CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (UNAUDITED) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Statement of Comprehensive Income [Abstract]
NET INCOME	$ 344	$ 506	$ 943	$ 981
Items related to employee benefit plans:
Change in net actuarial loss, net of $(8), $(12), $(17) and $(24) tax	22	38	50	76
Change in net prior service cost, net of $—, $—, $— and $(1) tax	0	1	(1)	2
Reclassification of realized loss on interest rate swaps to net income, net of $—, $(5), $(5) and $(10) tax	0	16	17	31
Foreign currency translation adjustment, net of $32, $(4), $42 and $3 tax	(192)	80	(125)	(6)
Other comprehensive (loss) income	(170)	135	(59)	103
COMPREHENSIVE INCOME	$ 174	$ 641	$ 884	$ 1,084