Net Income Per Share - Basic and Diluted Net Income Per Share Calculation (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended			9 Months Ended
	Nov. 03, 2018	Oct. 28, 2017		Nov. 03, 2018	Oct. 28, 2017
Earnings Per Share [Abstract]
Numerator—Net income	$ 161	$ 117	[1]	$ 529	$ 391	[1]
Denominator—Weighted average shares: Basic	164	166		165	168
Denominator—Weighted average shares: Impact of dilutive stock-based awards	1			1
Denominator—Weighted average shares: Diluted	165	166		166	168
Antidilutive shares		2			3
Net income per share: Basic	$ 0.98	$ 0.70	[1]	$ 3.21	$ 2.33	[1]
Net income per share: Diluted	$ 0.98	$ 0.70	[1]	$ 3.19	$ 2.32	[1]

[1] Refer to Note 2 for details on the adoption of the new revenue recognition accounting standard and the impact on previously reported results.