v3.26.1
Parent Company Only Condensed Financial Information - Summary of Detailed Information about Parent Company Condensed Statements of Cash Flows (Detail) - CNY (¥)
¥ in Thousands
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Cash flows from operating activities      
Cash used in operating activities ¥ 14,271,030 ¥ 4,155,000 ¥ 15,473,652
Net cash generated from operating activities 12,473,049 1,816,771 12,720,412
Cash flows from investing activities      
Capital contribution to consolidated entities 3,250 697,426 0
Proceeds and interest from sale of investment assets 66,530,478 63,241,901 67,272,800
Payment for acquisition of investment assets (84,159,027) (60,664,549) (71,550,315)
Net cash generated from/(used in) investing activities (16,467,025) 2,669,015 (3,469,530)
Cash flows from financing activities      
Proceeds from exercise of share-based payment 129 2,172 252
Proceeds from borrowings 14,009,400 9,041,818 14,618,467
Repayment of borrowings (9,957,559) (14,226,298) (17,920,237)
Repayment of optionally convertible promissory notes 0 0 8,342,096
Refund of cash reserved for repurchase of ordinary shares 0 0 (854,624)
Payment for interest expenses (528,166) (677,316) (1,531,239)
Payment for dividend declared 0 (5,132,615) (1,435,461)
Net cash used in financing activities 3,317,440 (11,281,854) (20,247,958)
Effect of exchange rate changes on cash and cash equivalents (32,826) 17,278 (20,353)
Net increase/(decrease) in cash and cash equivalents (709,362) (6,778,790) (11,017,429)
Add: Cash and cash equivalents at the beginning of the year 11,798,435 18,577,225 29,594,654
Cash and cash equivalents at the end of the year 11,089,073 11,798,435 18,577,225
Parent [member]      
Cash flows from operating activities      
Cash used in operating activities (214,412) (61,440) (44,192)
Net cash generated from operating activities (214,412) (61,440) (44,192)
Cash flows from investing activities      
Inter-company cash flow 0 0 (4,600)
Capital contribution to consolidated entities (730,472) (736,585) 0
Payment for advances to consolidated entities (9,575,030) (3,402,183) (948,295)
Receipts of repayments of the advances and capital return from consolidated entities 5,445,962 1,477,282 1,669,873
Proceeds and interest from sale of investment assets 1,392,986 235,135 774,498
Payment for acquisition of investment assets (934,331) (347,971) 0
Receipts of dividends from consolidated entities 3,100,000 11,450,000 5,744,880
Other investing activities 466 (861,014) 0
Net cash generated from/(used in) investing activities (1,300,419) 7,814,664 7,236,356
Cash flows from financing activities      
Proceeds from exercise of share-based payment 0 0 252
Proceeds from borrowings 2,747,800 2,238,818 4,069,584
Repayment of borrowings (1,822,256) (3,189,572) (140,564)
Repayment for advances to consolidated entities (200,895) (918,812) (4,695,913)
Receipts of advances from consolidated entities 200,000 277,438 5,266,949
Repayment of convertible promissory notes payable 0 0 (3,642,931)
Repayment of optionally convertible promissory notes 0 0 (8,342,096)
Refund of cash reserved for repurchase of ordinary shares 0 0 854,624
Payment for interest expenses (181,023) (306,045) (736,493)
Payment for dividend declared 0 (5,132,615) (1,435,461)
Proceeds from issuance of shares and other equity securities 129 2,172 0
Net cash used in financing activities 743,755 (7,028,616) (8,802,049)
Effect of exchange rate changes on cash and cash equivalents (803) 9,771 33,954
Net increase/(decrease) in cash and cash equivalents (771,879) 734,379 (1,575,931)
Add: Cash and cash equivalents at the beginning of the year 802,750 68,371 1,644,302
Cash and cash equivalents at the end of the year ¥ 30,871 ¥ 802,750 ¥ 68,371