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LEGAL PROCEEDINGS AND CONTINGENCIES (Details) $ in Millions |  | 1 Months Ended | 6 Months Ended
--- | --- | --- | ---
Mar. 31, 2016 party | Sep. 30, 2019 USD ($) | Jan. 03, 2020 USD ($)
Exelis | Passaic River Alaska |  |  |
Loss Contingencies [Line Items] |  |  |
Number of potentially responsible parties notified (over 100) | party | 100 |  |
Estimated cost for all participating parties of EPA's preferred alternative |  |  | $ 1,380
U.S. Export Control Violations | Settled Litigation |  |  |
Loss Contingencies [Line Items] |  |  |
Civil penalty amount |  | $ 13 |
Civil penalty payment period |  | 3 years |
Civil penalty suspended amount conditioned to remedial compliance |  | $ 7 |

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