v3.26.1
SEGMENT REPORTING (Details)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
USD ($)
Jun. 30, 2025
USD ($)
Jun. 30, 2026
USD ($)
business_unit
Jun. 30, 2025
USD ($)
Dec. 31, 2025
USD ($)
Segment Reporting [Line Items]          
Number of reporting segments | business_unit     2    
Net interest income (loss) $ 2,052 $ 1,467 $ 3,943 $ 2,893  
Provision (benefit) for credit losses 132 103 290 218  
Net interest income (loss) after provision for credit losses 1,920 1,364 3,653 2,675  
Noninterest income 785 471 1,467 965  
Noninterest expense:          
Direct personnel costs 1,010 722 2,002 1,393  
Other noninterest expense, including corporate allocations 799 475 1,581 956  
Total noninterest expense 1,809 1,197 3,583 2,349  
Income (loss) before income taxes 896 638 1,537 1,291  
Provision (benefit) for income taxes 165 96 279 218  
Income attributable to non-controlling interest 4 6 8 10  
Net income attributable to Huntington 727 536 1,250 1,063  
Assets 283,984   283,984   $ 225,106
Deposits 222,466   222,466   176,610
Operating Segments | Consumer & Regional Banking          
Segment Reporting [Line Items]          
Net interest income (loss) 1,458 1,014 2,823 1,957  
Provision (benefit) for credit losses 44 138 164 185  
Net interest income (loss) after provision for credit losses 1,414 876 2,659 1,772  
Noninterest income 457 339 844 666  
Noninterest expense:          
Direct personnel costs 416 305 789 599  
Other noninterest expense, including corporate allocations 741 535 1,435 1,060  
Total noninterest expense 1,157 840 2,224 1,659  
Income (loss) before income taxes 714 375 1,279 779  
Provision (benefit) for income taxes 150 78 269 163  
Income attributable to non-controlling interest 0 0 0 0  
Net income attributable to Huntington 564 297 1,010 616  
Assets 116,050   116,050   87,307
Deposits 150,687   150,687   117,188
Operating Segments | Commercial Banking          
Segment Reporting [Line Items]          
Net interest income (loss) 719 513 1,359 1,026  
Provision (benefit) for credit losses 87 (35) 125 33  
Net interest income (loss) after provision for credit losses 632 548 1,234 993  
Noninterest income 275 177 527 339  
Noninterest expense:          
Direct personnel costs 200 149 393 288  
Other noninterest expense, including corporate allocations 244 168 462 332  
Total noninterest expense 444 317 855 620  
Income (loss) before income taxes 463 408 906 712  
Provision (benefit) for income taxes 97 86 190 150  
Income attributable to non-controlling interest 4 6 8 10  
Net income attributable to Huntington 362 316 708 552  
Assets 98,134   98,134   79,798
Deposits 62,713   62,713   50,657
Treasury / Other          
Segment Reporting [Line Items]          
Net interest income (loss) (125) (60) (239) (90)  
Provision (benefit) for credit losses 1 0 1 0  
Net interest income (loss) after provision for credit losses (126) (60) (240) (90)  
Noninterest income 53 (45) 96 (40)  
Noninterest expense:          
Direct personnel costs 394 268 820 506  
Other noninterest expense, including corporate allocations (186) (228) (316) (436)  
Total noninterest expense 208 40 504 70  
Income (loss) before income taxes (281) (145) (648) (200)  
Provision (benefit) for income taxes (82) (68) (180) (95)  
Income attributable to non-controlling interest 0 0 0 0  
Net income attributable to Huntington (199) $ (77) (468) $ (105)  
Assets 69,800   69,800   58,001
Deposits $ 9,066   $ 9,066   $ 8,765