Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity (Components of Other Comprehensive Income/ (Loss) (Details)

v3.7.0.1
Stockholders' Equity (Components of Other Comprehensive Income/ (Loss) (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jul. 29, 2017
Jul. 30, 2016
Jul. 29, 2017
Jul. 30, 2016
Stockholders' Equity Note [Abstract]        
Total, net of tax $ 2 $ (6) $ 27 $ (3)