CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Statement of Comprehensive Income [Abstract]
NET INCOME	$ 578	$ 544	$ 1,521	$ 1,525
Items related to employee benefit plans:
Change in net actuarial loss, net of $(8), $(69), $(25) and $(93) tax	24	214	74	290
Change in net prior service cost, net of $1, $—, $1 and $(1) tax	(1)	1	(2)	3
Reclassification of realized loss on interest rate swaps to net income, net of $—, $(5), $(5) and $(15) tax	0	16	17	47
Unrealized holding gain (loss) on interest rate swaps, net of $—, $—, $—, and $— tax	0	(1)	0	(1)
Reclassification of realized loss on foreign currency translation to gain on sale of business, net of $—, $—, $—, and $— tax	112	0	112	0
Foreign currency translation adjustment, net of $28, $13, $70 and $16 tax	(120)	(97)	(245)	(103)
Other comprehensive income (loss)	15	133	(44)	236
COMPREHENSIVE INCOME	$ 593	$ 677	$ 1,477	$ 1,761