Stockholders' Equity (Components of Other Comprehensive Income/ (Loss) (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||||||
|---|---|---|---|---|---|---|---|---|
Jul. 30, 2016 |
Aug. 01, 2015 |
[1] | Jul. 30, 2016 |
Aug. 01, 2015 |
[1] | |||
| Stockholders' Equity Note [Abstract] | ||||||||
| Reclassification for amortization of net actuarial (gain)/loss, net of tax | $ (1) | $ 0 | $ (2) | $ 0 | ||||
| Reclassification for amortization of prior service credit/(cost), net of tax | 0 | 0 | 0 | 0 | ||||
| Total, net of tax | $ (6) | $ (9) | $ (3) | $ (9) | ||||
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