Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	$ 3,601
Other comprehensive (loss) income:
Total Other comprehensive income (loss), net of tax	35	$ (1)
Ending balance	3,761
Accumulated other comprehensive loss
Other comprehensive (loss) income:
Total Other comprehensive income (loss), net of tax	35	(1)
Ending balance	(1,806)	(1,864)
Pension and other postretirement benefits
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(653)	(799)
Other comprehensive (loss) income:
Unrecognized net actuarial gain and prior service cost/benefit	3	1
Tax (expense) benefit	(1)	0
Total Other comprehensive (loss) income before reclassifications, net of tax	2	1
Amortization of net actuarial loss and prior service cost	4	12
Tax benefit (expense)	(1)	(3)
Total amount reclassified from Accumulated other comprehensive income (loss), net of tax	3	9
Total Other comprehensive income (loss), net of tax	5	10
Ending balance	(648)	(789)
Foreign currency translation
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(1,193)	(1,062)
Other comprehensive (loss) income:
Total Other comprehensive income (loss), net of tax	34	(31)
Ending balance	(1,159)	(1,093)
Cash flow hedges
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	5	(2)
Other comprehensive (loss) income:
Unrecognized net actuarial gain and prior service cost/benefit	(4)	25
Tax (expense) benefit	1	(6)
Total Other comprehensive (loss) income before reclassifications, net of tax	(3)	19
Amortization of net actuarial loss and prior service cost	(1)	1
Total amount reclassified from Accumulated other comprehensive income (loss), net of tax	(1)	1
Total Other comprehensive income (loss), net of tax	(4)	20
Ending balance	$ 1	$ 18