Stockholders' Equity (Common Stock) (Details) - $ / shares shares in Millions |
Feb. 03, 2018 |
Jan. 27, 2014 |
|---|---|---|
| Schedule of Capitalization, Equity [Line Items] | ||
| Common stock Issued, par value per share | $ 0.5 | $ 0.50 |
| Shares held in 401(k) plan, including ESOP | 13 | |
| Percent of shares held in 401(k) plan, including ESOP | 4.30% |