Inventories (Detail) - USD ($) $ in Millions	Jun. 30, 2023	Dec. 31, 2022
Inventory Disclosure [Abstract]
Raw materials	$ 6,395	$ 6,381
Work in process and other	3,532	3,464
Finished manufactured goods	5,545	5,739
Goods acquired for resale	9,823	9,782
Total inventory	$ 25,295	$ 25,366