v3.25.2
SECURITIZATIONS AND VARIABLE INTEREST ENTITIES - Asset-Backed Commercial Paper Conduits (Details) - USD ($)
$ in Millions
6 Months Ended 9 Months Ended
Jun. 30, 2025
Sep. 30, 2024
Dec. 31, 2024
Classification of Other Securitization Details      
Commercial paper $ 22,332   $ 28,916
Citi-administered asset-backed commercial paper conduits      
Classification of Other Securitization Details      
Purchased assets outstanding under conduits 20,200   21,300
Incremental funding commitments with clients $ 15,200   16,700
Weighted average life of commercial paper issued by conduits 65 days 82 days  
Citi-administered asset-backed commercial paper conduits | Minimum      
Classification of Other Securitization Details      
Letters of credit as percentage of conduit assets 8.00%    
Floor price of conduit's assets $ 200    
Citi-administered asset-backed commercial paper conduits | Maximum      
Classification of Other Securitization Details      
Letters of credit as percentage of conduit assets 10.00%    
Floor price of conduit's assets $ 350    
Citi-administered asset-backed consolidated commercial paper conduits (ABCP)      
Classification of Other Securitization Details      
Letters of credit provided to conduits 2,000   2,100
Commercial paper $ 7,300   $ 6,400