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Credit Quality and the Allowance for Loan and Lease Losses - Summary of the Bancorp's Nonaccrual Loans and Leases by Class (Details) - USD ($) $ in Millions	Jun. 30, 2026	Dec. 31, 2025
Financing Receivable, Modifications
With an ALLL	$ 727	$ 574
No Related ALLL	348	223
Total	1,075	797
Loans held for sale	866	733
Nonperforming
Financing Receivable, Modifications
Loans held for sale	167	70
Nonperforming | Government Insured
Financing Receivable, Modifications
Total	35	21
Commercial
Financing Receivable, Modifications
With an ALLL	441	371
No Related ALLL	174	56
Total	615	427
Commercial | Commercial and industrial loans
Financing Receivable, Modifications
With an ALLL	377	350
No Related ALLL	78	43
Total	455	393
Loans held for sale	72	46
Commercial | Commercial mortgage owner-occupied loans
Financing Receivable, Modifications
With an ALLL	50	16
No Related ALLL	33	13
Total	83	29
Commercial | Commercial mortgage nonowner-occupied loans
Financing Receivable, Modifications
With an ALLL	10	5
No Related ALLL	1	0
Total	11	5
Commercial | Commercial construction loans
Financing Receivable, Modifications
With an ALLL	0	0
No Related ALLL	62	0
Total	62	0
Loans held for sale	66	0
Commercial | Commercial leases
Financing Receivable, Modifications
With an ALLL	4	0
No Related ALLL	0	0
Total	4	0
Loans held for sale	1	0
Residential Mortgage
Financing Receivable, Modifications
With an ALLL	96	69
No Related ALLL	80	80
Total	176	149
Consumer
Financing Receivable, Modifications
With an ALLL	190	134
No Related ALLL	60	57
Total	250	191
Consumer | Home equity
Financing Receivable, Modifications
With an ALLL	80	23
No Related ALLL	51	48
Total	131	71
Consumer | Indirect secured consumer loans
Financing Receivable, Modifications
With an ALLL	53	52
No Related ALLL	9	9
Total	62	61
Consumer | Credit card
Financing Receivable, Modifications
With an ALLL	29	29
No Related ALLL	0	0
Total	29	29
Consumer | Solar energy installation loans
Financing Receivable, Modifications
With an ALLL	23	22
No Related ALLL	0	0
Total	23	22
Consumer | Other consumer loans
Financing Receivable, Modifications
With an ALLL	5	8
No Related ALLL	0	0
Total	5	8
Nonaccrual portfolio loans and leases
Financing Receivable, Modifications
With an ALLL	727	574
No Related ALLL	314	193
Total	1,041	767
OREO and other repossessed property
Financing Receivable, Modifications
With an ALLL	0	0
No Related ALLL	34	30
Total	$ 34	$ 30

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