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Other Income, Net (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Other Income and Expenses [Abstract]    
Gains/(Losses) on derivatives $ (265) $ (18)
Currency revaluation gains/(losses) 183 (61)
Interest and investment income (2) 63
Other 9 4
Other income, net $ (75) $ (12)