Consolidated Statements of Equity (Unaudited) (Parenthetical) - $ / shares	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Statement of Stockholders' Equity [Abstract]
Dividends declared per share (in dollars per share)	$ 0.83	$ 0.75
Dividend equivalents declared per share (in dollars per share)	$ 0.83	$ 0.75