XML 81 R66.htm IDEA: XBRL DOCUMENT
v3.26.1

Credit Quality and the Allowance for Loan and Lease Losses - Summary of Transactions in the ALLL by Portfolio Segment (Details) - USD ($) $ in Millions |  | 3 Months Ended | 6 Months Ended
--- | --- | --- | ---
Feb. 01, 2026 | Jun. 30, 2026 | Jun. 30, 2025 | Jun. 30, 2026 | Jun. 30, 2025
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |  |  |
Balance, beginning of period |  | $ 2,922 |  | $ 2,384 | $ 2,253 | [1] | $ 2,352
Losses charged off |  | (181) |  | (194) | (368) |  | (366)
Recoveries of losses previously charged off |  | 46 |  | 55 | 89 |  | 90
Provision for (benefit from) loan and lease losses |  | 131 |  | 167 | 283 |  | 336
Allowance on PCD loans and leases at acquisition |  | (1) |  |  |  |  |
Allowance on PCD loans and leases at acquisition |  |  |  |  | 179 |  |
Allowance on PSLs at acquisition |  | 1 |  |  | 482 |  |
Balance, end of period |  | 2,918 | [1] | 2,412 | 2,918 | [1] | 2,412
Net charge-offs (recoveries) |  | 135 |  | 139 | 279 |  | 276
Comerica Incorporated |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |  |  |
Allowance on PCD loans and leases at acquisition | $ 179 |  |  |  |  |  |
Net charge-offs (recoveries) |  |  |  |  | 111 |  |
Other Consumer Loans, Point of Sale |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |  |  |
Losses charged off |  | (3) |  | (5) | (7) |  | (10)
Recoveries of losses previously charged off |  | 3 |  | 5 | 7 |  | 10
Commercial |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |  |  |
Balance, beginning of period |  | 1,820 |  | 1,241 | 1,186 |  | 1,154
Losses charged off |  | (73) |  | (90) | (151) |  | (156)
Recoveries of losses previously charged off |  | 9 |  | 19 | 18 |  | 20
Provision for (benefit from) loan and lease losses |  | 32 |  | 123 | 92 |  | 275
Allowance on PCD loans and leases at acquisition |  | 0 |  |  | 177 |  |
Allowance on PSLs at acquisition |  | 0 |  |  | 466 |  |
Balance, end of period |  | 1,788 |  | 1,293 | 1,788 |  | 1,293
Residential Mortgage |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |  |  |
Balance, beginning of period |  | 108 |  | 139 | 109 |  | 146
Losses charged off |  | (1) |  | 0 | (1) |  | (1)
Recoveries of losses previously charged off |  | 1 |  | 1 | 1 |  | 2
Provision for (benefit from) loan and lease losses |  | (5) |  | (6) | (12) |  | (13)
Allowance on PCD loans and leases at acquisition |  | (1) |  |  |  |  |
Allowance on PCD loans and leases at acquisition |  |  |  |  | 1 |  |
Allowance on PSLs at acquisition |  | 1 |  |  | 5 |  |
Balance, end of period |  | 103 |  | 134 | 103 |  | 134
Consumer |  |  |  |  |  |  |
Financing Receivable, Allowance for Credit Loss [Roll Forward] |  |  |  |  |  |  |
Balance, beginning of period |  | 994 |  | 1,004 | 958 |  | 1,052
Losses charged off |  | (107) |  | (104) | (216) |  | (209)
Recoveries of losses previously charged off |  | 36 |  | 35 | 70 |  | 68
Provision for (benefit from) loan and lease losses |  | 104 |  | 50 | 203 |  | 74
Allowance on PCD loans and leases at acquisition |  | 0 |  |  | 1 |  |
Allowance on PSLs at acquisition |  | 0 |  |  | 11 |  |
Balance, end of period |  | $ 1,027 |  | $ 985 | $ 1,027 |  | $ 985
[1] | Includes $33 and $38 of other short-term investments, $384 and $554 of portfolio loans and leases, $(7) and $(9) of ALLL, $2 and $3 of other assets, $10 and $11 of other liabilities and $312 and $473 of long-term debt from consolidated VIEs that are included in their respective captions above at June 30, 2026 and December 31, 2025, respectively. For further information, refer to Note 10.

X
- Definition Financing Receivable, Excluding Accrued Interest, Purchased Seasoned Loans, Allowance For Credit Loss At Acquisition Date + References No definition available. + Details
Name: | fitb_FinancingReceivableExcludingAccruedInterestPurchasedSeasonedLoansAllowanceForCreditLossAtAcquisitionDate
Namespace Prefix: | fitb_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Financing Receivable, Excluding Accrued Interest, Purchased with Credit Deterioration, Allowance for Credit Loss at Acquisition Date, Net + References No definition available. + Details
Name: | fitb_FinancingReceivableExcludingAccruedInterestPurchasedWithCreditDeteriorationAllowanceForCreditLossAtAcquisitionDateNet
Namespace Prefix: | fitb_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount excluding accrued interest, of allowance for credit loss on financing receivable. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147477657/942-210-S45-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147478478/942-210-S50-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(7)(2)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1 Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479344/326-20-45-1 + Details
Name: | us-gaap_FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
Name: | us-gaap_FinancingReceivableAllowanceForCreditLossesRollForward
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount, excluding accrued interest, of increase in allowance for credit loss on financing receivable from recovery. 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 13 -Subparagraph (e) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-13 + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossRecovery
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount, excluding accrued interest, of decrease in allowance for credit loss on financing receivable from writeoff. 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 13 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-13 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-6 + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoff
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount, excluding accrued interest, of decrease (increase) in allowance for credit loss on financing receivable from writeoff (recovery). Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-13 + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoffAfterRecovery
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount, excluding accrued interest, of credit loss expense (reversal of expense) on financing receivable. 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 13 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-13 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 220 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 22 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147476148/220-40-50-22 + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestCreditLossExpenseReversal
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount, excluding accrued interest, of allowance for credit loss at acquisition date of financing receivable purchased with credit deterioration. 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 13 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-13 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 19 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-19 + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestPurchasedWithCreditDeteriorationAllowanceForCreditLossAtAcquisitionDate
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=fitb_ComericaIncorporatedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=fitb_OtherConsumerLoansPointOfSaleMember
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_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: |