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Optionally Convertible Promissory Notes - Summary of Ordinary Shares To Be Issued To The Holders of Optionally Convertible Promissory Notes (Detail) - CNY (¥)
¥ in Thousands
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Disclosure Of ordinary shares to be issued to the holders of optionally convertible promissory notes [Line Items]      
Beginning balance ¥ 7,405,103    
Interest paid (1,213,186) ¥ (867,715) ¥ (1,151,421)
Ending balance 8,142,908 7,405,103  
Optionally convertible promissory notes [member] | Liability [Member]      
Disclosure Of ordinary shares to be issued to the holders of optionally convertible promissory notes [Line Items]      
Beginning balance 7,405,103 7,530,542  
Interest accrued at effective interest rate 521,747 495,079  
Interest paid (493,134) (446,953)  
Exchange differences 709,192 (173,565)  
Ending balance 8,142,908 7,405,103 7,530,542
Optionally convertible promissory notes [member] | Equity [member]      
Disclosure Of ordinary shares to be issued to the holders of optionally convertible promissory notes [Line Items]      
Beginning balance 1,489,748 1,489,748  
Ending balance ¥ 1,489,748 ¥ 1,489,748 ¥ 1,489,748