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Investments (Tables) | 12 Months Ended
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Dec. 31, 2019
Financial Instruments [Abstract] |
Summary of investments | As at December 31, 2019 and 2018, the Company had the following investments:
|  | 2019 |  |  | 2018 |
Investment in PrairieSky Royalty Ltd. |  | $ | 345 |  |  | $ | 400 |
Investment in Inter Pipeline Ltd. |  | 145 |  |  | 124 |
|  | $ | 490 |  |  | $ | 524 |
The loss (gain) from the investment in PrairieSky was comprised as follows:
|  | 2019 |  |  | 2018 |  |  | 2017 |
Fair value loss (gain) from PrairieSky |  | $ | 55 |  |  | $ | 326 |  |  | $ | (3 | )
Dividend income from PrairieSky |  | (17 | ) |  | (17 | ) |  | (17 | )
|  | $ | 38 |  |  | $ | 309 |  |  | $ | (20 | )
The (gain) loss from the investment in Inter Pipeline was comprised as follows:
|  | 2019 |  |  | 2018 |  |  | 2017 |
Fair value (gain) loss from Inter Pipeline |  | $ | (21 | ) |  | $ | 43 |  |  | $ | 23 |
Dividend income from Inter Pipeline |  | (11 | ) |  | (11 | ) |  | (10 | )
|  | $ | (32 | ) |  | $ | 32 |  |  | $ | 13 |

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