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Business and Summary of Significant Accounting Policies - Expected Future Amortization Expense for Purchased Technologies, Customer Relationships and Trade Names (Details) - USD ($)
$ in Millions
Jan. 31, 2024
Jan. 31, 2023
Expected Future Amortization Expense for Purchased Technologies, Customer Relationships and Trade Name [Abstract]    
2025 $ 90  
2026 84  
2027 73  
2028 33  
2029 19  
Thereafter 107  
Total $ 406 $ 407