Consolidated Statements of Equity (Parenthetical) (USD $)	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013
Statement of Stockholders' Equity [Abstract]
Dividends declared per share (in dollars per share)	$ 1.06	$ 0.96
Dividend equivalents declared per share (in dollars per share)	$ 1.06	$ 0.96