$FITB
FIFTH THIRD BANCORP Stock $fitb

$fitb Overview Financials Valuation SEC Filings Company Website

2024 Q1 Form 10-K Financial Statement

#000003552724000088 Filed on February 27, 2024

Income Statement

Concept	2024 Q1	2023 Q4	2023
Revenue	$151.0M		$577.0M
YoY Change	10.22%		-2.04%
Cost Of Revenue
YoY Change
Gross Profit
YoY Change
Gross Profit Margin
Selling, General & Admin
YoY Change
% of Gross Profit
Research & Development	$117.0M		$464.0M
YoY Change	-0.85%		11.54%
% of Gross Profit
Depreciation & Amortization	$23.00M	$115.0M	$110.0M
YoY Change	-25.81%	2.68%	-9.09%
% of Gross Profit
Operating Expenses	$117.0M		$464.0M
YoY Change	-0.85%		11.54%
Operating Profit
YoY Change
Interest Expense	$1.224B		$3.933B
YoY Change	75.86%		302.15%
% of Operating Profit
Other Income/Expense, Net			$184.0M
YoY Change			-37.63%
Pretax Income	$658.0M	$650.0M	$2.988B
YoY Change	-8.36%	-28.88%	-3.39%
Income Tax	$138.0M	$120.0M	$639.0M
% Of Pretax Income	20.97%	18.46%	21.39%
Net Earnings	$480.0M	$492.0M	$2.212B
YoY Change	-10.28%	-29.61%	-5.06%
Net Earnings / Revenue	317.88%		383.36%
Basic Earnings Per Share	$0.70		$3.23
Diluted Earnings Per Share	$0.70	$0.72	$3.22
COMMON SHARES
Basic Shares Outstanding	681.2M shares	681.0M shares	684.0M shares
Diluted Shares Outstanding	691.0M shares		688.0M shares

Balance Sheet

Concept	2024 Q1	2023 Q4	2023
SHORT-TERM ASSETS
Cash & Short-Term Investments
YoY Change
Cash & Equivalents	$2.796B	$3.142B
Short-Term Investments
Other Short-Term Assets
YoY Change
Inventory
Prepaid Expenses
Receivables
Other Receivables
Total Short-Term Assets
YoY Change
LONG-TERM ASSETS
Property, Plant & Equipment	$2.376B	$2.349B	$2.349B
YoY Change	7.08%	7.41%	7.41%
Goodwill	$4.918B	$4.919B
YoY Change	0.06%	0.08%
Intangibles	$115.0M	$125.0M
YoY Change	-26.75%	-26.04%
Long-Term Investments
YoY Change
Other Assets			$1.438B
YoY Change
Total Long-Term Assets
YoY Change
TOTAL ASSETS
Total Short-Term Assets
Total Long-Term Assets
Total Assets	$214.5B	$214.6B	$214.6B
YoY Change	2.8%	3.43%	3.43%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable
YoY Change
Accrued Expenses	$596.0M	$601.0M	$601.0M
YoY Change	2.41%	0.33%	0.33%
Deferred Revenue
YoY Change
Short-Term Debt	$3.113B	$3.054B	$3.054B
YoY Change	484.05%	-39.14%	-39.14%
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$5.078B	$5.249B	$5.249B
YoY Change	140.66%	188.09%	188.09%
LONG-TERM LIABILITIES
Long-Term Debt	$15.44B	$16.38B	$16.38B
YoY Change	19.79%	19.44%	19.44%
Other Long-Term Liabilities	$5.379B	$4.861B	$4.861B
YoY Change	-2.47%	-17.34%	-17.34%
Total Long-Term Liabilities	$20.82B	$21.24B	$21.24B
YoY Change	13.12%	8.4%	8.4%
TOTAL LIABILITIES
Total Short-Term Liabilities	$5.078B	$5.249B	$5.249B
Total Long-Term Liabilities	$20.82B	$21.24B	$21.24B
Total Liabilities	$195.5B	$195.4B	$195.4B
YoY Change	2.73%	2.78%	2.78%
SHAREHOLDERS EQUITY
Retained Earnings	$23.22B	$23.00B
YoY Change	5.41%	6.03%
Common Stock	$2.051B	$2.051B
YoY Change		0.0%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$7.227B	$7.262B
YoY Change	-0.62%	2.24%
Treasury Stock Shares
Shareholders Equity	$19.02B	$19.17B	$19.17B
YoY Change
Total Liabilities & Shareholders Equity	$214.5B	$214.6B	$214.6B
YoY Change	2.8%	3.43%	3.43%

