XML 19 R5.htm IDEA: XBRL DOCUMENT v3.20.2
Consolidated Balance Sheet (Parenthetical) - $ / shares
shares in Thousands
Sep. 30, 2020
Dec. 31, 2019
Common stock, par value $ 1 $ 1
Common stock, shares 448,900 448,900
Common stock held in treasury, shares 55,800 56,800