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Restructuring and Other Charges (Tables) | 6 Months Ended
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Jun. 30, 2016
Restructuring and Related Activities [Abstract] |
Schedule of Restructuring and Other Charges by Reportable Segments, Pretax | The pretax impact of allocating such charges to segment results would have been as follows:
|  | Second quarter ended June 30, |  |  | Six months ended June 30, |
|  | 2016 |  |  | 2015 |  |  | 2016 |  |  | 2015 |
Alumina |  | $ | (1 | ) |  | $ | 10 |  |  | $ | 4 |  |  | $ | 17 |
Primary Metals |  |  | 10 |  |  |  | 173 |  |  |  | 88 |  |  |  | 198 |
Global Rolled Products |  |  | — |  |  |  | 1 |  |  |  | 2 |  |  |  | 136 |
Engineered Products and Solutions |  |  | 9 |  |  |  | 8 |  |  |  | 17 |  |  |  | 11 |
Transportation and Construction Solutions |  |  | 8 |  |  |  | 1 |  |  |  | 8 |  |  |  | 3 |
Segment total |  |  | 26 |  |  |  | 193 |  |  |  | 119 |  |  |  | 365 |
Corporate |  |  | (3 | ) |  |  | 24 |  |  |  | (3 | ) |  |  | 29 |
Total restructuring and other charges |  | $ | 23 |  |  | $ | 217 |  |  | $ | 116 |  |  | $ | 394 |
Activity and Reserve Balances for Restructuring Charges | Activity and reserve balances for restructuring charges were as follows:
|  | Layoff costs |  |  | Other exit costs |  |  | Total |
Reserve balances at December 31, 2014 |  | $ | 98 |  |  | $ | 34 |  |  | $ | 132 |
2015: |  |  |  |  |  |  |  |  |  |  |  |
Cash payments |  |  | (111 | ) |  |  | (12 | ) |  |  | (123 | )
Restructuring charges |  |  | 299 |  |  |  | 233 |  |  |  | 532 |
Other* |  |  | (60 | ) |  |  | (231 | ) |  |  | (291 | )
Reserve balances at December 31, 2015 |  |  | 226 |  |  |  | 24 |  |  |  | 250 |
2016: |  |  |  |  |  |  |  |  |  |  |  |
Cash payments |  |  | (107 | ) |  |  | (22 | ) |  |  | (129 | )
Restructuring charges |  |  | 34 |  |  |  | 41 |  |  |  | 75 |
Other* |  |  | (31 | ) |  |  | 1 |  |  |  | (30 | )
Reserve balances at June 30, 2016 |  | $ | 122 |  |  | $ | 44 |  |  | $ | 166 |
* | Other includes reversals of previously recorded restructuring charges and the effects of foreign currency translation. In the 2016 six-month period, Other for layoff costs also included a reclassification of $1 in pension benefits costs, as this obligation was included in Alcoa’s separate liability for pension benefits obligations (see Note N). Additionally in the 2016 six-month period, Other for other exit costs also included a reclassification of $7 in asset retirement obligations, as this liability was included in Alcoa’s separate reserve for asset retirement obligations. In 2015, Other for layoff costs also included a reclassification of $35 in pension and other postretirement benefits costs, as these obligations were included in Alcoa’s separate liability for pension and other postretirement benefits obligations. Additionally in 2015, Other for other exit costs also included a reclassification of the following restructuring charges: $76 in asset retirement and $86 in environmental obligations, as these liabilities were included in Alcoa’s separate reserves for asset retirement obligations and environmental remediation.

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- Definition Tabular disclosure of the entity restructuring charges before income tax by reportable segment had such charges been included in the entity's segment results. + 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://www.xbrl.org/2003/role/presentationRef -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://www.xbrl.org/2003/role/presentationRef -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=27011515&loc=d3e140904-122747 + Details
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