roll Forward]        
Intangible assets, gross, beginning balance     4,796  
Additions and retirements, net     275  
Intangible assets, gross, ending balance 5,071   5,071  
Accumulated amortization, beginning balance     (2,407)  
Expense and retirements, net     (478)  
Accumulated amortization, ending balance (2,885)   (2,885)  
Intangible assets, net, beginning balance     2,389  
Intangible assets, net, ending balance 2,186   $ 2,186  
Weighted Average Remaining Useful Life (Years)     4 years 4 months 24 days  
Customer relationships        
Finite-lived Intangible Assets [Roll Forward]        
Intangible assets, gross, beginning balance     $ 8,659  
Additions and retirements, net     124  
Intangible assets, gross, ending balance 8,783   8,783  
Accumulated amortization, beginning balance     (4,640)  
Expense and retirements, net     (491)  
Accumulated amortization, ending balance (5,131)   (5,131)  
Intangible assets, net, beginning balance     4,019  
Intangible assets, net, ending balance 3,652   $ 3,652  
Weighted Average Remaining Useful Life (Years)     6 years 2 months 12 days  
Other        
Finite-lived Intangible Assets [Roll Forward]        
Intangible assets, gross, beginning balance     $ 684  
Additions and retirements, net     11  
Intangible assets, gross, ending balance 695   695  
Accumulated amortization, beginning balance     (277)  
Expense and retirements, net     (114)  
Accumulated amortization, ending balance (391)   (391)  
Intangible assets, net, beginning balance     407  
Intangible assets, net, ending balance $ 304   $ 304  
Weighted Average Remaining Useful Life (Years)     1 year 7 months 6 days