XML 18 R6.htm IDEA: XBRL DOCUMENT v3.7.0.1
Consolidated Statement of Changes in Equity Consolidated Statement of Changes in Equity (Parenthetical) - $ / shares
3 Months Ended 6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Consolidated Statement of Change in Equity (Parenthetical) [Abstract]        
Common Stock, Dividends, Per Share, Declared $ 0.35 $ 0.31 $ 0.35 $ 0.31