Long-term Debt (Tables)

3 Months Ended

Apr. 30, 2013

Debt Instrument [Line Items]

Schedule of Long-term Debt Instruments [Table Text Block]

Information on significant long-term debt issued during the three months endedApril 30, 2013, is as follows:

(Amounts in millions)
Issue Date	Maturity Date	Interest Rate	Principal Amount
April 11, 2013	April 11, 2016	0.600%	$	1,000
April 11, 2013	April 11, 2018	1.125%	1,250
April 11, 2013	April 11, 2023	2.550%	1,750
April 11, 2013	April 11, 2043	4.000%	1,000
Total			$	5,000