Fair Value Measurements Long Lived Assets Impairments (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Oct. 31, 2020	Nov. 02, 2019	Oct. 31, 2020	Nov. 02, 2019
Long Lived Assets [Line Items]
Goodwill, Impairment Loss	$ 0		$ 0	$ 0
Asset Impairment Charges	0	$ 0
Other indefinite-lived intangible assets impairment charges	0	0	0	0
Store Assets [Member]
Long Lived Assets [Line Items]
Total Impairment Charges			127	9
Long Lived Asset Carrying Value	131	10	131	10
Impaired Asset at Fair Value	4	1	4	1
Operating lease Impairment [Member]
Long Lived Assets [Line Items]
Total Impairment Charges			361	1
Long Lived Asset Carrying Value	1,369	61	1,369	61
Impaired Asset at Fair Value	$ 1,008	$ 60	$ 1,008	$ 60