Cashflow Statement

Concept	2024 Q1	2023 Q4	2023
OPERATING ACTIVITIES
Net Income	$480.0M	$492.0M	$2.212B
YoY Change	-10.28%	-29.61%	-5.06%
Depreciation, Depletion And Amortization	$23.00M	$115.0M	$110.0M
YoY Change	-25.81%	2.68%	-9.09%
Cash From Operating Activities	$386.0M	$2.072B	$4.509B
YoY Change	-70.78%	-0.05%	-29.85%
INVESTING ACTIVITIES
Capital Expenditures	$65.00M	$126.0M	$491.0M
YoY Change	-42.48%	11.5%	41.09%
Acquisitions
YoY Change
Other Investing Activities	-$164.0M	-$707.0M	-$8.972B
YoY Change	-92.66%	-80.69%	108.17%
Cash From Investing Activities	-$229.0M	-$833.0M	-$9.488B
YoY Change	-90.31%	-77.93%	94.79%
FINANCING ACTIVITIES
Cash Dividend Paid	$287.0M		$1.060B
YoY Change	-2.38%		14.35%
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net	$2.400B		$1.657B
YoY Change	161.72%		-5.96%
Cash From Financing Activities	-$503.0M	-934.0M	$4.655B
YoY Change	-241.29%	-144.5%	-529.03%
NET CHANGE
Cash From Operating Activities	$386.0M	2.072B	$4.509B
Cash From Investing Activities	-$229.0M	-833.0M	-$9.488B
Cash From Financing Activities	-$503.0M	-934.0M	$4.655B
Net Change In Cash	-$346.0M	305.0M	-$324.0M
YoY Change	-49.56%	-23.37%	-168.64%
FREE CASH FLOW
Cash From Operating Activities	$386.0M	$2.072B	$4.509B
Capital Expenditures	$65.00M	$126.0M	$491.0M
Free Cash Flow	$321.0M	$1.946B	$4.018B
YoY Change	-73.43%	-0.71%	-33.91%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
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CY2021	us-gaap	Interest Expense InterestExpense	441000000	usd
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CY2022	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation And Exercise Of Stock Options AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationAndExerciseOfStockOptions	81000000	usd
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CY2023	dei	Entity Registrant Name EntityRegistrantName	FIFTH THIRD BANCORP
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CY2023	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2023	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2023	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2023	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2023	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2023	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
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CY2023	dei	Auditor Location AuditorLocation	Cincinnati, Ohio
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CY2022	us-gaap	Other Interest And Dividend Income OtherInterestAndDividendIncome	116000000	usd
CY2021	us-gaap	Other Interest And Dividend Income OtherInterestAndDividendIncome	42000000	usd
CY2023	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	9760000000	usd
CY2022	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	6587000000	usd
CY2021	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	5211000000	usd
CY2022	us-gaap	Interest Expense Deposits InterestExpenseDeposits	447000000	usd
CY2021	us-gaap	Interest Expense Deposits InterestExpenseDeposits	59000000	usd
CY2021	us-gaap	Interest Expense Federal Funds Purchased InterestExpenseFederalFundsPurchased	0	usd
CY2023	us-gaap	Interest Expense InterestExpense	3933000000	usd
CY2023	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	5827000000	usd
CY2022	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	5609000000	usd
CY2023	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	515000000	usd
CY2022	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	563000000	usd
CY2021	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	-377000000	usd
CY2023	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	5312000000	usd
CY2022	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	5046000000	usd
CY2021	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	5147000000	usd
CY2023	fitb	Commercial Banking Revenue CommercialBankingRevenue	624000000	usd
CY2022	fitb	Commercial Banking Revenue CommercialBankingRevenue	565000000	usd
CY2021	fitb	Commercial Banking Revenue CommercialBankingRevenue	637000000	usd
CY2023	us-gaap	Investment Banking Advisory Brokerage And Underwriting Fees And Commissions InvestmentBankingAdvisoryBrokerageAndUnderwritingFeesAndCommissions	581000000	usd
CY2022	us-gaap	Investment Banking Advisory Brokerage And Underwriting Fees And Commissions InvestmentBankingAdvisoryBrokerageAndUnderwritingFeesAndCommissions	570000000	usd
CY2023	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	577000000	usd
CY2022	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	589000000	usd
CY2021	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	600000000	usd
CY2023	fitb	Card And Processing Revenue CardAndProcessingRevenue	416000000	usd
CY2022	fitb	Card And Processing Revenue CardAndProcessingRevenue	409000000	usd
CY2021	fitb	Card And Processing Revenue CardAndProcessingRevenue	402000000	usd
CY2023	us-gaap	Fees And Commissions Mortgage Banking And Servicing FeesAndCommissionsMortgageBankingAndServicing	250000000	usd
CY2022	us-gaap	Fees And Commissions Mortgage Banking And Servicing FeesAndCommissionsMortgageBankingAndServicing	215000000	usd
CY2021	us-gaap	Fees And Commissions Mortgage Banking And Servicing FeesAndCommissionsMortgageBankingAndServicing	270000000	usd
CY2023	us-gaap	Lease Income LeaseIncome	208000000	usd
CY2022	us-gaap	Lease Income LeaseIncome	237000000	usd
CY2021	us-gaap	Lease Income LeaseIncome	300000000	usd
CY2023	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	207000000	usd
CY2022	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	265000000	usd
CY2021	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	332000000	usd
CY2023	us-gaap	Debt And Equity Securities Gain Loss DebtAndEquitySecuritiesGainLoss	18000000	usd
CY2022	us-gaap	Debt And Equity Securities Gain Loss DebtAndEquitySecuritiesGainLoss	-82000000	usd
CY2021	us-gaap	Debt And Equity Securities Gain Loss DebtAndEquitySecuritiesGainLoss	-7000000	usd
CY2023	us-gaap	Debt Securities Trading Gain Loss DebtSecuritiesTradingGainLoss	0	usd
CY2022	us-gaap	Debt Securities Trading Gain Loss DebtSecuritiesTradingGainLoss	-2000000	usd
CY2021	us-gaap	Debt Securities Trading Gain Loss DebtSecuritiesTradingGainLoss	-2000000	usd
CY2023	us-gaap	Noninterest Income NoninterestIncome	2881000000	usd
CY2022	us-gaap	Noninterest Income NoninterestIncome	2766000000	usd
CY2021	us-gaap	Noninterest Income NoninterestIncome	3118000000	usd
CY2023	us-gaap	Labor And Related Expense LaborAndRelatedExpense	2694000000	usd
CY2022	us-gaap	Labor And Related Expense LaborAndRelatedExpense	2554000000	usd
CY2021	us-gaap	Labor And Related Expense LaborAndRelatedExpense	2626000000	usd
CY2023	us-gaap	Communications And Information Technology CommunicationsAndInformationTechnology	464000000	usd
CY2022	us-gaap	Communications And Information Technology CommunicationsAndInformationTechnology	416000000	usd
CY2021	us-gaap	Communications And Information Technology CommunicationsAndInformationTechnology	388000000	usd
CY2023	us-gaap	Occupancy Net OccupancyNet	331000000	usd
CY2022	us-gaap	Occupancy Net OccupancyNet	307000000	usd
CY2021	us-gaap	Occupancy Net OccupancyNet	312000000	usd
CY2023	us-gaap	Equipment Expense EquipmentExpense	148000000	usd
CY2022	us-gaap	Equipment Expense EquipmentExpense	145000000	usd
CY2021	us-gaap	Equipment Expense EquipmentExpense	138000000	usd
CY2023	us-gaap	Marketing Expense MarketingExpense	126000000	usd
CY2022	us-gaap	Marketing Expense MarketingExpense	118000000	usd
CY2021	us-gaap	Marketing Expense MarketingExpense	107000000	usd
CY2023	us-gaap	Operating Lease Expense OperatingLeaseExpense	121000000	usd
CY2022	us-gaap	Operating Lease Expense OperatingLeaseExpense	131000000	usd
CY2021	us-gaap	Operating Lease Expense OperatingLeaseExpense	137000000	usd
CY2023	fitb	Card And Processing Expense CardAndProcessingExpense	84000000	usd
CY2022	fitb	Card And Processing Expense CardAndProcessingExpense	80000000	usd
CY2021	fitb	Card And Processing Expense CardAndProcessingExpense	89000000	usd
CY2023	us-gaap	Other Noninterest Expense OtherNoninterestExpense	1237000000	usd
CY2022	us-gaap	Other Noninterest Expense OtherNoninterestExpense	968000000	usd
CY2021	us-gaap	Other Noninterest Expense OtherNoninterestExpense	951000000	usd
CY2023	us-gaap	Noninterest Expense NoninterestExpense	5205000000	usd
CY2022	us-gaap	Noninterest Expense NoninterestExpense	4719000000	usd
CY2021	us-gaap	Noninterest Expense NoninterestExpense	4748000000	usd
CY2023	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	2988000000	usd
CY2022	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	3093000000	usd
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	3517000000	usd
CY2023	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	639000000	usd
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	647000000	usd
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	747000000	usd
CY2023	us-gaap	Net Income Loss NetIncomeLoss	2349000000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	2446000000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	2770000000	usd
CY2023	us-gaap	Dividends Preferred Stock DividendsPreferredStock	137000000	usd
CY2022	us-gaap	Dividends Preferred Stock DividendsPreferredStock	116000000	usd
CY2021	us-gaap	Dividends Preferred Stock DividendsPreferredStock	111000000	usd
CY2023	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	2212000000	usd
CY2022	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	2330000000	usd
CY2021	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	2659000000	usd
CY2023	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.23
CY2022	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.38
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.78
CY2023	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.22
CY2022	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.35
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.73
CY2023	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	684172079	shares
CY2022	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	688633659	shares
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	702188552	shares
CY2023	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	687678291	shares
CY2022	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	694952038	shares
CY2021	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	711197805	shares
CY2023	us-gaap	Net Income Loss NetIncomeLoss	2349000000	usd
CY2023	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	494000000	usd
CY2022	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-5478000000	usd
CY2021	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-1043000000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	-1000000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	2000000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	-3000000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax	-131000000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax	-774000000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax	-142000000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax	-257000000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax	77000000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax	223000000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Reclassification Adjustments Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsNetOfTax	1000000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Reclassification Adjustments Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsNetOfTax	-9000000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Reclassification Adjustments Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsNetOfTax	-4000000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansNetOfTax	3000000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansNetOfTax	5000000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansNetOfTax	7000000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	623000000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-6317000000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-1394000000	usd
