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Retirement Plans and Other Benefits (Weighted-Average Assumptions used to Determine Benefit Obligations and Net Benefit Cost) (Details)
12 Months Ended
Feb. 03, 2018
Jan. 28, 2017
Jan. 30, 2016
Pension Benefits [Member]      
Schedule of Benefit Obligations Weighted Average Assumptions [Line Items]      
Discount rate, net periodic benefit costs 4.00% 4.10% 3.40%
Rate of compensation increase, net periodic benefit costs 3.60% 3.70% 3.70%
Expected long-term rate of return on assets, net periodic benefit costs 5.80% 6.10% 6.10%
Discount rate, benefit obligation 3.70% 4.00%  
Rate of compensation increase, benefit obligation 3.60% 3.70%  
Postretirement Benefits [Member]      
Schedule of Benefit Obligations Weighted Average Assumptions [Line Items]      
Discount rate, net periodic benefit costs 4.00% 4.10% 3.40%
Discount rate, benefit obligation 3.70% 4.00%