Consolidated Balance Sheets - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Current assets
Cash and cash equivalents	$ 2,228	$ 1,908
Accounts receivable, net	1,801	1,868
Inventories	1,866	1,407
Prepaid expenses and other current assets	78	80
Total current assets	5,973	5,263
Property, plant and equipment, net	8,525	7,606
Operating lease right-of-use assets	615	562
Goodwill	2,161	2,024
Customer relationships, net	993	1,083
Other intangible assets, net	572	497
Equity method investments	1,142	1,007
Other assets, net	569	417
Total assets	20,550	18,459
Current liabilities
Accounts payable	889	879
Accrued and other liabilities	1,409	1,196
Current portion of long-term debt, net	0	269
Total current liabilities	2,298	2,344
Long-term debt, net	4,879	4,911
Deferred income taxes	1,735	1,681
Pension and other post-retirement benefits	355	291
Operating lease liabilities	504	461
Other liabilities	314	243
Total liabilities	10,085	9,931
Commitments and contingencies
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, 2022 and 2021, respectively	1	1
Common stock, held in treasury, at cost; 7,278,651 and 6,735,639 shares at December 31, 2022 and 2021, respectively	(467)	(399)
Additional paid-in capital	601	581
Retained earnings	9,885	7,808
Accumulated other comprehensive loss	(89)	(36)
Total Westlake Corporation stockholders' equity	9,931	7,955
Noncontrolling interests	534	573
Total equity	10,465	8,528
Total liabilities and equity	$ 20,550	$ 18,459