CY2023	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	2972000000	usd
CY2022	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	-3871000000	usd
CY2021	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	1376000000	usd
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	23111000000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-1394000000	usd
CY2021	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.14
CY2021	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	805000000	usd
CY2021	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	1393000000	usd
CY2021	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation And Exercise Of Stock Options AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationAndExerciseOfStockOptions	33000000	usd
CY2021	us-gaap	Stockholders Equity Other StockholdersEquityOther	1000000	usd
CY2021Q4	us-gaap	Stockholders Equity StockholdersEquity	22210000000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	2446000000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-6317000000	usd
CY2022	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.26
CY2022	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	877000000	usd
CY2022	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	100000000	usd
CY2022Q4	us-gaap	Stockholders Equity StockholdersEquity	17327000000	usd
CY2022Q4	us-gaap	Stockholders Equity StockholdersEquity	17327000000	usd
CY2023	us-gaap	Net Income Loss NetIncomeLoss	2349000000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	623000000	usd
CY2023	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.36
CY2023	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	941000000	usd
CY2023	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	201000000	usd
CY2023	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation And Exercise Of Stock Options AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationAndExerciseOfStockOptions	115000000	usd
CY2023Q4	us-gaap	Stockholders Equity StockholdersEquity	19172000000	usd
CY2023	us-gaap	Net Income Loss NetIncomeLoss	2349000000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	2446000000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	2770000000	usd
CY2023	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	515000000	usd
CY2022	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	563000000	usd
CY2021	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	-377000000	usd
CY2023	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	462000000	usd
CY2022	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	436000000	usd
CY2021	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	349000000	usd
CY2023	us-gaap	Share Based Compensation ShareBasedCompensation	169000000	usd
CY2022	us-gaap	Share Based Compensation ShareBasedCompensation	165000000	usd
CY2021	us-gaap	Share Based Compensation ShareBasedCompensation	120000000	usd
CY2023	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-106000000	usd
CY2022	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-60000000	usd
CY2021	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-14000000	usd
CY2023	us-gaap	Gain Loss On Investments GainLossOnInvestments	31000000	usd
CY2022	us-gaap	Gain Loss On Investments GainLossOnInvestments	-84000000	usd
CY2021	us-gaap	Gain Loss On Investments GainLossOnInvestments	-16000000	usd
CY2023	fitb	Msr Fair Value Adjustment MsrFairValueAdjustment	105000000	usd
CY2022	fitb	Msr Fair Value Adjustment MsrFairValueAdjustment	-177000000	usd
CY2021	fitb	Msr Fair Value Adjustment MsrFairValueAdjustment	139000000	usd
CY2023	fitb	Gain Loss On Sale And Fair Value Adjustment On Loans And Leases GainLossOnSaleAndFairValueAdjustmentOnLoansAndLeases	27000000	usd
CY2022	fitb	Gain Loss On Sale And Fair Value Adjustment On Loans And Leases GainLossOnSaleAndFairValueAdjustmentOnLoansAndLeases	126000000	usd
CY2021	fitb	Gain Loss On Sale And Fair Value Adjustment On Loans And Leases GainLossOnSaleAndFairValueAdjustmentOnLoansAndLeases	335000000	usd
CY2023	us-gaap	Gain Loss On Sales Of Assets And Asset Impairment Charges GainLossOnSalesOfAssetsAndAssetImpairmentCharges	7000000	usd
CY2022	us-gaap	Gain Loss On Sales Of Assets And Asset Impairment Charges GainLossOnSalesOfAssetsAndAssetImpairmentCharges	1000000	usd
CY2021	us-gaap	Gain Loss On Sales Of Assets And Asset Impairment Charges GainLossOnSalesOfAssetsAndAssetImpairmentCharges	-10000000	usd
CY2023	fitb	Gain Loss On Sales Of Hsa Deposit Portfolio GainLossOnSalesOfHSADepositPortfolio	0	usd
CY2022	fitb	Gain Loss On Sales Of Hsa Deposit Portfolio GainLossOnSalesOfHSADepositPortfolio	0	usd
CY2021	fitb	Gain Loss On Sales Of Hsa Deposit Portfolio GainLossOnSalesOfHSADepositPortfolio	60000000	usd
CY2023	fitb	Taxable Receivable Agreement Payment TaxableReceivableAgreementPayment	22000000	usd
CY2022	fitb	Taxable Receivable Agreement Payment TaxableReceivableAgreementPayment	46000000	usd
CY2021	fitb	Taxable Receivable Agreement Payment TaxableReceivableAgreementPayment	46000000	usd
CY2023	us-gaap	Proceeds From Sale Of Loans Held For Sale ProceedsFromSaleOfLoansHeldForSale	4938000000	usd
CY2022	us-gaap	Proceeds From Sale Of Loans Held For Sale ProceedsFromSaleOfLoansHeldForSale	13123000000	usd
CY2021	us-gaap	Proceeds From Sale Of Loans Held For Sale ProceedsFromSaleOfLoansHeldForSale	17204000000	usd
CY2023	us-gaap	Payments For Origination And Purchases Of Loans Held For Sale PaymentsForOriginationAndPurchasesOfLoansHeldForSale	4242000000	usd
CY2022	us-gaap	Payments For Origination And Purchases Of Loans Held For Sale PaymentsForOriginationAndPurchasesOfLoansHeldForSale	10239000000	usd
CY2021	us-gaap	Payments For Origination And Purchases Of Loans Held For Sale PaymentsForOriginationAndPurchasesOfLoansHeldForSale	16888000000	usd
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CY2022	us-gaap	Equity Method Investment Dividends Or Distributions EquityMethodInvestmentDividendsOrDistributions	50000000	usd
CY2021	us-gaap	Equity Method Investment Dividends Or Distributions EquityMethodInvestmentDividendsOrDistributions	55000000	usd
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CY2021	us-gaap	Increase Decrease In Trading Securities IncreaseDecreaseInTradingSecurities	-15000000	usd
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CY2023	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	4509000000	usd
CY2022	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	6428000000	usd
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CY2022	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	4359000000	usd
CY2021	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	3125000000	usd
CY2023	us-gaap	Proceeds From Sale Of Loans Held For Investment ProceedsFromSaleOfLoansHeldForInvestment	444000000	usd
CY2022	us-gaap	Proceeds From Sale Of Loans Held For Investment ProceedsFromSaleOfLoansHeldForInvestment	155000000	usd
CY2021	us-gaap	Proceeds From Sale Of Loans Held For Investment ProceedsFromSaleOfLoansHeldForInvestment	718000000	usd
CY2023	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	7000000	usd
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CY2023	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	4235000000	usd
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CY2022	us-gaap	Payments To Acquire Investments PaymentsToAcquireInvestments	29714000000	usd
CY2021	us-gaap	Payments To Acquire Investments PaymentsToAcquireInvestments	11713000000	usd
CY2023	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	491000000	usd
CY2022	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	348000000	usd
CY2021	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	309000000	usd
CY2023	us-gaap	Payments To Acquire Mortgage Servicing Rights Msr PaymentsToAcquireMortgageServicingRightsMSR	25000000	usd
CY2022	us-gaap	Payments To Acquire Mortgage Servicing Rights Msr PaymentsToAcquireMortgageServicingRightsMSR	213000000	usd
CY2021	us-gaap	Payments To Acquire Mortgage Servicing Rights Msr PaymentsToAcquireMortgageServicingRightsMSR	381000000	usd
CY2023	us-gaap	Proceeds From Life Insurance Policies ProceedsFromLifeInsurancePolicies	14000000	usd
CY2022	us-gaap	Proceeds From Life Insurance Policies ProceedsFromLifeInsurancePolicies	49000000	usd
CY2021	us-gaap	Proceeds From Life Insurance Policies ProceedsFromLifeInsurancePolicies	24000000	usd
CY2023	us-gaap	Proceeds From Equity Method Investment Dividends Or Distributions Return Of Capital ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital	69000000	usd
CY2022	us-gaap	Proceeds From Equity Method Investment Dividends Or Distributions Return Of Capital ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital	87000000	usd
CY2023	us-gaap	Payments To Acquire Businesses Gross PaymentsToAcquireBusinessesGross	0	usd
CY2022	us-gaap	Payments To Acquire Businesses Gross PaymentsToAcquireBusinessesGross	917000000	usd
CY2021	us-gaap	Proceeds From Equity Method Investment Dividends Or Distributions Return Of Capital ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital	63000000	usd
CY2023	us-gaap	Proceeds From Divestiture Of Businesses ProceedsFromDivestitureOfBusinesses	0	usd
CY2022	us-gaap	Proceeds From Divestiture Of Businesses ProceedsFromDivestitureOfBusinesses	66000000	usd
CY2021	us-gaap	Proceeds From Divestiture Of Businesses ProceedsFromDivestitureOfBusinesses	0	usd
CY2021	us-gaap	Payments To Acquire Businesses Gross PaymentsToAcquireBusinessesGross	297000000	usd
CY2023	fitb	Payments On Sale Of Hsa Deposit Portfolio PaymentsOnSaleOfHSADepositPortfolio	0	usd
CY2022	fitb	Payments On Sale Of Hsa Deposit Portfolio PaymentsOnSaleOfHSADepositPortfolio	0	usd
CY2021	fitb	Payments On Sale Of Hsa Deposit Portfolio PaymentsOnSaleOfHSADepositPortfolio	431000000	usd
CY2023	us-gaap	Payments For Proceeds From Short Term Investments PaymentsForProceedsFromShortTermInvestments	13731000000	usd
CY2022	us-gaap	Payments For Proceeds From Short Term Investments PaymentsForProceedsFromShortTermInvestments	-26224000000	usd
CY2021	us-gaap	Payments For Proceeds From Short Term Investments PaymentsForProceedsFromShortTermInvestments	1172000000	usd
CY2023	fitb	Payments For Proceeds From Portfolio Loans And Leases PaymentsForProceedsFromPortfolioLoansAndLeases	-3358000000	usd
CY2022	fitb	Payments For Proceeds From Portfolio Loans And Leases PaymentsForProceedsFromPortfolioLoansAndLeases	8992000000	usd
CY2021	fitb	Payments For Proceeds From Portfolio Loans And Leases PaymentsForProceedsFromPortfolioLoansAndLeases	3721000000	usd
CY2023	fitb	Proceeds From Payments For Operating Lease Equipment ProceedsFromPaymentsForOperatingLeaseEquipment	-63000000	usd
CY2022	fitb	Proceeds From Payments For Operating Lease Equipment ProceedsFromPaymentsForOperatingLeaseEquipment	124000000	usd
