Long-term Debt (Tables)

9 Months Ended

Oct. 31, 2013

Long-term Debt, Unclassified [Abstract]

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

Information on significant long-term debt issued during the nine months endedOctober 31, 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
October 2, 2013	December 15, 2018	1.950%	1,000
October 2, 2013	October 2, 2043	4.750%	750
Total			$	6,750