v3.24.1.1.u2
Intangible Assets Acquired Through Business Combinations and Goodwill - Summary of Intangible Assets Acquired From Business Combinations (Details) - USD ($)
$ in Millions
 3 Months Ended
Apr. 30, 2024
Apr. 30, 2023
Finite-lived Intangible Assets [Roll Forward]    
Intangible assets, gross, beginning balance $ 11,601  
Additions and retirements, net 52  
Intangible assets, gross, ending balance 11,653  
Accumulated amortization, beginning balance (6,323)  
Expense and retirements, net (461)  
Accumulated amortization, ending balance (6,784)  
Intangible assets, net, beginning balance 5,278  
Intangible assets, net, ending balance $ 4,869  
Weighted Average Remaining Useful Life (Years) 3 years 10 months 24 days  
Amortization of intangible assets $ 461 $ 471
Developed technology    
Finite-lived Intangible Assets [Roll Forward]    
Intangible assets, gross, beginning balance 4,624  
Additions and retirements, net 44  
Intangible assets, gross, ending balance 4,668  
Accumulated amortization, beginning balance (3,208)  
Expense and retirements, net (238)  
Accumulated amortization, ending balance (3,446)  
Intangible assets, net, beginning balance 1,416  
Intangible assets, net, ending balance $ 1,222  
Weighted Average Remaining Useful Life (Years) 2 years  
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  
Accumulated amortization, beginning balance (2,985)  
Expense and retirements, net (211)  
Accumulated amortization, ending balance (3,196)  
Intangible assets, net, beginning balance 3,689  
Intangible assets, net, ending balance $ 3,486  
Weighted Average Remaining Useful Life (Years) 4 years 6 months  
Other    
Finite-lived Intangible Assets [Roll Forward]    
Intangible assets, gross, beginning balance $ 303  
Additions and retirements, net 0  
Intangible assets, gross, ending balance 303  
Accumulated amortization, beginning balance (130)  
Expense and retirements, net (12)  
Accumulated amortization, ending balance (142)  
Intangible assets, net, beginning balance 173  
Intangible assets, net, ending balance $ 161  
Weighted Average Remaining Useful Life (Years) 3 years 2 months 12 days