Commitments and Contingencies - Narrative (Details) € in Millions, $ in Millions	317 Months Ended
	Mar. 31, 2026 USD ($)	Mar. 31, 2026 EUR (€) numberOfClaims	Mar. 31, 2026 USD ($) numberOfClaims
Loss Contingencies [Line Items]
Loss Contingency, Pending Claims, Number | numberOfClaims		14	14
Indemnification Agreements Hoechst
Loss Contingencies [Line Items]
Number of divestiture agreements		19	19
Indemnification amount | €		€ 250
Indemnification ceiling amount | €		€ 750
Indemnification percentage exceeding ceiling amount		33.33%	33.33%
Loss contingency accrual, carrying value, payments | $	$ 131
Indemnification percentage, other		33.33%	33.33%
Divestiture Agreements
Loss Contingencies [Line Items]
Guarantor obligations, maximum exposure | $			$ 103