v3.22.4

Segment and Related Information - Reconciliation of Certain Segment Information to Consolidated Totals​ (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Segment Reporting Information [Line Items]
Consolidated sales	$ 8,961	$ 7,504	$ 5,675
Total segment sales
Segment Reporting Information [Line Items]
Consolidated sales	9,013	7,538	5,700
Total segment sales | Extrusions
Segment Reporting Information [Line Items]
Consolidated sales	411	307	383
Elimination of intersegment sales
Segment Reporting Information [Line Items]
Consolidated sales	(46)	(34)	(21)
Elimination of intersegment sales | Extrusions
Segment Reporting Information [Line Items]
Consolidated sales	(2)	(1)	(2)
Other
Segment Reporting Information [Line Items]
Consolidated sales	$ (6)	$ 0	$ (4)

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Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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-Name Accounting Standards Codification
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Reference 6: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
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Reference 7: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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-Publisher FASB
-Name Accounting Standards Codification
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Reference 11: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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+ References

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