v3.20.1

Revenue from Contracts with Customers | 3 Months Ended
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Mar. 31, 2020
Revenue from Contract with Customer [Abstract] |
Revenue from Contracts with Customers | Revenue from Contracts with Customers​ The following table disaggregates revenue by major end market served.
First quarter ended March 31, | ​ | Rolled Products | ​ | Extrusions | ​ | Building and Construction Systems | ​ | Arconic Corporation
2020 | ​ | ​ |  |  | ​ |  |  | ​ |  |  | ​ |
Ground Transportation | ​ | $ | 499 |  |  | $ | 30 |  |  | $ | — |  |  | $ | 529 |
Building and Construction | ​ | 35 |  |  | — |  |  | 256 |  |  | 291 |
Aerospace | ​ | 225 |  |  | 75 |  |  | — |  |  | 300 |
Industrial Products | ​ | 275 |  |  | 23 |  |  | — |  |  | 298 |
Packaging | ​ | 178 |  |  | — |  |  | — |  |  | 178 |
Other | ​ | 10 |  |  | 5 |  |  | — |  |  | 15 |
Total end-market revenue | ​ | $ | 1,222 |  |  | $ | 133 |  |  | $ | 256 |  |  | $ | 1,611 |
2019 | ​ | ​ |  | ​ | ​ |  | ​ | ​ |  | ​ | ​ |
Ground Transportation | ​ | $ | 651 |  |  | $ | 31 |  |  | $ | — |  |  | $ | 682 |
Building and Construction | ​ | 49 |  |  | — |  |  | 281 |  |  | 330 |
Aerospace | ​ | 246 |  |  | 74 |  |  | — |  |  | 320 |
Industrial Products | ​ | 248 |  |  | 32 |  |  | — |  |  | 280 |
Packaging | ​ | 210 |  |  | — |  |  | — |  |  | 210 |
Other | ​ | 7 |  |  | 12 |  |  | — |  |  | 19 |
Total end-market revenue | ​ | $ | 1,411 |  |  | $ | 149 |  |  | $ | 281 |  |  | $ | 1,841 |

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- Definition The entire disclosure of revenue from contract with customer to transfer good or service and to transfer nonfinancial asset. Includes, but is not limited to, disaggregation of revenue, credit loss recognized from contract with customer, judgment and change in judgment related to contract with customer, and asset recognized from cost incurred to obtain or fulfill contract with customer. Excludes insurance and lease contracts. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -URI http://asc.fasb.org/topic&trid=49130388 + Details
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