v3.26.1
RESTRUCTURING AND OTHER - Additional Information (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Restructuring Cost and Reserve [Line Items]        
Loss on sale of loans, held for sale $ 65 $ 27 $ 126 $ 52
Strategic Reorganization, April 2026        
Restructuring Cost and Reserve [Line Items]        
Restructuring charges 44   44  
Q2 2025 Plan        
Restructuring Cost and Reserve [Line Items]        
Restructuring charges 2 95 13 95
Q2 2025 Plan | Employee Severance and Benefits Costs        
Restructuring Cost and Reserve [Line Items]        
Restructuring charges (13) 95 (11) 95
Restructuring charges, expected cost 85   85  
Q2 2025 Plan | Other Restructuring Costs        
Restructuring Cost and Reserve [Line Items]        
Restructuring charges 15 $ 0 24 0
Q1 2025 Plan        
Restructuring Cost and Reserve [Line Items]        
Restructuring charges       $ 36
Low | Q2 2025 Plan        
Restructuring Cost and Reserve [Line Items]        
Executed over a period   18 months    
Low | Q2 2025 Plan | Asset impairment and accelerated depreciation charges        
Restructuring Cost and Reserve [Line Items]        
Restructuring charges, expected cost 40   40  
Low | Q2 2025 Plan | Other Restructuring Costs        
Restructuring Cost and Reserve [Line Items]        
Restructuring charges, expected cost 110   110  
Maximum | Q2 2025 Plan        
Restructuring Cost and Reserve [Line Items]        
Executed over a period   42 months    
Maximum | Q2 2025 Plan | Asset impairment and accelerated depreciation charges        
Restructuring Cost and Reserve [Line Items]        
Restructuring charges, expected cost 60   60  
Maximum | Q2 2025 Plan | Other Restructuring Costs        
Restructuring Cost and Reserve [Line Items]        
Restructuring charges, expected cost $ 140   $ 140