Working Capital Detail (Detail) - USD ($) $ in Millions	Dec. 31, 2016	Dec. 31, 2015
Disclosure Components Of Working Capital Detail [Abstract]
Trade - net	$ 2,324	$ 2,343
Equity affiliates	3	4
Other - net	365	362
Receivables	2,692	2,709
Finished products	969	1,055
Work in process	165	161
Raw materials	375	402
Supplies	37	41
Total inventory at LIFO	1,546	1,659
Trade	1,940	1,886
Accrued payroll	447	466
Customer rebates	235	232
Other postretirement and pension benefits	124	131
Income taxes	93	106
Other	671	598
Accounts payable and accrued liabilities	$ 3,510	$ 3,419