Segments (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Aug. 02, 2014	Aug. 03, 2013	Aug. 02, 2014 segments	Aug. 03, 2013	Feb. 01, 2014
Segment Reporting [Abstract]
Number of reportable segments			2
Business segment information
Total revenue	$ 8,896	$ 9,266	$ 17,931	$ 18,613
Operating income (loss)	238	413	435	581
Gain on sale of investments	2	14	2	14
Other income (expense)
Investment income and other	8	5	14	10
Interest expense	(23)	(26)	(46)	(53)
Earnings from continuing operations before income tax (benefit) expense	225	406	405	552
Total assets	14,349	13,284	14,349	13,284	14,013
Domestic [Member]
Business segment information
Total revenue	7,585	7,775	15,366	15,721
Operating income (loss)	258	420	484	642
Other income (expense)
Total assets	11,847	10,606	11,847	10,606	11,146
International [Member]
Business segment information
Total revenue	1,311	1,491	2,565	2,892
Operating income (loss)	(20)	(7)	(49)	(61)
Other income (expense)
Total assets	$ 2,502	$ 2,678	$ 2,502	$ 2,678	$ 2,867