v3.25.4
FAIR VALUE MEASUREMENT - Items Measured at Fair Value on a Nonrecurring Basis (Details) - USD ($)
$ in Millions
Dec. 31, 2025
Dec. 31, 2024
Items Measured at Fair Value on a Nonrecurring Basis    
Non-marketable equity securities measured using the measurement alternative $ 7,678 $ 7,399
Nonrecurring    
Items Measured at Fair Value on a Nonrecurring Basis    
Loans held-for-sale 641 684
Other real estate owned 0 1
Loans 272 353
Non-marketable equity securities measured using the measurement alternative 350 184
Total assets 1,263 1,222
Nonrecurring | Level 2    
Items Measured at Fair Value on a Nonrecurring Basis    
Loans held-for-sale 188 413
Other real estate owned 0 0
Loans 0 0
Non-marketable equity securities measured using the measurement alternative 0 0
Total assets 188 413
Nonrecurring | Level 3    
Items Measured at Fair Value on a Nonrecurring Basis    
Loans held-for-sale 453 271
Other real estate owned 0 1
Loans 272 353
Non-marketable equity securities measured using the measurement alternative 350 184
Total assets $ 1,075 $ 809