EARNINGS PER SHARE - Schedule of Earnings per Share (Details) - USD ($) shares in Thousands, $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Income (Numerator)
Net income	$ 151	$ 23
Net income attributable to the redeemable noncontrolling interests	(20)	0
Net income attributable to the noncontrolling interests	(8)	(1)
Numerator for basic and diluted earnings per common share available to common shareholders	$ 123	$ 22
Shares (Denominator)
Weighted average common shares outstanding (shares)	90,609	92,302
Dilutive effect of stock-settled appreciation rights and outstanding stock options (shares)	617	916
Weighted average common and common equivalent shares outstanding (shares)	91,226	93,218