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GOODWILL AND INTANGIBLE ASSETS - GOODWILL ACQUIRED (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Feb. 03, 2018 | Feb. 02, 2019 | Feb. 03, 2018 | Jan. 28, 2017
Goodwill and intangibles |  |  |  |
Goodwill, Gross | $ 5,567 | $ 5,729 | $ 5,567 | $ 5,563
Goodwill impairment charge before tax |  | $ 0 | 110 | $ 0
Kroger Specialty Pharmacy |  |  |  |
Goodwill and intangibles |  |  |  |
Goodwill, Gross | 353 |  | $ 353 |
Goodwill impairment charge before tax | 110 |  |  |
Impairment charges after tax | $ 74 |  |  |

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