Commitments, Contingencies and Guarantees - Narrative (Details) $ in Millions	12 Months Ended
	Dec. 31, 2025 USD ($) wasteSite	Dec. 31, 2024 USD ($)
Other Commitments [Line Items]
Environmental loss contingency statement of financial position extensible enumeration not disclosed flag	estimated undiscounted liability	estimated undiscounted liability
Environmental Litigation
Other Commitments [Line Items]
Number of hzardous waste sites | wasteSite	20
Accrual for environmental loss contingencies | $	$ 89	$ 78
Dow Corning Corporation | Dow Corning Environmental Claims
Other Commitments [Line Items]
Indemnification of excess liability	50.00%