Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
Statement of Cash Flows [Abstract]
Cash and cash equivalents at beginning of year	$ 439,272	$ 746,724
Cash flows from operating activities:
Net income	1,653,345	189,473
Adjustments to reconcile net income to cash flows from operating activities:
Depreciation and amortization	215,280	185,765
(Gain) loss on sale of business/interest in properties	8,400	(428,424)
Stock-based compensation and other	24,649	14,668
Equity in net income of unconsolidated investments (net of tax)	(449,476)	(62,215)
Dividends received from unconsolidated investments and nonmarketable securities	350,895	43,374
Pension and postretirement benefit	(12,299)	(12,451)
Pension and postretirement contributions	(10,929)	(24,145)
Unrealized gain on investments in marketable securities	3,864	(3,912)
Loss on early extinguishment of debt	19,219	28,955
Deferred income taxes	77,968	(38,924)
Working capital changes	(1,004,236)	456,405
Non-cash transfer of 40% value of construction in progress of Kemerton plant to MRL	115,969	135,928
Other, net	(37,047)	6,089
Net cash provided by operating activities	955,602	490,586
Cash flows from investing activities:
Capital expenditures	(815,934)	(652,739)
Proceeds from Divestiture of Businesses, Net of Cash Divested	0	289,791
Sales of marketable securities, net	3,132	4,407
Investments in equity and other corporate investments	(507)	(286)
Net cash used in investing activities	(813,309)	(358,827)
Cash flows from financing activities:
Proceeds from issuance of common stock	0	1,453,888
Repayments of long-term debt and credit agreements	(455,000)	(1,173,823)
Proceeds from borrowings of long-term debt and credit agreements	1,964,216	0
-391067000	(391,067)	(327,292)
Fees related to early extinguishment of debt	(9,767)	(24,877)
Dividends paid to shareholders	(138,165)	(132,236)
Dividends paid to noncontrolling interests	(44,208)	(61,178)
Proceeds from exercise of stock options	1,590	16,220
Withholding taxes paid on stock-based compensation award distributions	(12,150)	(7,755)
Other	(4,198)	(1,384)
Net cash provided by (used in) financing activities	911,251	(258,437)
Net effect of foreign exchange on cash and cash equivalents	(110,013)	(24,997)
Increase in cash and cash equivalents	943,531	(151,675)
Cash and cash equivalents at end of period	$ 1,382,803	$ 595,049