CY2021	fitb	Proceeds From Payments For Operating Lease Equipment ProceedsFromPaymentsForOperatingLeaseEquipment	-28000000	usd
CY2023	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-9488000000	usd
CY2022	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-4871000000	usd
CY2021	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-7968000000	usd
CY2023	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	5222000000	usd
CY2022	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	-5994000000	usd
CY2021	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	10734000000	usd
CY2023	fitb	Proceeds From Payments For Other Short Term Borrowings And Federal Funds Purchased ProceedsFromPaymentsForOtherShortTermBorrowingsAndFederalFundsPurchased	-1881000000	usd
CY2022	fitb	Proceeds From Payments For Other Short Term Borrowings And Federal Funds Purchased ProceedsFromPaymentsForOtherShortTermBorrowingsAndFederalFundsPurchased	3757000000	usd
CY2021	fitb	Proceeds From Payments For Other Short Term Borrowings And Federal Funds Purchased ProceedsFromPaymentsForOtherShortTermBorrowingsAndFederalFundsPurchased	-193000000	usd
CY2023	us-gaap	Payments Of Dividends PaymentsOfDividends	1060000000	usd
CY2022	us-gaap	Payments Of Dividends PaymentsOfDividends	927000000	usd
CY2021	us-gaap	Payments Of Dividends PaymentsOfDividends	897000000	usd
CY2023	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	4286000000	usd
CY2022	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	4026000000	usd
CY2021	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	562000000	usd
CY2023	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	1657000000	usd
CY2022	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	1762000000	usd
CY2021	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	3603000000	usd
CY2023	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	200000000	usd
CY2022	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	100000000	usd
CY2021	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	1393000000	usd
CY2023	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-55000000	usd
CY2022	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-85000000	usd
CY2021	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-99000000	usd
CY2023	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	4655000000	usd
CY2022	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-1085000000	usd
CY2021	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	5111000000	usd
CY2023	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-324000000	usd
CY2022	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	472000000	usd
CY2021	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-153000000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	3466000000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	3466000000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	2994000000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	2994000000	usd
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	3147000000	usd
CY2023Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	3142000000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	3466000000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	3466000000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	2994000000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	2994000000	usd
CY2023	us-gaap	Use Of Estimates UseOfEstimates	<div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9.5pt;font-style:italic;font-weight:700;line-height:120%">Use of Estimates</span></div><div style="text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9.5pt;font-weight:400;line-height:120%">The preparation of financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions that affect the amounts reported in the financial statements and accompanying notes. Actual results could differ from those estimates.</span></div>
CY2023	fitb	Expected Credit Loss Forecast Lifespan ExpectedCreditLossForecastLifespan	P3Y
CY2023	fitb	Expected Credit Losses Estimation Historical Lookback Period ExpectedCreditLossesEstimationHistoricalLookbackPeriod	P2Y
CY2023	fitb	Defined Benefit Plan Net Gain Loss In Excess Of Projected Benefit Obligation Percentage DefinedBenefitPlanNetGainLossInExcessOfProjectedBenefitObligationPercentage	0.10
CY2023	us-gaap	Interest Paid Net InterestPaidNet	3776000000	usd
CY2022	us-gaap	Interest Paid Net InterestPaidNet	869000000	usd
CY2021	us-gaap	Interest Paid Net InterestPaidNet	465000000	usd
CY2023	us-gaap	Income Taxes Paid IncomeTaxesPaid	655000000	usd
CY2022	us-gaap	Income Taxes Paid IncomeTaxesPaid	272000000	usd
CY2021	us-gaap	Income Taxes Paid IncomeTaxesPaid	607000000	usd
CY2023	us-gaap	Transfer Of Portfolio Loans And Leases To Held For Sale1 TransferOfPortfolioLoansAndLeasesToHeldForSale1	513000000	usd
CY2022	us-gaap	Transfer Of Portfolio Loans And Leases To Held For Sale1 TransferOfPortfolioLoansAndLeasesToHeldForSale1	105000000	usd
CY2021	us-gaap	Transfer Of Portfolio Loans And Leases To Held For Sale1 TransferOfPortfolioLoansAndLeasesToHeldForSale1	447000000	usd
CY2023	us-gaap	Transfer Of Loans Held For Sale To Portfolio Loans1 TransferOfLoansHeldForSaleToPortfolioLoans1	6000000	usd
CY2022	us-gaap	Transfer Of Loans Held For Sale To Portfolio Loans1 TransferOfLoansHeldForSaleToPortfolioLoans1	409000000	usd
CY2021	us-gaap	Transfer Of Loans Held For Sale To Portfolio Loans1 TransferOfLoansHeldForSaleToPortfolioLoans1	49000000	usd
CY2023	us-gaap	Transfer To Other Real Estate TransferToOtherRealEstate	12000000	usd
CY2022	us-gaap	Transfer To Other Real Estate TransferToOtherRealEstate	8000000	usd
CY2021	us-gaap	Transfer To Other Real Estate TransferToOtherRealEstate	8000000	usd
CY2023	fitb	Property And Equipment Transferred To Other Real Estate Owned PropertyAndEquipmentTransferredToOtherRealEstateOwned	30000000	usd
CY2022	fitb	Property And Equipment Transferred To Other Real Estate Owned PropertyAndEquipmentTransferredToOtherRealEstateOwned	24000000	usd
CY2021	fitb	Property And Equipment Transferred To Other Real Estate Owned PropertyAndEquipmentTransferredToOtherRealEstateOwned	21000000	usd
CY2023	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	72000000	usd
CY2022	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	152000000	usd
CY2021	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	66000000	usd
CY2023	fitb	Net Reductions Additions To Lease Liabilities Under Finance Leases NetReductionsAdditionsToLeaseLiabilitiesUnderFinanceLeases	-6000000	usd
CY2022	fitb	Net Reductions Additions To Lease Liabilities Under Finance Leases NetReductionsAdditionsToLeaseLiabilitiesUnderFinanceLeases	27000000	usd
CY2021	fitb	Net Reductions Additions To Lease Liabilities Under Finance Leases NetReductionsAdditionsToLeaseLiabilitiesUnderFinanceLeases	35000000	usd
CY2023	fitb	Dividend Received From Nonbank Companies And Related Subsidiaries DividendReceivedFromNonbankCompaniesAndRelatedSubsidiaries	1800000000	usd
CY2022	fitb	Dividend Received From Nonbank Companies And Related Subsidiaries DividendReceivedFromNonbankCompaniesAndRelatedSubsidiaries	0	usd
CY2023Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.35
CY2023Q4	us-gaap	Debt Securities Available For Sale Amortized Cost Excluding Accrued Interest After Allowance For Credit Loss DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLoss	55789000000	usd
CY2023Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	9000000	usd
CY2023Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	5379000000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Excluding Accrued Interest DebtSecuritiesAvailableForSaleExcludingAccruedInterest	50419000000	usd
CY2023Q4	us-gaap	Debt Securities Held To Maturity Excluding Accrued Interest After Allowance For Credit Loss DebtSecuritiesHeldToMaturityExcludingAccruedInterestAfterAllowanceForCreditLoss	2000000	usd
CY2023Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Gain HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	0	usd
CY2023Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	0	usd
CY2023Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	2000000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Amortized Cost Excluding Accrued Interest After Allowance For Credit Loss DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLoss	57530000000	usd
CY2022Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	19000000	usd
CY2022Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	6046000000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Excluding Accrued Interest DebtSecuritiesAvailableForSaleExcludingAccruedInterest	51503000000	usd
CY2022Q4	us-gaap	Debt Securities Held To Maturity Excluding Accrued Interest After Allowance For Credit Loss DebtSecuritiesHeldToMaturityExcludingAccruedInterestAfterAllowanceForCreditLoss	5000000	usd
CY2022Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Gain HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	0	usd
CY2022Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	0	usd
CY2022Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	5000000	usd
CY2023Q4	us-gaap	Trading Securities Debt TradingSecuritiesDebt	899000000	usd
CY2022Q4	us-gaap	Trading Securities Debt TradingSecuritiesDebt	414000000	usd
CY2023Q4	us-gaap	Equity Securities Fv Ni EquitySecuritiesFvNi	613000000	usd
CY2022Q4	us-gaap	Equity Securities Fv Ni EquitySecuritiesFvNi	317000000	usd
CY2023Q4	us-gaap	Accrued Investment Income Receivable AccruedInvestmentIncomeReceivable	146000000	usd
CY2022Q4	us-gaap	Accrued Investment Income Receivable AccruedInvestmentIncomeReceivable	131000000	usd
CY2023	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	34000000	usd
CY2022	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	16000000	usd
CY2021	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	34000000	usd
CY2023	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	30000000	usd
CY2022	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	13000000	usd
CY2021	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	19000000	usd
CY2023	us-gaap	Other Than Temporary Impairment Loss Debt Securities Portion Recognized In Earnings OtherThanTemporaryImpairmentLossDebtSecuritiesPortionRecognizedInEarnings	5000000	usd
CY2022	us-gaap	Other Than Temporary Impairment Loss Debt Securities Portion Recognized In Earnings OtherThanTemporaryImpairmentLossDebtSecuritiesPortionRecognizedInEarnings	1000000	usd
CY2021	us-gaap	Other Than Temporary Impairment Loss Debt Securities Portion Recognized In Earnings OtherThanTemporaryImpairmentLossDebtSecuritiesPortionRecognizedInEarnings	19000000	usd
CY2023	us-gaap	Debt Securities Available For Sale Gain Loss DebtSecuritiesAvailableForSaleGainLoss	-1000000	usd
CY2022	us-gaap	Debt Securities Available For Sale Gain Loss DebtSecuritiesAvailableForSaleGainLoss	2000000	usd
CY2021	us-gaap	Debt Securities Available For Sale Gain Loss DebtSecuritiesAvailableForSaleGainLoss	-4000000	usd
CY2023	us-gaap	Debt Securities Trading Realized Gain Loss DebtSecuritiesTradingRealizedGainLoss	0	usd
CY2022	us-gaap	Debt Securities Trading Realized Gain Loss DebtSecuritiesTradingRealizedGainLoss	-2000000	usd
CY2021	us-gaap	Debt Securities Trading Realized Gain Loss DebtSecuritiesTradingRealizedGainLoss	-2000000	usd
CY2022	us-gaap	Debt Securities Trading Unrealized Gain Loss DebtSecuritiesTradingUnrealizedGainLoss	11000000	usd
