Annual report pursuant to Section 13 and 15(d)

Postretirement Health Care and Life Insurance Benefits (Reconciliation Of Benefit Obligations, Plan Assets, And Funded Status Of The Postretirement Obligations) (Details)

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Postretirement Health Care and Life Insurance Benefits (Reconciliation Of Benefit Obligations, Plan Assets, And Funded Status Of The Postretirement Obligations) (Details) (Postretirement Obligations, USD $)
In Millions, unless otherwise specified
12 Months Ended
Feb. 01, 2014
Feb. 02, 2013
Funded status at end of year $ (223) $ (250)
Accounts payable and accrued liabilities (26) (28)
Other liabilities (197) (222)
Defined Benefit Plan, Amounts Recognized in Balance Sheet 223 250
Net actuarial (gain) loss (35) (23)
Change in projected benefit obligation [Member]
   
Projected benefit obligation, beginning of year 250 266
Service cost 0 0
Interest cost 10 12
Actuarial loss (15) (4)
Medicare Part D subsidy 1 1
Benefits paid (23) (25)
Projected benefit obligation, end of year 223 250
Fair value of plan assets [Member]
   
Benefits paid (23) (25)
Fair value of plan assets, beginning of year 0 0
Company contributions 23 25
Fair value of plan assets, end of year $ 0 $ 0