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FINANCIAL INSTRUMENTS AND FAIR VALUE MEASURES 4 (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Fair Value Disclosures [Abstract]        
Gain (loss) on interest rate swap agreements $ 14 $ 37 $ 219 $ 63
Foreign exchange mark-to-market (ncome) expense 217 $ (96) (67) $ (49)
Cash collateral received $ 420   $ 420