Commitments and Contingent Liabilities Environmental (Details) - USD ($) $ in Millions		Mar. 31, 2022	Jan. 28, 2022
Loss Contingencies [Line Items]
Indemnification Asset		$ 234
Accrual for Environmental Loss Contingencies	[1]	459
Accrual for Environmental Loss Contingencies, Potential Exposure in Excess of Accrual	[1]	582
Non-PFAS
Loss Contingencies [Line Items]
Request for Remediation Funding Source ("RFS")			$ 900
Chemours related obligation subject to indemnification [Member]
Loss Contingencies [Line Items]
Indemnification Asset	[2],[3]	153
Accrual for Environmental Loss Contingencies	[1],[2],[3]	153
Accrual for Environmental Loss Contingencies, Potential Exposure in Excess of Accrual	[1],[2],[3]	254
Discontinued Operations [Member]
Loss Contingencies [Line Items]
Indemnification Asset	[2]	18
Other discontinued or divested business obligations [Member]
Loss Contingencies [Line Items]
Accrual for Environmental Loss Contingencies	[1],[2]	74
Accrual for Environmental Loss Contingencies, Potential Exposure in Excess of Accrual	[1],[2]	186
Environmental remediation liabilities primarily related to DuPont - subject to indemnity from DuPont [Member]
Loss Contingencies [Line Items]
Indemnification Asset	[3]	42
Accrual for Environmental Loss Contingencies	[1],[3]	44
Accrual for Environmental Loss Contingencies, Potential Exposure in Excess of Accrual	[1],[3]	65
Not subject to indemnification [Member]
Loss Contingencies [Line Items]
Indemnification Asset		0
Accrual for Environmental Loss Contingencies	[1]	80
Accrual for Environmental Loss Contingencies, Potential Exposure in Excess of Accrual	[1]	54
Indemnification liabilities related to the MOU
Loss Contingencies [Line Items]
Indemnification Asset	[4]	21
Accrual for Environmental Loss Contingencies	[1],[4]	108
Accrual for Environmental Loss Contingencies, Potential Exposure in Excess of Accrual	[1],[2],[4]	23
DuPont de Nemours [Member] | DuPont de Nemours [Member]
Loss Contingencies [Line Items]
Stray liability threshold		200
Superfund Sites [Member]
Loss Contingencies [Line Items]
Accrual for Environmental Loss Contingencies		63
Superfund Sites [Member] | Chemours [Member] | Indemnification Agreement [Member]
Loss Contingencies [Line Items]
Indemnification Asset		$ 35

[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 balances includes $63 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) or possible revisions to Chemours' Consent Order with the North Carolina Department of Environmental Quality, as any possible impacts, to the extent such items would be reimbursable under the MOU, are not yet determinable.4.Represents liabilities that are subject to the $150 million threshold and sharing agreements as discussed on page 20, under the header "Chemours / Performance Chemicals."

[2] Represents liabilities that are subject to the $200 million threshold and sharing arrangements as discussed on page 21, under the header "Corteva Separation Agreement."

[3] The company has recorded an indemnification asset related to these accruals, including $35 million related to the Superfund sites.

[4] Represents liabilities that are subject to the $150 million threshold and sharing agreements as discussed on page 20, under the header "Chemours / Performance Chemicals."