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) - Supplemental Employee Retirement Plan - USD ($)
$ in Millions
 12 Months Ended
Feb. 03, 2018
Jan. 28, 2017
Jan. 30, 2016
Projected benefit obligation, beginning of year $ 747 $ 823  
Service cost 0 0 $ 0
Interest cost 22 22 31
Actuarial (gain) loss 20 26  
Defined Benefit Plan, Benefit Obligation, Benefits Paid (86) (124)  
Projected benefit obligation, end of year 703 747 823
Fair value of plan assets, beginning of year 0 0  
Company contributions 86 124  
Fair value of plan assets, end of year 0 0 $ 0
Funded status at end of year 703 747  
Accounts payable and accrued liabilities (69) (86)  
Liability, Defined Benefit Pension Plan, Noncurrent (634) (661)  
Defined Benefit Plan, Amounts for Asset (Liability) Recognized in Statement of Financial Position (703) (747)  
Net actuarial (gain) loss 244 248  
Defined Benefit Plan, Accumulated Other Comprehensive (Income) Loss, Prior Service Cost (Credit), before Tax 7 8  
Defined Benefit Plan, Accumulated Other Comprehensive (Income) Loss, before Tax $ 251 $ 256