Consolidated Balance Sheets - USD ($) $ in Millions	Dec. 31, 2017	Dec. 31, 2016
Current assets
Cash and cash equivalents	$ 1,531	$ 459
Accounts receivable, net	1,001	939
Inventories	900	801
Prepaid expenses and other current assets	30	48
Restricted cash	1	161
Total current assets	3,463	2,408
Property, plant and equipment, net	6,412	6,420
Goodwill	1,012	947
Customer relationships, net	616	611
Other intangible assets, net	161	176
Other assets, net	412	328
Total assets	12,076	10,890
Current liabilities
Accounts payable	600	496
Accrued liabilities	657	538
Current portion of long-term debt, net	710	0
Term loan	0	149
Total current liabilities	1,967	1,183
Long-term debt, net	3,127	3,679
Deferred income taxes	1,111	1,650
Pension and other post-retirement benefits	344	365
Other liabilities	158	121
Total liabilities	6,707	6,998
Stockholders' equity
Preferred stock, $0.01 par value, 50,000,000 shares authorized; no shares issued and outstanding	0	0
Common stock, $0.01 par value, 300,000,000 shares authorized; 134,651,380 and 134,651,380 shares issued at December 31, 2017 and 2016, respectively	1	1
Common stock, held in treasury, at cost; 5,232,875 and 5,726,377 shares at December 31, 2017 and 2016, respectively	(302)	(319)
Additional paid-in capital	555	551
Retained earnings	4,613	3,412
Accumulated other comprehensive loss	7	(121)
Total Westlake Chemical Corporation stockholders' equity	4,874	3,524
Noncontrolling interests	495	368
Total equity	5,369	3,892
Total liabilities and equity	$ 12,076	$ 10,890