CONSOLIDATED STATEMENTS OF COMPREHENSIVE (LOSS) INCOME (UNAUDITED) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Statement of Comprehensive Income [Abstract]
NET (LOSS) INCOME	$ (78)	$ 578	$ (8,303)	$ 1,521
Items related to employee benefit plans:
Change in net actuarial loss, net of $(6), $(8), $(16) and $(25) tax	16	24	47	74
Change in net prior service cost, net of $1, $1, $3 and $1 tax	(3)	(1)	(8)	(2)
Reclassification of realized loss on interest rate swaps to net income, net of $—, $—, $— and $(5) tax	0	0	0	17
Reclassification of realized loss on foreign currency translation to gain on sale of business, net of $—, $ —, $— and $— tax	0	112	0	112
Foreign currency translation adjustment, net of $5, $28, $(3) and $70 tax	(17)	(120)	3	(245)
Other comprehensive (loss) income	(4)	15	42	(44)
COMPREHENSIVE (LOSS) INCOME	$ (82)	$ 593	$ (8,261)	$ 1,477