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BUSINESS SEGMENTS INFORMATION (Long Lived Assets by Geographic Area) (Details) - USD ($) $ in Millions | Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
--- | --- | --- | ---
Long Lived assets by geographic area of customer [Line Items] |  |  |
Long-lived assets | $ 26,213 | $ 26,574 | $ 38,795
Assets held for sale |  |  | 4,400
Indonesia |  |  |
Long Lived assets by geographic area of customer [Line Items] |  |  |
Long-lived assets | 8,938 | 8,794 | 7,701
U.S. |  |  |
Long Lived assets by geographic area of customer [Line Items] |  |  |
Long-lived assets | 8,312 | 8,282 | 16,569
Peru |  |  |
Long Lived assets by geographic area of customer [Line Items] |  |  |
Long-lived assets | 7,485 | 7,981 | 8,432
Chile |  |  |
Long Lived assets by geographic area of customer [Line Items] |  |  |
Long-lived assets | 1,221 | 1,269 | 1,387
Other |  |  |
Long Lived assets by geographic area of customer [Line Items] |  |  |
Long-lived assets | $ 257 | $ 248 | $ 4,706

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