Long-Lived Assets - Impairment of Long-Lived Assets Held and Used (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
	Aug. 01, 2020	Aug. 01, 2020
Impaired Long-Lived Assets Held and Used [Line Items]
Impairment	$ 117	$ 214
Store Asset Impairment
Impaired Long-Lived Assets Held and Used [Line Items]
Impairment	14	111
Operating Lease Asset Impairment
Impaired Long-Lived Assets Held and Used [Line Items]
Impairment	$ 103	$ 103