Acquisition Acquisition (Details) - USD ($) $ in Millions		3 Months Ended	9 Months Ended	12 Months Ended
		Feb. 02, 2019	Nov. 03, 2018	Feb. 02, 2019	Feb. 03, 2018	Jan. 28, 2017
Business Combinations [Abstract]
Acquisition-related transaction costs		$ 13		$ 13
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net [Abstract]
Current assets		32	$ 34	32
Measurement period adjustments - Current assets		(2)
Goodwill			496	490
Measurement period adjustments - Goodwill		(6)
Measurement period adjustments - Intangible assets	[1]	2
Other assets		25	27	25
Measurement period adjustments - Other assets		(2)
Total assets acquired		920	928	920
Measurement period adjustments - Total assets acquired		(8)
Accrued liabilities		55	56	55
Measurement period adjustments - Accrued liabilities		(1)
Long-term liabilities		70	72	70
Measurement period adjustments - Long-term liabilities		(2)
Total liabilities assumed		125	128	125
Measurement period adjustments - Total liabilities assumed		(3)
Total purchase price	[2]		800	795
Measurement period adjustments - Total purchase price	[2]	(5)
Less cash acquired			8	8
Measurement period adjustments - Cash acquired		0
Total purchase price, net of cash acquired			792	787	$ 0	$ 0
Business Acquisition [Line Items]
Intangible assets	[1]	373	$ 371	373
Customer relationships
Business Acquisition [Line Items]
Intangible assets		$ 235		235
Intangible asset useful life		5 years
Tradename
Business Acquisition [Line Items]
Intangible assets		$ 63		63
Intangible asset useful life		8 years
Developed technology
Business Acquisition [Line Items]
Intangible assets		$ 52		52
Intangible asset useful life		5 years
Commercial Customer Relationship [Member]
Business Acquisition [Line Items]
Intangible assets		$ 23		$ 23
Intangible asset useful life		10 years

[1] (1)The adjusted fair value of Intangible assets included consumer customer relationships of $235 million (amortized over 5 years), tradename of $63 million (amortized over 8 years), developed technology of $52 million (amortized over 5 years) and commercial customer relationships of $23 million (amortized over 10 years).

[2] (2)Measurement period adjustments included the finalization of the working capital adjustment.