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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 | Mar. 31, 2025 | Dec. 31, 2024
--- | --- | ---
Financing Receivable, Modifications |  |
With an ALLL | $ 709 | $ 550
No Related ALLL | 287 | 303
Total | 996 | 853
Loans held for sale | 473 | 640
Nonperforming |  |
Financing Receivable, Modifications |  |
Loans held for sale | 21 | 7
Nonperforming | Government Insured |  |
Financing Receivable, Modifications |  |
Total | 19 | 18
Commercial |  |
Financing Receivable, Modifications |  |
With an ALLL | 503 | 319
No Related ALLL | 120 | 137
Total | 623 | 456
Commercial | Commercial and industrial loans |  |
Financing Receivable, Modifications |  |
With an ALLL | 439 | 265
No Related ALLL | 98 | 109
Total | 537 | 374
Loans held for sale | 28 | 15
Commercial | Commercial mortgage owner-occupied loans |  |
Financing Receivable, Modifications |  |
With an ALLL | 59 | 52
No Related ALLL | 3 | 23
Total | 62 | 75
Commercial | Commercial mortgage nonowner-occupied loans |  |
Financing Receivable, Modifications |  |
With an ALLL | 4 | 0
No Related ALLL | 4 | 4
Total | 8 | 4
Commercial | Commercial construction loans |  |
Financing Receivable, Modifications |  |
With an ALLL | 0 | 0
No Related ALLL | 0 | 1
Total | 0 | 1
Loans held for sale | 0 | 29
Commercial | Commercial leases |  |
Financing Receivable, Modifications |  |
With an ALLL | 1 | 2
No Related ALLL | 15 | 0
Total | 16 | 2
Residential Mortgage |  |
Financing Receivable, Modifications |  |
With an ALLL | 66 | 57
No Related ALLL | 79 | 80
Total | 145 | 137
Consumer |  |
Financing Receivable, Modifications |  |
With an ALLL | 140 | 174
No Related ALLL | 58 | 56
Total | 198 | 230
Consumer | Home equity |  |
Financing Receivable, Modifications |  |
With an ALLL | 20 | 21
No Related ALLL | 49 | 49
Total | 69 | 70
Consumer | Indirect secured consumer loans |  |
Financing Receivable, Modifications |  |
With an ALLL | 51 | 48
No Related ALLL | 9 | 7
Total | 60 | 55
Consumer | Credit card |  |
Financing Receivable, Modifications |  |
With an ALLL | 31 | 32
No Related ALLL | 0 | 0
Total | 31 | 32
Consumer | Solar energy installation loans |  |
Financing Receivable, Modifications |  |
With an ALLL | 30 | 64
No Related ALLL | 0 | 0
Total | 30 | 64
Consumer | Other consumer loans |  |
Financing Receivable, Modifications |  |
With an ALLL | 8 | 9
No Related ALLL | 0 | 0
Total | 8 | 9
Nonaccrual portfolio loans and leases |  |
Financing Receivable, Modifications |  |
With an ALLL | 709 | 550
No Related ALLL | 257 | 273
Total | 966 | 823
OREO and other repossessed property |  |
Financing Receivable, Modifications |  |
With an ALLL | 0 | 0
No Related ALLL | 30 | 30
Total | $ 30 | $ 30

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