v3.22.4

Revenue from Contracts with Customers (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Segment Reporting, Revenue Reconciling Item [Line Items]
Total end-market revenue	$ 8,961	$ 7,504	$ 5,675
Segment Reconciling Items
Segment Reporting, Revenue Reconciling Item [Line Items]
Total end-market revenue	(6)	0	(4)
External Sales Including Reconciling Items
Segment Reporting, Revenue Reconciling Item [Line Items]
Total end-market revenue	8,967	7,504	5,679
Ground Transportation | External Sales Including Reconciling Items
Segment Reporting, Revenue Reconciling Item [Line Items]
Total end-market revenue	3,119	2,799	1,849
Packaging | External Sales Including Reconciling Items
Segment Reporting, Revenue Reconciling Item [Line Items]
Total end-market revenue	1,603	1,217	773
Aerospace | External Sales Including Reconciling Items
Segment Reporting, Revenue Reconciling Item [Line Items]
Total end-market revenue	959	631	820
Industrial Products and Other | External Sales Including Reconciling Items
Segment Reporting, Revenue Reconciling Item [Line Items]
Total end-market revenue	1,764	1,602	1,120
Building and Construction | External Sales Including Reconciling Items
Segment Reporting, Revenue Reconciling Item [Line Items]
Total end-market revenue	1,522	1,255	1,117
Rolled Products | External Sales Including Reconciling Items
Segment Reporting, Revenue Reconciling Item [Line Items]
Total end-market revenue	7,313	6,187	4,335
Rolled Products | Ground Transportation | External Sales Including Reconciling Items
Segment Reporting, Revenue Reconciling Item [Line Items]
Total end-market revenue	3,010	2,697	1,761
Rolled Products | Packaging | External Sales Including Reconciling Items
Segment Reporting, Revenue Reconciling Item [Line Items]
Total end-market revenue	1,603	1,217	773
Rolled Products | Aerospace | External Sales Including Reconciling Items
Segment Reporting, Revenue Reconciling Item [Line Items]
Total end-market revenue	764	512	598
Rolled Products | Industrial Products and Other | External Sales Including Reconciling Items
Segment Reporting, Revenue Reconciling Item [Line Items]
Total end-market revenue	1,659	1,517	1,049
Rolled Products | Building and Construction | External Sales Including Reconciling Items
Segment Reporting, Revenue Reconciling Item [Line Items]
Total end-market revenue	277	244	154
Building and Construction Systems | External Sales Including Reconciling Items
Segment Reporting, Revenue Reconciling Item [Line Items]
Total end-market revenue	1,245	1,011	963
Building and Construction Systems | Ground Transportation | External Sales Including Reconciling Items
Segment Reporting, Revenue Reconciling Item [Line Items]
Total end-market revenue	0	0	0
Building and Construction Systems | Packaging | External Sales Including Reconciling Items
Segment Reporting, Revenue Reconciling Item [Line Items]
Total end-market revenue	0	0	0
Building and Construction Systems | Aerospace | External Sales Including Reconciling Items
Segment Reporting, Revenue Reconciling Item [Line Items]
Total end-market revenue	0	0	0
Building and Construction Systems | Industrial Products and Other | External Sales Including Reconciling Items
Segment Reporting, Revenue Reconciling Item [Line Items]
Total end-market revenue	0	0	0
Building and Construction Systems | Building and Construction | External Sales Including Reconciling Items
Segment Reporting, Revenue Reconciling Item [Line Items]
Total end-market revenue	1,245	1,011	963
Extrusions | External Sales Including Reconciling Items
Segment Reporting, Revenue Reconciling Item [Line Items]
Total end-market revenue	409	306	381
Extrusions | Ground Transportation | External Sales Including Reconciling Items
Segment Reporting, Revenue Reconciling Item [Line Items]
Total end-market revenue	109	102	88
Extrusions | Packaging | External Sales Including Reconciling Items
Segment Reporting, Revenue Reconciling Item [Line Items]
Total end-market revenue	0	0	0
Extrusions | Aerospace | External Sales Including Reconciling Items
Segment Reporting, Revenue Reconciling Item [Line Items]
Total end-market revenue	195	119	222
Extrusions | Industrial Products and Other | External Sales Including Reconciling Items
Segment Reporting, Revenue Reconciling Item [Line Items]
Total end-market revenue	105	85	71
Extrusions | Building and Construction | External Sales Including Reconciling Items
Segment Reporting, Revenue Reconciling Item [Line Items]
Total end-market revenue	$ 0	$ 0	$ 0

X

- Definition

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
-Name Accounting Standards Codification
-Topic 280
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Reference 6: http://www.xbrl.org/2003/role/disclosureRef
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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
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-Publisher FASB
-Name Accounting Standards Codification
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- Definition

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