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) - Other Postretirement Benefits Plan [Member] - USD ($)
$ in Millions
12 Months Ended
Jan. 30, 2021
Feb. 01, 2020
Feb. 02, 2019
Projected benefit obligation, beginning of year $ 133 $ 137  
Service cost 0 0 $ 0
Interest cost 2 5 5
Actuarial loss (6) 5  
Defined Benefit Plan, Benefit Obligation, Prescription Drug Subsidy Receipt 0 0  
Defined Benefit Plan, Benefit Obligation, Benefits Paid (10) (14)  
Projected benefit obligation, end of year 119 133 137
Fair value of plan assets, beginning of year 0 0  
Company contributions 10 14  
Fair value of plan assets, end of year 0 0 $ 0
Funded status at end of year (119) (133)  
Accounts payable and accrued liabilities (13) (14)  
Other liabilities (106) (119)  
Defined Benefit Plan, Amounts for Asset (Liability) Recognized in Statement of Financial Position (119) (133)  
Net actuarial (gain) loss (32) (30)  
Prior service credit (7) (8)  
Defined Benefit Plan, Accumulated Other Comprehensive (Income) Loss, before Tax $ (39) $ (38)