$HBAN
HUNTINGTON BANCSHARES INC /MD/ Stock $hban

$hban Overview Financials Valuation SEC Filings Company Website

2021 Q3 Form 10-Q Financial Statement

#000004919621000096 Filed on November 05, 2021

Income Statement

Concept	2021 Q3	2020 Q3
Revenue	$1.205B	$892.0M
YoY Change	35.09%	-15.21%
Cost Of Revenue
YoY Change
Gross Profit
YoY Change
Gross Profit Margin
Selling, General & Admin
YoY Change
% of Gross Profit
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$25.00M	$80.00M
YoY Change	-68.75%	-23.08%
% of Gross Profit
Operating Expenses
YoY Change
Operating Profit
YoY Change
Interest Expense	$45.00M	$75.00M
YoY Change	-40.0%	-70.36%
% of Operating Profit
Other Income/Expense, Net
YoY Change
Pretax Income	$468.0M	$358.0M
YoY Change	30.73%	-18.45%
Income Tax	$90.00M	$55.00M
% Of Pretax Income	19.23%	15.36%
Net Earnings	$377.0M	$303.0M
YoY Change	24.42%	-18.55%
Net Earnings / Revenue	31.29%	33.97%
Basic Earnings Per Share	$0.23	$0.27
Diluted Earnings Per Share	$0.22	$0.27
COMMON SHARES
Basic Shares Outstanding	1.463B shares	1.017B shares
Diluted Shares Outstanding	1.487B shares	1.031B shares

Balance Sheet

Concept	2021 Q3	2020 Q3
SHORT-TERM ASSETS
Cash & Short-Term Investments
YoY Change
Cash & Equivalents	$9.745B	$6.275B
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	$1.126B	$752.0M
YoY Change	49.73%	-2.97%
Goodwill	$5.316B	$1.990B
YoY Change	167.14%	0.0%
Intangibles
YoY Change
Long-Term Investments
YoY Change
Other Assets
YoY Change
Total Long-Term Assets
YoY Change
TOTAL ASSETS
Total Short-Term Assets
Total Long-Term Assets
Total Assets	$173.9B	$120.1B
YoY Change	44.76%	10.47%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable
YoY Change
Accrued Expenses
YoY Change
Deferred Revenue
YoY Change
Short-Term Debt	$435.0M	$222.0M
YoY Change	95.95%	-89.78%
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$435.0M	$222.0M
YoY Change	95.95%	-87.34%
LONG-TERM LIABILITIES
Long-Term Debt	$7.563B	$9.174B
YoY Change	-17.56%	-7.09%
Other Long-Term Liabilities	$4.267B	$2.649B
YoY Change	61.08%	319.81%
Total Long-Term Liabilities	$11.83B	$11.82B
YoY Change	0.06%	12.55%
TOTAL LIABILITIES
Total Short-Term Liabilities	$435.0M	$222.0M
Total Long-Term Liabilities	$11.83B	$11.82B
Total Liabilities	$154.4B	$107.2B
YoY Change	44.01%	10.71%
SHAREHOLDERS EQUITY
Retained Earnings	$2.051B	$1.752B
YoY Change	17.07%	-9.97%
Common Stock	$15.00M	$10.00M
YoY Change	50.0%	0.0%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$79.00M	$59.00M
YoY Change	33.9%	7.27%
Treasury Stock Shares	6.306M shares	5.066M shares
Shareholders Equity	$19.48B	$12.92B
YoY Change
Total Liabilities & Shareholders Equity	$173.9B	$120.1B
YoY Change	44.76%	10.47%

Cashflow Statement

Concept	2021 Q3	2020 Q3
OPERATING ACTIVITIES
Net Income	$377.0M	$303.0M
YoY Change	24.42%	-18.55%
Depreciation, Depletion And Amortization	$25.00M	$80.00M
YoY Change	-68.75%	-23.08%
Cash From Operating Activities	$577.0M	$549.0M
YoY Change	5.1%	1093.48%
INVESTING ACTIVITIES
Capital Expenditures	-$58.00M	-$33.00M
YoY Change	75.76%	6.45%
Acquisitions
YoY Change
Other Investing Activities	-$3.139B	-$1.750B
YoY Change	79.37%	1043.79%
Cash From Investing Activities	-$3.197B	-$1.783B
YoY Change	79.3%	869.02%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-890.0M	1.216B
YoY Change	-173.19%	590.91%
NET CHANGE
Cash From Operating Activities	577.0M	549.0M
Cash From Investing Activities	-3.197B	-1.783B
Cash From Financing Activities	-890.0M	1.216B
Net Change In Cash	-3.510B	-18.00M
YoY Change	19400.0%	-147.37%
FREE CASH FLOW
Cash From Operating Activities	$577.0M	$549.0M
Capital Expenditures	-$58.00M	-$33.00M
Free Cash Flow	$635.0M	$582.0M
YoY Change	9.11%	655.84%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
	dei	Entity Central Index Key EntityCentralIndexKey	0000049196
	dei	Document Transition Report DocumentTransitionReport	false
	dei	Amendment Flag AmendmentFlag	false
	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2021
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q3
	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
	dei	Document Type DocumentType	10-Q
	dei	Document Quarterly Report DocumentQuarterlyReport	true
	dei	Document Period End Date DocumentPeriodEndDate	2021-09-30
	dei	Entity Registrant Name EntityRegistrantName	Huntington Bancshares Incorporated
	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	MD
	dei	Entity File Number EntityFileNumber	1-34073
	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	31-0724920
	dei	Entity Address Address Line1 EntityAddressAddressLine1	41 South High Street
	dei	Entity Address City Or Town EntityAddressCityOrTown	Columbus
	dei	Entity Address State Or Province EntityAddressStateOrProvince	OH
	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	43287
