Stockholders' Equity (Common Stock) (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions |
12 Months Ended | ||||||||
|---|---|---|---|---|---|---|---|---|---|
Oct. 01, 2013 |
Jan. 30, 2016 |
Jan. 31, 2015 |
Feb. 01, 2014 |
[1] | Jan. 27, 2014 |
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| Schedule of Capitalization, Equity [Line Items] | |||||||||
| Common stock Issued, par value per share | $ 0.50 | $ 0.50 | $ 0.5 | $ 0.50 | |||||
| Sale of Common Stock, Price Per Share | $ 9.65 | ||||||||
| Net proceeds from common stock issued | $ 786 | $ 0 | $ 0 | [1] | $ 786 | ||||
| Payments of Stock Issuance Costs | $ 24 | ||||||||
| Shares held in 401(k) plan, including ESOP | 14 | ||||||||
| Percent of shares held in 401(k) plan, including ESOP | 4.70% | ||||||||
| Common stock issued | 84 | ||||||||
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