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FINANCIAL INSTRUMENTS AND FAIR VALUE MEASURES 4 (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Fair Value Disclosures [Abstract]    
Gain (loss) on interest rate swap agreements $ 24 $ (46)
Foreign exchange mark-to-market income (expense) $ (47) $ (129)