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FINANCIAL INSTRUMENTS AND FAIR VALUE MEASURES 4 (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Cash Flow Hedge Gain Loss Reclassified To Income Statement Locations Paragraph Details [Abstract]      
Gain (Loss) on interest rate swap agreements $ 70 $ (37) $ (29)
Foreign Exchange Mark to Market income (expense) $ 106 $ 394 $ (207)