Commitments and Contingent Liabilities Litigation - Fayetteville (Details)	12 Months Ended
Dec. 31, 2019
NORTH CAROLINA \| PFOA Matters: Drinking Water Actions [Member]
Loss Contingencies [Line Items]
Loss Contingency, Number of Additional Plaintiffs	100

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

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