Earnings Per Share (Tables)

12 Months Ended

Jan. 31, 2015

Earnings Per Share [Abstract]

Computation of Basic and Diluted Loss Per Share

The following table sets forth the computation of basic and diluted earnings per share:

	2014					2013					2012
	Net Income				Shares	Net Income				Shares	Net Income				Shares
	(millions, except per share data)
Net income and average number of shares outstanding	$	1,526			354.3	$	1,486			377.3	$	1,335			404.4
Shares to be issued under deferred compensation and other plans					0.9					1.0					1.1
	$	1,526			355.2	$	1,486			378.3	$	1,335			405.5
Basic earnings per share			$	4.30				$	3.93				$	3.29
Effect of dilutive securities –
Stock options, restricted stock and restricted stock units					6.5					6.5					6.7
	$	1,526			361.7	$	1,486			384.8	$	1,335			412.2
Diluted earnings per share			$	4.22				$	3.86				$	3.24