XML 103 R85.htm IDEA: XBRL DOCUMENT v3.26.1
ACCOUNTS RECEIVABLE AND CONTRACT ASSETS, NET - Movements in the allowance for doubtful accounts (Details) - CNY (¥)
¥ in Thousands
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Movements in the allowance for doubtful accounts      
Balance at the beginning of the year ¥ (1,517,099) ¥ (1,566,129) ¥ (1,951,419)
Additions (79,980) (108,963) (174,237)
Write-offs 98,428 157,993 559,527
Balance at the end of the year ¥ (1,498,651) ¥ (1,517,099) ¥ (1,566,129)