Quarterly Financial Information (Unaudited) (Tables)

12 Months Ended

Jan. 31, 2015

Quarterly Financial Information Disclosure [Abstract]

Schedule of Quarterly Financial Data

Each quarterly period below was a 13-week accounting period.

	2014
	First		Second		Third		Fourth
	(In Millions, Except per Share Data)
Net sales	$	4,070	$	4,242	$	4,374	$	6,337
Gross margin	$	1,496	$	1,654	$	1,628	$	2,147
Net income	$	125	$	232	$	142	$	369
Basic shares	206		204		202		199
Basic net income per share	$	0.60	$	1.14	$	0.70	$	1.85
Diluted shares	208		205		203		201
Diluted net income per share	$	0.60	$	1.13	$	0.70	$	1.83

	2013
	First		Second		Third		Fourth
	(In Millions, Except per Share Data)
Net sales	$	4,199	$	4,289	$	4,444	$	6,099
Gross margin	$	1,528	$	1,676	$	1,666	$	2,075
Net income	$	147	$	231	$	177	$	334
Basic shares	222		220		216		213
Basic net income per share	$	0.66	$	1.05	$	0.82	$	1.57
Diluted shares	223		222		218		215
Diluted net income per share	$	0.66	$	1.04	$	0.81	$	1.56