v3.24.3
Intangible Assets Acquired Through Business Combinations and Goodwill - Summary of Intangible Assets Acquired From Business Combinations (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Oct. 31, 2024
Oct. 31, 2023
Oct. 31, 2024
Oct. 31, 2023
Finite-lived Intangible Assets [Roll Forward]        
Intangible assets, gross, beginning balance     $ 11,601  
Additions and retirements, net     110  
Intangible assets, gross, ending balance $ 11,711   11,711  
Accumulated amortization, beginning balance     (6,323)  
Expense and retirements, net     (1,269)  
Accumulated amortization, ending balance (7,592)   (7,592)  
Intangible assets, net, beginning balance     5,278  
Intangible assets, net, ending balance 4,119   $ 4,119  
Weighted Average Remaining Useful Life (Years)     3 years 6 months  
Amortization of intangible assets 354 $ 468 $ 1,300 $ 1,400
Developed technology        
Finite-lived Intangible Assets [Roll Forward]        
Intangible assets, gross, beginning balance     4,624  
Additions and retirements, net     102  
Intangible assets, gross, ending balance 4,726   4,726  
Accumulated amortization, beginning balance     (3,208)  
Expense and retirements, net     (600)  
Accumulated amortization, ending balance (3,808)   (3,808)  
Intangible assets, net, beginning balance     1,416  
Intangible assets, net, ending balance 918   $ 918  
Weighted Average Remaining Useful Life (Years)     1 year 7 months 6 days  
Customer relationships        
Finite-lived Intangible Assets [Roll Forward]        
Intangible assets, gross, beginning balance     $ 6,674  
Additions and retirements, net     8  
Intangible assets, gross, ending balance 6,682   6,682  
Accumulated amortization, beginning balance     (2,985)  
Expense and retirements, net     (632)  
Accumulated amortization, ending balance (3,617)   (3,617)  
Intangible assets, net, beginning balance     3,689  
Intangible assets, net, ending balance 3,065   $ 3,065  
Weighted Average Remaining Useful Life (Years)     4 years 1 month 6 days  
Other        
Finite-lived Intangible Assets [Roll Forward]        
Intangible assets, gross, beginning balance     $ 303  
Additions and retirements, net     0  
Intangible assets, gross, ending balance 303   303  
Accumulated amortization, beginning balance     (130)  
Expense and retirements, net     (37)  
Accumulated amortization, ending balance (167)   (167)  
Intangible assets, net, beginning balance     173  
Intangible assets, net, ending balance $ 136   $ 136  
Weighted Average Remaining Useful Life (Years)     2 years 8 months 12 days