v3.26.1
REPORTABLE BUSINESS SEGMENTS AND ALL OTHER - Reconciliation (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Segment Reporting [Line Items]        
Income (loss) from continuing operations $ 6,024 $ 4,033 $ 11,963 $ 8,141
Total revenues, net of interest expense 24,766 21,668 49,399 43,264
Total operating expenses 14,215 13,577 28,526 27,002
Provision (release) for credit losses 2,522 2,872 5,327 5,595
Provision (benefits) for income taxes 2,005 1,186 3,583 2,526
Held for sale | Mexico Consumer/SBMM businesses        
Segment Reporting [Line Items]        
Operating expenses, before tax 25   56  
Operating expenses, after tax 18   41  
Discontinued Operations, Disposed of by Sale | Poland Consumer Banking Business        
Segment Reporting [Line Items]        
Loss on revenue, before tax   186   186
Loss on revenue, after tax   157   157
Operating expenses, before tax   37   71
Operating expenses, after tax   26   49
Operating Segments        
Segment Reporting [Line Items]        
Income (loss) from continuing operations 6,026 4,213 11,977 8,336
Reconciling Items        
Segment Reporting [Line Items]        
Income (loss) from continuing operations (2) (180) (14) (195)
Total revenues, net of interest expense 20 (177) 33 (177)
Total operating expenses 25 37 56 71
Provision (release) for credit losses (2) 5 (1) (6)
Provision (benefits) for income taxes $ (1) $ (39) $ (8) $ (47)