v3.25.4
LOANS - Defaults of Modified Consumer Loans (Details) - Consumer - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
In North America offices    
Loans receivable    
Loans in default $ 201 $ 243
In North America offices | Interest rate reduction    
Loans receivable    
Loans in default 166 211
In North America offices | Term extension    
Loans receivable    
Loans in default 21 28
In North America offices | Payment delay    
Loans receivable    
Loans in default 0 0
In North America offices | Combination: interest rate reduction and term extension    
Loans receivable    
Loans in default 14 4
In North America offices | Combination: term extension and payment delay    
Loans receivable    
Loans in default 0 0
In North America offices | Combination: interest rate reduction, term extension and payment delay    
Loans receivable    
Loans in default 0 0
In offices outside the U.S.    
Loans receivable    
Loans in default 17 10
In offices outside the U.S. | Interest rate reduction    
Loans receivable    
Loans in default 4 1
In offices outside the U.S. | Term extension    
Loans receivable    
Loans in default 0 0
In offices outside the U.S. | Payment delay    
Loans receivable    
Loans in default 4 4
In offices outside the U.S. | Combination: interest rate reduction and term extension    
Loans receivable    
Loans in default 9 5
In offices outside the U.S. | Combination: term extension and payment delay    
Loans receivable    
Loans in default 0 0
In offices outside the U.S. | Combination: interest rate reduction, term extension and payment delay    
Loans receivable    
Loans in default 0 0
Residential first mortgages | In North America offices    
Loans receivable    
Loans in default 34 31
Residential first mortgages | In North America offices | Interest rate reduction    
Loans receivable    
Loans in default 1 0
Residential first mortgages | In North America offices | Term extension    
Loans receivable    
Loans in default 21 28
Residential first mortgages | In North America offices | Payment delay    
Loans receivable    
Loans in default 0 0
Residential first mortgages | In North America offices | Combination: interest rate reduction and term extension    
Loans receivable    
Loans in default 12 3
Residential first mortgages | In North America offices | Combination: term extension and payment delay    
Loans receivable    
Loans in default 0 0
Residential first mortgages | In North America offices | Combination: interest rate reduction, term extension and payment delay    
Loans receivable    
Loans in default 0 0
Residential first mortgages | In offices outside the U.S.    
Loans receivable    
Loans in default 5 4
Residential first mortgages | In offices outside the U.S. | Interest rate reduction    
Loans receivable    
Loans in default 0 0
Residential first mortgages | In offices outside the U.S. | Term extension    
Loans receivable    
Loans in default 0 0
Residential first mortgages | In offices outside the U.S. | Payment delay    
Loans receivable    
Loans in default 4 4
Residential first mortgages | In offices outside the U.S. | Combination: interest rate reduction and term extension    
Loans receivable    
Loans in default 1 0
Residential first mortgages | In offices outside the U.S. | Combination: term extension and payment delay    
Loans receivable    
Loans in default 0 0
Residential first mortgages | In offices outside the U.S. | Combination: interest rate reduction, term extension and payment delay    
Loans receivable    
Loans in default 0 0
Home equity loans | In North America offices    
Loans receivable    
Loans in default 0 0
Home equity loans | In North America offices | Interest rate reduction    
Loans receivable    
Loans in default 0 0
Home equity loans | In North America offices | Term extension    
Loans receivable    
Loans in default 0 0
Home equity loans | In North America offices | Payment delay    
Loans receivable    
Loans in default 0 0
Home equity loans | In North America offices | Combination: interest rate reduction and term extension    
Loans receivable    
Loans in default 0 0
Home equity loans | In North America offices | Combination: term extension and payment delay    
Loans receivable    
Loans in default 0 0
Home equity loans | In North America offices | Combination: interest rate reduction, term extension and payment delay    
Loans receivable    
Loans in default 0 0
Total credit cards | In North America offices    
Loans receivable    
Loans in default 165 211
Total credit cards | In North America offices | Interest rate reduction    
Loans receivable    
Loans in default 165 211
Total credit cards | In North America offices | Term extension    
Loans receivable    
Loans in default 0 0
Total credit cards | In North America offices | Payment delay    
Loans receivable    
Loans in default 0 0
Total credit cards | In North America offices | Combination: interest rate reduction and term extension    
Loans receivable    
Loans in default 0 0
Total credit cards | In North America offices | Combination: term extension and payment delay    
Loans receivable    
Loans in default 0 0
Total credit cards | In North America offices | Combination: interest rate reduction, term extension and payment delay    
Loans receivable    
Loans in default 0 0
Total credit cards | In offices outside the U.S.    
Loans receivable    
Loans in default 3 1
Total credit cards | In offices outside the U.S. | Interest rate reduction    
Loans receivable    
Loans in default 3 1
Total credit cards | In offices outside the U.S. | Term extension    
Loans receivable    
Loans in default 0 0
Total credit cards | In offices outside the U.S. | Payment delay    
Loans receivable    
Loans in default 0 0
Total credit cards | In offices outside the U.S. | Combination: interest rate reduction and term extension    
Loans receivable    
Loans in default 0 0
Total credit cards | In offices outside the U.S. | Combination: term extension and payment delay    
Loans receivable    
Loans in default 0 0
Total credit cards | In offices outside the U.S. | Combination: interest rate reduction, term extension and payment delay    
Loans receivable    
Loans in default 0 0
Personal, small business and other | In North America offices    
Loans receivable    
Loans in default 2 1
Personal, small business and other | In North America offices | Interest rate reduction    
Loans receivable    
Loans in default 0 0
Personal, small business and other | In North America offices | Term extension    
Loans receivable    
Loans in default 0 0
Personal, small business and other | In North America offices | Payment delay    
Loans receivable    
Loans in default 0 0
Personal, small business and other | In North America offices | Combination: interest rate reduction and term extension    
Loans receivable    
Loans in default 2 1
Personal, small business and other | In North America offices | Combination: term extension and payment delay    
Loans receivable    
Loans in default 0 0
Personal, small business and other | In North America offices | Combination: interest rate reduction, term extension and payment delay    
Loans receivable    
Loans in default 0 0
Personal, small business and other | In offices outside the U.S.    
Loans receivable    
Loans in default 9 5
Personal, small business and other | In offices outside the U.S. | Interest rate reduction    
Loans receivable    
Loans in default 1 0
Personal, small business and other | In offices outside the U.S. | Term extension    
Loans receivable    
Loans in default 0 0
Personal, small business and other | In offices outside the U.S. | Payment delay    
Loans receivable    
Loans in default 0 0
Personal, small business and other | In offices outside the U.S. | Combination: interest rate reduction and term extension    
Loans receivable    
Loans in default 8 5
Personal, small business and other | In offices outside the U.S. | Combination: term extension and payment delay    
Loans receivable    
Loans in default 0 0
Personal, small business and other | In offices outside the U.S. | Combination: interest rate reduction, term extension and payment delay    
Loans receivable    
Loans in default $ 0 $ 0