Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	$ 4,554	$ 4,037
Other comprehensive (loss) income:
Total Other comprehensive income (loss), net of tax	48	(31)
Ending balance	4,792	4,086
Accumulated other comprehensive loss
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(1,878)	(1,830)
Other comprehensive (loss) income:
Total Other comprehensive income (loss), net of tax	48	(31)
Ending balance	(1,830)	(1,861)
Pension and other postretirement benefits
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(672)	(689)
Other comprehensive (loss) income:
Unrecognized net actuarial loss and prior service benefit and net change from periodic revaluations	(1)	(1)
Tax benefit	1	0
Total Other comprehensive loss before reclassifications, net of tax	0	(1)
Amortization of net actuarial loss and prior service cost and net amount reclassified to earnings	3	5
Tax expense	0	(1)
Total amount reclassified from Accumulated other comprehensive (loss) income, net of tax	3	4
Total Other comprehensive income (loss), net of tax	3	3
Ending balance	(669)	(686)
Foreign currency translation
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(1,207)	(1,136)
Other comprehensive (loss) income:
Total Other comprehensive income (loss), net of tax	45	(37)
Ending balance	(1,162)	(1,173)
Cash flow hedges
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	1	(5)
Other comprehensive (loss) income:
Unrecognized net actuarial loss and prior service benefit and net change from periodic revaluations	(1)	(1)
Tax benefit	0	0
Total Other comprehensive loss before reclassifications, net of tax	(1)	(1)
Amortization of net actuarial loss and prior service cost and net amount reclassified to earnings	2	5
Tax expense	(1)	(1)
Total amount reclassified from Accumulated other comprehensive (loss) income, net of tax	1	4
Total Other comprehensive income (loss), net of tax	0	3
Ending balance	$ 1	$ (2)