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other income (Tables) | 12 Months Ended
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Dec. 31, 2020
other income |
Schedule of other income |
Years ended December 31 (millions) |  | Note |  | 2020 |  | 2019
Government assistance |  |  |  | $ | 13 |  | $ | 22
Other sublet revenue |  | 19 |  |  | 4 |  |  | 2
Investment income (loss), gain (loss) on disposal of assets and other |  |  |  |  | (12) |  |  | 24
Interest income |  | 21(b) |  |  | 4 |  |  | 4
Changes in business combination-related provisions |  | 25 |  |  | 113 |  |  | 17
|  |  |  | $ | 122 |  | $ | 69

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- Definition Tabular disclosure of each detailed component of other operating income + References No definition available. + Details
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