Consolidated Statements of Comprehensive Income Statement (USD $) In Millions, unless otherwise specified	12 Months Ended
	Feb. 02, 2013	Jan. 28, 2012	Jan. 29, 2011
Net income	$ 1,335	$ 1,256	$ 847
Actuarial gain (loss) on post employment and postretirement benefit plans, net of tax effect of $24 million, $241 million and $4 million	37	(376)	(17)
Unrealized gain (loss) on marketable securities, net of tax effect of $1 million and $3 million	0	(2)	5
Net actuarial loss on postretirement benefit plans, net of tax effect of $60 million, $35 million and $23 million	94	56	36
Prior service credit on postretirement benefit plans, net of tax effect of $1 million, $1 million and $1 million	(1)	(1)	(1)
Realized gain on marketable securities, net of tax effect of $4 million	0	(8)	0
Total other comprehensive income (loss)	130	(331)	23
Comprehensive income	$ 1,465	$ 925	$ 870