EARNINGS PER SHARE ("EPS") AND EQUITY Schedule of Basic and Diluted Earnings per Share (Details) - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019	Dec. 31, 2019	Jan. 01, 2019	Dec. 31, 2018
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Net of Tax	$ (45)	$ (52)	$ (45)	$ (52)
Accumulated other comprehensive loss	$ (45)		$ (45)		$ (35)	$ (32)	$ (33)
Basic	132	131	132	131
Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements	2	2	0	0
Diluted	134	133	132	131
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	1	0	3	2
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax			$ (10)	$ (20)