	dei	City Area Code CityAreaCode	614
	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
	dei	Local Phone Number LocalPhoneNumber	480-2265
	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
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CY2020Q3	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	34000000	USD
	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	141000000	USD
	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	104000000	USD
CY2021Q3	us-gaap	Noninterest Income NoninterestIncome	535000000	USD
CY2020Q3	us-gaap	Noninterest Income NoninterestIncome	430000000	USD
	us-gaap	Noninterest Income NoninterestIncome	1374000000	USD
	us-gaap	Noninterest Income NoninterestIncome	1182000000	USD
CY2021Q3	us-gaap	Labor And Related Expense LaborAndRelatedExpense	643000000	USD
CY2020Q3	us-gaap	Labor And Related Expense LaborAndRelatedExpense	453000000	USD
	us-gaap	Labor And Related Expense LaborAndRelatedExpense	1703000000	USD
	us-gaap	Labor And Related Expense LaborAndRelatedExpense	1267000000	USD
CY2021Q3	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	304000000	USD
CY2020Q3	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	98000000	USD
	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	581000000	USD
	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	273000000	USD
CY2021Q3	us-gaap	Equipment Expense EquipmentExpense	79000000	USD
CY2020Q3	us-gaap	Equipment Expense EquipmentExpense	44000000	USD
	us-gaap	Equipment Expense EquipmentExpense	180000000	USD
	us-gaap	Equipment Expense EquipmentExpense	132000000	USD
CY2021Q3	us-gaap	Occupancy Net OccupancyNet	95000000	USD
CY2020Q3	us-gaap	Occupancy Net OccupancyNet	40000000	USD
	us-gaap	Occupancy Net OccupancyNet	209000000	USD
	us-gaap	Occupancy Net OccupancyNet	119000000	USD
CY2021Q3	us-gaap	Depreciation Nonproduction DepreciationNonproduction	19000000	USD
CY2020Q3	us-gaap	Depreciation Nonproduction DepreciationNonproduction	0	USD
	us-gaap	Depreciation Nonproduction DepreciationNonproduction	24000000	USD
	us-gaap	Depreciation Nonproduction DepreciationNonproduction	1000000	USD
CY2021Q3	us-gaap	Professional Fees ProfessionalFees	26000000	USD
CY2020Q3	us-gaap	Professional Fees ProfessionalFees	12000000	USD
	us-gaap	Professional Fees ProfessionalFees	91000000	USD
	us-gaap	Professional Fees ProfessionalFees	34000000	USD
CY2021Q3	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	13000000	USD
CY2020Q3	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	10000000	USD
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	34000000	USD
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	31000000	USD
CY2021Q3	us-gaap	Marketing And Advertising Expense MarketingAndAdvertisingExpense	25000000	USD
CY2020Q3	us-gaap	Marketing And Advertising Expense MarketingAndAdvertisingExpense	9000000	USD
	us-gaap	Marketing And Advertising Expense MarketingAndAdvertisingExpense	54000000	USD
	us-gaap	Marketing And Advertising Expense MarketingAndAdvertisingExpense	23000000	USD
CY2021Q3	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	17000000	USD
CY2020Q3	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	6000000	USD
	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	33000000	USD
	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	24000000	USD
CY2021Q3	us-gaap	Other Noninterest Expense OtherNoninterestExpense	68000000	USD
CY2020Q3	us-gaap	Other Noninterest Expense OtherNoninterestExpense	40000000	USD
	us-gaap	Other Noninterest Expense OtherNoninterestExpense	245000000	USD
	us-gaap	Other Noninterest Expense OtherNoninterestExpense	135000000	USD
CY2021Q3	us-gaap	Noninterest Expense NoninterestExpense	1289000000	USD
CY2020Q3	us-gaap	Noninterest Expense NoninterestExpense	712000000	USD
	us-gaap	Noninterest Expense NoninterestExpense	3154000000	USD
	us-gaap	Noninterest Expense NoninterestExpense	2039000000	USD
CY2021Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	468000000	USD
CY2020Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	358000000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	1101000000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	597000000	USD
CY2021Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	90000000	USD
CY2020Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	55000000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	206000000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	96000000	USD
CY2021Q3	us-gaap	Profit Loss ProfitLoss	378000000	USD
CY2020Q3	us-gaap	Profit Loss ProfitLoss	303000000	USD
	us-gaap	Profit Loss ProfitLoss	895000000	USD
	us-gaap	Profit Loss ProfitLoss	501000000	USD
CY2021Q3	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	1000000	USD
CY2020Q3	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	0	USD
