TAXES - Changes in Unrecognized Tax Benefits (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Changes in unrecognized tax benefits
Beginning balance	$ 42	$ 47	$ 139
Current year increases			15
Prior year decreases			(8)
Prior years increases	88	2
Effectively settled with taxing authorities	(24)		(97)
Decrease for lapse in statute	(1)	(7)	(2)
Ending balance	$ 105	$ 42	$ 47