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Restructuring and Other Charges, Net (Tables) | 6 Months Ended
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Jun. 30, 2021
Restructuring And Related Activities [Abstract] |
Schedule of Restructuring and Other Charges, Net by Reportable Segments, Pretax | Alcoa Corporation does not include Restructuring and other charges, net in the results of its reportable segments. The impact of allocating such charges to segment results would have been as follows:
|  | Second quarter ended June 30, |  |  | Six months ended June 30, |
|  | 2021 |  |  | 2020 |  |  | 2021 |  |  | 2020 |
Bauxite |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | — |
Alumina |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 2 |
Aluminum |  |  | 3 |  |  |  | 37 |  |  |  | 18 |  |  |  | 39 |
Segment total |  |  | 3 |  |  |  | 37 |  |  |  | 18 |  |  |  | 41 |
Corporate |  |  | 30 |  |  |  | — |  |  |  | 22 |  |  |  | (2 | )
Total Restructuring and other charges, net |  | $ | 33 |  |  | $ | 37 |  |  | $ | 40 |  |  | $ | 39 |
Activity and Reserve Balances for Restructuring Charges | Activity and reserve balances for restructuring charges were as follows:
|  | Severance and employee termination costs |  |  | Other costs |  |  | Total |
Balance at December 31, 2019 |  | $ | 35 |  |  | $ | 102 |  |  | $ | 137 |
Restructuring and other charges, net |  |  | 16 |  |  |  | 36 |  |  |  | 52 |
Cash payments |  |  | (41 | ) |  |  | (79 | ) |  |  | (120 | )
Reversals and other |  |  | (4 | ) |  |  | (2 | ) |  |  | (6 | )
Balance at December 31, 2020 |  |  | 6 |  |  |  | 57 |  |  |  | 63 |
Restructuring and other charges, net |  |  | — |  |  |  | 10 |  |  |  | 10 |
Cash payments |  |  | (3 | ) |  |  | (21 | ) |  |  | (24 | )
Reversals and other |  |  | — |  |  |  | — |  |  |  | — |
Balance at June 30, 2021 |  | $ | 3 |  |  | $ | 46 |  |  | $ | 49 |

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- Definition Schedule of restructuring charges, net before income tax not allocated to reportable segment. + References No definition available. + Details
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- References No definition available. + Details
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- Definition Tabular disclosure of an entity's restructuring reserve that occurred during the period associated with the exit from or disposal of business activities or restructurings for each major type of cost. This element may also include a description of any reversal and other adjustment made during the period to the amount of an accrued liability for restructuring activities. This element may be used to encapsulate the roll forward presentations of an entity's restructuring reserve by type of cost and in total, and explanation of changes that occurred in the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b)(2) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4(b)(2)) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747 + Details
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