ACCUMULATED OTHER COMPREHENSIVE LOSS (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning balance	$ 3,069	$ 2,937
Ending balance	3,065	3,005
Accumulated Other Comprehensive (Loss) Gain
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning balance	(655)	(796)
Other comprehensive gain (loss), net of tax, before reclassifications	(3)	10
Amounts reclassified from AOCI, net of tax	4	4
Net current-period other comprehensive gain (loss), net of tax	1	14
Ending balance	(654)	(782)
Currency Translation Adjustments
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning balance	(18)	(238)
Other comprehensive gain (loss), net of tax, before reclassifications	(7)	14
Amounts reclassified from AOCI, net of tax	0	0
Net current-period other comprehensive gain (loss), net of tax	(7)	14
Ending balance	(25)	(224)
Net Actuarial (Loss) Gain and Prior Service Costs
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning balance	(637)	(566)
Other comprehensive gain (loss), net of tax, before reclassifications	0	0
Amounts reclassified from AOCI, net of tax	6	5
Net current-period other comprehensive gain (loss), net of tax	6	5
Ending balance	(631)	(561)
Unrealized Gain (Loss) from Cash Flow Hedges
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning balance	0	8
Other comprehensive gain (loss), net of tax, before reclassifications	4	(4)
Amounts reclassified from AOCI, net of tax	(2)	(1)
Net current-period other comprehensive gain (loss), net of tax	2	(5)
Ending balance	$ 2	$ 3