v3.26.1
LOANS - Corporate Loans Gross Credit Losses (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Financing Receivable, Credit Quality Indicator [Line Items]        
Total $ 2,981 $ 2,723 $ 5,801 $ 5,649
Corporate loans        
Financing Receivable, Credit Quality Indicator [Line Items]        
Current year     20 2
Prior year     7 4
Two years prior     2 141
Three years prior     0 0
Four years prior     0 0
Prior     1 15
Revolving line of credit arrangement     165 100
Total $ 153 $ 63 195 262
Corporate loans | Commercial and industrial        
Financing Receivable, Credit Quality Indicator [Line Items]        
Current year     18 0
Prior year     7 4
Two years prior     2 0
Three years prior     0 0
Four years prior     0 0
Prior     1 6
Revolving line of credit arrangement     153 75
Total     181 85
Corporate loans | Financial institutions        
Financing Receivable, Credit Quality Indicator [Line Items]        
Current year     2 0
Prior year     0 0
Two years prior     0 0
Three years prior     0 0
Four years prior     0 0
Prior     0 0
Revolving line of credit arrangement     0 7
Total     2 7
Corporate loans | Mortgage and real estate        
Financing Receivable, Credit Quality Indicator [Line Items]        
Current year     0 0
Prior year     0 0
Two years prior     0 0
Three years prior     0 0
Four years prior     0 0
Prior     0 7
Revolving line of credit arrangement     0 2
Total     0 9
Corporate loans | Other        
Financing Receivable, Credit Quality Indicator [Line Items]        
Current year     0 2
Prior year     0 0
Two years prior     0 141
Three years prior     0 0
Four years prior     0 0
Prior     0 2
Revolving line of credit arrangement     12 16
Total     $ 12 $ 161