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Net Other Operating (Income) Losses (Tables) | 12 Months Ended
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Dec. 31, 2018
Analysis of income and expense [abstract] |
Disclosure of components of net other operating (income) losses | Net other operating expense (income) includes the following:
Year ended Dec. 31 | 2018 |  | 2017 |  | 2016 |
Alberta Off-Coal Agreement | (40 | ) | (40 | ) | — |
Termination of the Sundance B and C PPAs | (157 | ) | — |  | — |
Mississauga cogeneration facility NUG Contract | — |  | (9 | ) | (191 | )
Insurance recoveries | (7 | ) | — |  | (3 | )
Restructuring provision | — |  | — |  | 1 |
Net other operating expense (income) | (204 | ) | (49 | ) | (193 | )

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