v3.25.2
FAIR VALUE MEASUREMENT - Items Measured at Fair Value on a Nonrecurring Basis (Details) - USD ($)
$ in Millions
Jun. 30, 2025
Dec. 31, 2024
Items Measured at Fair Value on a Nonrecurring Basis    
Non-marketable equity securities measured using the measurement alternative $ 7,504 $ 7,399
Nonrecurring | Level 2    
Items Measured at Fair Value on a Nonrecurring Basis    
Loans HFS 734 413
Other real estate owned 0 0
Loans 0 0
Non-marketable equity securities measured using the measurement alternative 0 0
Total assets 734 413
Nonrecurring | Level 3    
Items Measured at Fair Value on a Nonrecurring Basis    
Loans HFS 1,164 271
Other real estate owned 0 1
Loans 504 353
Non-marketable equity securities measured using the measurement alternative 246 184
Total assets 1,914 809
Fair value | Nonrecurring    
Items Measured at Fair Value on a Nonrecurring Basis    
Loans HFS 1,898 684
Other real estate owned 0 1
Loans 504 353
Non-marketable equity securities measured using the measurement alternative 246 184
Total assets $ 2,648 $ 1,222