CONSOLIDATED STATEMENTS OF EQUITY (PARENTHETICAL) - shares		Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Statement of Stockholders' Equity [Abstract]
Common stock, shares outstanding		492,855,297	497,400,113
Treasury shares	[1]	9,035,946.000	4,408,116	14,743	0

[1] Shares may not add due to rounding.