v3.25.4
LOANS - Types of Consumer Loan Modifications and Their Financial Effect (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Consumer | In North America offices    
Financing receivable impaired    
Modifications as % of loans 0.59% 0.48%
Total modifications balance $ 1,937 $ 1,559
Consumer | In North America offices | Interest rate reduction    
Financing receivable impaired    
Total modifications balance 1,529 1,432
Consumer | In North America offices | Term extension    
Financing receivable impaired    
Total modifications balance 61 52
Consumer | In North America offices | Payment delay    
Financing receivable impaired    
Total modifications balance 304 41
Consumer | In North America offices | Combination: interest rate reduction and term extension    
Financing receivable impaired    
Total modifications balance $ 43 $ 34
Consumer | Outside U.S.    
Financing receivable impaired    
Modifications as % of loans 0.13% 0.12%
Total modifications balance $ 102 $ 84
Consumer | Outside U.S. | Interest rate reduction    
Financing receivable impaired    
Total modifications balance 35 23
Consumer | Outside U.S. | Term extension    
Financing receivable impaired    
Total modifications balance 0 5
Consumer | Outside U.S. | Payment delay    
Financing receivable impaired    
Total modifications balance 29 34
Consumer | Outside U.S. | Combination: interest rate reduction and term extension    
Financing receivable impaired    
Total modifications balance 38 22
Consumer | Residential first mortgages    
Financing receivable impaired    
Loans forgiven $ 1 $ 1
Consumer | Residential first mortgages | In North America offices    
Financing receivable impaired    
Modifications as % of loans 0.32% 0.09%
Total modifications balance $ 380 $ 99
Weighted- average interest rate reduction % 1.00% 1.00%
Weighted- average term extension (months) 178 months 165 months
Weighted- average delay in payments (months) 10 months 8 months
Consumer | Residential first mortgages | In North America offices | Interest rate reduction    
Financing receivable impaired    
Total modifications balance $ 3 $ 1
Consumer | Residential first mortgages | In North America offices | Term extension    
Financing receivable impaired    
Total modifications balance 61 52
Consumer | Residential first mortgages | In North America offices | Payment delay    
Financing receivable impaired    
Total modifications balance 301 36
Consumer | Residential first mortgages | In North America offices | Combination: interest rate reduction and term extension    
Financing receivable impaired    
Total modifications balance $ 15 $ 10
Consumer | Residential first mortgages | Outside U.S.    
Financing receivable impaired    
Modifications as % of loans 0.15% 0.15%
Total modifications balance $ 35 $ 37
Weighted- average interest rate reduction % 2.00% 2.00%
Weighted- average term extension (months) 201 months 189 months
Weighted- average delay in payments (months) 12 months 12 months
Consumer | Residential first mortgages | Outside U.S. | Interest rate reduction    
Financing receivable impaired    
Total modifications balance $ 0 $ 0
Consumer | Residential first mortgages | Outside U.S. | Term extension    
Financing receivable impaired    
Total modifications balance 0 0
Consumer | Residential first mortgages | Outside U.S. | Payment delay    
Financing receivable impaired    
Total modifications balance 29 34
Consumer | Residential first mortgages | Outside U.S. | Combination: interest rate reduction and term extension    
Financing receivable impaired    
Total modifications balance $ 6 $ 3
Consumer | Home equity loans | In North America offices    
Financing receivable impaired    
Modifications as % of loans 0.10% 0.10%
Total modifications balance $ 3 $ 3
Weighted- average interest rate reduction % 0.00% 2.00%
Weighted- average term extension (months)   163 months
Weighted- average delay in payments (months) 9 months 10 months
Consumer | Home equity loans | In North America offices | Interest rate reduction    
Financing receivable impaired    
Total modifications balance $ 0 $ 0
Consumer | Home equity loans | In North America offices | Term extension    
Financing receivable impaired    
Total modifications balance 0 0
Consumer | Home equity loans | In North America offices | Payment delay    
Financing receivable impaired    
Total modifications balance 3 2
Consumer | Home equity loans | In North America offices | Combination: interest rate reduction and term extension    
Financing receivable impaired    
Total modifications balance 0 1
Consumer | Credit cards    
Financing receivable impaired    
Loans forgiven $ 134 $ 81
Consumer | Credit cards | In North America offices    
Financing receivable impaired    
Modifications as % of loans 0.88% 0.84%
Total modifications balance $ 1,525 $ 1,432
Weighted- average interest rate reduction % 24.00% 24.00%
Weighted- average delay in payments (months)   4 months
Consumer | Credit cards | In North America offices | Interest rate reduction    
Financing receivable impaired    
Total modifications balance $ 1,525 $ 1,430
Consumer | Credit cards | In North America offices | Term extension    
Financing receivable impaired    
Total modifications balance 0 0
Consumer | Credit cards | In North America offices | Payment delay    
Financing receivable impaired    
Total modifications balance 0 2
Consumer | Credit cards | In North America offices | Combination: interest rate reduction and term extension    
Financing receivable impaired    
Total modifications balance $ 0 $ 0
Consumer | Credit cards | Outside U.S.    
