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Severance, acquisition and other costs (Tables) | 12 Months Ended
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Dec. 31, 2020
Analysis of income and expense [abstract] |
Disclosure of severance, acquisition and other costs |
FOR THE YEAR ENDED DECEMBER 31 | 2020 | 2019
Severance | (35) |  | (63) |
Acquisition and other | (81) |  | (51) |
Total severance, acquisition and other costs | (116) |  | (114) |

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