Consolidated Statements Of Changes In Equity (Parenthetical) - $ / shares	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Statement of Stockholders' Equity [Abstract]
Common Stock, Dividends, per share, cash paid	$ 0.235	$ 0.214
Preferred Stock, Dividends, per share, cash paid	$ 0.375	$ 0.375