NONCONTROLLING INTERESTS Noncontrolling Interests (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Noncontrolling Interest [Line Items]
Balance at beginning of period	$ 553
Net income attributable to noncontrolling interests - continuing operations	(19)	$ (32)
Net income attributable to noncontrolling interests - discontinued operations	0	(13)
Balance at end of period	555	1,180
Noncontrolling Interest [Member]
Noncontrolling Interest [Line Items]
Balance at beginning of period	553	1,138
Net income attributable to noncontrolling interests - continuing operations	19	32
Net income attributable to noncontrolling interests - discontinued operations	0	13
Distributions to noncontrolling interests 1	(1)	(9)
Cumulative translation adjustments	16	(7)
Other	0	(1)
Balance at end of period	555	$ 1,180
Noncontrolling Interest [Member] | Discontinued Operations [Member]
Noncontrolling Interest [Line Items]
Distributions to noncontrolling interests 1	$ 7