v3.26.1
INVESTMENT SECURITIES - Schedule of Amortized Cost and Fair Value of Investment Securities (Details) - USD ($)
$ in Millions
Mar. 31, 2026
Dec. 31, 2025
Investment securities available for sale    
Amortized Cost $ 33,663 $ 31,952
Gross Unrealized Gains 199 341
Gross Unrealized Losses (548) (503)
Investment securities available for sale 33,314 31,790
Investment in marketable equity securities    
Amortized Cost 83 83
Gross Unrealized Gains 47 44
Gross Unrealized Losses 0 0
Fair Value 130 127
Investment securities held to maturity    
Amortized Cost 9,542 9,647
Gross Unrealized Gains 21 32
Gross Unrealized Losses (1,203) (1,188)
Fair Value 8,360 8,491
Total investment securities    
Amortized Cost 43,288 41,682
Gross Unrealized Gains 267 417
Gross Unrealized Losses (1,751) (1,691)
Fair Value 41,804 40,408
U.S. Treasury    
Investment securities available for sale    
Amortized Cost 12,439 10,624
Gross Unrealized Gains 23 50
Gross Unrealized Losses (20) (1)
Investment securities available for sale 12,442 10,673
Investment securities held to maturity    
Amortized Cost 389 388
Gross Unrealized Gains 0 0
Gross Unrealized Losses (15) (15)
Fair Value 374 373
Government agency    
Investment securities available for sale    
Amortized Cost 39 44
Gross Unrealized Gains 0 0
Gross Unrealized Losses (1) (1)
Investment securities available for sale 38 43
Investment securities held to maturity    
Amortized Cost 1,205 1,225
Gross Unrealized Gains 0 0
Gross Unrealized Losses (55) (55)
Fair Value 1,150 1,170
Residential mortgage-backed securities    
Investment securities available for sale    
Amortized Cost 17,782 17,683
Gross Unrealized Gains 160 263
Gross Unrealized Losses (347) (323)
Investment securities available for sale 17,595 17,623
Investment securities held to maturity    
Amortized Cost 4,395 4,450
Gross Unrealized Gains 21 32
Gross Unrealized Losses (490) (490)
Fair Value 3,926 3,992
Commercial mortgage-backed securities    
Investment securities available for sale    
Amortized Cost 3,259 3,444
Gross Unrealized Gains 16 28
Gross Unrealized Losses (176) (173)
Investment securities available for sale 3,099 3,299
Investment securities held to maturity    
Amortized Cost 3,305 3,337
Gross Unrealized Gains 0 0
Gross Unrealized Losses (623) (608)
Fair Value 2,682 2,729
Corporate bonds    
Investment securities available for sale    
Amortized Cost 132 145
Gross Unrealized Gains 0 0
Gross Unrealized Losses (4) (5)
Investment securities available for sale 128 140
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 246 246
Gross Unrealized Gains 0 0
Gross Unrealized Losses (20) (20)
Fair Value 226 226
Other    
Investment securities held to maturity    
Amortized Cost 2 1
Gross Unrealized Gains 0 0
Gross Unrealized Losses 0 0
Fair Value $ 2 $ 1