Restructuring and Other Charges - Schedule of Restructuring and Other Charges (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Restructuring and Related Activities [Abstract]
Layoff costs	$ 3	$ 10	$ 3
Net reversals of previously recorded layoff reserves	(3)	(3)	(1)
Pension and other post-retirement benefits - net settlements (G)	89	0	5
Non-cash asset impairments and accelerated depreciation	0	2	14
Net (gains) loss related to divestitures of assets and businesses	(6)	12	(1)
Other	1	0	3
Total restructuring and other charges	$ 84	$ 21	$ 23

Gain (Loss) On Divestitures Of Assets And Business, Included In Restructuring Charges

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- Definition

Reversal Of Previous Severance Costs

+ References

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- Definition

Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

+ References

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- Definition

Amount of gain (loss) recognized in net periodic benefit (cost) credit from irrevocable action relieving primary responsibility for benefit obligation and eliminating risk related to obligation and assets used to effect settlement.

+ References

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- Definition

Amount of other expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses associated with a discontinued operation or an asset retirement obligation.

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Amount, after cash payment, of expenses associated with exit or disposal activities pursuant to an authorized plan and expenses resulting from the write-down of assets. Excludes expenses related to a business combination, a discontinued operation or an asset retirement obligation.

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- Definition

Amount of expenses for special or contractual termination benefits provided to current employees involuntarily terminated under a benefit arrangement associated exit or disposal activities pursuant to an authorized plan. Excludes expenses related to one-time termination benefits, a discontinued operation or an asset retirement obligation.

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