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EQUITY - Schedule Of Number Of Issued And Outstanding Common Shares And Unexercised Options (Details) - shares | Dec. 31, 2021 | Sep. 30, 2021 | Dec. 31, 2020 | Sep. 30, 2020 | Dec. 31, 2019
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Disclosure of classes of share capital [line items] |  |  |  |  |
Number of Common Shares Held by the Company | 69,663,192 | 64,197,815 | 64,197,815 | 63,417,346 |
Common shares |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |
Issued and Outstanding (in shares) | 1,568,828,941 |  | 1,510,720,411 |  | 1,509,293,641
Unexercised options and other share-based plans (in shares) | 82,825,207 |  | 62,975,947 |  |
Total diluted shares (in shares) | 1,651,654,148 |  | 1,573,696,358 |  |
Class A shares | Common shares |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |
Issued and Outstanding (in shares) | 1,568,743,821 |  | 1,510,635,291 |  |
Common Class B | Common shares |  |  |  |  |
Disclosure of classes of share capital [line items] |  |  |  |  |
Issued and Outstanding (in shares) | 85,120 |  | 85,120 |  |

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- Definition The number of shares that have been authorised and issued, reduced by treasury shares held. [Refer: Treasury shares] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2021-01-01 -Paragraph 79 -Subparagraph a -Clause iv -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_79_a_iv&doctype=Standard -URIDate 2021-03-24 + Details
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