RECLASSIFICATIONS FROM ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Details) - USD ($) $ in Millions	3 Months Ended				6 Months Ended
	Jun. 30, 2024	Mar. 31, 2024	Jun. 30, 2023	Mar. 31, 2023	Jun. 30, 2024	Jun. 30, 2023
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	$ 4,366	$ 5,888	$ 6,254	$ 4,324	$ 5,888	$ 4,324
Other comprehensive income before reclassifications					0
Amounts reclassified from other comprehensive income					2
Net current-period other comprehensive income		2		(15)	2
Ending balance	3,765	4,366	6,489	6,254	3,765	6,489
Net actuarial gain (loss) incurred in period	0		0		2	(2)
Total
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(1)	(3)	(9)	6	(3)	6
Net current-period other comprehensive income		2		(15)
Ending balance	(1)	(1)	$ (9)	$ (9)	(1)	$ (9)
Other Postretirement
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance		11			11
Other comprehensive income before reclassifications					0
Amounts reclassified from other comprehensive income					2
Net current-period other comprehensive income					2
Ending balance	13				13
Foreign Currency
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance		$ (14)			(14)
Other comprehensive income before reclassifications					0
Amounts reclassified from other comprehensive income					0
Net current-period other comprehensive income					0
Ending balance	$ (14)				$ (14)