Equity (Schedule of Dividends Declared) (Details) - $ / shares	3 Months Ended
	Mar. 31, 2021	Dec. 31, 2020	Mar. 31, 2020	Dec. 31, 2019
Common Stock, Dividends, Per Share, Declared	$ 1.1025	$ 1.1025	$ 1.1025	$ 1.10
Declared December 15, 2020
Common Stock, Dividends, Per Share, Declared	1.1025
Declared March 12, 2021
Common Stock, Dividends, Per Share, Declared	1.1025
Declared November 7, 2019
Common Stock, Dividends, Per Share, Declared	1.05
Declared February 19, 2020
Common Stock, Dividends, Per Share, Declared	$ 1.1025