v3.25.4
QUARTERLY FINANCIAL INFORMATION (UNAUDITED) (Financial Information by Quarter) (Details) - USD ($)
$ / shares in Units, $ in Millions
 3 Months Ended 12 Months Ended
Dec. 31, 2025
Sep. 30, 2025
Jun. 30, 2025
Mar. 31, 2025
Dec. 31, 2024
Sep. 30, 2024
Jun. 30, 2024
Mar. 31, 2024
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Quarterly Financial Information Disclosure [Abstract]                      
Total interest income $ 1,041 $ 1,064 $ 1,051 $ 1,028 $ 1,062 $ 1,104 $ 1,073 $ 1,054 $ 4,184 $ 4,293 $ 3,947
Net interest income 683 672 648 624 627 620 597 586 2,627 2,430 2,438
Provision for credit losses 6 49 (1) 18 41 13 5 13 72 72 132
Noninterest income 208 189 190 171 193 172 179 156 758 700 677
Noninterest expense 546 527 527 538 509 502 509 526 2,138 2,046 2,097
Income (loss) before taxes 339 285 312 239 270 277 262 203 1,175 1,012 886
Net income 263 222 244 170 216 214 201 153 899 784 680
Preferred stock dividends (1) (1) (1) (1) (10) (10) (11) (10) (4) (41) (32)
Preferred stock redemption         (6) 0 0 0 0 (6) 0
Net earnings applicable to common shareholders $ 262 $ 221 $ 243 $ 169 $ 200 $ 204 $ 190 $ 143 $ 895 $ 737 $ 648
Net earnings per common share:                      
Basic (in dollars per share) $ 1.76 $ 1.48 $ 1.63 $ 1.13 $ 1.34 $ 1.37 $ 1.28 $ 0.96 $ 6.01 $ 4.95 $ 4.35
Diluted (in dollars per share) $ 1.76 $ 1.48 $ 1.63 $ 1.13 $ 1.34 $ 1.37 $ 1.28 $ 0.96 $ 6.01 $ 4.95 $ 4.35