Condensed Consolidated Balance Sheets - USD ($) $ in Millions	Sep. 30, 2018	Dec. 31, 2017
Assets
Cash and cash equivalents	$ 329	$ 394
Short-term marketable securities	61	62
Receivables (net of reserves 2018 - $10 and 2017 - $9)	303	233
Inventories	288	252
Income taxes receivable	16	15
Other current assets	34	35
Total current assets	1,031	991
Long-term marketable securities	38	37
Property, plant and equipment (net of accumulated depreciation and depletion - 2018 - $2,146 and 2017 - $2,053)	1,814	1,762
Deferred income taxes	252	287
Equity method investments	671	686
Goodwill and intangible assets	41	43
Other assets	43	45
Total assets	3,890	3,851
Liabilities and Stockholders’ Equity
Accounts payable	284	280
Accrued expenses	132	135
Dividend payable	72	0
Income taxes payable	2	0
Total current liabilities	490	415
Long-term debt	1,079	1,078
Deferred income taxes	5	4
Pension and other postretirement benefits	281	326
Other liabilities	172	183
Total liabilities	2,027	2,006
Stockholders' Equity:
Preferred stock	0	0
Common stock	15	15
Treasury stock at cost	(209)	(169)
Additional paid-in capital	3,039	3,057
Accumulated other comprehensive loss	(397)	(389)
Retained earnings (accumulated deficit)	(585)	(669)
Total stockholders’ equity	1,863	1,845
Total liabilities and stockholders’ equity	$ 3,890	$ 3,851