v3.26.1
Investments accounted for using the equity method - Investments in joint ventures accounted for using the equity method (Details) - CNY (¥)
¥ in Thousands
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Results of operations:      
Revenues ¥ 226,701,433 ¥ 206,798,631 ¥ 192,379,918
Income (loss) from operations (3,629,465) 1,942,439 (2,838,457)
Profit (loss) for the year 1,005,156 1,274,788 (4,752,429)
Balance sheet data:      
Current assets 78,737,171 69,909,439 65,475,200
Noncurrent assets 78,848,232 73,983,892 78,603,823
Current liabilities 58,091,885 43,440,006 42,390,909
Noncurrent liabilities 1,289,428 1,751,346 2,286,495
Aggregated individually immaterial joint ventures      
Results of operations:      
Revenues 7,739,466 6,986,969 10,175,124
Gross profit (loss) 1,307,840 1,770,236 2,647,368
Income (loss) from operations 721,032 1,417,091 1,380,078
Profit (loss) for the year 736,421 1,245,587 1,139,947
Balance sheet data:      
Current assets 60,185,382 52,915,859 49,849,695
Noncurrent assets 3,969,949 2,389,016 2,858,838
Current liabilities 53,511,494 45,300,441 44,397,577
Noncurrent liabilities 729,244 368,764 265,831
Convertible redeemable preferred shares and noncontrolling interests ¥ (6,533) ¥ (6,413) ¥ (9,482)