Additional commitments for capital improvements between year two and three.

No definition available.

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- Definition

Annual capacity of production.

+ References

No definition available.

+ Details

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- Definition

Percentage of minimum production of annual capacity.

+ References

No definition available.

+ Details

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- Definition

Percentage of reduced production in response to domestic natural gas.

+ References

No definition available.

+ Details

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- Definition

Restructuring and other charges (benefit) net.

+ References

No definition available.

+ Details

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- Definition

Date the declared dividend will be paid, in YYYY-MM-DD format.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 3
-URI https://asc.fasb.org/extlink&oid=126999549&loc=d3e4304-108586

+ Details

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- Definition

The per share amount of a dividend declared, but not paid, as of the financial reporting date.

+ References

+ Details

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- Definition

Date the dividend to be paid was declared, in YYYY-MM-DD format.

+ References

+ Details

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- Definition

Date the holder must own the stock to be entitled to the dividend, in YYYY-MM-DD format.

+ References

No definition available.

+ Details

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- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

+ References

No definition available.

+ Details

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- Details

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Subsequent Events - Additional Information (Detail) $ / shares in Units, $ in Millions			1 Months Ended	3 Months Ended
	Feb. 23, 2023 $ / shares	Feb. 03, 2023 USD ($) kt	Oct. 31, 2021 $ / shares	Mar. 31, 2023 USD ($)	Jan. 31, 2023	Dec. 31, 2022 $ / shares
Scenario Forecast [Member] \| San Ciprian Facility [Member]
Subsequent Event [Line Items]
Restructuring and other charges, net \| $				$ 50
Subsequent Event [Member] \| Australia [Member]
Subsequent Event [Line Items]
Percentage of reduced production in response to domestic natural gas					30.00%
Subsequent Event [Member] \| San Ciprian Facility [Member]
Subsequent Event [Line Items]
Percentage of minimum production of annual capacity		75.00%
Annual capacity of production \| kt		228
Additional commitment for capital improvements spent between 2024 and 2025 \| $		$ 78
Common Stock [Member]
Subsequent Event [Line Items]
Dividend, declared date			Oct. 31, 2021
Quarterly cash dividend declared per share \| $ / shares			$ 0.10			$ 0.10
Common Stock [Member] \| Subsequent Event [Member]
Subsequent Event [Line Items]
Dividend, declared date	Feb. 23, 2023
Quarterly cash dividend declared per share \| $ / shares	$ 0.10
Dividend, payable date	Mar. 23, 2023
Dividend, record date	Mar. 07, 2023