Annual report pursuant to Section 13 and 15(d)

Goodwill and Nonamortizing Intangible Assets - Narrative (Details)

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Goodwill and Nonamortizing Intangible Assets - Narrative (Details) - USD ($)
3 Months Ended 12 Months Ended
Feb. 01, 2020
Feb. 02, 2019
Feb. 01, 2020
Feb. 02, 2019
Feb. 03, 2018
Goodwill [Line Items]          
Goodwill transfers     $ 0 $ 0  
Goodwill impairment     313,000,000.0 2,727,000,000.0 $ 0
Impairment of indefinite lived intangible assets     0 0 $ 0
Dollar Tree          
Goodwill [Line Items]          
Goodwill transfers     47,600,000 31,000,000.0  
Goodwill impairment     $ 0 $ 0  
Family Dollar          
Goodwill [Line Items]          
Goodwill impairment $ 313,000,000.0 $ 2,730,000,000