v3.26.1
Short-term Borrowings and Long-term Debt (Significant Debt Repayments) (Details) - Unsecured Debt
€ in Millions, $ in Millions
3 Months Ended
Apr. 30, 2026
USD ($)
Apr. 30, 2026
EUR (€)
Debt Instrument [Line Items]    
Significant repayments of long term debt $ 1,504  
2.550% Debt Due April 2026    
Debt Instrument [Line Items]    
Principal Amount | €   € 650
Interest Rate 2.55% 2.55%
Significant repayments of long term debt $ 754  
4.000% Debt Due April 2026    
Debt Instrument [Line Items]    
Principal Amount $ 750  
Interest Rate 4.00% 4.00%
Significant repayments of long term debt $ 750