v3.26.1
RELATED PARTY BALANCES AND TRANSACTIONS - Amounts due to related parties (Details) - CNY (¥)
¥ in Thousands
1 Months Ended
Sep. 30, 2020
Dec. 31, 2025
Dec. 31, 2024
RELATED PARTY BALANCES AND TRANSACTIONS      
Amounts due to related parties   ¥ 0 ¥ 67,495
Other Liability, Current, Related Party [Extensible Enumeration]   Related Party [Member] Related Party [Member]
Hangzhou Qifei      
RELATED PARTY BALANCES AND TRANSACTIONS      
Investment made ¥ 50,000    
Qibutianxia      
RELATED PARTY BALANCES AND TRANSACTIONS      
Amounts due to related parties     ¥ 1,656
Other Liability, Current, Related Party [Extensible Enumeration]   qfin:EntityControlledByChairmanMember qfin:EntityControlledByChairmanMember
Qihu      
RELATED PARTY BALANCES AND TRANSACTIONS      
Amounts due to related parties     ¥ 58,405
Other Liability, Current, Related Party [Extensible Enumeration]   qfin:EntityControlledByChairmanMember qfin:EntityControlledByChairmanMember
Others      
RELATED PARTY BALANCES AND TRANSACTIONS      
Amounts due to related parties     ¥ 7,434
Other Liability, Current, Related Party [Extensible Enumeration]   us-gaap:OtherAffiliatesMember us-gaap:OtherAffiliatesMember
Beijing Qifei | Hangzhou Qifei      
RELATED PARTY BALANCES AND TRANSACTIONS      
Equity Method Investment, Ownership Percentage 25.00%