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Share-based payments - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Billions |  |  |  |  | 6 Months Ended
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Jun. 30, 2022 | Jun. 14, 2022 | Mar. 29, 2022 | Mar. 22, 2022 | Jun. 30, 2022
Performance Based Options [Member] |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |
Share based compensation by share based payment arrangement exercise price per share granted |  |  |  |  | $ 0
Performance Based Options [Member] | Tranche One [Member] |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |
Minimum market capitalization | $ 1.5 |  |  |  | $ 1.5
Performance Based Options [Member] | Tranche Two [Member] |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |
Minimum market capitalization | 2.0 |  |  |  | 2.0
Performance Based Options [Member] | Tranche Three [Member] |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |
Minimum market capitalization | $ 3.0 |  |  |  | $ 3.0
Additional Grants Under 2020 Plan [Member] | Granted On March 2022 [Member] |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |
Share based compensation by share based payment arrangement exercise price per share granted |  |  |  |  | $ 7.94
Share based compensation by share based payment arrangement fair value per share |  |  | $ 5.84 | $ 5.84 |
Additional Grants Under 2020 Plan [Member] | Granted On June 2022 [Member] |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |
Share based compensation by share based payment arrangement exercise price per share granted |  |  |  |  | $ 8.25
Share based compensation by share based payment arrangement fair value per share | $ 5.84 | $ 5.84 |  |  |
Converted Options [Member] | Granted On June 2022 [Member] |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |
Share based compensation by share based payment equity instruments other than shares vesting period |  |  |  |  | one year
Matching Stock Options [Member] |  |  |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |  |  |
Share based compensation by share based payment arrangement exercise price per share granted |  |  |  |  | $ 10
Share based compensation by share based payment arrangement term of stock options |  |  |  |  | ten-year
Date of vesting of stock options |  |  |  |  | Jul. 31, 2021

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- Definition The description of the maximum term of options granted for a type of share-based payment arrangement that existed at any time during the period. An entity with substantially similar types of share-based payment arrangements may aggregate this information. [Refer: Share-based payment arrangements [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2021-01-01 -Paragraph 45 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2021-en-r&anchor=para_45_a&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition The description of the vesting requirements for a type of share-based payment arrangement that existed at any time during the period. An entity with substantially similar types of share-based payment arrangements may aggregate this information. [Refer: Share-based payment arrangements [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2021-01-01 -Paragraph 45 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2021-en-r&anchor=para_45_a&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition The weighted average exercise price of share options granted in a share-based payment arrangement. [Refer: Weighted average [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2021-01-01 -Paragraph 45 -Subparagraph b -Clause ii -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2021-en-r&anchor=para_45_b_ii&doctype=Standard -URIDate 2021-03-24 + Details
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