| **INVENTORIES (Tables)**      | 12 Months Ended                                                                                                                                                                                                                                                                            |
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| **Inventory, Net [Abstract]** |                                                                                                                                                                                                                                                                                       |
| Summary of inventories        | Inventories are summarized below: 2017 2016     (In millions)Unbilled costs and accrued earnings on fixed-price contracts$454 $436Finished products96 129Work in process96 110Raw materials and supplies195 192 $841 $867 |

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| - References
No definition available.
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| - Definition
Tabular disclosure of the carrying amount as of the balance sheet date of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process.
+ References
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