v3.20.2

Revenue from Contracts with Customers | 9 Months Ended
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Sep. 30, 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.
Third quarter ended September 30, |  | Rolled Products |  | Building and Construction Systems |  | Extrusions |  | Total
2020 |  | ​ |  | ​ |  | ​ |  | ​
Ground Transportation |  | $ | 493 |  |  | $ | — |  |  | $ | 25 |  |  | $ | 518 |
Building and Construction |  | 42 |  |  | 241 |  |  | — |  |  | 283 |
Aerospace |  | 107 |  |  | — |  |  | 44 |  |  | 151 |
Industrial Products and Other |  | 252 |  |  | — |  |  | 13 |  |  | 265 |
Packaging |  | 198 |  |  | — |  |  | — |  |  | 198 |
Total end-market revenue |  | $ | 1,092 |  |  | $ | 241 |  |  | $ | 82 |  |  | $ | 1,415 |
2019 |  | ​ |  | ​ |  | ​ |  | ​
Ground Transportation |  | $ | 592 |  |  | $ | — |  |  | $ | 26 |  |  | $ | 618 |
Building and Construction |  | 47 |  |  | 282 |  |  | — |  |  | 329 |
Aerospace |  | 243 |  |  | — |  |  | 68 |  |  | 311 |
Industrial Products and Other |  | 279 |  |  | — |  |  | 32 |  |  | 311 |
Packaging |  | 236 |  |  | — |  |  | — |  |  | 236 |
Total end-market revenue |  | $ | 1,397 |  |  | $ | 282 |  |  | $ | 126 |  |  | $ | 1,805 |
Nine months ended September 30, | ​ | Rolled Products |  | Building and Construction Systems |  | Extrusions |  | Total
2020 | ​ | ​ |  | ​ |  | ​ |  | ​
Ground Transportation | ​ | $ | 1,242 |  |  | $ | — |  |  | $ | 62 |  |  | $ | 1,304 |
Building and Construction | ​ | 110 |  |  | 727 |  |  | — |  |  | 837 |
Aerospace | ​ | 505 |  |  | — |  |  | 183 |  |  | 688 |
Industrial Products and Other | ​ | 766 |  |  | — |  |  | 51 |  |  | 817 |
Packaging | ​ | 571 |  |  | — |  |  | — |  |  | 571 |
Total end-market revenue | ​ | $ | 3,194 |  |  | $ | 727 |  |  | $ | 296 |  |  | $ | 4,217 |
2019 |  | ​ |  | ​ |  | ​ |  | ​
Ground Transportation |  | $ | 1,878 |  |  | $ | — |  |  | $ | 88 |  |  | $ | 1,966 |
Building and Construction |  | 149 |  |  | 855 |  |  | — |  |  | 1,004 |
Aerospace |  | 754 |  |  | — |  |  | 221 |  |  | 975 |
Industrial Products and Other |  | 826 |  |  | — |  |  | 111 |  |  | 937 |
Packaging |  | 687 |  |  | — |  |  | — |  |  | 687 |
Total end-market revenue |  | $ | 4,294 |  |  | $ | 855 |  |  | $ | 420 |  |  | $ | 5,569 |

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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 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130551-203045 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 13 -Subparagraph (b)(2) -URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130556-203045 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 12 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130554-203045 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130550-203045 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 12 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130554-203045 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 12 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130554-203045 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 12 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130554-203045 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130558-203045 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 12 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130554-203045 + Details
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