Financing receivable impaired    
Modifications as % of loans 0.18% 0.13%
Total modifications balance $ 27 $ 17
Weighted- average interest rate reduction % 26.00% 23.00%
Weighted- average term extension (months) 22 months  
Consumer | Credit cards | Outside U.S. | Interest rate reduction    
Financing receivable impaired    
Total modifications balance $ 24 $ 17
Consumer | Credit cards | Outside U.S. | Term extension    
Financing receivable impaired    
Total modifications balance 0 0
Consumer | Credit cards | Outside U.S. | Payment delay    
Financing receivable impaired    
Total modifications balance 0 0
Consumer | Credit cards | Outside U.S. | Combination: interest rate reduction and term extension    
Financing receivable impaired    
Total modifications balance 3 0
Consumer | Personal, small business and other    
Financing receivable impaired    
Loans forgiven $ 3 $ 3
Consumer | Personal, small business and other | In North America offices    
Financing receivable impaired    
Modifications as % of loans 0.09% 0.08%
Total modifications balance $ 29 $ 25
Weighted- average interest rate reduction % 8.00% 8.00%
Weighted- average term extension (months) 18 months 18 months
Weighted- average delay in payments (months)   7 months
Consumer | Personal, small business and other | In North America offices | Interest rate reduction    
Financing receivable impaired    
Total modifications balance $ 1 $ 1
Consumer | Personal, small business and other | In North America offices | Term extension    
Financing receivable impaired    
Total modifications balance 0 0
Consumer | Personal, small business and other | In North America offices | Payment delay    
Financing receivable impaired    
Total modifications balance 0 1
Consumer | Personal, small business and other | In North America offices | Combination: interest rate reduction and term extension    
Financing receivable impaired    
Total modifications balance $ 28 $ 23
Consumer | Personal, small business and other | Outside U.S.    
Financing receivable impaired    
Modifications as % of loans 0.10% 0.09%
Total modifications balance $ 40 $ 30
Weighted- average interest rate reduction % 7.00% 7.00%
Weighted- average term extension (months) 25 months 25 months
Consumer | Personal, small business and other | Outside U.S. | Interest rate reduction    
Financing receivable impaired    
Total modifications balance $ 11 $ 6
Consumer | Personal, small business and other | Outside U.S. | Term extension    
Financing receivable impaired    
Total modifications balance 0 5
Consumer | Personal, small business and other | Outside U.S. | Payment delay    
Financing receivable impaired    
Total modifications balance 0 0
Consumer | Personal, small business and other | Outside U.S. | Combination: interest rate reduction and term extension    
Financing receivable impaired    
Total modifications balance 29 $ 19
Corporate    
Financing receivable impaired    
Total modifications balance 369  
Corporate | Term extension    
Financing receivable impaired    
Total modifications balance 369  
Corporate | Combination: term extension and payment delay    
Financing receivable impaired    
Total modifications balance 0  
Corporate | Financial institutions    
Financing receivable impaired    
Total modifications balance 0  
Corporate | Financial institutions | Term extension    
Financing receivable impaired    
Total modifications balance 0  
Corporate | Financial institutions | Combination: term extension and payment delay    
Financing receivable impaired    
Total modifications balance 0  
Corporate | Other    
Financing receivable impaired    
Total modifications balance $ 6  
Weighted- average term extension (months) 49 months  
Corporate | Other | Term extension    
Financing receivable impaired    
Total modifications balance $ 6  
Corporate | Other | Combination: term extension and payment delay    
Financing receivable impaired    
Total modifications balance $ 0