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Impairment, Restructuring and Other Costs - Restructuring Reserve Activity (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Oct. 31, 2020
Aug. 01, 2020
May 02, 2020
Nov. 02, 2019
Oct. 31, 2020
Nov. 02, 2019
Restructuring Reserve [Roll Forward]            
Additions charged to expense $ 12     $ 8 $ 79 $ 10
Polaris Strategy            
Restructuring Reserve [Roll Forward]            
Beginning Balance 16 $ 68 $ 124   124  
Additions charged to expense 5 21 32      
Cash payments (16) (73) (88)      
Ending Balance 5 16 68   5  
Employee Severance | Polaris Strategy            
Restructuring Reserve [Roll Forward]            
Beginning Balance 6 58 115   115  
Additions charged to expense 1 15 25      
Cash payments (6) (67) (82)      
Ending Balance 1 6 58   1  
Other Restructuring | Polaris Strategy            
Restructuring Reserve [Roll Forward]            
Beginning Balance 10 10 9   9  
Additions charged to expense 4 6 7      
Cash payments (10) (6) (6)      
Ending Balance $ 4 $ 10 $ 10   $ 4