PARENT-ONLY FINANCIAL STATEMENTS - Balance Sheet (Details) - USD ($) $ in Millions		Dec. 31, 2025	Dec. 31, 2024
Assets
Accrued interest receivable and other assets	[1]	$ 6,468	$ 5,642
Total assets		225,106	204,230
Liabilities and shareholders’ equity
Long-term borrowings	[1]	17,221	16,374
Dividends payable, accrued expenses, and other liabilities	[1]	5,635	5,427
Total liabilities		200,727	184,448
Shareholders’ equity		24,342	19,740
Total liabilities and equity		225,106	204,230
Parent Company
Assets
Cash and due from banks		3,588	4,103
Due from The Huntington National Bank		3,116	2,817
Due from non-bank subsidiaries		18	18
Investment in The Huntington National Bank		24,712	20,127
Investment in non-bank subsidiaries		357	331
Accrued interest receivable and other assets		991	811
Total assets		32,782	28,207
Liabilities and shareholders’ equity
Long-term borrowings		7,024	7,177
Dividends payable, accrued expenses, and other liabilities		1,416	1,290
Total liabilities		8,440	8,467
Shareholders’ equity		24,342	19,740
Total liabilities and equity		$ 32,782	$ 28,207

[1] Includes VIE balances in net loans and leases, other assets, long-term debt, and other liabilities of $669 million, $431 million, $600 million, and $152 million, respectively, at December 31, 2025, and $1.1 billion, $264 million, $1.0 billion, and $109 million, respectively, at December 31, 2024. See Note 21 - “Variable Interest Entities” for additional information.