Consolidated Balance Sheets - USD ($) $ in Millions	Dec. 31, 2017	Dec. 31, 2016
Assets
Cash and cash equivalents	$ 394	$ 427
Short-term marketable securities	62	62
Receivables (net of reserves: 2017 - $9 and 2016 - $8)	233	183
Inventories	252	236
Income taxes receivable	15	1
Other current assets	35	40
Total current assets	991	949
Long-term marketable securities	37	29
Property, plant and equipment, net	1,762	1,707
Deferred income taxes	287	492
Equity method investments	686	628
Goodwill and intangible assets	43	8
Other assets	45	56
Total assets	3,851	3,869
Liabilities and Stockholders’ Equity
Accounts payable	280	237
Accrued expenses	135	175
Income taxes payable	0	10
Total current liabilities	415	422
Long-term debt	1,078	1,083
Deferred income taxes	4	4
Pension and other postretirement benefits	326	290
Other liabilities	183	184
Total liabilities	2,006	1,983
Stockholders’ Equity:
Preferred stock – $1 par value, authorized 36,000,000 shares; outstanding - none	0	0
Common stock – $0.10 par value; authorized 200,000,000 shares; issued: 2017 - 146,513,000 shares and 2016 - 146,167,000 shares	15	15
Treasury stock at cost; 2017 - 5,571,000 shares and 2016 - 0 shares	(169)	0
Additional paid-in capital	3,057	3,038
Accumulated other comprehensive loss	(389)	(385)
Retained earnings (accumulated deficit)	(669)	(782)
Total stockholders’ equity	1,845	1,886
Total liabilities and stockholders’ equity	$ 3,851	$ 3,869