CY2021	us-gaap	Debt Securities Trading Unrealized Gain Loss DebtSecuritiesTradingUnrealizedGainLoss	-3000000	usd
CY2021	fitb	Total Trading Securities Gains Losses TotalTradingSecuritiesGainsLosses	-5000000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Restricted DebtSecuritiesAvailableForSaleRestricted	25200000000	usd
CY2023Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost	756000000	usd
CY2023Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	746000000	usd
CY2023Q4	us-gaap	Debt Securities Held To Maturity Amortized Cost Excluding Accrued Interest After Allowance For Credit Loss Maturity Allocated And Single Maturity Date Year One DebtSecuritiesHeldToMaturityAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLossMaturityAllocatedAndSingleMaturityDateYearOne	0	usd
CY2023Q4	us-gaap	Held To Maturity Securities Debt Maturities Within One Year Fair Value HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearFairValue	0	usd
CY2023Q4	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost	18493000000	usd
CY2023Q4	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	17429000000	usd
CY2023Q4	us-gaap	Debt Securities Held To Maturity Amortized Cost Excluding Accrued Interest After Allowance For Credit Loss Maturity Allocated And Single Maturity Date After Year One Through Five DebtSecuritiesHeldToMaturityAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLossMaturityAllocatedAndSingleMaturityDateAfterYearOneThroughFive	0	usd
CY2023Q4	us-gaap	Held To Maturity Securities Debt Maturities After One Through Five Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	0	usd
CY2023Q4	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost	26194000000	usd
CY2023Q4	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	23165000000	usd
CY2023Q4	us-gaap	Debt Securities Held To Maturity Amortized Cost Excluding Accrued Interest After Allowance For Credit Loss Maturity Allocated And Single Maturity Date After Year5 Through10 DebtSecuritiesHeldToMaturityAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLossMaturityAllocatedAndSingleMaturityDateAfterYear5Through10	0	usd
CY2023Q4	us-gaap	Held To Maturity Securities Debt Maturities After Five Through Ten Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	0	usd
CY2023Q4	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost	9624000000	usd
CY2023Q4	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue	8357000000	usd
CY2023Q4	us-gaap	Debt Securities Held To Maturity Amortized Cost Excluding Accrued Interest After Allowance For Credit Loss Maturity Allocated And Single Maturity Date After Year10 DebtSecuritiesHeldToMaturityAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLossMaturityAllocatedAndSingleMaturityDateAfterYear10	2000000	usd
CY2023Q4	us-gaap	Held To Maturity Securities Debt Maturities After Ten Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsFairValue	2000000	usd
CY2023Q4	us-gaap	Available For Sale Securities Debt Maturities Without Single Maturity Date Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateAmortizedCost	722000000	usd
CY2023Q4	us-gaap	Available For Sale Securities Debt Maturities Without Single Maturity Date Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue	722000000	usd
CY2023Q4	us-gaap	Debt Securities Held To Maturity Amortized Cost Excluding Accrued Interest After Allowance For Credit Loss Maturity Without Single Maturity Date DebtSecuritiesHeldToMaturityAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLossMaturityWithoutSingleMaturityDate	0	usd
CY2023Q4	us-gaap	Held To Maturity Securities Debt Maturities Without Single Maturity Date Fair Value HeldToMaturitySecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue	0	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Amortized Cost Excluding Accrued Interest After Allowance For Credit Loss DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLoss	55789000000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Excluding Accrued Interest DebtSecuritiesAvailableForSaleExcludingAccruedInterest	50419000000	usd
CY2023Q4	us-gaap	Debt Securities Held To Maturity Excluding Accrued Interest After Allowance For Credit Loss DebtSecuritiesHeldToMaturityExcludingAccruedInterestAfterAllowanceForCreditLoss	2000000	usd
CY2023Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	2000000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	7990000000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	580000000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	40782000000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	4799000000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	48772000000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	5379000000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	41346000000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	4295000000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	8190000000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	1751000000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	49536000000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	6046000000	usd
CY2023Q4	us-gaap	Loans Receivable Held For Sale Amount LoansReceivableHeldForSaleAmount	378000000	usd
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss	117234000000	usd
CY2022Q4	us-gaap	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss	121480000000	usd
CY2023Q4	us-gaap	Deferred Credits And Other Liabilities DeferredCreditsAndOtherLiabilities	272000000	usd
CY2022Q4	us-gaap	Deferred Credits And Other Liabilities DeferredCreditsAndOtherLiabilities	238000000	usd
CY2023Q4	us-gaap	Financing Receivable Unamortized Loan Commitment Origination Fee And Premium Discount FinancingReceivableUnamortizedLoanCommitmentOriginationFeeAndPremiumDiscount	-395000000	usd
CY2022Q4	us-gaap	Financing Receivable Unamortized Loan Commitment Origination Fee And Premium Discount FinancingReceivableUnamortizedLoanCommitmentOriginationFeeAndPremiumDiscount	146000000	usd
CY2023Q4	us-gaap	Interest Receivable InterestReceivable	593000000	usd
CY2023Q4	us-gaap	Principal Amount Outstanding On Loans Managed And Securitized PrincipalAmountOutstandingOnLoansManagedAndSecuritized	117612000000	usd
CY2022Q4	us-gaap	Principal Amount Outstanding On Loans Managed And Securitized PrincipalAmountOutstandingOnLoansManagedAndSecuritized	122487000000	usd
CY2023Q4	us-gaap	Delinquent Amount At End Of Period On Loans Managed And Securitized DelinquentAmountAtEndOfPeriodOnLoansManagedAndSecuritized	36000000	usd
CY2022Q4	us-gaap	Delinquent Amount At End Of Period On Loans Managed And Securitized DelinquentAmountAtEndOfPeriodOnLoansManagedAndSecuritized	40000000	usd
CY2023	us-gaap	Financing Receivable Excluding Accrued Interest Allowance For Credit Loss Writeoff After Recovery FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoffAfterRecovery	388000000	usd
CY2022	us-gaap	Financing Receivable Excluding Accrued Interest Allowance For Credit Loss Writeoff After Recovery FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoffAfterRecovery	227000000	usd
CY2023Q4	us-gaap	Loans Receivable Held For Sale Amount LoansReceivableHeldForSaleAmount	378000000	usd
CY2022Q4	us-gaap	Loans Receivable Held For Sale Amount LoansReceivableHeldForSaleAmount	1007000000	usd
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss	117234000000	usd
CY2022Q4	us-gaap	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss	121480000000	usd
CY2023	us-gaap	Direct Financing Lease Lease Income DirectFinancingLeaseLeaseIncome	26000000	usd
CY2022	us-gaap	Direct Financing Lease Lease Income DirectFinancingLeaseLeaseIncome	29000000	usd
CY2021	us-gaap	Direct Financing Lease Lease Income DirectFinancingLeaseLeaseIncome	42000000	usd
CY2023	us-gaap	Sales Type Lease Lease Income SalesTypeLeaseLeaseIncome	63000000	usd
CY2022Q4	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	2194000000	usd
CY2023	us-gaap	Financing Receivable Excluding Accrued Interest Allowance For Credit Loss Writeoff FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoff	522000000	usd
CY2023	us-gaap	Financing Receivable Excluding Accrued Interest Allowance For Credit Loss Recovery FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossRecovery	134000000	usd
CY2023	us-gaap	Financing Receivable Excluding Accrued Interest Credit Loss Expense Reversal FinancingReceivableExcludingAccruedInterestCreditLossExpenseReversal	565000000	usd
CY2023Q4	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	2322000000	usd
CY2023Q4	us-gaap	Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1 FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1	96000000	usd
CY2023Q4	us-gaap	Financing Receivable Allowance For Credit Losses Collectively Evaluated For Impairment FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment	2226000000	usd
CY2023Q4	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	2322000000	usd
CY2023Q4	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	476000000	usd
CY2023Q4	us-gaap	Financing Receivable Collectively Evaluated For Impairment FinancingReceivableCollectivelyEvaluatedForImpairment	116642000000	usd
CY2023Q4	fitb	Financing Receivable Excluding Residential Mortgage Loans Measured At Fair Value FinancingReceivableExcludingResidentialMortgageLoansMeasuredAtFairValue	117118000000	usd
CY2022Q4	us-gaap	Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1 FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1	122000000	usd
CY2022Q4	us-gaap	Financing Receivable Allowance For Credit Losses Collectively Evaluated For Impairment FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment	2072000000	usd
CY2022Q4	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	2194000000	usd
CY2022Q4	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	1388000000	usd
CY2022Q4	us-gaap	Financing Receivable Collectively Evaluated For Impairment FinancingReceivableCollectivelyEvaluatedForImpairment	119969000000	usd
CY2022Q4	fitb	Financing Receivable Excluding Residential Mortgage Loans Measured At Fair Value FinancingReceivableExcludingResidentialMortgageLoansMeasuredAtFairValue	121357000000	usd
CY2023Q4	fitb	Financing Receivable Net Amount For Amortized Cost Basis FinancingReceivableNetAmountForAmortizedCostBasis	474000000	usd
CY2022Q4	fitb	Financing Receivable Net Amount For Amortized Cost Basis FinancingReceivableNetAmountForAmortizedCostBasis	640000000	usd
CY2023Q4	fitb	Financing Receivable Nonaccrual With Related Allowance FinancingReceivableNonaccrualWithRelatedAllowance	469000000	usd
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest Nonaccrual No Allowance FinancingReceivableExcludingAccruedInterestNonaccrualNoAllowance	219000000	usd
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest Nonaccrual FinancingReceivableExcludingAccruedInterestNonaccrual	688000000	usd
CY2022Q4	fitb	Financing Receivable Nonaccrual With Related Allowance FinancingReceivableNonaccrualWithRelatedAllowance	333000000	usd
CY2022Q4	us-gaap	Financing Receivable Excluding Accrued Interest Nonaccrual No Allowance FinancingReceivableExcludingAccruedInterestNonaccrualNoAllowance	206000000	usd
CY2022Q4	us-gaap	Financing Receivable Excluding Accrued Interest Nonaccrual FinancingReceivableExcludingAccruedInterestNonaccrual	539000000	usd
CY2023Q4	us-gaap	Mortgage Loans In Process Of Foreclosure Amount MortgageLoansInProcessOfForeclosureAmount	107000000	usd
