Supplementary Information - Consolidated Balance Sheets (Details) - USD ($) $ in Millions	Dec. 31, 2017	Dec. 31, 2016
Accounts receivable net:
Accounts receivable trade	$ 760	$ 751
Accounts receivable other	209	178
Allowance for doubtful accounts	(8)	(6)
Total accounts receivable — net	961	923
Inventories:
Finished and in process	495	478
Raw materials	278	260
Manufacturing supplies and other	50	51
Total inventories	823	789
Accrued liabilities:
Compensation-related costs	101	107
Income taxes payable	22	40
Unrecognized tax benefits		72
Dividends payable	44	36
Accrued interest	15	19
Taxes payable other than income taxes	37	36
Other	125	122
Total accrued liabilities	344	432
Non-current liabilities:
Employees pension, indemnity and postretirement	121	109
Other	106	49
Total non-current liabilities	$ 227	$ 158