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Other Income, Net (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Other Income and Expenses [Abstract]    
Gains/(Losses) on derivatives $ (18) $ (178)
Currency revaluation gains/(losses) (61) 131
Interest and investment income 63 79
Other 4 27
Other income, net $ (12) $ 59