CONSOLIDATED STATEMENTS OF CHANGES IN COMMON STOCK EQUITY (Parenthetical) - $ / shares	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Dividends per Common Share	$ 1.50	$ 1.48	$ 1.46
Common stock, shares issued	23,658	20,065	25,932