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) (Supplementary Retirement Plan [Member], USD $)
In Millions, unless otherwise specified
12 Months Ended
Feb. 02, 2013
Jan. 28, 2012
Jan. 29, 2011
Amortization of net actuarial (gain) loss $ 19    
Total recognized in net periodic benefit cost and other comprehensive income 75 132 65
Other Comprehensive Income [Member]
     
Amortization of net actuarial (gain) loss (17) (8) (3)
Amortization of prior service credit 1 1 1
Net actuarial (gain) loss 34 90 22
Total recognized in other comprehensive income 18 83 20
Net Periodic Pension Cost [Member]
     
Service cost 6 6 6
Interest cost 35 36 37
Amortization of net actuarial (gain) loss 17 8 3
Amortization of prior service credit (1) (1) (1)
Defined Benefit Plan, Net Periodic Benefit Cost $ 57 $ 49 $ 45