Consolidated Statements of Equity (Parenthetical) (USD $)	6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013
Statement of Stockholders' Equity [Abstract]
Dividends declared per share (in dollars per share)	$ 0.78	$ 0.71
Dividend equivalents declared per share (in dollars per share)	$ 0.78	$ 0.71