	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	1000000	USD
	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	0	USD
CY2021Q3	us-gaap	Net Income Loss NetIncomeLoss	377000000	USD
CY2020Q3	us-gaap	Net Income Loss NetIncomeLoss	303000000	USD
	us-gaap	Net Income Loss NetIncomeLoss	894000000	USD
	us-gaap	Net Income Loss NetIncomeLoss	501000000	USD
CY2021Q3	us-gaap	Dividends Preferred Stock DividendsPreferredStock	29000000	USD
CY2020Q3	us-gaap	Dividends Preferred Stock DividendsPreferredStock	28000000	USD
	us-gaap	Dividends Preferred Stock DividendsPreferredStock	103000000	USD
	us-gaap	Dividends Preferred Stock DividendsPreferredStock	65000000	USD
CY2021Q3	us-gaap	Other Preferred Stock Dividends And Adjustments OtherPreferredStockDividendsAndAdjustments	15000000	USD
CY2020Q3	us-gaap	Other Preferred Stock Dividends And Adjustments OtherPreferredStockDividendsAndAdjustments	0	USD
	us-gaap	Other Preferred Stock Dividends And Adjustments OtherPreferredStockDividendsAndAdjustments	15000000	USD
	us-gaap	Other Preferred Stock Dividends And Adjustments OtherPreferredStockDividendsAndAdjustments	0	USD
CY2021Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	333000000	USD
CY2020Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	275000000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	776000000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	436000000	USD
CY2021Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	1462736000	shares
CY2020Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	1017253000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	1201763000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	1017052000	shares
CY2021Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	1487335000	shares
CY2020Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	1031460000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	1225428000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	1031573000	shares
CY2021Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.23
CY2020Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.27
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.65
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.43
CY2021Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.22
CY2020Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.27
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.63
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.42
CY2021Q3	us-gaap	Net Income Loss NetIncomeLoss	377000000	USD
CY2020Q3	us-gaap	Net Income Loss NetIncomeLoss	303000000	USD
	us-gaap	Net Income Loss NetIncomeLoss	894000000	USD
	us-gaap	Net Income Loss NetIncomeLoss	501000000	USD
CY2021Q3	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-82000000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	5000000	USD
	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-220000000	USD
	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	240000000	USD
CY2021Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent	-29000000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent	-40000000	USD
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent	-102000000	USD
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax Parent OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent	279000000	USD
CY2021Q3	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	2000000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	0	USD
	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-4000000	USD
	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	0	USD
CY2021Q3	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-3000000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-2000000	USD
	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-9000000	USD
	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	6000000	USD
CY2021Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-106000000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-33000000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-317000000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	513000000	USD
CY2021Q3	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	271000000	USD
CY2020Q3	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	270000000	USD
	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	577000000	USD
	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	1014000000	USD
CY2021Q2	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	20531000000	USD
CY2021Q3	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	1000000	USD
CY2021Q3	us-gaap	Profit Loss ProfitLoss	378000000	USD
CY2021Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-106000000	USD
CY2021Q3	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	500000000	USD
CY2021Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.15
