v3.19.3.a.u2
Inventories (Details) - USD ($)
$ in Millions
Dec. 31, 2019
Dec. 31, 2018
Inventory Disclosure [Abstract]    
Finished goods $ 2,750 $ 2,262
Work in process 4,743 4,701
Raw materials and supplies 790 546
Inventories 8,283 7,508
Noncurrent inventories not included above $ 714 $ 618