v3.26.3
INVESTMENT SECURITIES - Schedule of Amortized Cost and Fair Value of Investment Securities (Details) - USD ($)
$ in Millions
Sep. 30, 2026
Dec. 31, 2025
Investment securities available for sale    
Amortized Cost $ 36,827 $ 31,952
Gross Unrealized Gains 3 341
Gross Unrealized Losses (1,224) (503)
Investment securities available for sale 35,606 31,790
Investment in marketable equity securities    
Amortized Cost 73 83
Gross Unrealized Gains 40 44
Gross Unrealized Losses (1) 0
Fair Value 112 127
Investment securities held to maturity    
Amortized Cost 9,157 9,647
Gross Unrealized Gains 0 32
Gross Unrealized Losses (1,513) (1,188)
Fair Value 7,644 8,491
Total investment securities    
Amortized Cost 46,057 41,682
Gross Unrealized Gains 43 417
Gross Unrealized Losses (2,738) (1,691)
Fair Value 43,362 40,408
U.S. Treasury    
Investment securities available for sale    
Amortized Cost 15,725 10,624
Gross Unrealized Gains 1 50
Gross Unrealized Losses (144) (1)
Investment securities available for sale 15,582 10,673
Investment securities held to maturity    
Amortized Cost 391 388
Gross Unrealized Gains 0 0
Gross Unrealized Losses (14) (15)
Fair Value 377 373
Government agency    
Investment securities available for sale    
Amortized Cost 29 44
Gross Unrealized Gains 0 0
Gross Unrealized Losses (1) (1)
Investment securities available for sale 28 43
Investment securities held to maturity    
Amortized Cost 992 1,225
Gross Unrealized Gains 0 0
Gross Unrealized Losses (62) (55)
Fair Value 930 1,170
Residential mortgage-backed securities    
Investment securities available for sale    
Amortized Cost 17,856 17,683
Gross Unrealized Gains 1 263
Gross Unrealized Losses (843) (323)
Investment securities available for sale 17,014 17,623
Investment securities held to maturity    
Amortized Cost 4,276 4,450
Gross Unrealized Gains 0 32
Gross Unrealized Losses (644) (490)
Fair Value 3,632 3,992
Commercial mortgage-backed securities    
Investment securities available for sale    
Amortized Cost 3,062 3,444
Gross Unrealized Gains 1 28
Gross Unrealized Losses (232) (173)
Investment securities available for sale 2,831 3,299
Investment securities held to maturity    
Amortized Cost 3,249 3,337
Gross Unrealized Gains 0 0
Gross Unrealized Losses (768) (608)
Fair Value 2,481 2,729
Corporate bonds    
Investment securities available for sale    
Amortized Cost 125 145
Gross Unrealized Gains 0 0
Gross Unrealized Losses (4) (5)
Investment securities available for sale 121 140
Municipal bonds    
Investment securities available for sale    
Amortized Cost 12 12
Gross Unrealized Gains 0 0
Gross Unrealized Losses 0 0
Investment securities available for sale 12 12
Supranational securities    
Investment securities held to maturity    
Amortized Cost 247 246
Gross Unrealized Gains 0 0
Gross Unrealized Losses (25) (20)
Fair Value 222 226
Other    
Investment securities available for sale    
Amortized Cost 18 0
Gross Unrealized Gains 0 0
Gross Unrealized Losses 0 0
Investment securities available for sale 18 0
Investment securities held to maturity    
Amortized Cost 2 1
Gross Unrealized Gains 0 0
Gross Unrealized Losses 0 0
Fair Value $ 2 $ 1