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Group information - Additional Information (Detail)
3 Months Ended 6 Months Ended
Aug. 09, 2022
Jun. 30, 2022
Jun. 30, 2022
Disclosure of non-adjusting events after reporting period [line items]      
Date of end of reporting period   Jun. 30, 2022 Jun. 30, 2022
Authorization Of Financial Statements [Member]      
Disclosure of non-adjusting events after reporting period [line items]      
Date of authorisation for issue of financial statements Aug. 09, 2022