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Litigation and Environmental - Lower Passaic River (Details) - Pending Litigation $ in Millions | Oct. 05, 2016 USD ($) mi | Mar. 04, 2016 USD ($) mi | Dec. 31, 2020 mi Parties
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Lower Passaic River Study Area |  |  |
Site Contingency [Line Items] |  |  |
Miles of river | mi |  |  | 17
Number of Parties at a Joint Defense Group | Parties |  |  | 44
Lower Passaic River Study Area | EPA preferred alternative estimate |  |  |
Site Contingency [Line Items] |  |  |
Environmental Remediation Expense | $ |  | $ 1,700 |
Lower Passaic River Study Area | AOC required engineering and design work |  |  |
Site Contingency [Line Items] |  |  |
Environmental Remediation Expense | $ | $ 165 |  |
Lower Passaic River Study Area | Design |  |  |
Site Contingency [Line Items] |  |  |
Estimated Remedy Implementation Period | 4 years |  |
Lower Passaic River Study Area | Clean Up Implementation |  |  |
Site Contingency [Line Items] |  |  |
Estimated Remedy Implementation Period | 6 years |  |
Lower Passaic River Study Area, Lower Portion |  |  |
Site Contingency [Line Items] |  |  |
Miles of river | mi | 8 | 8 | 8

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