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Ballard Power Systems Europe A/S non-controlling interests | 12 Months Ended
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Dec. 31, 2018
Disclosure of subsidiaries [abstract] |
Ballard Power Systems Europe A/S non-controlling interests | Ballard Power Systems Europe A/S non-controlling interests: On January 5, 2017, the Corporation purchased all of the shares in its European subsidiary held by Dansk Industri Invest A/S (previously Dantherm Air Handling A/S) for a nominal amount. As a result, the Corporation now owns 100% of it subsidiary in Europe, BPSE (formerly Dantherm Power A/S) effective January 5, 2017. The Corporation previously held 57% of the shares in BPSE before purchasing the remaining 43% of shares from Dansk Industri Invest A/S. The Corporation acquired the remaining shares and obtained the cancellation of debt of $521,000 owed by BPSE to Dansk Industri Invest A/S for $47,000. The cancellation of debt and the removal of non-controlling interests were recorded as equity transactions resulting in a net increase of $480,000 to equity. There was no impact on the Corporation's consolidated statement of loss and other comprehensive loss.

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- Definition The disclosure of subsidiaries. [Refer: Subsidiaries [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 27 -IssueDate 2017-01-01 -Paragraph 17 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=27&date=2017-03-01&anchor=para_17_b&doctype=Standard -URIDate 2017-03-09 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 27 -IssueDate 2017-01-01 -Paragraph 16 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=27&date=2017-03-01&anchor=para_16_b&doctype=Standard -URIDate 2017-03-09 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2017-01-01 -Paragraph B4 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=12&date=2017-03-01&anchor=para_B4_a&doctype=Appendix&seq=2 -URIDate 2017-03-09 + Details
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