Consolidated Statements of Changes in Equity (Parenthetical) - $ / shares	3 Months Ended
	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020
Common Stock, Dividends Per Share	$ 0.54	$ 0.54	$ 0.54	$ 0.44	$ 0.40	$ 0.40	$ 0.40
$25 Par Preferred Stock [Member]
Preferred Stock, Par Value	25	25	25	25	25	25	25
Preferred Stock, Dividends Per Share	$ 0.25	$ 0.25	$ 0.25	$ 0.25	$ 0.25	$ 0.25	$ 0.25