CY2021Q3	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	221000000	USD
CY2021Q3	us-gaap	Dividends Preferred Stock Cash DividendsPreferredStockCash	29000000	USD
CY2021Q3	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	32000000	USD
CY2021Q3	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	-12000000	USD
CY2021Q3	us-gaap	Stockholders Equity Other StockholdersEquityOther	-26000000	USD
CY2021Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	19499000000	USD
CY2020Q2	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	12314000000	USD
CY2020Q3	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	0	USD
CY2020Q3	us-gaap	Profit Loss ProfitLoss	303000000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-33000000	USD
CY2020Q3	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	494000000	USD
CY2020Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.15
CY2020Q3	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	156000000	USD
CY2020Q3	us-gaap	Dividends Preferred Stock Cash DividendsPreferredStockCash	28000000	USD
CY2020Q3	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	21000000	USD
CY2020Q3	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	2000000	USD
CY2020Q3	us-gaap	Stockholders Equity Other StockholdersEquityOther	0	USD
CY2020Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	12917000000	USD
CY2020Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	12993000000	USD
	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	1000000	USD
	us-gaap	Profit Loss ProfitLoss	895000000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-317000000	USD
	us-gaap	Stock Issued During Period Value Acquisitions StockIssuedDuringPeriodValueAcquisitions	6961000000	USD
	us-gaap	Stock Issued During Period Value Other StockIssuedDuringPeriodValueOther	185000000	USD
	us-gaap	Noncontrolling Interest Increase From Business Combination NoncontrollingInterestIncreaseFromBusinessCombination	22000000	USD
	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	486000000	USD
	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	500000000	USD
	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.45
	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	601000000	USD
	us-gaap	Dividends Preferred Stock Cash DividendsPreferredStockCash	103000000	USD
	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	-31000000	USD
	us-gaap	Stockholders Equity Other StockholdersEquityOther	-12000000	USD
CY2021Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	19499000000	USD
	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	97000000	USD
CY2019Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	11795000000	USD
	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	0	USD
	us-gaap	Profit Loss ProfitLoss	501000000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	513000000	USD
	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	988000000	USD
	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	88000000	USD
	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.45
	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	466000000	USD
	us-gaap	Dividends Preferred Stock Cash DividendsPreferredStockCash	65000000	USD
	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	60000000	USD
	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	-12000000	USD
	us-gaap	Stockholders Equity Other StockholdersEquityOther	3000000	USD
CY2020Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	12917000000	USD
	us-gaap	Profit Loss ProfitLoss	895000000	USD
	us-gaap	Profit Loss ProfitLoss	501000000	USD
	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	89000000	USD
	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	945000000	USD
	us-gaap	Depreciation And Amortization DepreciationAndAmortization	299000000	USD
	us-gaap	Depreciation And Amortization DepreciationAndAmortization	258000000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	97000000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	60000000	USD
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	40000000	USD
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-123000000	USD
	us-gaap	Increase Decrease In Trading Securities IncreaseDecreaseInTradingSecurities	15000000	USD
	us-gaap	Increase Decrease In Trading Securities IncreaseDecreaseInTradingSecurities	-45000000	USD
	us-gaap	Increase Decrease In Loans Held For Sale IncreaseDecreaseInLoansHeldForSale	115000000	USD
	us-gaap	Increase Decrease In Loans Held For Sale IncreaseDecreaseInLoansHeldForSale	395000000	USD
	hban	Accrued Income And Other Assets AccruedIncomeAndOtherAssets	247000000	USD
	hban	Accrued Income And Other Assets AccruedIncomeAndOtherAssets	919000000	USD
	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	5988000000	USD
