Retirement Plans (Net Periodic Benefit Cost Of Supplemental Retirement Plan) (Details) (Supplementary Retirement Plan [Member], USD $) In Millions, unless otherwise specified	12 Months Ended
	Feb. 01, 2014	Feb. 02, 2013	Jan. 28, 2012
Total recognized in net periodic benefit cost and other comprehensive income	$ 29	$ 75	$ 132
Other Comprehensive Income [Member]
Amortization of net actuarial (gain) loss	(19)	(17)	(8)
Amortization of prior service credit	0	1	1
Net actuarial (gain) loss	(17)	34	90
Defined Benefit Plan, Plan Amendments	8	0	0
Total recognized in other comprehensive income	(28)	18	83
Net Periodic Pension Cost [Member]
Service cost	6	6	6
Interest cost	32	35	36
Amortization of net actuarial (gain) loss	19	17	8
Amortization of prior service credit	0	(1)	(1)
Defined Benefit Plan, Net Periodic Benefit Cost	$ 57	$ 57	$ 49