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Financial Instruments And Risks - Summary of The Changes In Level 3 Instruments (Detail) - CNY (¥)
¥ in Thousands
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Disclosure of fair value measurement of assets [line items]      
Assets ¥ 360,433,486    
Assets 349,262,807 ¥ 360,433,486  
Level 3 of fair value hierarchy [member] | Financial assets at fair value through profit or loss, category [member]      
Disclosure of fair value measurement of assets [line items]      
Assets 1,265,233 1,266,495 ¥ 2,842,839
Additions 1,548,065 131,829 0
Disposal (300,136) (29,664) (1,266,827)
Transfer into level 3 0 1,035,642 0
Transfer out of level 3 0 (3,047)  
Gains or losses recognized in profit or loss (58,935) (1,136,022) (309,517)
Assets ¥ 2,454,227 ¥ 1,265,233 ¥ 1,266,495