Consolidated Balance Sheet (Parenthetical) - $ / shares shares in Thousands |
Mar. 31, 2017 |
Dec. 31, 2016 |
|---|---|---|
| Common stock, par value | $ 1 | $ 1 |
| Common stock, shares | 448,900 | 448,900 |
| Common stock held in treasury, shares | 36,022 | 37,671 |
| X | ||||||||||
- Definition Face amount or stated value per share of common stock. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition Number of common and preferred shares that were previously issued and that were repurchased by the issuing entity and held in treasury on the financial statement date. This stock has no voting rights and receives no dividends. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|