CONSOLIDATED STATEMENTS OF EQUITY (PARENTHETICAL) - shares		Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Statement of Stockholders' Equity [Abstract]
Common stock, shares outstanding		479,562,326	486,130,461
Treasury shares	[1]	22,328,917	15,760,782.000	9,036,116	4,408,116

[1] Shares may not add due to rounding.