Allowance for Credit Losses (Tables)

3 Months Ended

Mar. 31, 2026

Accounts, Notes, Loans and Financing Receivable, Gross, Allowance, and Net [Abstract]

Schedule of the Allowance for Loan Losses by Portfolio Segment

The following table provides a rollforward of the ALLL and the reserve for unfunded lending commitments by portfolio type for the three months ended March 31, 2026 and 2025.

ROLLFORWARD OF ALLL & RESERVE FOR UNFUNDED LENDING COMMITMENTS
(Dollars in millions)	Commercial, Financial, and Industrial		Commercial Real Estate		Consumer Real Estate		Credit Card and Other		Total
	Three Months Ended March 31, 2026
Allowance for loan and lease losses:
Balance as of January 1, 2026	$	335	$	177	$	206	$	20	$	738
Charge-offs	(36)		(4)		(1)		(4)		(45)
Recoveries	14		—		2		1		17
Provision for loan and lease losses	40		(17)		(6)		3		20
Balance as of March 31, 2026	$	353	$	156	$	201	$	20	$	730
Reserve for remaining unfunded commitments:
Balance as of January 1, 2026	$	81	$	11	$	9	$	—	$	101
Provision for remaining unfunded commitments	(1)		(4)		—		—		(5)
Balance as of March 31, 2026	80		7		9		—		96
Allowance for credit losses as of March 31, 2026	$	433	$	163	$	210	$	20	$	826
	Three Months Ended March 31, 2025
Allowance for loan and lease losses:
Balance as of January 1, 2025	$	345	$	227	$	221	$	22	$	815
Charge-offs	(34)		(3)		—		(4)		(41)
Recoveries	6		4		1		1		12
Provision for loan and lease losses	28		(3)		8		3		36
Balance as of March 31, 2025	$	345	$	225	$	230	$	22	$	822
Reserve for remaining unfunded commitments:
Balance as of January 1, 2025	$	57	$	11	$	11	$	—	$	79
Provision for remaining unfunded commitments	6		(2)		—		—		4
Balance as of March 31, 2025	63		9		11		—		83
Allowance for credit losses as of March 31, 2025	$	408	$	234	$	241	$	22	$	905

Schedule of Gross Charge offs by Year of Origination

The following table presents gross charge-offs by year of origination for the three months ended March 31, 2026 and 2025.

GROSS CHARGE-OFFS
	Three Months Ended March 31, 2026
(Dollars in millions)	2026		2025		2024		2023		2022		Prior to 2022		Revolving Loans		Total
C&I	$	—	$	—	$	8	$	8	$	3	$	12	$	5	$	36
CRE	—		—		—		—		1		3		—		4
Consumer Real Estate	—		—		—		1		—		—		—		1
Credit Card and Other	2		—		—		—		—		—		2		4
Total	$	2	$	—	$	8	$	9	$	4	$	15	$	7	$	45

	Three Months Ended March 31, 2025
(Dollars in millions)	2025		2024		2023		2022		2021		Prior to 2021		Revolving Loans		Total
C&I	$	—	$	—	$	—	$	5	$	16	$	12	$	1	$	34
CRE	—		—		—		—		—		3		—		3
Consumer Real Estate	—		—		—		—		—		—		—		—
Credit Card and Other	2		—		—		—		—		—		2		4
Total	$	2	$	—	$	—	$	5	$	16	$	15	$	3	$	41