v3.26.1
LOANS - Corporate Loans Gross Credit Losses (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Financing Receivable, Credit Quality Indicator [Line Items]    
Total $ 2,820 $ 2,926
Corporate loans    
Financing Receivable, Credit Quality Indicator [Line Items]    
Current year 8 1
Prior year 0 2
Two years prior 0 133
Three years prior 0 0
Four years prior 0 0
Prior 0 9
Revolving line of credit arrangement 34 54
Total 42 199
Corporate loans | Commercial and industrial    
Financing Receivable, Credit Quality Indicator [Line Items]    
Current year 8 0
Prior year 0 2
Two years prior 0 0
Three years prior 0 0
Four years prior 0 0
Prior 0 0
Revolving line of credit arrangement 20 46
Total 28 48
Corporate loans | Financial institutions    
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 0
Revolving line of credit arrangement 0 1
Total 0 1
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 6
Revolving line of credit arrangement 0 0
Total 0 6
Corporate loans | Other    
Financing Receivable, Credit Quality Indicator [Line Items]    
Current year 0 1
Prior year 0 0
Two years prior 0 133
Three years prior 0 0
Four years prior 0 0
Prior 0 3
Revolving line of credit arrangement 14 7
Total $ 14 $ 144