CY2022Q4	us-gaap	Mortgage Loans In Process Of Foreclosure Amount MortgageLoansInProcessOfForeclosureAmount	154000000	usd
CY2023	us-gaap	Financing Receivable Excluding Accrued Interest Modified Period FinancingReceivableExcludingAccruedInterestModifiedPeriod	615000000	usd
CY2023	fitb	Loan Modification Program Threshold For Modification Percent Of Total Loans And Leases LoanModificationProgramThresholdForModificationPercentOfTotalLoansAndLeases	0.0052
CY2023	fitb	Loan Modification Program Loans Excluded From Modification Program LoanModificationProgramLoansExcludedFromModificationProgram	29000000	usd
CY2023Q4	us-gaap	Loans And Leases Receivable Impaired Commitment To Lend LoansAndLeasesReceivableImpairedCommitmentToLend	130000000	usd
CY2023	us-gaap	Financing Receivable Excluding Accrued Interest Modified Period FinancingReceivableExcludingAccruedInterestModifiedPeriod	615000000	usd
CY2023	fitb	Modification Program Option Threshold Period Past Due ModificationProgramOptionThresholdPeriodPastDue	P90D
CY2023	us-gaap	Financing Receivable Excluding Accrued Interest Modified Subsequent Default FinancingReceivableExcludingAccruedInterestModifiedSubsequentDefault	77000000	usd
CY2022	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	10091	loan
CY2022	us-gaap	Financing Receivable Modifications Post Modification Recorded Investment2 FinancingReceivableModificationsPostModificationRecordedInvestment2	545000000	usd
CY2022	us-gaap	Financing Receivable Change In Method Credit Loss Expense Reversal FinancingReceivableChangeInMethodCreditLossExpenseReversal	19000000	usd
CY2022	us-gaap	Financing Receivables Impaired Troubled Debt Restructuring Write Down FinancingReceivablesImpairedTroubledDebtRestructuringWriteDown	9000000	usd
CY2021	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	10882	loan
CY2021	us-gaap	Financing Receivable Modifications Post Modification Recorded Investment2 FinancingReceivableModificationsPostModificationRecordedInvestment2	450000000	usd
CY2021	us-gaap	Financing Receivable Change In Method Credit Loss Expense Reversal FinancingReceivableChangeInMethodCreditLossExpenseReversal	12000000	usd
CY2021	us-gaap	Financing Receivables Impaired Troubled Debt Restructuring Write Down FinancingReceivablesImpairedTroubledDebtRestructuringWriteDown	1000000	usd
CY2022	us-gaap	Financing Receivable Modifications Subsequent Default Number Of Contracts1 FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1	796	contract
CY2022	us-gaap	Financing Receivable Modifications Subsequent Default Recorded Investment1 FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1	40000000	usd
CY2021	us-gaap	Financing Receivable Modifications Subsequent Default Number Of Contracts1 FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1	467	contract
CY2021	us-gaap	Financing Receivable Modifications Subsequent Default Recorded Investment1 FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1	41000000	usd
CY2023Q4	us-gaap	Lessor Operating Lease Payments To Be Received Next Twelve Months LessorOperatingLeasePaymentsToBeReceivedNextTwelveMonths	104000000	usd
CY2023Q4	us-gaap	Lessor Operating Lease Payments To Be Received Two Years LessorOperatingLeasePaymentsToBeReceivedTwoYears	78000000	usd
CY2023Q4	us-gaap	Lessor Operating Lease Payments To Be Received Three Years LessorOperatingLeasePaymentsToBeReceivedThreeYears	51000000	usd
CY2023Q4	us-gaap	Lessor Operating Lease Payments To Be Received Four Years LessorOperatingLeasePaymentsToBeReceivedFourYears	26000000	usd
CY2023Q4	us-gaap	Lessor Operating Lease Payments To Be Received Five Years LessorOperatingLeasePaymentsToBeReceivedFiveYears	11000000	usd
CY2023Q4	us-gaap	Lessor Operating Lease Payments To Be Received Thereafter LessorOperatingLeasePaymentsToBeReceivedThereafter	16000000	usd
CY2023Q4	us-gaap	Lessor Operating Lease Payments To Be Received LessorOperatingLeasePaymentsToBeReceived	286000000	usd
CY2023Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	3473000000	usd
CY2022Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	3360000000	usd
CY2023Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	2349000000	usd
CY2022Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	2187000000	usd
CY2023	us-gaap	Depreciation Nonproduction DepreciationNonproduction	292000000	usd
CY2022	us-gaap	Depreciation Nonproduction DepreciationNonproduction	273000000	usd
CY2021	us-gaap	Depreciation Nonproduction DepreciationNonproduction	270000000	usd
CY2023	us-gaap	Impairment Of Long Lived Assets To Be Disposed Of ImpairmentOfLongLivedAssetsToBeDisposedOf	2000000	usd
CY2022	us-gaap	Impairment Of Long Lived Assets To Be Disposed Of ImpairmentOfLongLivedAssetsToBeDisposedOf	9000000	usd
CY2021	us-gaap	Impairment Of Long Lived Assets To Be Disposed Of ImpairmentOfLongLivedAssetsToBeDisposedOf	7000000	usd
CY2023Q4	us-gaap	Net Investment In Lease NetInvestmentInLease	459000000	usd
CY2022Q4	us-gaap	Net Investment In Lease NetInvestmentInLease	627000000	usd
CY2023Q4	fitb	Net Investment In Lease Accumulated Amortization NetInvestmentInLeaseAccumulatedAmortization	355000000	usd
CY2022Q4	fitb	Net Investment In Lease Accumulated Amortization NetInvestmentInLeaseAccumulatedAmortization	338000000	usd
CY2023	us-gaap	Operating Lease Lease Income OperatingLeaseLeaseIncome	135000000	usd
CY2022	us-gaap	Operating Lease Lease Income OperatingLeaseLeaseIncome	146000000	usd
CY2021	us-gaap	Operating Lease Lease Income OperatingLeaseLeaseIncome	152000000	usd
CY2023	us-gaap	Depreciation Depreciation	110000000	usd
CY2022	us-gaap	Depreciation Depreciation	121000000	usd
CY2021	us-gaap	Depreciation Depreciation	124000000	usd
CY2023	us-gaap	Operating Lease Lease Income Lease Payments OperatingLeaseLeaseIncomeLeasePayments	140000000	usd
CY2022	us-gaap	Operating Lease Lease Income Lease Payments OperatingLeaseLeaseIncomeLeasePayments	147000000	usd
CY2023	us-gaap	Tangible Asset Impairment Charges TangibleAssetImpairmentCharges	0	usd
CY2022	us-gaap	Tangible Asset Impairment Charges TangibleAssetImpairmentCharges	2000000	usd
CY2021	us-gaap	Tangible Asset Impairment Charges TangibleAssetImpairmentCharges	25000000	usd
CY2023Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	511000000	usd
CY2022Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	508000000	usd
CY2023Q4	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	126000000	usd
CY2022Q4	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	150000000	usd
CY2023Q4	fitb	Right Of Use Assets RightOfUseAssets	637000000	usd
CY2022Q4	fitb	Right Of Use Assets RightOfUseAssets	658000000	usd
CY2023Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	601000000	usd
CY2022Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	599000000	usd
CY2023Q4	us-gaap	Finance Lease Liability FinanceLeaseLiability	134000000	usd
CY2022Q4	us-gaap	Finance Lease Liability FinanceLeaseLiability	156000000	usd
CY2023Q4	fitb	Total Lease Liabilities TotalLeaseLiabilities	735000000	usd
CY2022Q4	fitb	Total Lease Liabilities TotalLeaseLiabilities	755000000	usd
CY2023Q4	fitb	Operating Lease Right Of Use Asset Accumulated Amortization OperatingLeaseRightOfUseAssetAccumulatedAmortization	292000000	usd
CY2023Q4	us-gaap	Finance Lease Right Of Use Asset Accumulated Amortization FinanceLeaseRightOfUseAssetAccumulatedAmortization	77000000	usd
CY2022Q4	fitb	Operating Lease Right Of Use Asset Accumulated Amortization OperatingLeaseRightOfUseAssetAccumulatedAmortization	255000000	usd
CY2022Q4	us-gaap	Finance Lease Right Of Use Asset Accumulated Amortization FinanceLeaseRightOfUseAssetAccumulatedAmortization	66000000	usd
CY2023	fitb	Finance Lease Cost FinanceLeaseCost	24000000	usd
CY2022	fitb	Finance Lease Cost FinanceLeaseCost	24000000	usd
CY2021	fitb	Finance Lease Cost FinanceLeaseCost	22000000	usd
CY2023	fitb	Operating Lease Costs OperatingLeaseCosts	116000000	usd
CY2022	fitb	Operating Lease Costs OperatingLeaseCosts	110000000	usd
CY2021	fitb	Operating Lease Costs OperatingLeaseCosts	110000000	usd
CY2023	us-gaap	Lease Cost LeaseCost	140000000	usd
CY2022	us-gaap	Lease Cost LeaseCost	134000000	usd
CY2021	us-gaap	Lease Cost LeaseCost	132000000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	93000000	usd
CY2023Q4	us-gaap	Finance Lease Liability Payments Due Next Twelve Months FinanceLeaseLiabilityPaymentsDueNextTwelveMonths	20000000	usd
CY2023Q4	fitb	Lease Liability Payments Due Year One LeaseLiabilityPaymentsDueYearOne	113000000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	86000000	usd
CY2023Q4	us-gaap	Finance Lease Liability Payments Due Year Two FinanceLeaseLiabilityPaymentsDueYearTwo	14000000	usd
CY2023Q4	fitb	Lease Liability Payments Due Year Two LeaseLiabilityPaymentsDueYearTwo	100000000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	77000000	usd
CY2023Q4	us-gaap	Finance Lease Liability Payments Due Year Three FinanceLeaseLiabilityPaymentsDueYearThree	9000000	usd
CY2023Q4	fitb	Lease Liability Payments Due Year Three LeaseLiabilityPaymentsDueYearThree	86000000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	69000000	usd
CY2023Q4	us-gaap	Finance Lease Liability Payments Due Year Four FinanceLeaseLiabilityPaymentsDueYearFour	8000000	usd
CY2023Q4	fitb	Lease Liability Payments Due Year Four LeaseLiabilityPaymentsDueYearFour	77000000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	61000000	usd
CY2023Q4	us-gaap	Finance Lease Liability Payments Due Year Five FinanceLeaseLiabilityPaymentsDueYearFive	8000000	usd
CY2023Q4	fitb	Lease Liability Payments Due Year Five LeaseLiabilityPaymentsDueYearFive	69000000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	369000000	usd
CY2023Q4	us-gaap	Finance Lease Liability Payments Due After Year Five FinanceLeaseLiabilityPaymentsDueAfterYearFive	113000000	usd
CY2023Q4	fitb	Lease Liability Payments Due After Year Five LeaseLiabilityPaymentsDueAfterYearFive	482000000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	755000000	usd
CY2023Q4	us-gaap	Finance Lease Liability Payments Due FinanceLeaseLiabilityPaymentsDue	172000000	usd
CY2023Q4	fitb	Lease Liability Payments Due LeaseLiabilityPaymentsDue	927000000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	154000000	usd
CY2023Q4	us-gaap	Finance Lease Liability Undiscounted Excess Amount FinanceLeaseLiabilityUndiscountedExcessAmount	38000000	usd
CY2023Q4	fitb	Lease Liability Undiscounted Excess Amount LeaseLiabilityUndiscountedExcessAmount	192000000	usd
CY2023Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	601000000	usd
CY2023Q4	us-gaap	Finance Lease Liability FinanceLeaseLiability	134000000	usd
CY2023Q4	fitb	Total Lease Liabilities1 TotalLeaseLiabilities1	735000000	usd
CY2023Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P11Y25D
CY2022Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P10Y9M18D
CY2023Q4	us-gaap	Finance Lease Weighted Average Remaining Lease Term1 FinanceLeaseWeightedAverageRemainingLeaseTerm1	P15Y2M15D
CY2022Q4	us-gaap	Finance Lease Weighted Average Remaining Lease Term1 FinanceLeaseWeightedAverageRemainingLeaseTerm1	P15Y3M21D
CY2023Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0372
CY2022Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0335
CY2023Q4	us-gaap	Finance Lease Weighted Average Discount Rate Percent FinanceLeaseWeightedAverageDiscountRatePercent	0.0302
CY2022Q4	us-gaap	Finance Lease Weighted Average Discount Rate Percent FinanceLeaseWeightedAverageDiscountRatePercent	0.0294
CY2023	us-gaap	Operating Lease Payments OperatingLeasePayments	91000000	usd
