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Condensed Consolidated Statements of Comprehensive Income - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Condensed Consolidated Statements of Comprehensive Income [Abstract]    
Net income $ 1,341 $ 1,474
Other comprehensive income/(loss):    
Defined benefit plans 25 22
Foreign currency translation (26) 5
Total other comprehensive income/(loss) [1] (1) 27
Comprehensive income $ 1,340 $ 1,501
[1] Net of deferred taxes of ($8) million and ($7) million during the three months ended March 31, 2021 and 2020, respectively.