Financial Assets At Fair Value Through Profit or Loss - Disclosure of Financial Assets At Fair Value Through Profit Or Loss (Detail) - CNY (¥) ¥ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Disclosure of financial instruments at fair value through profit or loss [line items]
Financial assets at fair value through profit or loss	¥ 29,089,447	¥ 31,023,211
Parent [member]
Disclosure of financial instruments at fair value through profit or loss [line items]
Financial assets at fair value through profit or loss	767,636	383,888
Bank wealth management products [member]
Disclosure of financial instruments at fair value through profit or loss [line items]
Financial assets at fair value through profit or loss	7,563,450	4,589,101
Mutual funds [member]
Disclosure of financial instruments at fair value through profit or loss [line items]
Financial assets at fair value through profit or loss	7,125,498	2,486,541
Asset management plans [member]
Disclosure of financial instruments at fair value through profit or loss [line items]
Financial assets at fair value through profit or loss	5,009,713	8,307,773
Trust plans [member]
Disclosure of financial instruments at fair value through profit or loss [line items]
Financial assets at fair value through profit or loss	3,890,549	3,052,089
Structured deposits [member]
Disclosure of financial instruments at fair value through profit or loss [line items]
Financial assets at fair value through profit or loss	2,406,785	6,640,977
Private fund and other equity investments [member]
Disclosure of financial instruments at fair value through profit or loss [line items]
Financial assets at fair value through profit or loss	2,044,051	2,765,016
Other debt investments [member]
Disclosure of financial instruments at fair value through profit or loss [line items]
Financial assets at fair value through profit or loss	1,002,966	108,991
Corporate bonds [member]
Disclosure of financial instruments at fair value through profit or loss [line items]
Financial assets at fair value through profit or loss	46,435	3,064,872
Factoring products [member]
Disclosure of financial instruments at fair value through profit or loss [line items]
Financial assets at fair value through profit or loss		0
Stock [member] \| Listed Securities [Member]
Disclosure of financial instruments at fair value through profit or loss [line items]
Financial assets at fair value through profit or loss		7,851
Private fund investments [member] \| Parent [member]
Disclosure of financial instruments at fair value through profit or loss [line items]
Financial assets at fair value through profit or loss	¥ 767,636	¥ 383,888

Disclosure of financial instruments at fair value through profit or loss [line items]