Consolidated Statements of Comprehensive Income (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Nov. 02, 2013	Oct. 27, 2012	Nov. 02, 2013	Oct. 27, 2012
Net income (loss)	$ 177	$ 145	$ 675	$ 605
Other comprehensive income (loss), before tax:
Amortization of net actuarial loss on post employment and postretirement benefit plans, before tax	38	37	117	115
Tax effect related to items of other comprehensive income	(14)	(13)	(45)	(44)
Total other comprehensive income, net of tax effect	24	24	72	71
Comprehensive income (loss)	$ 201	$ 169	$ 747	$ 676