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BUSINESS SEGMENTS INFORMATION (Long Lived Assets by Geographic Area) (Details) - USD ($)
$ in Millions
Dec. 31, 2019
Dec. 31, 2018
Long Lived assets by geographic area of customer [Line Items]    
Long-lived assets $ 32,488 $ 31,349
Indonesia    
Long Lived assets by geographic area of customer [Line Items]    
Long-lived assets 14,971 14,025
U.S.    
Long Lived assets by geographic area of customer [Line Items]    
Long-lived assets 8,834 8,476
Peru    
Long Lived assets by geographic area of customer [Line Items]    
Long-lived assets 7,215 7,313
Chile    
Long Lived assets by geographic area of customer [Line Items]    
Long-lived assets 1,084 1,077
Other    
Long Lived assets by geographic area of customer [Line Items]    
Long-lived assets $ 384 $ 458