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
Feb. 01, 2020
Feb. 02, 2019
Feb. 03, 2018
Projected benefit obligation, beginning of year $ 137 $ 156  
Service cost 0 0 $ 0
Interest cost 5 5 5
Actuarial (gain) loss 5 (11)  
Defined Benefit Plan, Benefit Obligation, Prescription Drug Subsidy Receipt 0 0  
Defined Benefit Plan, Benefit Obligation, Benefits Paid (14) (13)  
Projected benefit obligation, end of year 133 137 156
Fair value of plan assets, beginning of year 0 0  
Company contributions 14 13  
Fair value of plan assets, end of year 0 0 $ 0
Funded status at end of year 133 137  
Accounts payable and accrued liabilities (14) (15)  
Other liabilities (119) (122)  
Defined Benefit Plan, Amounts for Asset (Liability) Recognized in Statement of Financial Position (133) (137)  
Net actuarial (gain) loss (30) (41)  
Defined Benefit Plan, Accumulated Other Comprehensive (Income) Loss, Prior Service Cost (Credit), before Tax (8) (9)  
Defined Benefit Plan, Accumulated Other Comprehensive (Income) Loss, before Tax (38) $ (50)  
Defined Benefit Plan, Expected Amortization of Gain (Loss), Next Fiscal Year $ 5