v3.26.1
LOANS - Consumer 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
Consumer loans        
Financing Receivable, Credit Quality Indicator [Line Items]        
Total $ 2,828 $ 2,660 5,606 5,387
Consumer loans | Residential mortgages        
Financing Receivable, Credit Quality Indicator [Line Items]        
Current year     0 0
Prior year     0 1
Two years prior     1 2
Three years prior     1 0
Four years prior     1 1
Prior     21 34
Total     24 38
Consumer loans | Home equity loans        
Financing Receivable, Credit Quality Indicator [Line Items]        
Total     1 4
Consumer loans | Home equity line of credit (pre-reset)        
Financing Receivable, Credit Quality Indicator [Line Items]        
Total     1 3
Consumer loans | Home equity line of credit (post-reset)        
Financing Receivable, Credit Quality Indicator [Line Items]        
Total     0 1
Consumer loans | Home equity term loans        
Financing Receivable, Credit Quality Indicator [Line Items]        
Revolving loans converted to term loans     0 0
Consumer loans | Credit cards        
Financing Receivable, Credit Quality Indicator [Line Items]        
Total     4,912 4,761
Consumer loans | Revolving loans converted to term loans        
Financing Receivable, Credit Quality Indicator [Line Items]        
Revolving loans converted to term loans     130 159
Consumer loans | Total credit cards        
Financing Receivable, Credit Quality Indicator [Line Items]        
Total     5,042 4,920
Consumer loans | Personal, small business and other        
Financing Receivable, Credit Quality Indicator [Line Items]        
Current year     86 71
Prior year     148 119
Two years prior     121 89
Three years prior     60 51
Four years prior     31 20
Prior     93 75
Total     $ 539 $ 425