v3.25.4
Goodwill - Summary of Possible Changes of Key Assumptions of Cash Generating Units (Detail) - Aggregate Not Significant Individual Goodwill [Member]
¥ in Thousands
12 Months Ended
Dec. 31, 2024
CNY (¥)
Dec. 31, 2023
CNY (¥)
Dec. 31, 2022
CNY (¥)
Unfavourable Change [member]      
Disclosure Of Detailed Information Of Possible Changes Of Key Assumptions Of Cash Generating Units [Line Items]      
Change in assumption 0.0050 0.0050 0.0050
Revenue growth rates (GAGR) [member] | Unfavourable Change [member]      
Disclosure Of Detailed Information Of Possible Changes Of Key Assumptions Of Cash Generating Units [Line Items]      
Change in assumption (0.0230) (0.0230) (0.0230)
Change in headroom ¥ (2,463,604) ¥ (2,146,989) ¥ (25,847,474)
Headroom ¥ 2,119,700 ¥ 6,452,828 ¥ 13,130,846
Revenue growth rates (GAGR) [member] | Favourable Change [member]      
Disclosure Of Detailed Information Of Possible Changes Of Key Assumptions Of Cash Generating Units [Line Items]      
Change in assumption 0.0230 0.0230 0.0230
Change in headroom ¥ 2,673,028 ¥ 2,340,354 ¥ 27,516,937
Headroom 7,256,332 10,940,171 66,495,257
Loan loss rates [member] | Unfavourable Change [member]      
Disclosure Of Detailed Information Of Possible Changes Of Key Assumptions Of Cash Generating Units [Line Items]      
Change in headroom (3,906,215) (3,406,514) (8,194,765)
Headroom ¥ 677,089 ¥ 5,193,303 ¥ 30,783,555
Loan loss rates [member] | Favourable Change [member]      
Disclosure Of Detailed Information Of Possible Changes Of Key Assumptions Of Cash Generating Units [Line Items]      
Change in assumption (0.0050) (0.0050) (0.0050)
Change in headroom ¥ 3,906,215 ¥ 3,406,514 ¥ 8,194,765
Headroom ¥ 8,489,519 ¥ 12,006,331 ¥ 47,173,085