	us-gaap	Payments To Acquire Held To Maturity Securities PaymentsToAcquireHeldToMaturitySecurities	3685000000	USD
	us-gaap	Payments To Acquire Held To Maturity Securities PaymentsToAcquireHeldToMaturitySecurities	0	USD
	us-gaap	Proceeds From Sale Of Loans Held For Investment ProceedsFromSaleOfLoansHeldForInvestment	479000000	USD
	us-gaap	Proceeds From Sale Of Loans Held For Investment ProceedsFromSaleOfLoansHeldForInvestment	696000000	USD
	hban	Finance Principal Lease Payments FinancePrincipalLeasePayments	899000000	USD
	hban	Finance Principal Lease Payments FinancePrincipalLeasePayments	518000000	USD
	us-gaap	Payments For Proceeds From Other Loans And Leases PaymentsForProceedsFromOtherLoansAndLeases	-4121000000	USD
	us-gaap	Payments For Proceeds From Other Loans And Leases PaymentsForProceedsFromOtherLoansAndLeases	6099000000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	157000000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	82000000	USD
	us-gaap	Payments To Acquire Loans And Leases Held For Investment PaymentsToAcquireLoansAndLeasesHeldForInvestment	771000000	USD
	us-gaap	Payments To Acquire Loans And Leases Held For Investment PaymentsToAcquireLoansAndLeasesHeldForInvestment	1248000000	USD
	hban	Netcashpaidforbranchdisposition Netcashpaidforbranchdisposition	-618000000	USD
	hban	Netcashpaidforbranchdisposition Netcashpaidforbranchdisposition	0	USD
	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-98000000	USD
	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-54000000	USD
	us-gaap	Payments For Repurchase Of Preferred Stock And Preference Stock PaymentsForRepurchaseOfPreferredStockAndPreferenceStock	0	USD
	us-gaap	Proceeds From Issuance Of Preferred Stock And Preference Stock ProceedsFromIssuanceOfPreferredStockAndPreferenceStock	486000000	USD
	us-gaap	Proceeds From Issuance Of Preferred Stock And Preference Stock ProceedsFromIssuanceOfPreferredStockAndPreferenceStock	988000000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	789000000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-6152000000	USD
	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	5136000000	USD
	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	12807000000	USD
	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	-1062000000	USD
	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	-2306000000	USD
	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	646000000	USD
	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	1348000000	USD
	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	2649000000	USD
	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	2218000000	USD
	us-gaap	Payments Of Dividends Preferred Stock And Preference Stock PaymentsOfDividendsPreferredStockAndPreferenceStock	109000000	USD
	us-gaap	Payments Of Dividends Preferred Stock And Preference Stock PaymentsOfDividendsPreferredStockAndPreferenceStock	55000000	USD
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	531000000	USD
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	460000000	USD
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	500000000	USD
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	88000000	USD
	us-gaap	Payments For Repurchase Of Preferred Stock And Preference Stock PaymentsForRepurchaseOfPreferredStockAndPreferenceStock	600000000	USD
	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-21000000	USD
	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-18000000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	796000000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	9998000000	USD
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	3150000000	USD
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	5105000000	USD
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	6595000000	USD
	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	-67000000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	1170000000	USD
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	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	3657000000	USD
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Held To Maturity Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities	3073000000	USD
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Held To Maturity Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities	2028000000	USD
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CY2021Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	9745000000	USD
CY2020Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	6275000000	USD
	us-gaap	Interest Paid Net InterestPaidNet	135000000	USD
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	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	262000000	USD
