Consolidated Balance Sheets (Unaudited) - USD ($) $ in Millions	Sep. 30, 2022	Dec. 31, 2021
Current assets
Cash and cash equivalents	$ 1,778	$ 1,908
Accounts receivable, net	2,181	1,868
Inventories	2,024	1,407
Prepaid expenses and other current assets	118	80
Total current assets	6,101	5,263
Property, plant and equipment, net	8,301	7,606
Operating lease right-of-use assets	583	562
Goodwill	2,143	2,024
Customer relationships, net	1,005	1,083
Other intangible assets, net	570	497
Equity method investments	1,147	1,007
Other assets, net	575	417
Total assets	20,425	18,459
Current liabilities
Accounts payable	994	879
Accrued and other liabilities	1,461	1,196
Current portion of long-term debt, net	6	269
Total current liabilities	2,461	2,344
Long-term debt, net	4,813	4,911
Deferred income taxes	1,803	1,681
Pension and other post-retirement benefits	394	291
Operating lease liabilities	474	461
Other liabilities	292	243
Total liabilities	10,237	9,931
Commitments and contingencies (Note 14)
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 September 30, 2022 and December 31, 2021, respectively	1	1
Common stock, held in treasury, at cost; 6,992,435 and 6,735,639 shares at September 30, 2022 and December 31, 2021, respectively	(439)	(399)
Additional paid-in capital	590	581
Retained earnings	9,700	7,808
Accumulated other comprehensive loss	(231)	(36)
Total Westlake Corporation stockholders' equity	9,621	7,955
Noncontrolling interests	567	573
Total equity	10,188	8,528
Total liabilities and equity	$ 20,425	$ 18,459