CONSOLIDATED STATEMENTS OF COMPREHENSIVE (LOSS) INCOME (UNAUDITED) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Statement of Comprehensive Income [Abstract]
NET (LOSS) INCOME	$ (49)	$ (8,736)	$ 8	$ (8,225)
Items related to employee benefit plans:
Change in net actuarial loss, net of $(5), $(5), $(11) and $(10) tax	16	16	34	31
Change in net prior service cost, net of $1, $1, $2 and $2 tax	(2)	(2)	(5)	(5)
Foreign currency translation adjustment, net of $—, $(2), $— and $(8) tax	(1)	2	(5)	20
Other comprehensive income	13	16	24	46
COMPREHENSIVE (LOSS) INCOME	$ (36)	$ (8,720)	$ 32	$ (8,179)