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Pension and Postretirement Health Care Plans - Schedule of Asset Category (Details)
12 Months Ended
Jan. 30, 2016
Jan. 31, 2015
Defined Benefit Plan Disclosure [Line Items]    
Current Targeted Allocation 100.00%  
Actual Allocation 100.00% 100.00%
Domestic equity securities    
Defined Benefit Plan Disclosure [Line Items]    
Current Targeted Allocation 14.00%  
Actual Allocation 16.00% 19.00%
International equity securities    
Defined Benefit Plan Disclosure [Line Items]    
Current Targeted Allocation 9.00%  
Actual Allocation 10.00% 12.00%
Debt securities    
Defined Benefit Plan Disclosure [Line Items]    
Current Targeted Allocation 45.00%  
Actual Allocation 44.00% 28.00%
Balanced funds    
Defined Benefit Plan Disclosure [Line Items]    
Current Targeted Allocation 23.00%  
Actual Allocation 21.00% 31.00%
Other    
Defined Benefit Plan Disclosure [Line Items]    
Current Targeted Allocation 9.00%  
Actual Allocation 9.00% 10.00%