Supplemental Cash Flow Information Footnote (Details) - USD ($) $ in Thousands		3 Months Ended	12 Months Ended
	Oct. 31, 2019	Dec. 31, 2021	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Cash Flow Supplemental Disclosures [Line Items]
Income taxes (net of refunds of $32,677, $25,991 and $7,438 in 2021, 2020 and 2019, respectively)(a)			$ 130,840	$ 52,103	$ 170,450
Capital expenditures			953,667	850,477	851,796
Transition tax on foreign earnings, current		$ 28,700	28,700	30,400	14,300
Foreign currency exchange rate losses			(100)	28,800	27,400
Anticipated Cost Overruns Expense		$ 132,400
FCS Business
Cash Flow Supplemental Disclosures [Line Items]
Income taxes (net of refunds of $32,677, $25,991 and $7,438 in 2021, 2020 and 2019, respectively)(a)			$ 45,000
Lithium Hydroxide Conversion Assets
Cash Flow Supplemental Disclosures [Line Items]
Ownership percentage	40.00%		40.00%
Mineral Resources Limited Wodgina Project
Cash Flow Supplemental Disclosures [Line Items]
Ownership percentage	60.00%
Consideration transferred	$ 1,300,000
Mineral Resources Limited Wodgina Project | Lithium Hydroxide Conversion Assets
Cash Flow Supplemental Disclosures [Line Items]
Capital expenditures			$ 135,900	$ 179,400	$ 164,700
Consideration transferred			$ 480,000