v3.25.2
REPORTABLE BUSINESS SEGMENTS AND ALL OTHER - Reconciliation (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Segment Reporting Information [Line Items]        
Income (loss) from continuing operations $ 4,033 $ 3,263 $ 8,141 $ 6,671
Total revenues, net of interest expense [1] 21,668 20,032 43,264 41,048
Total operating expenses [1] 13,577 13,246 27,002 27,353
Provisions for credit losses and for benefits and claims 2,872 2,476 5,595 4,841
Provision (benefits) for income taxes 1,186 1,047 2,526 2,183
Held for sale | Mexico and Asia Exit Markets        
Segment Reporting Information [Line Items]        
Operating expenses, before tax 37 85   195
Operating expenses, after tax 26 58   135
Held for sale | Poland Consumer Banking Business        
Segment Reporting Information [Line Items]        
Operating expenses, before tax     71  
Operating expenses, after tax     49  
Discontinued Operations, Disposed of by Sale | Poland Consumer Banking Business        
Segment Reporting Information [Line Items]        
Loss on revenue, before tax 186   186  
Loss on revenue, after tax 157   157  
Operating Segments        
Segment Reporting Information [Line Items]        
Income (loss) from continuing operations 4,213 3,295 8,336 6,797
Reconciling Items        
Segment Reporting Information [Line Items]        
Income (loss) from continuing operations (180) (32) (195) (126)
Total revenues, net of interest expense (177) 33 (177) 21
Total operating expenses 37 85 71 195
Provisions for credit losses and for benefits and claims 5 (3) (6) 8
Provision (benefits) for income taxes $ (39) $ (17) $ (47) $ (56)
[1]     Effective January 1, 2025, certain transaction processing fees paid by Citi, primarily to credit card networks, which were previously presented within Other operating expenses, are presented as contra-revenue within Commissions and fees reported in Non-interest revenue. Prior periods were conformed to reflect this change in presentation.