SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS - Deferred Tax Valuation Allowances (Details) - Deferred Tax Valuation Allowances - USD ($) $ in Millions	12 Months Ended
	Jan. 29, 2017	Jan. 31, 2016	Feb. 01, 2015
SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS
Balance at Beginning of Period	$ 6	$ 1,013	$ 996
Charges to Expense (Benefit)	(1)	(1,007)	17
Balance at End of Period	$ 5	$ 6	$ 1,013