v3.19.3.a.u2
Income Taxes (Income From Continuing Operations Before Income Taxes) (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Income Tax Disclosure [Abstract]      
Domestic operations $ 16,426 $ 15,779 $ 10,680
Foreign operations 23,199 19,134 16,513
Total $ 39,625 $ 34,913 $ 27,193