XML 76 R63.htm IDEA: XBRL DOCUMENT
v3.25.3

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 | Sep. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Financing Receivable, Modifications |  |
With an ALLL | $ 565 | $ 550
No Related ALLL | 236 | 303
Total | 801 | 853
Loans held for sale | 576 | 640
Nonperforming |  |
Financing Receivable, Modifications |  |
Loans held for sale | 4 | 7
Nonperforming | Government Insured |  |
Financing Receivable, Modifications |  |
Total | 15 | 18
Commercial |  |
Financing Receivable, Modifications |  |
With an ALLL | 369 | 319
No Related ALLL | 66 | 137
Total | 435 | 456
Commercial | Commercial and industrial loans |  |
Financing Receivable, Modifications |  |
With an ALLL | 351 | 265
No Related ALLL | 42 | 109
Total | 393 | 374
Loans held for sale | 8 | 15
Commercial | Commercial mortgage owner-occupied loans |  |
Financing Receivable, Modifications |  |
With an ALLL | 14 | 52
No Related ALLL | 22 | 23
Total | 36 | 75
Commercial | Commercial mortgage nonowner-occupied loans |  |
Financing Receivable, Modifications |  |
With an ALLL | 4 | 0
No Related ALLL | 2 | 4
Total | 6 | 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 | 0 | 2
No Related ALLL | 0 | 0
Total | 0 | 2
Residential Mortgage |  |
Financing Receivable, Modifications |  |
With an ALLL | 66 | 57
No Related ALLL | 76 | 80
Total | 142 | 137
Consumer |  |
Financing Receivable, Modifications |  |
With an ALLL | 130 | 174
No Related ALLL | 61 | 56
Total | 191 | 230
Consumer | Home equity |  |
Financing Receivable, Modifications |  |
With an ALLL | 20 | 21
No Related ALLL | 52 | 49
Total | 72 | 70
Consumer | Indirect secured consumer loans |  |
Financing Receivable, Modifications |  |
With an ALLL | 52 | 48
No Related ALLL | 9 | 7
Total | 61 | 55
Consumer | Credit card |  |
Financing Receivable, Modifications |  |
With an ALLL | 29 | 32
No Related ALLL | 0 | 0
Total | 29 | 32
Consumer | Solar energy installation loans |  |
Financing Receivable, Modifications |  |
With an ALLL | 22 | 64
No Related ALLL | 0 | 0
Total | 22 | 64
Consumer | Other consumer loans |  |
Financing Receivable, Modifications |  |
With an ALLL | 7 | 9
No Related ALLL | 0 | 0
Total | 7 | 9
Nonaccrual portfolio loans and leases |  |
Financing Receivable, Modifications |  |
With an ALLL | 565 | 550
No Related ALLL | 203 | 273
Total | 768 | 823
OREO and other repossessed property |  |
Financing Receivable, Modifications |  |
With an ALLL | 0 | 0
No Related ALLL | 33 | 30
Total | $ 33 | $ 30

X
- Definition Financing receivable nonaccrual with related allowance. + References No definition available. + Details
Name: | fitb_FinancingReceivableNonaccrualWithRelatedAllowance
Namespace Prefix: | fitb_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amortized cost excluding accrued interest, of financing receivable on nonaccrual status. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 16 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-16 + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestNonaccrual
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amortized cost excluding accrued interest, of financing receivable on nonaccrual status with no allowance for credit loss. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 16 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-16 + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestNonaccrualNoAllowance
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 12A -Publisher FASB -URI https://asc.fasb.org/1943274/2147481933/310-10-55-12A Reference 2: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 34 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481962/310-10-50-34 Reference 3: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 33 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481962/310-10-50-33 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 42 -Subparagraph (a)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481962/310-10-50-42 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 42 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481962/310-10-50-42 + Details
Name: | us-gaap_FinancingReceivableModificationsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount, before valuation allowance, of financing receivable classified as held-for-sale. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481990/310-10-45-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 948 -SubTopic 310 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147477011/948-310-45-1 + Details
Name: | us-gaap_LoansReceivableHeldForSaleAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_InternalCreditAssessmentAxis=us-gaap_NonperformingFinancingReceivableMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LoansInsuredOrGuaranteedByGovernmentAuthoritiesAxis=us-gaap_LoansInsuredOrGuaranteedByUsGovernmentAuthoritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_CommercialPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=fitb_CommercialAndIndustrialLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=fitb_CommercialMortgageLoansOwnerOccupiedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=fitb_CommercialMortgageLoansNonOwnerOccupiedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_ConstructionLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=fitb_CommercialLeasesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_ResidentialPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_ConsumerPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_HomeEquityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=fitb_IndirectSecuredConsumerLoanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_CreditCardReceivablesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=fitb_SolarEnergyInstallationLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=fitb_OtherConsumerLoansAndLeasesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=fitb_NonaccrualPortfolioLoansAndLeasesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=fitb_OREOAndOtherRepossessedAssetsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |