Schedule II (Details) - USD ($) $ in Millions		12 Months Ended
		Jan. 28, 2018	Jan. 29, 2017	Jan. 31, 2016
Allowance for doubtful accounts
Valuation and Qualifying Accounts Disclosure [Line Items]
Valuation Allowances and Reserves, Balance		$ 3	$ 2	$ 3
Valuation Allowances and Reserves, Additions	[1]	1	1	0
Valuation Allowances and Reserves, Deductions	[1]	0	0	(1)
Valuation Allowances and Reserves, Balance		4	3	2
Sales return allowance
Valuation and Qualifying Accounts Disclosure [Line Items]
Valuation Allowances and Reserves, Balance		10	9	14
Valuation Allowances and Reserves, Additions	[2]	15	9	9
Valuation Allowances and Reserves, Deductions	[3]	(16)	(8)	(14)
Valuation Allowances and Reserves, Balance		9	10	9
Deferred tax valuation allowance
Valuation and Qualifying Accounts Disclosure [Line Items]
Valuation Allowances and Reserves, Balance		353	272	261
Valuation Allowances and Reserves, Additions	[4]	116	81	11
Valuation Allowances and Reserves, Deductions		0	0	0
Valuation Allowances and Reserves, Balance		$ 469	$ 353	$ 272

[1] Additions represent allowance for doubtful accounts charged to expense and deductions represent amounts recorded as reduction to expense upon reassessment of allowance for doubtful accounts at period end.

[2] Represents allowance for sales returns estimated at the time revenue is recognized primarily based on historical return rates and is charged as a reduction to revenue.

[3] Represents sales returns.

[4] Represents change in valuation allowance primarily related to state and certain foreign deferred tax assets that management has determined not likely to be realized due, in part, to projections of future taxable income of the respective jurisdictions.