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Pension, Savings and Other Postretirement Benefit Plans - Narrative (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Defined Benefit Plan Disclosure [Line Items]
Postretirement benefits expense (income)	$ (1)	$ 1	$ (1)	$ 5
Defined contribution plans, contribution expenses	30	$ 34	92	104
Pension Plan
Defined Benefit Plan Disclosure [Line Items]
Pension settlement charges	68		72
Termination benefits charges	4		4
Pension Plan | U.S.
Defined Benefit Plan Disclosure [Line Items]
Pension settlement credit				$ 5
Pension Plan | Non-U.S.
Defined Benefit Plan Disclosure [Line Items]
Contributions to pension plans	8		21
Pension Plan | Non-U.S. | Minimum
Defined Benefit Plan Disclosure [Line Items]
Expected contribution to funded pension plans in current year	20		20
Pension Plan | Non-U.S. | Maximum
Defined Benefit Plan Disclosure [Line Items]
Expected contribution to funded pension plans in current year	30		30
Foreign Pension Plans
Defined Benefit Plan Disclosure [Line Items]
Termination benefits charges	$ 1		$ 1

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Amount of cash outflow for pension benefit. Includes, but is not limited to, employer contribution to fund plan asset and payment to retiree. Excludes other postretirement benefit.

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