Segments (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Nov. 03, 2012	Oct. 29, 2011	Nov. 03, 2012 segments	Oct. 29, 2011	Mar. 03, 2012
Business segment information
Number of Reportable Segments			2
Total revenue	$ 10,753	$ 11,145	$ 32,910	$ 33,370
Operating income	12	381	307	1,101
Other income (expense)
Investment income and other	13	0	25	25
Interest expense	(31)	(37)	(94)	(98)
Earnings (loss) from continuing operations before income tax (benefit) expense and equity in loss of affiliates	(6)	344	238	1,028
Total Assets	17,556	20,127	17,556	20,127	16,005
Domestic Segment [Member]
Business segment information
Total revenue	7,673	8,055	24,298	24,424
Operating income	16	249	394	854
Other income (expense)
Total Assets	11,291	11,743	11,291	11,743	9,592
International Segment [Member]
Business segment information
Total revenue	3,080	3,090	8,612	8,946
Operating income	(4)	132	(87)	247
Other income (expense)
Total Assets	$ 6,265	$ 8,384	$ 6,265	$ 8,384	$ 6,413