v3.26.3
SEGMENT REPORTING (Details)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2026
USD ($)
Sep. 30, 2025
USD ($)
Sep. 30, 2026
USD ($)
business_unit
Sep. 30, 2025
USD ($)
Dec. 31, 2025
USD ($)
Segment Reporting [Line Items]          
Number of reporting segments | business_unit     2    
Net interest income (loss) $ 2,069 $ 1,506 $ 6,012 $ 4,399  
Provision for credit losses 123 122 413 340  
Net interest income (loss) after provision for credit losses 1,946 1,384 5,599 4,059  
Noninterest income 722 628 2,189 1,593  
Noninterest expense:          
Direct personnel costs 990 757 2,992 2,150  
Other noninterest expense, including corporate allocations 782 489 2,363 1,445  
Total noninterest expense 1,772 1,246 5,355 3,595  
Income (loss) before income taxes 896 766 2,433 2,057  
Provision (benefit) for income taxes 172 133 451 351  
Income attributable to non-controlling interest 3 4 11 14  
Net income attributable to Huntington 721 629 1,971 1,692  
Assets 287,833   287,833   $ 225,106
Deposits 224,678   224,678   176,610
Operating Segments | Consumer & Regional Banking          
Segment Reporting [Line Items]          
Net interest income (loss) 1,451 1,061 4,274 3,018  
Provision for credit losses 105 121 269 306  
Net interest income (loss) after provision for credit losses 1,346 940 4,005 2,712  
Noninterest income 441 393 1,285 1,059  
Noninterest expense:          
Direct personnel costs 421 308 1,210 907  
Other noninterest expense, including corporate allocations 754 541 2,189 1,601  
Total noninterest expense 1,175 849 3,399 2,508  
Income (loss) before income taxes 612 484 1,891 1,263  
Provision (benefit) for income taxes 128 102 397 265  
Income attributable to non-controlling interest 0 0 0 0  
Net income attributable to Huntington 484 382 1,494 998  
Assets 115,271   115,271   87,307
Deposits 148,587   148,587   117,188
Operating Segments | Commercial Banking          
Segment Reporting [Line Items]          
Net interest income (loss) 706 538 2,065 1,564  
Provision for credit losses 18 1 143 34  
Net interest income (loss) after provision for credit losses 688 537 1,922 1,530  
Noninterest income 256 218 783 557  
Noninterest expense:          
Direct personnel costs 188 152 581 440  
Other noninterest expense, including corporate allocations 235 167 697 499  
Total noninterest expense 423 319 1,278 939  
Income (loss) before income taxes 521 436 1,427 1,148  
Provision (benefit) for income taxes 110 91 300 241  
Income attributable to non-controlling interest 3 4 11 14  
Net income attributable to Huntington 408 341 1,116 893  
Assets 100,707   100,707   79,798
Deposits 67,912   67,912   50,657
Treasury / Other          
Segment Reporting [Line Items]          
Net interest income (loss) (88) (93) (327) (183)  
Provision for credit losses 0 0 1 0  
Net interest income (loss) after provision for credit losses (88) (93) (328) (183)  
Noninterest income 25 17 121 (23)  
Noninterest expense:          
Direct personnel costs 381 297 1,201 803  
Other noninterest expense, including corporate allocations (207) (219) (523) (655)  
Total noninterest expense 174 78 678 148  
Income (loss) before income taxes (237) (154) (885) (354)  
Provision (benefit) for income taxes (66) (60) (246) (155)  
Income attributable to non-controlling interest 0 0 0 0  
Net income attributable to Huntington (171) $ (94) (639) $ (199)  
Assets 71,855   71,855   58,001
Deposits $ 8,179   $ 8,179   $ 8,765