DEPOSITS - Additional Information (Details) - USD ($) $ in Millions	Jun. 30, 2023	Dec. 31, 2022
DEPOSITS
Certificates of deposits of $250,000 or more, maturities within one year	$ 446	$ 409
Certificates of deposits of $250,000 or more, maturities after one year	12	27
Certificates of deposits of $250,000 or more, total	458	436
Certificates of deposit of less than $ 250,000, maturities within one year	1,500	1,100
Certificates of deposit of less than $ 250,000, maturities after one year	767	345
Certificates of deposit of less than $250,000, total	$ 2,300	$ 1,400