NONCONTROLLING INTERESTS Noncontrolling Interests (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Noncontrolling Interest [Line Items]
Balance at beginning of period	$ 570
Balance at end of period	560	$ 555
Noncontrolling Interest [Member]
Noncontrolling Interest [Line Items]
Balance at beginning of period	570	553
Net income attributable to noncontrolling interests	15	19
Distributions to noncontrolling interests	(8)	(1)
Cumulative translation adjustments	(16)	(16)
Other	(1)	0
Balance at end of period	$ 560	$ 555