Consolidated Statements of Equity (Parenthetical) - $ / shares	6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015
Statement of Stockholders' Equity [Abstract]
Dividends declared per share (in dollars per share)	$ 0.96	$ 0.87
Dividend equivalents declared per share (in dollars per share)	$ 0.96	$ 0.87