v3.26.1
Financial Instruments And Risks - Summary of Fair Value Estimation (Detail) - CNY (¥)
¥ in Thousands
Dec. 31, 2025
Dec. 31, 2024
Disclosure of fair value measurement of assets [line items]    
Financial assets at fair value through other comprehensive income ¥ 6,182,229 ¥ 1,156,095
Financial assets at fair value through profit or loss 34,666,573 20,355,814
Derivative financial liabilities 5,239  
Total 40,843,563 21,511,909
Level 1 of fair value hierarchy [member]    
Disclosure of fair value measurement of assets [line items]    
Financial assets at fair value through other comprehensive income 6,182,229 1,156,095
Financial assets at fair value through profit or loss 2,918,741 3,903,003
Total 9,100,970 5,059,098
Level 2 of fair value hierarchy [member]    
Disclosure of fair value measurement of assets [line items]    
Financial assets at fair value through profit or loss 26,450,391 12,429,372
Total 26,445,152 12,429,372
Level 3 of fair value hierarchy [member]    
Disclosure of fair value measurement of assets [line items]    
Financial assets at fair value through profit or loss 5,297,441 4,023,439
Total 5,297,441 4,023,439
Private Equity Funds And Other Equity Investments [Member]    
Disclosure of fair value measurement of assets [line items]    
Financial assets at fair value through profit or loss 567,274 598,366
Private Equity Funds And Other Equity Investments [Member] | Level 3 of fair value hierarchy [member]    
Disclosure of fair value measurement of assets [line items]    
Financial assets at fair value through profit or loss 567,274 598,366
Mutual Funds [member]    
Disclosure of fair value measurement of assets [line items]    
Financial assets at fair value through profit or loss 2,918,741 3,903,003
Mutual Funds [member] | Level 1 of fair value hierarchy [member]    
Disclosure of fair value measurement of assets [line items]    
Financial assets at fair value through profit or loss 2,918,741 3,903,003
Debt securities [member]    
Disclosure of fair value measurement of assets [line items]    
Financial assets at fair value through profit or loss 12,490,805 4,931,967
Debt securities [member] | Level 2 of fair value hierarchy [member]    
Disclosure of fair value measurement of assets [line items]    
Financial assets at fair value through profit or loss 12,490,805 4,931,967
Trust Plans [member]    
Disclosure of fair value measurement of assets [line items]    
Financial assets at fair value through profit or loss 477,261 4,246,616
Trust Plans [member] | Level 2 of fair value hierarchy [member]    
Disclosure of fair value measurement of assets [line items]    
Financial assets at fair value through profit or loss 94,813 3,937,660
Trust Plans [member] | Level 3 of fair value hierarchy [member]    
Disclosure of fair value measurement of assets [line items]    
Financial assets at fair value through profit or loss 382,448 308,956
Wealth management products [member]    
Disclosure of fair value measurement of assets [line items]    
Financial assets at fair value through profit or loss 11,430,637 1,628,417
Wealth management products [member] | Level 2 of fair value hierarchy [member]    
Disclosure of fair value measurement of assets [line items]    
Financial assets at fair value through profit or loss 11,430,637 1,628,417
Structured Deposits [member]    
Disclosure of fair value measurement of assets [line items]    
Financial assets at fair value through profit or loss 2,434,136 1,900,622
Structured Deposits [member] | Level 2 of fair value hierarchy [member]    
Disclosure of fair value measurement of assets [line items]    
Financial assets at fair value through profit or loss 2,434,136 1,900,622
Other debt investments [Member]    
Disclosure of fair value measurement of assets [line items]    
Financial assets at fair value through profit or loss 4,347,719 3,146,823
Other debt investments [Member] | Level 2 of fair value hierarchy [member]    
Disclosure of fair value measurement of assets [line items]    
Financial assets at fair value through profit or loss 0 30,706
Other debt investments [Member] | Level 3 of fair value hierarchy [member]    
Disclosure of fair value measurement of assets [line items]    
Financial assets at fair value through profit or loss 4,347,719 3,116,117
Certificate Of Deposits [Member]    
Disclosure of fair value measurement of assets [line items]    
Financial assets at fair value through other comprehensive income 2,067,547 669,670
Certificate Of Deposits [Member] | Level 1 of fair value hierarchy [member]    
Disclosure of fair value measurement of assets [line items]    
Financial assets at fair value through other comprehensive income 2,067,547 669,670
Treasury bills [member]    
Disclosure of fair value measurement of assets [line items]    
Financial assets at fair value through other comprehensive income 3,548,798 486,425
Treasury bills [member] | Level 1 of fair value hierarchy [member]    
Disclosure of fair value measurement of assets [line items]    
Financial assets at fair value through other comprehensive income 3,548,798 ¥ 486,425
Cross currency swap [member]    
Disclosure of fair value measurement of assets [line items]    
Derivative financial liabilities (5,239)  
Cross currency swap [member] | Level 2 of fair value hierarchy [member]    
Disclosure of fair value measurement of assets [line items]    
Derivative financial liabilities (5,239)  
Other debt securities [Member]    
Disclosure of fair value measurement of assets [line items]    
Financial assets at fair value through other comprehensive income 565,884  
Other debt securities [Member] | Level 1 of fair value hierarchy [member]    
Disclosure of fair value measurement of assets [line items]    
Financial assets at fair value through other comprehensive income ¥ 565,884