Annual report pursuant to Section 13 and 15(d)

Retirement Plans (Net Periodic Benefit Cost Of Supplemental Retirement Plan) (Details)

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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