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LEGAL PROCEEDINGS AND CONTINGENCIES (Details) $ in Millions | 1 Months Ended | 3 Months Ended | 12 Months Ended
--- | --- | --- | ---
Sep. 30, 2019 USD ($) | Mar. 31, 2016 responsible_party | Dec. 31, 2021 USD ($) | Dec. 31, 2021 USD ($)
Exelis | Passaic River Alaska |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Number of potentially responsible parties notified (over 100) | responsible_party |  | 100 |  |
Estimated cost for all participating parties of EPA's preferred alternative |  |  | $ 441.0 | $ 1,380.0
U.S. Export Control Violations | Settled Litigation |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Civil penalty amount | $ 13.0 |  |  |
Civil penalty payment period | 3 years |  |  |
Civil penalty suspended amount conditioned to remedial compliance | $ 6.5 |  |  |

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