Short-term Borrowings and Long-term Debt (Significant Debt Repayments) (Details) - 3.30% Debt, $1,500 Million, Due April 2024 - Unsecured Debt $ in Millions	3 Months Ended
	Apr. 30, 2024 USD ($)
Debt Instrument [Line Items]
Principal Amount	$ 1,500
Interest Rate	3.30%
Significant repayments of long term debt	$ 1,500