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Pension and Postretirement Health Care Plans - Schedule of Recognition of Funded/(Underfunded) Status (Details) - USD ($)
$ in Millions
Jan. 30, 2016
Jan. 31, 2015
Defined Benefit Plan Disclosure [Line Items]    
Other noncurrent liabilities $ (54) $ (151)
Qualified Plans    
Defined Benefit Plan Disclosure [Line Items]    
Other noncurrent assets 66 0
Accrued and other current liabilities (1) (1)
Other noncurrent liabilities (16) (59)
Net amounts recognized 49 (60)
Nonqualified Plans    
Defined Benefit Plan Disclosure [Line Items]    
Other noncurrent assets 0 0
Accrued and other current liabilities (6) (4)
Other noncurrent liabilities (33) (39)
Net amounts recognized $ (39) $ (43)