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Consolidated Statements of Comprehensive Income (Parentheticals) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Statement of Comprehensive Income [Abstract]        
Foreign currency translation, tax $ 11 $ 7 $ (1) $ 3
Derivative financial instruments:        
Gains (losses) deferred, tax 9 5 (10) 6
(Gains) losses reclassified to earnings, tax $ (11) $ 0 $ 5 $ 3