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The number of shares included in the calculation of basic and diluted earnings per share, is described in the table below: (Details) - shares | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | --- | ---
Common shares already paid up | 735,847,624 | 735,847,624 | 735,847,624
Shares in treasury | (102) | (102) | (102)
Number of shares outstanding | 735,847,522 | 735,847,522 | 735,847,522
Preferred shares already paid up | 1,465,523,064 | 1,465,523,064 | 1,465,523,064
Shares in treasury | (846,062) | (846,062) | (846,062)
Number of share | 1,464,677,002 | 1,464,677,002 | 1,464,677,002
Total | 2,200,524,524 | 2,200,524,524 | 2,200,524,524

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- Definition The number of shares issued by the entity, for which full payment has been received. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2021-01-01 -Paragraph 79 -Subparagraph a -Clause ii -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_79_a_ii&doctype=Standard -URIDate 2021-03-24 + Details
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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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