v3.25.4
Financial Instruments And Risks - Summary of Credit Risk Exposure Of The Financial Instruments Under The Scope of Expected Credit Loss (Detail) - CNY (¥)
¥ in Thousands
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Disclosure Details Of Maximum Credit Risk Exposure Before Collateral Received [Line Items]      
Maximum exposure to credit risk of loans or receivables ¥ 163,554,685 ¥ 189,128,782 ¥ 295,956,422
Stage One [Member]      
Disclosure Details Of Maximum Credit Risk Exposure Before Collateral Received [Line Items]      
Maximum exposure to credit risk of loans or receivables 162,470,801 187,126,775 292,859,756
Stage Two [Member]      
Disclosure Details Of Maximum Credit Risk Exposure Before Collateral Received [Line Items]      
Maximum exposure to credit risk of loans or receivables 665,187 1,661,728 2,763,586
Stage Three [Member]      
Disclosure Details Of Maximum Credit Risk Exposure Before Collateral Received [Line Items]      
Maximum exposure to credit risk of loans or receivables 418,697 340,279 333,080
On Balance Sheet Exposure [Member] | Cash at bank [member]      
Disclosure Details Of Maximum Credit Risk Exposure Before Collateral Received [Line Items]      
Maximum exposure to credit risk of loans or receivables 29,903,846 39,695,914 43,939,270
On Balance Sheet Exposure [Member] | Cash at bank [member] | Stage One [Member]      
Disclosure Details Of Maximum Credit Risk Exposure Before Collateral Received [Line Items]      
Maximum exposure to credit risk of loans or receivables 29,903,846 39,695,914 43,939,270
On Balance Sheet Exposure [Member] | Restricted Cash [Member]      
Disclosure Details Of Maximum Credit Risk Exposure Before Collateral Received [Line Items]      
Maximum exposure to credit risk of loans or receivables 14,132,034 13,416,615 27,086,721
On Balance Sheet Exposure [Member] | Restricted Cash [Member] | Stage One [Member]      
Disclosure Details Of Maximum Credit Risk Exposure Before Collateral Received [Line Items]      
Maximum exposure to credit risk of loans or receivables 14,132,034 13,416,615 27,086,721
On Balance Sheet Exposure [Member] | Financial assets held under resale agreements [member]      
Disclosure Details Of Maximum Credit Risk Exposure Before Collateral Received [Line Items]      
Maximum exposure to credit risk of loans or receivables 657,033 28,834 40,023
On Balance Sheet Exposure [Member] | Financial assets held under resale agreements [member] | Stage One [Member]      
Disclosure Details Of Maximum Credit Risk Exposure Before Collateral Received [Line Items]      
Maximum exposure to credit risk of loans or receivables 657,033 28,834 40,023
On Balance Sheet Exposure [Member] | Financial assets at fair value through other comprehensive income [Member]      
Disclosure Details Of Maximum Credit Risk Exposure Before Collateral Received [Line Items]      
Maximum exposure to credit risk of loans or receivables 1,156,095    
On Balance Sheet Exposure [Member] | Financial assets at fair value through other comprehensive income [Member] | Stage One [Member]      
Disclosure Details Of Maximum Credit Risk Exposure Before Collateral Received [Line Items]      
Maximum exposure to credit risk of loans or receivables 1,156,095    
On Balance Sheet Exposure [Member] | Financial assets at amortized cost [member]      
Disclosure Details Of Maximum Credit Risk Exposure Before Collateral Received [Line Items]      
Maximum exposure to credit risk of loans or receivables 1,499,000 1,758,083 3,411,084
On Balance Sheet Exposure [Member] | Financial assets at amortized cost [member] | Stage One [Member]      
Disclosure Details Of Maximum Credit Risk Exposure Before Collateral Received [Line Items]      
Maximum exposure to credit risk of loans or receivables 1,499,000 1,517,135 3,151,887
On Balance Sheet Exposure [Member] | Financial assets at amortized cost [member] | Stage Three [Member]      
Disclosure Details Of Maximum Credit Risk Exposure Before Collateral Received [Line Items]      
Maximum exposure to credit risk of loans or receivables 0 240,948 259,197
On Balance Sheet Exposure [Member] | Accounts and other receivables and contract assets [Member]      
Disclosure Details Of Maximum Credit Risk Exposure Before Collateral Received [Line Items]      
Maximum exposure to credit risk of loans or receivables 4,698,008 4,535,382 9,585,236
On Balance Sheet Exposure [Member] | Accounts and other receivables and contract assets [Member] | Stage One [Member]      
Disclosure Details Of Maximum Credit Risk Exposure Before Collateral Received [Line Items]      
Maximum exposure to credit risk of loans or receivables 4,697,722 4,535,117 9,585,236
On Balance Sheet Exposure [Member] | Accounts and other receivables and contract assets [Member] | Stage Three [Member]      
Disclosure Details Of Maximum Credit Risk Exposure Before Collateral Received [Line Items]      
Maximum exposure to credit risk of loans or receivables 286 265  
On Balance Sheet Exposure [Member] | Loans to consumers [member]      
Disclosure Details Of Maximum Credit Risk Exposure Before Collateral Received [Line Items]      
Maximum exposure to credit risk of loans or receivables 111,508,669 129,693,954 211,446,645
On Balance Sheet Exposure [Member] | Loans to consumers [member] | Stage One [Member]      
Disclosure Details Of Maximum Credit Risk Exposure Before Collateral Received [Line Items]      
Maximum exposure to credit risk of loans or receivables 110,425,071 127,933,160 208,609,176
On Balance Sheet Exposure [Member] | Loans to consumers [member] | Stage Two [Member]      
Disclosure Details Of Maximum Credit Risk Exposure Before Collateral Received [Line Items]      
Maximum exposure to credit risk of loans or receivables 665,187 1,661,728 2,763,586
On Balance Sheet Exposure [Member] | Loans to consumers [member] | Stage Three [Member]      
Disclosure Details Of Maximum Credit Risk Exposure Before Collateral Received [Line Items]      
Maximum exposure to credit risk of loans or receivables 418,411 99,066 73,883
On Balance Sheet Exposure [Member] | Other assets [member]      
Disclosure Details Of Maximum Credit Risk Exposure Before Collateral Received [Line Items]      
Maximum exposure to credit risk of loans or receivables     447,443
On Balance Sheet Exposure [Member] | Other assets [member] | Stage One [Member]      
Disclosure Details Of Maximum Credit Risk Exposure Before Collateral Received [Line Items]      
Maximum exposure to credit risk of loans or receivables     447,443
Off Balance Sheet Exposure [Member] | Financial guarantee contracts [member]      
Disclosure Details Of Maximum Credit Risk Exposure Before Collateral Received [Line Items]      
Financing guarantee contracts 68,017,023 54,903,487 68,502,938
Off Balance Sheet Exposure [Member] | Financial guarantee contracts [member] | Stage One [Member]      
Disclosure Details Of Maximum Credit Risk Exposure Before Collateral Received [Line Items]      
Financing guarantee contracts 67,368,608 53,889,614 67,011,692
Off Balance Sheet Exposure [Member] | Financial guarantee contracts [member] | Stage Two [Member]      
Disclosure Details Of Maximum Credit Risk Exposure Before Collateral Received [Line Items]      
Financing guarantee contracts ¥ 648,415 ¥ 1,013,873 ¥ 1,491,246