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	us-gaap	Transfer Of Portfolio Loans And Leases To Held For Sale1 TransferOfPortfolioLoansAndLeasesToHeldForSale1	385000000	USD
	us-gaap	Transfer Of Portfolio Loans And Leases To Held For Sale1 TransferOfPortfolioLoansAndLeasesToHeldForSale1	839000000	USD
	us-gaap	Transfer Of Loans Held For Sale To Portfolio Loans1 TransferOfLoansHeldForSaleToPortfolioLoans1	83000000	USD
	us-gaap	Transfer Of Loans Held For Sale To Portfolio Loans1 TransferOfLoansHeldForSaleToPortfolioLoans1	37000000	USD
	hban	Available For Sale Securities Transferred To Held To Maturity Securities AvailableForSaleSecuritiesTransferredToHeldToMaturitySecurities	3007000000	USD
	hban	Available For Sale Securities Transferred To Held To Maturity Securities AvailableForSaleSecuritiesTransferredToHeldToMaturitySecurities	1520000000	USD
CY2021Q2	us-gaap	Business Combination Acquired Receivables Gross Contractual Amount BusinessCombinationAcquiredReceivablesGrossContractualAmount	33773000000	USD
CY2021Q2	hban	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Loans And Leases Receivable BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLoansAndLeasesReceivable	33156000000	USD
CY2021Q3	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	25653000000	USD
CY2021Q3	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	212000000	USD
CY2021Q3	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	211000000	USD
CY2021Q3	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	25654000000	USD
CY2021Q3	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	12455000000	USD
CY2021Q3	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Gain HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	202000000	USD
CY2021Q3	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	38000000	USD
CY2021Q3	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	12619000000	USD
CY2021Q3	us-gaap	Equity Securities Fv Ni Cost EquitySecuritiesFvNiCost	649000000	USD
CY2021Q3	hban	Equity Securities Fvni Accumulated Gross Unrealized Gainbefore Tax EquitySecuritiesFVNIAccumulatedGrossUnrealizedGainbeforeTax	0	USD
CY2021Q3	hban	Equity Securities Fvni Accumulated Gross Unrealized Lossbefore Tax EquitySecuritiesFVNIAccumulatedGrossUnrealizedLossbeforeTax	0	USD
CY2021Q3	us-gaap	Equity Securities Fv Ni EquitySecuritiesFvNi	649000000	USD
CY2020Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	16175000000	USD
CY2020Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	344000000	USD
CY2020Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	34000000	USD
CY2020Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	16485000000	USD
CY2020Q4	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	8861000000	USD
CY2020Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Gain HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	394000000	USD
CY2020Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	0	USD
CY2020Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	9255000000	USD
CY2020Q4	us-gaap	Equity Securities Fv Ni Cost EquitySecuritiesFvNiCost	417000000	USD
CY2020Q4	hban	Equity Securities Fvni Accumulated Gross Unrealized Gainbefore Tax EquitySecuritiesFVNIAccumulatedGrossUnrealizedGainbeforeTax	1000000	USD
CY2020Q4	hban	Equity Securities Fvni Accumulated Gross Unrealized Lossbefore Tax EquitySecuritiesFVNIAccumulatedGrossUnrealizedLossbeforeTax	0	USD
CY2020Q4	us-gaap	Equity Securities Fv Ni EquitySecuritiesFvNi	418000000	USD
CY2021Q3	us-gaap	Available For Sale Securities Debt Maturities Within One Year Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost	354000000	USD
CY2021Q3	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	351000000	USD
CY2020Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost	308000000	USD
CY2020Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	304000000	USD
CY2021Q3	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost	1665000000	USD
CY2021Q3	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	1668000000	USD
CY2020Q4	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost	1145000000	USD
CY2020Q4	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	1154000000	USD
CY2021Q3	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost	2935000000	USD
CY2021Q3	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	2962000000	USD
CY2020Q4	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost	1607000000	USD
CY2020Q4	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	1654000000	USD
CY2021Q3	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost	20699000000	USD
CY2021Q3	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue	20673000000	USD
CY2020Q4	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost	13115000000	USD
CY2020Q4	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue	13373000000	USD
