v3.26.1
INVESTMENT SECURITIES - Schedule of Interest and Dividends on Investment Securities (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Investments [Abstract]        
Interest income - taxable investment securities $ 401 $ 418 $ 784 $ 831
Dividend income - marketable equity securities 0 1 1 2
Interest on investment securities $ 401 $ 419 $ 785 $ 833