REVENUE FROM CONTRACTS WITH CUSTOMERS (Tables)

3 Months Ended

Mar. 31, 2025

Revenue from Contract with Customer [Abstract]

Schedule of Noninterest Income

(dollar amounts in millions)	Consumer & Regional Banking		Commercial Banking		Treasury / Other		Huntington Consolidated
Major Revenue Streams
Three months ended March 31, 2025
Payments and cash management revenue	$	108	$	32	$	—	$	140
Wealth and asset management revenue	95		6		—		101
Customer deposit and loan fees	52		2		—		54
Capital markets and advisory fees	4		26		—		30
Leasing revenue	1		3		—		4
Insurance income	17		3		—		20
Other noninterest income	1		1		—		2
Net revenue from contracts with customers	278		73		—		351
Noninterest income within the scope of other GAAP topics	49		89		5		143
Total noninterest income	$	327	$	162	$	5	$	494
Three months ended March 31, 2024
Payments and cash management revenue	$	107	$	27	$	—	$	134
Wealth and asset management revenue	85		3		—		88
Customer deposit and loan fees	50		4		—		54
Capital markets and advisory fees	4		25		—		29
Leasing revenue	1		9		—		10
Insurance income	16		3		—		19
Other noninterest income	2		—		—		2
Net revenue from contracts with customers	265		71		—		336
Noninterest income within the scope of other GAAP topics	43		74		14		131
Total noninterest income	$	308	$	145	$	14	$	467