BUSINESS SEGMENTS INFORMATION (Long Lived Assets by Geographic Area) (Details) - USD ($) $ in Millions	Dec. 31, 2020	Dec. 31, 2019
Long Lived assets by geographic area of customer [Line Items]
Long-lived assets	$ 32,438	$ 32,488
Indonesia
Long Lived assets by geographic area of customer [Line Items]
Long-lived assets	15,567	14,971
U.S.
Long Lived assets by geographic area of customer [Line Items]
Long-lived assets	8,420	8,834
Peru
Long Lived assets by geographic area of customer [Line Items]
Long-lived assets	6,989	7,215
Chile
Long Lived assets by geographic area of customer [Line Items]
Long-lived assets	1,172	1,084
Other
Long Lived assets by geographic area of customer [Line Items]
Long-lived assets	$ 290	$ 384