CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY AND OTHER COMPREHENSIVE LOSS (Parenthetical) $ in Millions	3 Months Ended	9 Months Ended
	Sep. 30, 2020 USD ($) $ / shares	Sep. 30, 2020 USD ($) $ / shares
Statement of Stockholders' Equity [Abstract]
Cash dividends, per share (in dollars per share) | $ / shares	$ 0.39	$ 1.17
Common stock authorized, amount for future purchases | $	$ 590.1	$ 590.1