CY2021Q3	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	25653000000	USD
CY2021Q3	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	25654000000	USD
CY2020Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	16175000000	USD
CY2020Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	16485000000	USD
CY2021Q3	us-gaap	Held To Maturity Securities Debt Maturities After One Through Five Years Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsNetCarryingAmount	80000000	USD
CY2021Q3	us-gaap	Held To Maturity Securities Debt Maturities After One Through Five Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	83000000	USD
CY2020Q4	us-gaap	Held To Maturity Securities Debt Maturities After One Through Five Years Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsNetCarryingAmount	160000000	USD
CY2020Q4	us-gaap	Held To Maturity Securities Debt Maturities After One Through Five Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	169000000	USD
CY2021Q3	us-gaap	Held To Maturity Securities Debt Maturities After Five Through Ten Years Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsNetCarryingAmount	70000000	USD
CY2021Q3	us-gaap	Held To Maturity Securities Debt Maturities After Five Through Ten Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	72000000	USD
CY2020Q4	us-gaap	Held To Maturity Securities Debt Maturities After Five Through Ten Years Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsNetCarryingAmount	131000000	USD
CY2020Q4	us-gaap	Held To Maturity Securities Debt Maturities After Five Through Ten Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	138000000	USD
CY2021Q3	us-gaap	Held To Maturity Securities Debt Maturities After Ten Years Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsNetCarryingAmount	12305000000	USD
CY2021Q3	us-gaap	Held To Maturity Securities Debt Maturities After Ten Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsFairValue	12464000000	USD
CY2020Q4	us-gaap	Held To Maturity Securities Debt Maturities After Ten Years Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsNetCarryingAmount	8570000000	USD
CY2020Q4	us-gaap	Held To Maturity Securities Debt Maturities After Ten Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsFairValue	8948000000	USD
CY2021Q3	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	12455000000	USD
CY2021Q3	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	12619000000	USD
CY2020Q4	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	8861000000	USD
CY2020Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	9255000000	USD
CY2021Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	14062000000	USD
CY2021Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	190000000	USD
CY2021Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	557000000	USD
CY2021Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	21000000	USD
CY2021Q3	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	14619000000	USD
CY2021Q3	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	211000000	USD
CY2021Q3	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	5701000000	USD
CY2021Q3	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	38000000	USD
CY2021Q3	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	0	USD
CY2021Q3	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	0	USD
CY2021Q3	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue	5701000000	USD
CY2021Q3	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPositionAccumulatedLoss	38000000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	2432000000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	22000000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	490000000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	12000000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	2922000000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	34000000	USD
CY2021Q2	hban	Available For Sale Securities Transferred To Held To Maturity Securities AvailableForSaleSecuritiesTransferredToHeldToMaturitySecurities	3000000000	USD
CY2021Q2	hban	Unrealized Net Losses Recognized In Oci At Time Of Transfer Of Available For Sale Securities Transferred To Held To Maturity Securities UnrealizedNetLossesRecognizedInOCIAtTimeOfTransferOfAvailableForSaleSecuritiesTransferredToHeldToMaturitySecurities	2000000	USD
CY2021Q3	us-gaap	Pledged Financial Instruments Not Separately Reported Securities For Other Debt Facilities PledgedFinancialInstrumentsNotSeparatelyReportedSecuritiesForOtherDebtFacilities	23200000000	USD
CY2020Q4	us-gaap	Pledged Financial Instruments Not Separately Reported Securities For Other Debt Facilities PledgedFinancialInstrumentsNotSeparatelyReportedSecuritiesForOtherDebtFacilities	14400000000	USD
CY2021Q3	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	110567000000	USD
