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Consolidated Statements of Equity (Parenthetical) - $ / shares	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Dividends Declared Per Share of Common Stock (in dollars per share)	$ 3.8800	$ 3.7275	$ 3.5325
Dividends Declared Per Share of Non Controlling Interests (in dollars per share)	3.8800	3.7275	3.5325
Limited Partner [Member]
Distribution Made to Limited Partner, Distributions Declared, Per Unit	$ 3.8800	$ 3.7275	$ 3.5325

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