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Significant Accounting Policies and Judgments - Major Subsidiaries Over Which the Company Has Control (Details) | Jun. 30, 2020 | Jun. 30, 2019
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1769474 Alberta Ltd. (“1769474”) |  |
Disclosure of subsidiaries [line items] |  |
Percentage Ownership | 100.00% |
2105657 Alberta Inc. (“2105657”) |  |
Disclosure of subsidiaries [line items] |  |
Percentage Ownership | 100.00% |
Aurora Cannabis Enterprises Inc. (“ACE”) |  |
Disclosure of subsidiaries [line items] |  |
Percentage Ownership | 100.00% |
Aurora Deutschland GmbH (“Aurora Deutschland”) |  |
Disclosure of subsidiaries [line items] |  |
Percentage Ownership | 100.00% |
Aurora Nordic Cannabis A/S (“Aurora Nordic”) |  |
Disclosure of subsidiaries [line items] |  |
Percentage Ownership | 51.00% | 51.00%
Cannimed Therapeutics Inc. (“CanniMed”) |  |
Disclosure of subsidiaries [line items] |  |
Percentage Ownership | 100.00% |
H2 Biopharma Inc. (“H2” or “Aurora Eau”) |  |
Disclosure of subsidiaries [line items] |  |
Percentage Ownership | 100.00% |
MedReleaf Corp. (“MedReleaf”) |  |
Disclosure of subsidiaries [line items] |  |
Percentage Ownership | 100.00% |
Peloton Pharmaceuticals Inc. (“Peloton” or “Aurora Vie”) |  |
Disclosure of subsidiaries [line items] |  |
Percentage Ownership | 100.00% |
Whistler Medical marijuana Corporation (“Whistler”) |  |
Disclosure of subsidiaries [line items] |  |
Percentage Ownership | 100.00% |

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- Definition The proportion of ownership interest in a subsidiary attributable to the entity. [Refer: Subsidiaries [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 27 -IssueDate 2019-01-01 -Paragraph 17 -Subparagraph b -Clause iii -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=27&code=ifrs-tx-2019-en-r&anchor=para_17_b_iii&doctype=Standard -URIDate 2019-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 27 -IssueDate 2019-01-01 -Paragraph 16 -Subparagraph b -Clause iii -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=27&code=ifrs-tx-2019-en-r&anchor=para_16_b_iii&doctype=Standard -URIDate 2019-03-27 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2019-01-01 -Paragraph 19B -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2019-en-r&anchor=para_19B_c&doctype=Standard -URIDate 2019-03-27 + Details
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