Commitments and Contingent Liabilities Environmental (Details) $ in Millions	Dec. 31, 2025 USD ($)
Loss Contingencies [Line Items]
Environmental Loss Contingency, Statement of Financial Position [Extensible Enumeration]	Accrued and other current liabilities, Other noncurrent obligations
Indemnification Asset	$ 337
Accrual for Environmental Loss Contingencies	562	[1],[2]
Accrual for Environmental Loss Contingencies, Potential Exposure in Excess of Accrual	553	[1]
Superfund Sites [Member]
Loss Contingencies [Line Items]
Accrual for Environmental Loss Contingencies	49
Superfund Sites [Member] | Chemours [Member] | Indemnification Agreement [Member]
Loss Contingencies [Line Items]
Indemnification Asset	22
DuPont de Nemours [Member] | DuPont de Nemours [Member]
Loss Contingencies [Line Items]
Stray liability threshold	200
Chemours related obligation subject to indemnification [Member]
Loss Contingencies [Line Items]
Indemnification Asset	254	[3],[4]
Accrual for Environmental Loss Contingencies	264	[1],[3],[4]
Accrual for Environmental Loss Contingencies, Potential Exposure in Excess of Accrual	204	[1],[3],[4]
Discontinued Operations [Member]
Loss Contingencies [Line Items]
Indemnification Asset	33	[3]
Other Discontinued or Divested Business Obligations
Loss Contingencies [Line Items]
Accrual for Environmental Loss Contingencies	71	[1],[3]
Accrual for Environmental Loss Contingencies, Potential Exposure in Excess of Accrual	201	[1],[3]
Environmental remediation liabilities primarily related to DuPont - subject to indemnity from DuPont [Member]
Loss Contingencies [Line Items]
Indemnification Asset	50	[4]
Accrual for Environmental Loss Contingencies	55	[1],[4]
Accrual for Environmental Loss Contingencies, Potential Exposure in Excess of Accrual	55	[1],[4]
Not subject to indemnification [Member]
Loss Contingencies [Line Items]
Indemnification Asset	0
Accrual for Environmental Loss Contingencies, Gross	112	[1]
Accrual for Environmental Loss Contingencies, Potential Exposure in Excess of Accrual	86	[1]
Indemnification liabilities related to the MOU
Loss Contingencies [Line Items]
Indemnification Asset	0	[2]
Accrual for Environmental Loss Contingencies	60	[1],[2]
Accrual for Environmental Loss Contingencies, Potential Exposure in Excess of Accrual	$ 7	[1],[2]

[1] Accrual balance represents management’s best estimate of the costs of remediation and restoration, although it is reasonably possible that the potential exposure, as indicated, could range above the amounts accrued, as there are inherent uncertainties in these estimates. Accrual balance includes $49 million for remediation of Superfund sites. Amounts do not include possible impacts from the remediation elements of the EPAs October 2021 PFAS Strategic Roadmap (as applicable), except as disclosed on page F-43 relating to Chemours' remediation activities at the Fayetteville Works Facility pursuant to the Consent Order with the North Carolina Department of Environmental Quality ("NC DEQ").

[2] Represents liabilities that are subject to the $150 million threshold and sharing agreements as discussed on page F-36, under the header "Chemours Separation Agreement (Performance Chemicals).

[3] Represents liabilities that are subject to the $200 million threshold and sharing arrangements as discussed on page F-37, under the header "Corteva Separation Agreement."

[4] The company has recorded an indemnification asset related to these accruals, including $22 million related to the Superfund sites.