Consolidated Statements of Comprehensive Income parenthetical (USD $) In Millions, unless otherwise specified	12 Months Ended
	Feb. 01, 2014	Feb. 02, 2013	Jan. 28, 2012
Actuarial loss on post employment and postretirement benefit plans,	$ 108	$ 24	$ (241)
Unrealized gain (loss) on marketable securities	0	0	(1)
Net actuarial loss on postretirement benefit plans	61	60	35
Prior service credit on postretirement benefit plans	0	(1)	(1)
Realized gain on marketable securities	$ 0	$ 0	$ (4)