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Non-Controlling Interest in Subsidiaries (Tables) | 12 Months Ended
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Dec. 31, 2017
Non-Controlling Interest in Subsidiaries [Abstract] |
Noncontrolling Interest [Table Text Block] |
29. NON-CONTROLLING INTEREST IN SUBSIDIARIES
Non-controlling interest in subsidiaries consisted of the following:
As at | December 31 | December 31
millions of Canadian dollars |  | 2017 |  | 2016
ICDU | $ | 52 | $ | 53
Preferred shares of GBPC |  | 19 |  | 34
Domlec |  | 21 |  | 25
| $ | 92 | $ | 112
Schedule of Sale of Stock by Subsidiary or Equity Method Investee Disclosure [Table Text Block] |
Preferred shares of GBPC:
Authorized:
35,000 non-voting cumulative redeemable variable perpetual preferred shares
| 2017 | 2016
Issued and outstanding: | number of shares |  | millions of dollars | number of shares |  | millions of dollars
Outstanding as at December 31 | 20,000 | $ | 19 | 35,000 | $ | 34

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- Definition Tabular disclosure of non-controlling interest in subsidiaries. + References No definition available. + Details
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- Definition Tabular disclosure of sales of stock or previously unissued stock made by subsidiary or equity method investee to investors outside the consolidated group. This includes stock issued in a business combination in exchange for shares of an acquired entity. + References No definition available. + Details
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