Debt (Schedule of Maturities of Notes Payable and Long-Term Debt) (Detail) - USD ($) $ in Millions	Jan. 01, 2016	Jan. 30, 2015
Note Payable and Long-Term Debt
2016	$ 2
2017	2
2018	1
2019	1
2020	0
2021 and thereafter	1,087
Total principal payments	1,093
Less unamortized discount	5
Total notes payable and long-term debt	$ 1,088	$ 1,166