Goodwill and Intangible Assets (Definite-Lived Intangible Assets) (Details) - USD ($) $ in Millions	6 Months Ended
	Aug. 03, 2019	Feb. 02, 2019
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 456	$ 373
Accumulated Amortization	$ 58	23
Weighted-Average Useful Life Remaining	7 years
Customer Relationships [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 341	258
Accumulated Amortization	$ 42	16
Weighted-Average Useful Life Remaining	7 years 4 months 24 days
Tradenames [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 63	63
Accumulated Amortization	$ 7	3
Weighted-Average Useful Life Remaining	7 years 2 months 12 days
Developed Technology [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 52	52
Accumulated Amortization	$ 9	$ 4
Weighted-Average Useful Life Remaining	4 years 2 months 12 days