INCOME TAXES - Changes in Liability for Tax Uncertainties, Excluding Interest (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Changes in liability for tax uncertainties, excluding interest
Balance at beginning of year	$ 41	$ 38	$ 39
Additions for tax positions related to the current year	6	4	3
Additions for tax positions of prior years	1	2	0
Reductions for tax positions of prior years	(1)	0	(1)
Reductions due to statute lapse	(3)	(2)	(3)
Settlements, audit payments, refunds - net	(2)	(1)	0
Balance at end of year	$ 42	$ 41	$ 38