v3.19.3.a.u2
Debt (Debt Maturing Within One Year) (Details) - USD ($)
$ in Millions
Dec. 31, 2019
Dec. 31, 2018
Debt Disclosure    
Current maturities of long-term debt $ 11,834 $ 7,190
Commercial paper 0 3,048
Bank borrowings [1] 4 4
Other 0 13
Total $ 11,838 $ 10,255
[1] Outstanding balance of short-term credit facility of a foreign subsidiary.