Stockholders' Equity (Reclassifications Out of Accumulated Other Comprehensive Income/ (Loss) (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||||||
|---|---|---|---|---|---|---|---|---|
Jul. 30, 2016 |
Aug. 01, 2015 |
Jul. 30, 2016 |
Aug. 01, 2015 |
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| Other Comprehensive Income (Loss), Net of Tax [Abstract] | ||||||||
| Total, net of tax | $ (6) | $ (9) | [1] | $ (3) | $ (9) | [1] | ||
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