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GOODWILL AND INTANGIBLE ASSETS - GOODWILL ACQUIRED (Details) - USD ($)
$ in Millions
3 Months Ended 12 Months Ended
Feb. 03, 2018
Nov. 04, 2017
Feb. 03, 2018
Jan. 28, 2017
Sep. 02, 2016
Jan. 30, 2016
Goodwill and intangibles            
Goodwill $ 2,925   $ 2,925 $ 3,031   $ 2,724
Goodwill impairment charge before tax     $ 110      
Kroger Specialty Pharmacy            
Goodwill and intangibles            
Goodwill   $ 353        
Goodwill impairment charge before tax 110          
Impairment charges after tax $ 74          
ModernHEALTH            
Goodwill and intangibles            
Goodwill       $ 285 $ 283  
Purchase price allocation, decrease to goodwill   $ 2        
Intangibles         $ 136