Quarterly report pursuant to Section 13 or 15(d)

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

v3.8.0.1
Stockholders' Equity (Components of Other Comprehensive Income/ (Loss) (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Oct. 28, 2017
Oct. 29, 2016
Oct. 28, 2017
Oct. 29, 2016
Stockholders' Equity Note [Abstract]        
Total, net of tax $ 43 $ 2 $ 70 $ (1)