Huntington Bancshares Incorporated Quarterly report pursuant to Section 13 or 15(d)

ALLOWANCE FOR CREDIT LOSSES - Allowance Roll-forward (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023
Financing Receivable, Allowance for Credit Loss [Roll Forward]
ALLL balance, beginning of period	$ 2,255	$ 2,121
Loan and lease charge-offs	(128)	(99)
Recoveries of loans and leases previously charged-off	36	42
Provision for loan and lease losses	117	78
ALLL balance, end of period	2,280	2,142
AULC balance, beginning of period	145	150
Provision for unfunded lending commitments	(10)	7
AULC balance, end of period	135	157
ACL balance, end of period	2,415	2,299
Commercial
Financing Receivable, Allowance for Credit Loss [Roll Forward]
ALLL balance, beginning of period	1,563	1,424
Loan and lease charge-offs	(74)	(52)
Recoveries of loans and leases previously charged-off	19	23
Provision for loan and lease losses	81	62
ALLL balance, end of period	1,589	1,457
AULC balance, beginning of period	66	71
Provision for unfunded lending commitments	3	4
AULC balance, end of period	69	75
ACL balance, end of period	1,658	1,532	$ 1,600
Consumer
Financing Receivable, Allowance for Credit Loss [Roll Forward]
ALLL balance, beginning of period	692	697
Loan and lease charge-offs	(54)	(47)
Recoveries of loans and leases previously charged-off	17	19
Provision for loan and lease losses	36	16
ALLL balance, end of period	691	685
AULC balance, beginning of period	79	79
Provision for unfunded lending commitments	(13)	3
AULC balance, end of period	66	82
ACL balance, end of period	$ 757	$ 767	$ 771