Consolidated Statements of Comprehensive Income (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Aug. 02, 2014	Aug. 03, 2013	Aug. 02, 2014	Aug. 03, 2013
Net income	$ 292	$ 281	$ 516	$ 498
Other comprehensive income (loss), before tax:
Amortization of net actuarial loss on post employment and postretirement benefit plans, before tax	7	41	13	79
Tax effect related to items of other comprehensive income	(3)	(17)	(5)	(31)
Total other comprehensive income, net of tax effect	4	24	8	48
Comprehensive income	$ 296	$ 305	$ 524	$ 546