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Commitments and Contingent Liabilities Bayer / PFOA / Leach Settlement (Details)	12 Months Ended			15 Months Ended	171 Months Ended
	Dec. 31, 2025 USD ($)	Dec. 31, 2024 USD ($)	Dec. 31, 2004 USD ($)	Mar. 31, 2025 USD ($)	Mar. 31, 2026 USD ($) lawsuits	Jun. 01, 2023 USD ($)	Jan. 01, 2012
MDL Settlement [Domain]
Loss Contingencies [Line Items]
Litigation Settlement, Amount Awarded to Other Party		$ 59,000,000
MDL Settlement [Domain] | Corteva [Member]
Loss Contingencies [Line Items]
Payments for Legal Settlements				$ 8,000,000
Nationwide Water District Settlement
Loss Contingencies [Line Items]
Loss Contingency, Estimate of Possible Loss						$ 1,185,000,000
Number of water district opt-outs					900
Water Districts remaining in Settlement Class					93.00%
Bayer Litigation
Loss Contingencies [Line Items]
Litigation Resolution	$ 610,000,000
Litigation Resolution Payment					$ 546,000,000
PFOA Matters: Drinking Water Actions [Member]
Loss Contingencies [Line Items]
Binding Settlement Agreement Class Size			80,000
Loss Contingency, Number Of Water Districts Receiving Water Treatment							6
Litigation Settlement, Liability For Medical Monitoring Program, Threshold			$ 235,000,000
Litigation Settlement, Medical Monitoring Program, Escrow Account, Disbursements To Date					2,000,000
Escrow Balance					$ 1,000,000
Firefighting Foam [Member]
Loss Contingencies [Line Items]
Loss Contingency, Pending Claims, Number | lawsuits					12,000

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