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Geographic Information - Summary of Revenues by Geographic Area (Details)
$ in Millions
3 Months Ended 9 Months Ended
Oct. 31, 2024
USD ($)
market
Oct. 31, 2023
USD ($)
Oct. 31, 2024
USD ($)
market
Oct. 31, 2023
USD ($)
Disaggregation of Revenue [Line Items]        
Number of primary geographical markets | market 2   2  
Revenues $ 2,160 $ 1,866 $ 6,235 $ 5,337
United States        
Disaggregation of Revenue [Line Items]        
Revenues 1,623 1,404 4,676 4,013
Other countries        
Disaggregation of Revenue [Line Items]        
Revenues $ 537 $ 462 $ 1,559 $ 1,324