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COMMITMENTS AND CONTINGENCIES (Details) $ in Millions | Sep. 08, 2017 USD ($) | Dec. 31, 2022 claim
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Threatened Litigation | Denver Transit Installation of Constant Wireless Crossings | Subsidiaries |  |
Loss Contingencies [Line Items] |  |
Alleged damages | $ | $ 37 |
Pending Litigation |  |
Loss Contingencies [Line Items] |  |
Pending litigation cases | claim |  | 0

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