CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY (Parenthetical) - $ / shares				3 Months Ended		6 Months Ended
	Jul. 27, 2018	Jun. 06, 2018	Apr. 20, 2018	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Dividend declared (in dollars per share)	$ 0.06		$ 0.06	$ 0.06	$ 0.06	$ 0.12	$ 0.12
Mandatory Convertible Preferred Shares
Preferred Stock, Dividends Per Share, Declared	$ 0.75	$ 0.64				$ 0.64