Leases (Schedule of Rental Expense for Facilities and Equipment) (Detail) - USD ($) $ in Millions	11 Months Ended	12 Months Ended
	Jan. 01, 2016	Jan. 30, 2015	Jan. 31, 2014
Leases [Abstract]
Gross rental expense	$ 83	$ 107	$ 181
Less lease and sublease income	(8)	(9)	(6)
Net rental expense	$ 75	$ 98	$ 175