Share Repurchases (Tables)

6 Months Ended

Jul. 31, 2015

Share Repurchases [Abstract]

Schedule of Company's share repurchases

The following table provides, on a trade date basis, the number of shares repurchased, average price paid per share and total amount paid for share repurchases for the six months endedJuly 31, 2015 and 2014:

	Six Months Ended July 31,
(Amounts in millions, except per share data)	2015		2014
Total number of shares repurchased	17.1		12.3
Average price paid per share	$	75.27	$	75.96
Total amount paid for share repurchases	$	1,283	$	933