Annual report pursuant to Section 13 and 15(d)

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

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Retirement Plans (Reconciliation Of Benefit Obligations, Plan Assets, And Funded Status Of The Pension Plan) (Details) - USD ($)
$ in Millions
12 Months Ended
Feb. 02, 2019
Feb. 03, 2018
Jan. 28, 2017
Other Postretirement Benefits Plan [Member]      
Projected benefit obligation, beginning of year $ 156 $ 186  
Service cost 0 0 $ 0
Interest cost 5 5 6
Defined Benefit Plan, Accumulated Benefit Obligation, Increase (Decrease) for Plan Amendment 0 (10)  
Actuarial (gain) loss (11) (9)  
Defined Benefit Plan, Benefit Obligation, Prescription Drug Subsidy Receipt 0 1  
Defined Benefit Plan, Benefit Obligation, Benefits Paid (13) (17)  
Projected benefit obligation, end of year 137 156 186
Fair value of plan assets, beginning of year 0 0  
Company contributions 13 17  
Fair value of plan assets, end of year 0 0 0
Funded status at end of year 137 156  
Accounts payable and accrued liabilities (15) (17)  
Liability, Defined Benefit Plan, Noncurrent 122 139  
Defined Benefit Plan, Amounts for Asset (Liability) Recognized in Statement of Financial Position (137) (156)  
Net actuarial loss (41) (35)  
Defined Benefit Plan, Accumulated Other Comprehensive (Income) Loss, Prior Service Cost (Credit), before Tax (9) (10)  
Defined Benefit Plan, Accumulated Other Comprehensive (Income) Loss, before Tax (50) (45)  
Supplemental Employee Retirement Plan      
Projected benefit obligation, beginning of year 703 747  
Service cost 0 0 0
Interest cost 23 22 22
Actuarial (gain) loss (9) 20  
Defined Benefit Plan, Benefit Obligation, Benefits Paid (73) (86)  
Projected benefit obligation, end of year 644 703 747
Fair value of plan assets, beginning of year 0 0  
Company contributions 73 86  
Fair value of plan assets, end of year 0 0 0
Funded status at end of year 644 703  
Accounts payable and accrued liabilities (68) (69)  
Other (assets) liabilities (576) (634)  
Defined Benefit Plan, Amounts for Asset (Liability) Recognized in Statement of Financial Position (644) (703)  
Net actuarial loss 218 244  
Defined Benefit Plan, Accumulated Other Comprehensive (Income) Loss, Prior Service Cost (Credit), before Tax 6 7  
Defined Benefit Plan, Accumulated Other Comprehensive (Income) Loss, before Tax 224 251  
Pension Plan [Member]      
Projected benefit obligation, beginning of year 3,271 3,469  
Service cost 5 6 5
Interest cost 109 104 108
Actuarial (gain) loss (27) 82  
Defined Benefit Plan, Benefit Obligation, Benefits Paid (347) (390)  
Projected benefit obligation, end of year 3,011 3,271 3,469
Fair value of plan assets, beginning of year 3,409 3,374  
Actual return on plan assets (44) 425  
Company contributions 0 0  
Fair value of plan assets, end of year 3,018 3,409 $ 3,374
Funded status at end of year (7) (138)  
Other (assets) liabilities (7) (138)  
Net actuarial loss $ 1,109 $ 992