CY2022	us-gaap	Operating Lease Payments OperatingLeasePayments	90000000	usd
CY2021	us-gaap	Operating Lease Payments OperatingLeasePayments	88000000	usd
CY2023	us-gaap	Finance Lease Interest Payment On Liability FinanceLeaseInterestPaymentOnLiability	5000000	usd
CY2022	us-gaap	Finance Lease Interest Payment On Liability FinanceLeaseInterestPaymentOnLiability	5000000	usd
CY2021	us-gaap	Finance Lease Interest Payment On Liability FinanceLeaseInterestPaymentOnLiability	4000000	usd
CY2023	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	16000000	usd
CY2022	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	23000000	usd
CY2021	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	16000000	usd
CY2023	us-gaap	Sale And Leaseback Transaction Gain Loss Net SaleAndLeasebackTransactionGainLossNet	2000000	usd
CY2022	us-gaap	Sale And Leaseback Transaction Gain Loss Net SaleAndLeasebackTransactionGainLossNet	4000000	usd
CY2021	us-gaap	Sale And Leaseback Transaction Gain Loss Net SaleAndLeasebackTransactionGainLossNet	2000000	usd
CY2021Q4	us-gaap	Goodwill Gross GoodwillGross	5479000000	usd
CY2021Q4	us-gaap	Goodwill Impaired Accumulated Impairment Loss GoodwillImpairedAccumulatedImpairmentLoss	965000000	usd
CY2021Q4	us-gaap	Goodwill Goodwill	4514000000	usd
CY2022	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	440000000	usd
CY2022	us-gaap	Goodwill Transfers GoodwillTransfers	0	usd
CY2022	us-gaap	Goodwill Written Off Related To Sale Of Business Unit GoodwillWrittenOffRelatedToSaleOfBusinessUnit	39000000	usd
CY2022Q4	us-gaap	Goodwill Goodwill	4915000000	usd
CY2023	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	4000000	usd
CY2023Q4	us-gaap	Goodwill Goodwill	4919000000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	361000000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	236000000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	125000000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	385000000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	216000000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	169000000	usd
CY2023	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	43000000	usd
CY2022	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	48000000	usd
CY2021	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	47000000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	35000000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	28000000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	22000000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	14000000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	9000000	usd
CY2023	us-gaap	Proceeds From Sale Of Mortgage Loans Held For Sale ProceedsFromSaleOfMortgageLoansHeldForSale	4888000000	usd
CY2022	us-gaap	Proceeds From Sale Of Mortgage Loans Held For Sale ProceedsFromSaleOfMortgageLoansHeldForSale	13307000000	usd
CY2021	us-gaap	Proceeds From Sale Of Mortgage Loans Held For Sale ProceedsFromSaleOfMortgageLoansHeldForSale	16900000000	usd
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CY2021	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	0
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CY2023Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	21.45
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	312000	shares
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	21.65
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	409000	shares
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	21.51
CY2023Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	224000	shares
CY2023Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	21.45
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	312000	shares
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	21.65
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	386000	shares
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	21.31
CY2023Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	224000	shares
CY2023Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	21.45
CY2023	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P2Y1M6D
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CY2023Q4	us-gaap	Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Exercisable Options Weighted Average Exercise Price1 SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1	21.45
CY2023	us-gaap	Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Exercisable Options Weighted Average Remaining Contractual Term2 SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageRemainingContractualTerm2	P2Y1M6D
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CY2022	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	64000000	usd
CY2021	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	61000000	usd
CY2023	fitb	Fees And Commissions Cards FeesAndCommissionsCards	56000000	usd
CY2022	fitb	Fees And Commissions Cards FeesAndCommissionsCards	54000000	usd
CY2021	fitb	Fees And Commissions Cards FeesAndCommissionsCards	50000000	usd
CY2023	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	52000000	usd
CY2022	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	22000000	usd
CY2021	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	30000000	usd
CY2023	fitb	Private Equity Investment Income PrivateEquityInvestmentIncome	44000000	usd
CY2022	fitb	Private Equity Investment Income PrivateEquityInvestmentIncome	70000000	usd
CY2021	fitb	Private Equity Investment Income PrivateEquityInvestmentIncome	81000000	usd
CY2023	fitb	Banking Center Income BankingCenterIncome	25000000	usd
CY2022	fitb	Banking Center Income BankingCenterIncome	24000000	usd
CY2021	fitb	Banking Center Income BankingCenterIncome	23000000	usd
CY2023	fitb	Income From Termination And Taxable Receivable Agreement Payment IncomeFromTerminationAndTaxableReceivableAgreementPayment	22000000	usd
CY2022	fitb	Income From Termination And Taxable Receivable Agreement Payment IncomeFromTerminationAndTaxableReceivableAgreementPayment	46000000	usd
CY2021	fitb	Income From Termination And Taxable Receivable Agreement Payment IncomeFromTerminationAndTaxableReceivableAgreementPayment	46000000	usd
CY2023	fitb	Loan Fees LoanFees	20000000	usd
CY2022	fitb	Loan Fees LoanFees	19000000	usd
CY2021	fitb	Loan Fees LoanFees	17000000	usd
CY2023	fitb	Gain Loss On Contract Sales GainLossOnContractSales	2000000	usd
CY2022	fitb	Gain Loss On Contract Sales GainLossOnContractSales	3000000	usd
CY2021	fitb	Gain Loss On Contract Sales GainLossOnContractSales	62000000	usd
CY2023	fitb	Gain Loss On Swap Associated With Sale Visa GainLossOnSwapAssociatedWithSaleVisa	-94000000	usd
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CY2021	fitb	Gain Loss On Swap Associated With Sale Visa GainLossOnSwapAssociatedWithSaleVisa	-86000000	usd
CY2023	us-gaap	Noninterest Income Other NoninterestIncomeOther	19000000	usd
CY2022	us-gaap	Noninterest Income Other NoninterestIncomeOther	47000000	usd
CY2021	us-gaap	Noninterest Income Other NoninterestIncomeOther	48000000	usd
CY2023	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	207000000	usd
CY2022	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	265000000	usd
CY2021	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	332000000	usd
CY2023	fitb	Federal Deposit Insurance Corporation Premium Expense And Other Taxes FederalDepositInsuranceCorporationPremiumExpenseAndOtherTaxes	385000000	usd
CY2022	fitb	Federal Deposit Insurance Corporation Premium Expense And Other Taxes FederalDepositInsuranceCorporationPremiumExpenseAndOtherTaxes	132000000	usd
CY2021	fitb	Federal Deposit Insurance Corporation Premium Expense And Other Taxes FederalDepositInsuranceCorporationPremiumExpenseAndOtherTaxes	114000000	usd
CY2023	us-gaap	Loan Processing Fee LoanProcessingFee	133000000	usd
CY2022	us-gaap	Loan Processing Fee LoanProcessingFee	167000000	usd
CY2021	us-gaap	Loan Processing Fee LoanProcessingFee	217000000	usd
CY2023	fitb	Noninterest Expense Operating Losses NoninterestExpenseOperatingLosses	91000000	usd
CY2022	fitb	Noninterest Expense Operating Losses NoninterestExpenseOperatingLosses	91000000	usd
CY2021	fitb	Noninterest Expense Operating Losses NoninterestExpenseOperatingLosses	69000000	usd
CY2023	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	87000000	usd
CY2022	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	82000000	usd
CY2021	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	79000000	usd
CY2023	fitb	Dues And Subscriptions DuesAndSubscriptions	61000000	usd
CY2022	fitb	Dues And Subscriptions DuesAndSubscriptions	58000000	usd
CY2021	fitb	Dues And Subscriptions DuesAndSubscriptions	55000000	usd
CY2023	us-gaap	Travel And Entertainment Expense TravelAndEntertainmentExpense	56000000	usd
CY2022	us-gaap	Travel And Entertainment Expense TravelAndEntertainmentExpense	60000000	usd
CY2021	us-gaap	Travel And Entertainment Expense TravelAndEntertainmentExpense	34000000	usd
CY2023	us-gaap	Professional Fees ProfessionalFees	53000000	usd
CY2022	us-gaap	Professional Fees ProfessionalFees	54000000	usd
CY2021	us-gaap	Professional Fees ProfessionalFees	63000000	usd
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CY2022	fitb	Securities Recordkeeping SecuritiesRecordkeeping	48000000	usd
CY2021	fitb	Securities Recordkeeping SecuritiesRecordkeeping	52000000	usd
CY2023	fitb	Cash And Coin Processing CashAndCoinProcessing	48000000	usd
CY2022	fitb	Cash And Coin Processing CashAndCoinProcessing	44000000	usd
CY2021	fitb	Cash And Coin Processing CashAndCoinProcessing	39000000	usd
CY2023	us-gaap	Postage Expense PostageExpense	46000000	usd
CY2022	us-gaap	Postage Expense PostageExpense	40000000	usd
CY2021	us-gaap	Postage Expense PostageExpense	37000000	usd
CY2023	fitb	Amortization Of Intangible Assets Excluding Operating Lease Intangible Assets AmortizationOfIntangibleAssetsExcludingOperatingLeaseIntangibleAssets	43000000	usd
CY2022	fitb	Amortization Of Intangible Assets Excluding Operating Lease Intangible Assets AmortizationOfIntangibleAssetsExcludingOperatingLeaseIntangibleAssets	47000000	usd
CY2021	fitb	Amortization Of Intangible Assets Excluding Operating Lease Intangible Assets AmortizationOfIntangibleAssetsExcludingOperatingLeaseIntangibleAssets	44000000	usd
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CY2022	us-gaap	Other Expenses OtherExpenses	145000000	usd
CY2021	us-gaap	Other Expenses OtherExpenses	148000000	usd
CY2023	us-gaap	Other Noninterest Expense OtherNoninterestExpense	1237000000	usd
CY2022	us-gaap	Other Noninterest Expense OtherNoninterestExpense	968000000	usd
CY2021	us-gaap	Other Noninterest Expense OtherNoninterestExpense	951000000	usd
CY2023	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	2212000000	usd
CY2022	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	2330000000	usd
CY2021	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	2659000000	usd
CY2023	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	0	usd
CY2022	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	2000000	usd
CY2021	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	7000000	usd
CY2023	fitb	Net Income Loss Allocated To Common Stockholders Basic NetIncomeLossAllocatedToCommonStockholdersBasic	2212000000	usd
CY2023	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	684000000	shares
CY2023	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.23
CY2022	fitb	Net Income Loss Allocated To Common Stockholders Basic NetIncomeLossAllocatedToCommonStockholdersBasic	2328000000	usd
