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PLANT, PROPERTY AND EQUIPMENT, NET Sale of Excess Property (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2018 | Dec. 31, 2017
Long Lived Assets Held-for-sale [Line Items] |  |
Purchase Price for Pending Sale of Real Estate |  | $ 41
Minimum [Member] |  |
Long Lived Assets Held-for-sale [Line Items] |  |
Estimated Gain from Pending Sale of Real Estate | $ 38 |
Maximum [Member] |  |
Long Lived Assets Held-for-sale [Line Items] |  |
Estimated Gain from Pending Sale of Real Estate | $ 40 |

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- Definition 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. + References No definition available. + Details
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- Details
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