v3.24.1.1.u2
Short-term Borrowings and Long-term Debt (Schedule of Long-term Debt Instruments) (Details) - USD ($)
$ in Millions
 3 Months Ended
Apr. 30, 2024
Apr. 30, 2023
Long-term debt due within one year    
Balances as of February 1, 2024 $ 3,447  
Repayments of long-term debt (1,574)  
Other (8)  
Balances as of April 30, 2024 1,865 $ 3,975
Long-term debt    
Balances as of February 1, 2024 36,132  
Repayments of long-term debt 0  
Other (204)  
Balances as of April 30, 2024 35,928 38,120
Total    
Balances as of February 1, 2024 39,579  
Repayments of long-term debt (1,574) $ (1,784)
Other (212)  
Balances as of April 30, 2024 $ 37,793