Quarterly report pursuant to Section 13 or 15(d)

CONSOLIDATED STATEMENT OF CHANGES IN EQUITY AND OTHER COMPREHENSIVE INCOME (Unaudited) (Parenthetical)

v3.10.0.1
CONSOLIDATED STATEMENT OF CHANGES IN EQUITY AND OTHER COMPREHENSIVE INCOME (Unaudited) (Parenthetical)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2018
USD ($)
$ / shares
Jun. 30, 2018
USD ($)
$ / shares
Statement of Stockholders' Equity [Abstract]    
Cash dividends, per share (in dollars per share) | $ / shares $ 0.39 $ 0.78
Common stock authorized, amount for future purchases | $ $ 590.1 $ 590.1