OTHER INCOME (EXPENSE), NET (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Other Income and Expenses [Abstract]
Interest income	$ 9	$ 8	$ 4
Components of net periodic benefit cost other than service cost (Note 13)	0	(6)	(13)
Other	4	7	(2)
Other expense, net	$ 13	$ 9	$ (11)