Working Capital Detail (Detail) - USD ($) $ in Millions	Dec. 31, 2019	Dec. 31, 2018
Disclosure Components Of Working Capital Detail [Abstract]
Trade - net	$ 2,479	$ 2,505
Equity affiliates	3	4
Other - net	274	336
Total	2,756	2,845
Finished products	1,047	1,105
Work in process	197	193
Raw materials	431	452
Supplies	35	33
Total	1,710	1,783
Trade	2,098	2,177
Accrued payroll	455	424
Customer rebates	280	283
Other postretirement and pension benefits	85	80
Income taxes	46	112
Other	532	547
Total	$ 3,496	$ 3,623