v3.26.3
INVESTMENT SECURITIES - Schedule of Realized Gains and Losses from Available-for-sale Securities (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Investments [Abstract]        
Gross realized gain on sale of investment securities available for sale $ 1 $ 0 $ 13 $ 1
Gross realized loss on sale of investment securities available for sale 0 0 (12) (2)
Net realized gain (loss) on sale of investment securities available for sale 1 0 1 (1)
Net realized gain on sale of marketable equity securities 27 0 27 1
Realized gain on sale of investment securities, net $ 28 $ 0 $ 28 $ 0