v3.26.1
LOANS - Consumer Loans and Ratios Outside of North America (Details) - USD ($)
$ in Millions
Jun. 30, 2026
Dec. 31, 2025
Jun. 30, 2025
Financing Receivable, Credit Quality Indicator [Line Items]      
Loans, net of unearned income $ 793,658 $ 752,230  
Investment grade % 69.00%    
Total $ 416,622    
Consumer loans      
Financing Receivable, Credit Quality Indicator [Line Items]      
Loans, net of unearned income 416,520 408,533  
Consumer loans | Classifiably managed      
Financing Receivable, Credit Quality Indicator [Line Items]      
Total 53,504    
Consumer loans | Delinquency-managed loans      
Financing Receivable, Credit Quality Indicator [Line Items]      
Total $ 363,118    
In offices outside North America | Consumer loans      
Financing Receivable, Credit Quality Indicator [Line Items]      
Loans, net of unearned income   79,062  
NCL ratio 1.95%   1.59%
Total $ 82,159    
In offices outside North America | Consumer loans | 30–89 days past due      
Financing Receivable, Credit Quality Indicator [Line Items]      
Loans, net of unearned income $ 440 $ 419  
Past due ratio 0.78% 0.74%  
In offices outside North America | Consumer loans | 90+ days past due      
Financing Receivable, Credit Quality Indicator [Line Items]      
Loans, net of unearned income $ 486 $ 444  
Past due ratio 0.87% 0.78%  
In offices outside North America | Consumer loans | Classifiably managed      
Financing Receivable, Credit Quality Indicator [Line Items]      
Loans, net of unearned income $ 26,022 $ 22,297  
In offices outside North America | Consumer loans | Delinquency-managed loans      
Financing Receivable, Credit Quality Indicator [Line Items]      
Loans, net of unearned income 56,137 56,765  
In offices outside North America | Consumer loans | Classifiably Managed and Delinquency Managed      
Financing Receivable, Credit Quality Indicator [Line Items]      
Loans, net of unearned income 83,400 80,800  
In offices outside North America | Consumer loans | Residential mortgages      
Financing Receivable, Credit Quality Indicator [Line Items]      
Loans, net of unearned income $ 23,866 24,041  
NCL ratio 0.10%   0.22%
In offices outside North America | Consumer loans | Residential mortgages | 30–89 days past due      
Financing Receivable, Credit Quality Indicator [Line Items]      
Loans, net of unearned income $ 38 $ 35  
Past due ratio 0.16% 0.15%  
In offices outside North America | Consumer loans | Residential mortgages | 90+ days past due      
Financing Receivable, Credit Quality Indicator [Line Items]      
Loans, net of unearned income $ 81 $ 78  
Past due ratio 0.34% 0.32%  
In offices outside North America | Consumer loans | Residential mortgages | Classifiably managed      
Financing Receivable, Credit Quality Indicator [Line Items]      
Loans, net of unearned income $ 0 $ 0  
In offices outside North America | Consumer loans | Residential mortgages | Delinquency-managed loans      
Financing Receivable, Credit Quality Indicator [Line Items]      
Loans, net of unearned income 23,866 24,041  
In offices outside North America | Consumer loans | Residential mortgages | Global Wealth Management Business      
Financing Receivable, Credit Quality Indicator [Line Items]      
Loans, net of unearned income 18,300 18,600  
In offices outside North America | Consumer loans | Credit cards      
Financing Receivable, Credit Quality Indicator [Line Items]      
Loans, net of unearned income $ 14,814 14,701  
NCL ratio 7.06%   5.83%
In offices outside North America | Consumer loans | Credit cards | 30–89 days past due      
Financing Receivable, Credit Quality Indicator [Line Items]      
Loans, net of unearned income $ 271 $ 256  
Past due ratio 1.83% 1.74%  
In offices outside North America | Consumer loans | Credit cards | 90+ days past due      
Financing Receivable, Credit Quality Indicator [Line Items]      
Loans, net of unearned income $ 356 $ 317  
Past due ratio 2.40% 2.16%  
In offices outside North America | Consumer loans | Credit cards | Classifiably managed      
Financing Receivable, Credit Quality Indicator [Line Items]      
Loans, net of unearned income $ 0 $ 0  
In offices outside North America | Consumer loans | Credit cards | Delinquency-managed loans      
Financing Receivable, Credit Quality Indicator [Line Items]      
Loans, net of unearned income 14,814 14,701  
In offices outside North America | Consumer loans | Personal, small business and other      
Financing Receivable, Credit Quality Indicator [Line Items]      
Loans, net of unearned income $ 43,479 40,320  
NCL ratio 1.20%   1.00%
In offices outside North America | Consumer loans | Personal, small business and other | 30–89 days past due      
Financing Receivable, Credit Quality Indicator [Line Items]      
Loans, net of unearned income $ 131 $ 128  
Past due ratio 0.75% 0.71%  
In offices outside North America | Consumer loans | Personal, small business and other | 90+ days past due      
Financing Receivable, Credit Quality Indicator [Line Items]      
Loans, net of unearned income $ 49 $ 49  
Past due ratio 0.28% 0.27%  
In offices outside North America | Consumer loans | Personal, small business and other | Classifiably managed      
Financing Receivable, Credit Quality Indicator [Line Items]      
Loans, net of unearned income $ 26,022 $ 22,297  
Investment grade % 58.00%    
In offices outside North America | Consumer loans | Personal, small business and other | Delinquency-managed loans      
Financing Receivable, Credit Quality Indicator [Line Items]      
Loans, net of unearned income $ 17,457 18,023  
In offices outside North America | Consumer loans | Personal, small business and other | Global Wealth Management Business      
Financing Receivable, Credit Quality Indicator [Line Items]      
Loans, net of unearned income $ 33,100 $ 30,600