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Goodwill (Tables) | 12 Months Ended
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Dec. 31, 2017
Goodwill [Abstract] |
Schedule of Goodwill [Table Text Block] |
22. GOODWILL
The change in goodwill for the year ended December 31 is due to the following:
millions of Canadian dollars |  | 2017 |  | 2016
Balance, January 1 | $ | 6,213 | $ | 264
Acquisition of TECO Energy as at July 1, 2016 (note 4) |  | - |  | 5,771
Change in foreign exchange rate |  | (408) |  | 178
Balance, December 31 | $ | 5,805 | $ | 6,213

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- Definition Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13854-109267 + Details
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