BUSINESS SEGMENTS INFORMATION (Long Lived Assets by Geographic Area) (Details) - USD ($) $ in Millions	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Long Lived assets by geographic area of customer [Line Items]
Long-lived assets	$ 31,093	$ 26,364	$ 26,704
Indonesia
Long Lived assets by geographic area of customer [Line Items]
Long-lived assets	14,025	8,938	8,794
U.S.
Long Lived assets by geographic area of customer [Line Items]
Long-lived assets	8,208	8,312	8,282
Peru
Long Lived assets by geographic area of customer [Line Items]
Long-lived assets	7,274	7,485	7,981
Chile
Long Lived assets by geographic area of customer [Line Items]
Long-lived assets	1,128	1,221	1,269
Other
Long Lived assets by geographic area of customer [Line Items]
Long-lived assets	$ 458	$ 408	$ 378