Commitments and Contingent Liabilities Litigation - Leach and MDL Settlement (Details) - PFOA Matters: Drinking Water Actions [Member]	12 Months Ended	108 Months Ended
	Dec. 31, 2004 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2025 USD ($)	Jan. 01, 2012
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