Stockholders' Equity (Reclassifications Out of Accumulated Other Comprehensive Income/ (Loss) (Details) - USD ($) $ in Millions |
3 Months Ended | |
|---|---|---|
May 04, 2019 |
May 05, 2018 |
|
| Other Comprehensive Income (Loss), Net of Tax [Abstract] | ||
| Total, net of tax | $ (11) | $ 6 |