Annual report pursuant to Section 13 and 15(d)

Retirement Plans (Narrative) (Details)

v3.20.1
Retirement Plans (Narrative) (Details)
$ in Millions
 12 Months Ended
Feb. 01, 2020
USD ($)
yr
d
Feb. 02, 2019
USD ($)
Feb. 03, 2018
USD ($)
Number of hours required for participation in defined benefit and defined contribution plans 1,000    
Liability under qualified defined contribution plan $ 104 $ 103  
Minimum [Member]      
Range of restrictions on investment redemption frequency, number of times allowed per year | d 4    
Maximum [Member]      
Range of restrictions on investment redemption frequency, number of times allowed per year | d 365    
Other Postretirement Benefits Plan [Member]      
Discount rate 2.81% 4.02%  
Defined Benefit Plan, Expected Amortization of Gain (Loss), Next Fiscal Year $ (5)    
Company contributions to defined benefit pension plan $ 14 $ 13  
Supplemental Employee Retirement Plan      
Discount rate 2.89% 4.10%  
Accumulated benefit obligation for defined benefit plan $ 681 $ 644  
Defined Benefit Plan, Expected Amortization of Gain (Loss), Next Fiscal Year 12    
Company contributions to defined benefit pension plan $ 71 $ 73  
Supplemental Employee Retirement Plan | Minimum [Member]      
Discount rate for interest cost (percent) 2.65% 3.39% 3.10%
Supplemental Employee Retirement Plan | Maximum [Member]      
Discount rate for interest cost (percent) 3.69% 4.09% 3.26%
Pension Plan [Member]      
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-term Rate of Return on Plan Assets 6.50% 6.75% 7.00%
Discount rate 2.83% 4.03%  
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Change Due to Subsequent Interim Measurement, Weighted-Average Expected Long-term Rate of Return on Plan Assets 6.25%    
Accumulated benefit obligation for defined benefit plan $ 3,320 $ 3,010  
Defined Benefit Plan, Expected Amortization of Gain (Loss), Next Fiscal Year 42    
Unfunded commitments to certain of these investments 43 49  
Company contributions to defined benefit pension plan $ 0 $ 0  
Discount rate for service cost (percent) 4.09%    
Discount rate for interest cost (percent) 3.67%    
Pension Plan [Member] | Minimum [Member]      
Range of investment lock-up period, in years | yr 1    
Discount rate for service cost (percent)   3.77% 3.75%
Discount rate for interest cost (percent)   3.39% 3.12%
Pension Plan [Member] | Maximum [Member]      
Range of investment lock-up period, in years | yr 9    
Discount rate for service cost (percent)   4.46% 4.06%
Discount rate for interest cost (percent)   4.06% 3.31%
Pension Plan [Member] | Equity securities [Member]      
Target allocation for equity securities in defined benefit plan 30.00%    
Pension Plan [Member] | Debt Securities [Member]      
Target allocation for equity securities in defined benefit plan 63.00%    
Pension Plan [Member] | Real Estate Funds [Member]      
Target allocation for equity securities in defined benefit plan 2.00%    
Pension Plan [Member] | Private equity [Member]      
Target allocation for equity securities in defined benefit plan 5.00%    
Defined Contribution Qualified Plan [Member] | Other Postretirement Benefits Plan [Member]      
Employee retirement plan expense $ 96 $ 96 $ 93
Non qualified defined contribution plan [Member] | Other Postretirement Benefits Plan [Member]      
Employee retirement plan expense 2 1 $ 1
Investments 34 27  
Other Liabilities [Member] | Non qualified defined contribution plan [Member] | Other Postretirement Benefits Plan [Member]      
Liability under non-qualified defined contribution plan 34 27  
Accounts Payable and Accrued Liabilities [Member] | Non qualified defined contribution plan [Member] | Other Postretirement Benefits Plan [Member]      
Liability under non-qualified defined contribution plan $ 2 $ 2