CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares	Dec. 31, 2021	Dec. 31, 2020
Statement of Financial Position [Abstract]
Preferred stock, par value per share	$ 100	$ 100
Preferred stock, shares authorized	100,000	100,000
Preferred stock, shares issued	0	0
Common stock, par value per share	$ 1	$ 1
Common stock, shares authorized	500,000,000	500,000,000
Common stock, shares issued	259,457,233	258,981,638
Treasury stock, shares	115,411,548	115,228,597