XML 101 R89.htm IDEA: XBRL DOCUMENT v3.3.1.900
Income Taxes (Reconciliation Of Unrecognized Tax Benefits) (Details) - USD ($)
$ in Millions
12 Months Ended
Jan. 30, 2016
Jan. 31, 2015
Feb. 01, 2014
Income Tax Disclosure [Abstract]      
Unrecognized tax benefit at beginning of year $ 15 $ 14 $ 15
Gross increase to tax positions in prior periods 6 9 3
Gross decrease to tax positions in prior periods (2) (2) (1)
Gross increase to tax positions in current period 2 2 1
Lapses in statute (2) (3) 0
Settlements 0 (5) (4)
Unrecognized tax benefit at end of year $ 19 $ 15 $ 14