v3.26.1
INVESTMENT SECURITIES - Schedule of Realized Gains and Losses from Available-for-sale 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]        
Gross realized gain on sale of investment securities available for sale $ 12 $ 0 $ 12 $ 1
Gross realized loss on sale of investment securities available for sale (12) 0 (12) (2)
Net realized gain (loss) on sale of investment securities available for sale 0 0 0 (1)
Net realized gain on sale of marketable equity securities 0 0 0 1
Realized gain (loss) on sale of investment securities, net $ 0 $ 0 $ 0 $ 0