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Segment Information (Tables) | 3 Months Ended
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Mar. 31, 2017
Segment Reporting [Abstract] |
Schedule of Operating Results of Arconic's Reportable Segments | The operating results of Arconic’s reportable segments were as follows:
|  | Engineered |  |  |  |  |  | Transportation |  |  |  |
|  | Products and |  |  | Global Rolled |  |  | and Construction |  |  | Combined |
|  | Solutions |  |  | Products |  |  | Solutions |  |  | Segment |
First quarter ended |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
March 31, 2017 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sales: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Third-party sales |  | $ | 1,485 |  |  | $ | 1,249 |  |  | $ | 449 |  |  | $ | 3,183 |
Intersegment sales |  |  | — |  |  |  | 34 |  |  |  | — |  |  |  | 34 |
Total sales |  | $ | 1,485 |  |  | $ | 1,283 |  |  | $ | 449 |  |  | $ | 3,217 |
Profit and loss: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Depreciation and amortization |  |  | 64 |  |  |  | 50 |  |  |  | 12 |  |  |  | 126 |
Adjusted EBITDA |  |  | 306 |  |  |  | 171 |  |  |  | 72 |  |  |  | 549 |
First quarter ended |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
March 31, 2016 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sales: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Third-party sales |  | $ | 1,449 |  |  | $ | 1,184 |  |  | $ | 429 |  |  | $ | 3,062 |
Intersegment sales |  |  | — |  |  |  | 29 |  |  |  | — |  |  |  | 29 |
Total sales |  | $ | 1,449 |  |  | $ | 1,213 |  |  | $ | 429 |  |  | $ | 3,091 |
Profit and loss: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Depreciation and amortization |  |  | 65 |  |  |  | 50 |  |  |  | 11 |  |  |  | 126 |
Adjusted EBITDA |  |  | 305 |  |  |  | 155 |  |  |  | 64 |  |  |  | 524 |
Schedule of Combined Segment Adjusted EBITDA to Consolidated Net Income | The following table reconciles combined segment adjusted EBITDA to consolidated net income attributable to Arconic:
|  | First quarter ended |
|  | March 31, |
|  | 2017 |  |  | 2016 |
Combined segment adjusted EBITDA |  | $ | 549 |  |  | $ | 524 |
Unallocated amounts: |  |  |  |  |  |  |  |
Depreciation and amortization |  |  | (133 | ) |  |  | (133 | )
Interest expense |  |  | (115 | ) |  |  | (121 | )
Restructuring and other charges |  |  | (73 | ) |  |  | (16 | )
Other income, net |  |  | 354 |  |  |  | 12 |
Discontinued operations |  |  | — |  |  |  | (94 | )
Income taxes |  |  | (162 | ) |  |  | (51 | )
Impact of LIFO |  |  | (19 | ) |  |  | (12 | )
Metal price lag |  |  | 22 |  |  |  | — |
Corporate expense |  |  | (91 | ) |  |  | (76 | )
Other |  |  | (10 | ) |  |  | (17 | )
Consolidated net income attributable to Arconic |  | $ | 322 |  |  | $ | 16 |

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- Definition Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 30 -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8906-108599 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 25 -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8813-108599 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 21 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8721-108599 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8736-108599 + Details
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