Retirement Plans (Net Periodic Benefit Cost Of Supplemental Retirement Plan) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Feb. 02, 2013	Jan. 28, 2012 Supplementary Retirement Plan [Member]	Jan. 29, 2011 Supplementary Retirement Plan [Member]	Jan. 30, 2010 Supplementary Retirement Plan [Member]	Jan. 28, 2012 Supplementary Retirement Plan [Member] Other Comprehensive Income [Member]	Jan. 29, 2011 Supplementary Retirement Plan [Member] Other Comprehensive Income [Member]	Jan. 30, 2010 Supplementary Retirement Plan [Member] Other Comprehensive Income [Member]	Jan. 28, 2012 Supplementary Retirement Plan [Member] Net Periodic Pension Cost [Member]	Jan. 29, 2011 Supplementary Retirement Plan [Member] Net Periodic Pension Cost [Member]	Jan. 30, 2010 Supplementary Retirement Plan [Member] Net Periodic Pension Cost [Member]
Service cost								$ 6	$ 6	$ 4
Interest cost								36	37	42
Amortization of net actuarial (gain) loss	3	16			(8)	(3)	0	8	3	0
Amortization of prior service credit					1	1	2	(1)	(1)	(2)
Total net periodic benefit cost								49	45	44
Net actuarial (gain) loss					90	22	113
Total recognized in other comprehensive income					83	20	115
Total recognized in net periodic benefit cost and other comprehensive income		$ 132	$ 65	$ 159