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DERIVATIVE INSTRUMENTS - Schedule of Derivative Instruments (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Derivative [Line Items]
Interest expense, net	$ (28)	$ (21)	$ (49)	$ (40)
Other, net	7	$ 7	11	$ 14
Designated as Hedging Instrument [Member] \| Fair Value Hedging [Member] \| Other Contract [Member]
Derivative [Line Items]
Interest expense, net	(4)		(22)
Other, net	0		0
Designated as Hedging Instrument [Member] \| Fair Value Hedging [Member] \| Interest Rate Swap [Member]
Derivative [Line Items]
Fair Value and Carrying Amounts	22		22
Interest expense, net	4		22
Other, net	0		0
Designated as Hedging Instrument [Member] \| Cash Flow Hedging [Member] \| Other Contract [Member]
Derivative [Line Items]
Interest expense, net	0		0
Other, net	2		0
Designated as Hedging Instrument [Member] \| Cash Flow Hedging [Member] \| Cross Currency Interest Rate Contract [Member]
Derivative [Line Items]
Fair Value and Carrying Amounts	0		0
Interest expense, net	0		0
Other, net	$ (2)		$ 0