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Acquisitions - Summary of Fair Value of Assets Acquired and Liabilities Assumed by Major Class (Details) - USD ($)
$ in Millions
Apr. 30, 2022
Jan. 31, 2022
Business Acquisition [Line Items]    
Goodwill $ 3,642 $ 3,604
Series of Individually Immaterial Business Acquisitions    
Business Acquisition [Line Items]    
Goodwill 85  
Deferred revenue and long-term deferred revenue (2)  
Long-term deferred income taxes 1  
Net tangible assets 1  
Total 97  
Developed technologies | Series of Individually Immaterial Business Acquisitions    
Business Acquisition [Line Items]    
Finite-lived intangibles 8  
Customer relationships | Series of Individually Immaterial Business Acquisitions    
Business Acquisition [Line Items]    
Finite-lived intangibles $ 4