v3.19.3.a.u2
Additional Financial Information (Consolidated Statements Of Income) (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Additional Financial Information [Abstract]      
Advertising expense $ 6,121 $ 5,100 $ 3,772
Interest expense incurred 8,622 8,450 7,203
Capitalized interest (200) (493) (903)
Total interest expense $ 8,422 $ 7,957 $ 6,300