Related Parties (Details) - USD ($) $ in Millions	12 Months Ended
	Jan. 29, 2016	Jan. 30, 2015	Jan. 31, 2014
Consumer Packaged Goods Vendor [Member]
Related Party Transactions
Related party purchases	$ 153	$ 151	$ 145
Health and Welfare Benefit Plans Vendor [Member]
Related Party Transactions
Related party purchases	$ 58	56	15
Millwork and Building Products Vendor [Member]
Related Party Transactions
Related party purchases		80	$ 70
Amounts payable to related party		$ 11