Annual report pursuant to Section 13 and 15(d)

Stockholders' Equity (Common Stock) (Details)

v3.8.0.1
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%