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Goodwill | 12 Months Ended
--- | ---
Dec. 31, 2016
Goodwill and Intangible Assets Disclosure [Abstract] |
Goodwill | GOODWILL
(in millions) | 2016 |  | 2015 |
Balance, beginning of year | $ | 4,173 |  | $ | 3,732 |
Acquisition of ITC (Note 2 7) | 8,106 |  | — |
Acquisition of Aitken Cree k (Note 27) | 27 |  | — |
Foreign currency translation impacts | 58 |  | 441 |
Balance, end of year | $ | 12,364 |  | $ | 4,173 |
Goodwill associated with the acquisitions of ITC, UNS Energy, Central Hudson, Caribbean Utilities and Fortis Turks and Caicos is denominated in US dollars, as the functional currency of these companies is the US dollar. Foreign currency translation impacts are the result of the translation of US dollar-denominated goodwill and the impact of the movement of the Canadian dollar relative to the US dollar.

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