v3.20.1

Segment and Related Information​ | 3 Months Ended
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Mar. 31, 2020
Segment Reporting [Abstract] |
Segment and Related Information​ | Segment and Related Information​ The operating results of Arconic Corporation’s reportable segments were as follows (differences between segment totals and Arconic Corporation’s combined totals are in Corporate):
First quarter ended March 31, | ​ | Rolled Products |  | Extrusions |  | Building and Construction Systems |  | Total
2020 | ​ | ​ |  |  | ​ |  |  | ​ |  |  | ​ |
Sales: | ​ | ​ |  |  | ​ |  |  | ​ |  |  | ​ |
Third-party sales-unrelated party | ​ | $ | 1,201 |  |  | $ | 119 |  |  | $ | 256 |  |  | $ | 1,576 |
Third-party sales-related party | ​ | 21 |  |  | 14 |  |  | — |  |  | 35 |
Intersegment sales | ​ | 7 |  |  | — |  |  | — |  |  | 7 |
Total sales | ​ | $ | 1,229 |  |  | $ | 133 |  |  | $ | 256 |  |  | $ | 1,618 |
Segment operating profit | ​ | $ | 125 |  |  | $ | 6 |  |  | $ | 28 |  |  | $ | 159 |
Supplemental information: | ​ |  |  |  |  |  |  |
Provision for depreciation and amortization | ​ | $ | 46 |  |  | $ | 6 |  |  | $ | 4 |  |  | $ | 56 |
Restructuring and other charges (E) | ​ | 9 |  |  | (31 | ) |  | 1 |  |  | (21 | )
2019 | ​ |  |  |  |  |  |  |
Sales: | ​ |  |  |  |  |  |  |
Third-party sales-unrelated party | ​ | $ | 1,376 |  |  | $ | 132 |  |  | $ | 281 |  |  | $ | 1,789 |
Third-party sales-related party | ​ | 35 |  |  | 17 |  |  | — |  |  | 52 |
Intersegment sales | ​ | 7 |  |  | — |  |  | — |  |  | 7 |
Total sales | ​ | $ | 1,418 |  |  | $ | 149 |  |  | $ | 281 |  |  | $ | 1,848 |
Segment operating profit | ​ | $ | 91 |  |  | $ | (4 | ) |  | $ | 22 |  |  | $ | 109 |
Supplemental information: | ​ |  |  |  |  |  |  |
Provision for depreciation and amortization | ​ | $ | 47 |  |  | $ | 7 |  |  | $ | 5 |  |  | $ | 59 |
Restructuring and other charges (E) | ​ | 6 |  |  | — |  |  | 5 |  |  | 11 |
The following table reconciles total segment operating profit to combined income before income taxes:
First quarter ended March 31, | ​ | 2020 | ​ | 2019
Total segment operating profit | ​ | $ | 159 |  |  | $ | 109 |
Unallocated amounts: | ​ |  |  |  |  |
Cost allocations (A) | ​ | (26 | ) |  | (34 | )
Restructuring and other charges (E) | ​ | 19 |  |  | (2 | )
Other | ​ | — |  |  | 7 |
Combined operating income | ​ | 152 |  |  | 80 |
Interest expense | ​ | (35 | ) |  | (28 | )
Other (expenses) income, net (F) | ​ | (26 | ) |  | 14 |
Combined income before income taxes | ​ | $ | 91 |  |  | $ | 66 |

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- Definition The entire disclosure for reporting segments including data and tables. Reportable segments include those that meet any of the following quantitative thresholds a) it's reported revenue, including sales to external customers and intersegment sales or transfers is 10 percent or more of the combined revenue, internal and external, of all operating segments b) the absolute amount of its reported profit or loss is 10 percent or more of the greater, in absolute amount of 1) the combined reported profit of all operating segments that did not report a loss or 2) the combined reported loss of all operating segments that did report a loss c) its assets are 10 percent or more of the combined assets of all operating segments. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -URI http://asc.fasb.org/topic&trid=2134510 + Details
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