Annual report pursuant to Section 13 and 15(d)

Retirement Plans (Reconciliation Of Benefit Obligations, Plan Assets, And Funded Status Of The Supplementary Retirement Plan) (Details)

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Retirement Plans (Reconciliation Of Benefit Obligations, Plan Assets, And Funded Status Of The Supplementary Retirement Plan) (Details) (Supplementary Retirement Plan [Member], USD $)
In Millions, unless otherwise specified
12 Months Ended
Feb. 02, 2013
Jan. 28, 2012
Funded status at end of year $ (795) $ (771)
Accounts payable and accrued liabilities 58 55
Defined Benefit Pension Plan, Liabilities, Noncurrent 737 716
Net actuarial (gain) loss 212 195
Prior service credit 0 (1)
Total included in accumulated other comprehensive income 212 194
Change in projected benefit obligation [Member]
   
Projected benefit obligation, beginning of year 771 688
Service cost 6 6
Interest cost 35 36
Actuarial loss 76 90
Benefits paid (51) (49)
Actuarial gain due to curtailment (42) 0
Projected benefit obligation, end of year 795 771
Fair value of plan assets [Member]
   
Benefits paid (51) (49)
Fair value of plan assets, beginning of year 0 0
Company contributions 51 49
Fair value of plan assets, end of year $ 0 $ 0