v3.22.0.1

Properties, Plants, and Equipment, Net (Tables) | 12 Months Ended
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Dec. 31, 2021
Property, Plant and Equipment [Abstract] |
Schedule of Properties, Plants, and Equipment, Net | The following table details the weighted-average useful lives of structures and machinery and equipment by reporting segment (numbers in years):
| Structures |  | Machinery and equipment
Rolled Products | 33 |  | 22
Building and Construction Systems | 25 |  | 18
Extrusions | 32 |  | 20
December 31, |  | 2021 |  | 2020
Land and land rights |  | $ | 22 |  |  | $ | 23 |
Structures: |  |  |  |
Rolled Products |  | 1,107 |  |  | 1,095 |
Building and Construction Systems |  | 96 |  |  | 95 |
Extrusions |  | 150 |  |  | 150 |
Other |  | 152 |  |  | 153 |
|  | 1,505 |  |  | 1,493 |
Machinery and equipment: |  |  |  |
Rolled Products |  | 4,816 |  |  | 4,787 |
Building and Construction Systems |  | 203 |  |  | 205 |
Extrusions |  | 523 |  |  | 520 |
Other |  | 291 |  |  | 279 |
|  | 5,833 |  |  | 5,791 |
|  | 7,360 |  |  | 7,307 |
Less: accumulated depreciation and amortization |  | 4,878 |  |  | 4,697 |
|  | 2,482 |  |  | 2,610 |
Construction work-in-progress |  | 169 |  |  | 102 |
|  | $ | 2,651 |  |  | $ | 2,712 |

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- Definition Tabular disclosure of physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(13)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 + Details
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