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Other Income (Tables) | 12 Months Ended
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Dec. 31, 2018
OTHER INCOME. |
Schedule of other income |
($ millions) |  | 2018 |  | 2017 |  |
Energy trading activities |  |  |  |  |  |
| Unrealized gains (losses) recognized in earnings |  | 129 |  | (37 | ) |
| Gains (losses) on inventory valuation |  | 13 |  | (39 | ) |
Risk management activities(1) |  | 126 |  | (19 | ) |
Investment and interest income |  | 34 |  | 162 |  |
Insurance proceeds(2) |  | 120 |  | 76 |  |
Change in value of pipeline commitments and other |  | 22 |  | (18 | ) |
|  | 444 |  | 125 |  |
(1) Includes fair value changes related to short-term derivative contracts in the Oil Sands and Refining and Marketing segments. (2) 2018 includes business interruption and property damage insurance proceeds for Syncrude and 2017 includes property damage insurance proceeds for Syncrude, in each case within the Oil Sands segment.

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