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Other Expense (Income), Net | 9 Months Ended
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Sep. 30, 2018
Other Income and Expenses [Abstract] |
Other Expense (Income), Net | Other Expense (Income), Net
| Third quarter ended |  | Nine months ended
| September 30, |  | September 30,
| 2018 |  | 2017 |  | 2018 |  | 2017
Non-service related net periodic benefit cost | $ | 27 |  |  | $ | 39 |  |  | $ | 83 |  |  | $ | 116 |
Interest income | (6 | ) |  | (5 | ) |  | (16 | ) |  | (13 | )
Foreign currency losses (gains), net | 6 |  |  | (1 | ) |  | 20 |  |  | (4 | )
Net loss (gain) from asset sales | 2 |  |  | 1 |  |  | 7 |  |  | (514 | )
Other, net | (21 | ) |  | 4 |  |  | (25 | ) |  | 5 |
| $ | 8 |  |  | $ | 38 |  |  | $ | 69 |  |  | $ | (410 | )
For the third quarter and nine months ended September 30, 2018, Non-service related net periodic benefit cost included lower net actuarial losses as a result of pension actions taken during 2018 (see Note G). For the third quarter and nine months ended September 30, 2018, Other, net included a benefit from establishing a tax indemnification receivable of $29 reflecting Alcoa Corporation’s 49% share of a Spanish tax reserve (see Notes H and Q). For the nine months ended September 30, 2017, Net loss (gain) from asset sales included a gain on the sale of a portion of Arconic’s investment in Alcoa Corporation common stock of $351 that resulted in cash proceeds of $888 which were recorded in Sale of investments within Investing Activities in the Statement of Consolidated Cash Flows and a $167 gain on the debt-for-equity exchange with two investment banks (the “Investment Banks”) of the remaining portion of Arconic’s retained interest in Alcoa Corporation common stock for a portion of the Company’s outstanding notes held by the Investment Banks (the “Debt-for-Equity Exchange”).

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- Definition The entire disclosure for the components of non-operating income or non-operating expense, including, but not limited to, amounts earned from dividends, interest on securities, gain (loss) on securities sold, equity earnings of unconsolidated affiliates, gain (loss) on sales of business, interest expense and other miscellaneous income or expense items. + References No definition available. + Details
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