CY2022	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	689000000	shares
CY2022	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.38
CY2021	fitb	Net Income Loss Allocated To Common Stockholders Basic NetIncomeLossAllocatedToCommonStockholdersBasic	2652000000	usd
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	702000000	shares
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.78
CY2023	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	2212000000	usd
CY2022	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	2330000000	usd
CY2021	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	2659000000	usd
CY2023	fitb	Stock Based Awards Amount StockBasedAwardsAmount	0	usd
CY2023	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	4000000	shares
CY2022	fitb	Stock Based Awards Amount StockBasedAwardsAmount	0	usd
CY2022	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	6000000	shares
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CY2021	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	9000000	shares
CY2023	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	2212000000	usd
CY2022	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	2330000000	usd
CY2021	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	2659000000	usd
CY2023	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	0	usd
CY2022	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	2000000	usd
CY2021	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	7000000	usd
CY2023	fitb	Net Income Loss Allocated To Common Stockholders Basic NetIncomeLossAllocatedToCommonStockholdersBasic	2212000000	usd
CY2023	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	688000000	shares
CY2023	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.22
CY2022	fitb	Net Income Loss Allocated To Common Stockholders Basic NetIncomeLossAllocatedToCommonStockholdersBasic	2328000000	usd
CY2022	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	695000000	shares
CY2022	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.35
CY2021	fitb	Net Income Loss Allocated To Common Stockholders Basic NetIncomeLossAllocatedToCommonStockholdersBasic	2652000000	usd
CY2021	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	711000000	shares
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.73
CY2023	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	6000000	shares
CY2022	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	3000000	shares
CY2021	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	0	shares
CY2023Q4	us-gaap	Derivative Assets Liabilities At Fair Value Net DerivativeAssetsLiabilitiesAtFairValueNet	5000000	usd
CY2023Q4	fitb	Sensitivity Analysis Of Increase In Fair Value Of Derivatives Impact Of Twenty Five Basis Point Decrease In Interest Rate SensitivityAnalysisOfIncreaseInFairValueOfDerivativesImpactOfTwentyFiveBasisPointDecreaseInInterestRate	1000000	usd
CY2023Q4	fitb	Sensitivity Analysis Of Increase In Fair Value Of Derivatives Impact Of Fifty Basis Point Decrease In Interest Rate SensitivityAnalysisOfIncreaseInFairValueOfDerivativesImpactOfFiftyBasisPointDecreaseInInterestRate	3000000	usd
CY2023Q4	fitb	Sensitivity Analysis Of Decrease In Fair Value Of Derivatives Impact Of Twenty Five Basis Point Increase In Interest Rate SensitivityAnalysisOfDecreaseInFairValueOfDerivativesImpactOfTwentyFiveBasisPointIncreaseInInterestRate	2000000	usd
CY2023Q4	fitb	Sensitivity Analysis Of Decrease In Fair Value Of Derivatives Impact Of Fifty Basis Point Increase In Interest Rate SensitivityAnalysisOfDecreaseInFairValueOfDerivativesImpactOfFiftyBasisPointIncreaseInInterestRate	3000000	usd
CY2023Q4	fitb	Sensitivity Analysis Of Increase In Fair Value Of Derivatives Impact Of Twenty Percent Changes In Assumed Loan Closing Rates Favorable SensitivityAnalysisOfIncreaseInFairValueOfDerivativesImpactOfTwentyPercentChangesInAssumedLoanClosingRatesFavorable	0	usd
CY2023Q4	fitb	Sensitivity Analysis Of Increase In Fair Value Of Derivatives Impact Of Twenty Percent Changes In Assumed Loan Closing Rates Adverse SensitivityAnalysisOfIncreaseInFairValueOfDerivativesImpactOfTwentyPercentChangesInAssumedLoanClosingRatesAdverse	0	usd
CY2023Q4	fitb	Sensitivity Analysis Of Increase In Fair Value Of Derivatives Impact Of Ten Percent Changes In Assumed Loan Closing Rates Favorable SensitivityAnalysisOfIncreaseInFairValueOfDerivativesImpactOfTenPercentChangesInAssumedLoanClosingRatesFavorable	0	usd
CY2023Q4	fitb	Sensitivity Analysis Of Increase In Fair Value Of Derivatives Impact Of Ten Percent Changes In Assumed Loan Closing Rates Adverse SensitivityAnalysisOfIncreaseInFairValueOfDerivativesImpactOfTenPercentChangesInAssumedLoanClosingRatesAdverse	0	usd
CY2022Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	1673000000	usd
CY2023	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Earnings1 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1	-144000000	usd
CY2023	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Purchases FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases	93000000	usd
CY2023	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements	-57000000	usd
CY2023	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Into Level3 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3	6000000	usd
CY2023Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	1685000000	usd
CY2023	us-gaap	Fair Value Assets Measured On Recurring Basis Change In Unrealized Gain Loss FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss	-115000000	usd
CY2023	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Other Comprehensive Income Loss FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss	0	usd
CY2021Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	1065000000	usd
CY2022	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Earnings1 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1	97000000	usd
CY2022	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Purchases FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases	449000000	usd
CY2022	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements	-52000000	usd
CY2022	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Into Level3 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3	10000000	usd
CY2022Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	1673000000	usd
CY2022	us-gaap	Fair Value Assets Measured On Recurring Basis Change In Unrealized Gain Loss FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss	215000000	usd
CY2022	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Other Comprehensive Income Loss FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss	0	usd
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CY2021	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Earnings1 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1	-74000000	usd
CY2021	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Purchases FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases	601000000	usd
CY2021	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements	180000000	usd
CY2021	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Into Level3 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3	49000000	usd
CY2021Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	1065000000	usd
CY2021	us-gaap	Fair Value Assets Measured On Recurring Basis Change In Unrealized Gain Loss FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss	5000000	usd
CY2021	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Other Comprehensive Income Loss FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss	0	usd
CY2023	fitb	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset And Liabilities Change In Unrealized Gains Losses Included In Earnings FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetAndLiabilitiesChangeInUnrealizedGainsLossesIncludedInEarnings	-115000000	usd
CY2022	fitb	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset And Liabilities Change In Unrealized Gains Losses Included In Earnings FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetAndLiabilitiesChangeInUnrealizedGainsLossesIncludedInEarnings	215000000	usd
CY2021	fitb	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset And Liabilities Change In Unrealized Gains Losses Included In Earnings FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetAndLiabilitiesChangeInUnrealizedGainsLossesIncludedInEarnings	5000000	usd
CY2023	us-gaap	Equity Securities Without Readily Determinable Fair Value Upward Price Adjustment Annual Amount EquitySecuritiesWithoutReadilyDeterminableFairValueUpwardPriceAdjustmentAnnualAmount	0	usd
CY2022	us-gaap	Equity Securities Without Readily Determinable Fair Value Upward Price Adjustment Annual Amount EquitySecuritiesWithoutReadilyDeterminableFairValueUpwardPriceAdjustmentAnnualAmount	4000000	usd
CY2023Q4	us-gaap	Equity Securities Without Readily Determinable Fair Value Upward Price Adjustment Cumulative Amount EquitySecuritiesWithoutReadilyDeterminableFairValueUpwardPriceAdjustmentCumulativeAmount	40000000	usd
CY2023	us-gaap	Equity Securities Without Readily Determinable Fair Value Impairment Loss Annual Amount EquitySecuritiesWithoutReadilyDeterminableFairValueImpairmentLossAnnualAmount	2000000	usd
CY2022	us-gaap	Equity Securities Without Readily Determinable Fair Value Impairment Loss Annual Amount EquitySecuritiesWithoutReadilyDeterminableFairValueImpairmentLossAnnualAmount	12000000	usd
CY2023Q4	us-gaap	Equity Securities Without Readily Determinable Fair Value Impairment Loss Cumulative Amount EquitySecuritiesWithoutReadilyDeterminableFairValueImpairmentLossCumulativeAmount	15000000	usd
CY2023	us-gaap	Operating Lease Impairment Loss OperatingLeaseImpairmentLoss	2000000	usd
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CY2022	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	563000000	usd
CY2022Q4	us-gaap	Embedded Derivative Fair Value Of Embedded Derivative Asset EmbeddedDerivativeFairValueOfEmbeddedDerivativeAsset	0	usd
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CY2023	us-gaap	Embedded Derivative Gain On Embedded Derivative EmbeddedDerivativeGainOnEmbeddedDerivative	0	usd
CY2022	us-gaap	Embedded Derivative Gain On Embedded Derivative EmbeddedDerivativeGainOnEmbeddedDerivative	11000000	usd
CY2023Q4	us-gaap	Banking Regulation Capital Conservation Buffer Capital Conserved Minimum BankingRegulationCapitalConservationBufferCapitalConservedMinimum	0.025
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CY2023	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	5827000000	usd
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CY2023Q4	ecd	Rule10b51 Arr Trmntd Flag Rule10b51ArrTrmntdFlag	false
CY2023	dei	Auditor Name AuditorName	Deloitte & Touche LLP
CY2023	dei	Auditor Firm AuditorFirmId	34

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$FITB
FIFTH THIRD BANCORP Stock $fitb

2024 Q1 Form 10-K Financial Statement

#000003552724000088 Filed on February 27, 2024

Income Statement

Balance Sheet

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Facts In Submission

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$FITB FIFTH THIRD BANCORP Stock $fitb

2024 Q1 Form 10-K Financial Statement

#000003552724000088 Filed on February 27, 2024

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$FITB
FIFTH THIRD BANCORP Stock $fitb