CY2020Q4	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	81608000000	USD
CY2021Q3	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	2107000000	USD
CY2020Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	1814000000	USD
CY2021Q3	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	108460000000	USD
CY2020Q4	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	79794000000	USD
CY2021Q3	us-gaap	Loans And Leases Receivable Deferred Income LoansAndLeasesReceivableDeferredIncome	-85000000	USD
CY2020Q4	us-gaap	Loans And Leases Receivable Deferred Income LoansAndLeasesReceivableDeferredIncome	171000000	USD
CY2021Q3	us-gaap	Residual Value Of Leased Asset ResidualValueOfLeasedAsset	463000000	USD
CY2020Q4	us-gaap	Residual Value Of Leased Asset ResidualValueOfLeasedAsset	93000000	USD
CY2021Q3	us-gaap	Sales Type And Direct Financing Leases Lease Receivable Payments To Be Received SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceived	4600000000	USD
CY2021Q3	us-gaap	Sales Type And Direct Financing Leases Lease Receivable Payments To Be Received Next Twelve Months SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedNextTwelveMonths	800000000	USD
CY2021Q3	us-gaap	Sales Type And Direct Financing Leases Lease Receivable Payments To Be Received Two Years SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedTwoYears	800000000	USD
CY2021Q3	us-gaap	Sales Type And Direct Financing Leases Lease Receivable Payments To Be Received Three Years SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedThreeYears	800000000	USD
CY2021Q3	us-gaap	Sales Type And Direct Financing Leases Lease Receivable Payments To Be Received Four Years SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedFourYears	800000000	USD
CY2021Q3	us-gaap	Sales Type And Direct Financing Leases Lease Receivable Payments To Be Received Five Years SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedFiveYears	700000000	USD
CY2021Q3	us-gaap	Sales Type And Direct Financing Leases Lease Receivable Payments To Be Received Thereafter SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedThereafter	700000000	USD
CY2020Q3	us-gaap	Direct Financing Lease Interest Income DirectFinancingLeaseInterestIncome	26000000	USD
CY2021Q3	us-gaap	Direct Financing Lease Interest Income DirectFinancingLeaseInterestIncome	73000000	USD
	us-gaap	Direct Financing Lease Interest Income DirectFinancingLeaseInterestIncome	154000000	USD
	us-gaap	Direct Financing Lease Interest Income DirectFinancingLeaseInterestIncome	81000000	USD
CY2021Q3	us-gaap	Financing Receivable Nonaccrual No Allowance FinancingReceivableNonaccrualNoAllowance	170000000	USD
CY2021Q3	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	861000000	USD
CY2020Q4	us-gaap	Financing Receivable Nonaccrual No Allowance FinancingReceivableNonaccrualNoAllowance	77000000	USD
CY2020Q4	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	532000000	USD
CY2021Q3	us-gaap	Financing Receivable Recorded Investment Past Due FinancingReceivableRecordedInvestmentPastDue	949000000	USD
CY2021Q3	us-gaap	Financing Receivable Recorded Investment Current FinancingReceivableRecordedInvestmentCurrent	109479000000	USD
CY2021Q3	us-gaap	Loans Receivable Fair Value Disclosure LoansReceivableFairValueDisclosure	139000000	USD
CY2021Q3	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	110567000000	USD
CY2021Q3	us-gaap	Financing Receivable Recorded Investment90 Days Past Due And Still Accruing FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing	175000000	USD
CY2020Q4	us-gaap	Financing Receivable Recorded Investment Past Due FinancingReceivableRecordedInvestmentPastDue	819000000	USD
CY2020Q4	us-gaap	Financing Receivable Recorded Investment Current FinancingReceivableRecordedInvestmentCurrent	80695000000	USD
CY2020Q4	us-gaap	Loans Receivable Fair Value Disclosure LoansReceivableFairValueDisclosure	94000000	USD
CY2020Q4	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	81608000000	USD
CY2020Q4	us-gaap	Financing Receivable Recorded Investment90 Days Past Due And Still Accruing FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing	171000000	USD
CY2021Q3	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	702	contract
CY2021Q3	us-gaap	Financing Receivable Modifications Post Modification Recorded Investment2 FinancingReceivableModificationsPostModificationRecordedInvestment2	18000000	USD
CY2020Q3	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	1251	contract
CY2020Q3	us-gaap	Financing Receivable Modifications Post Modification Recorded Investment2 FinancingReceivableModificationsPostModificationRecordedInvestment2	85000000	USD
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CY2021Q3	us-gaap	Loans And Leases Receivable Collateral For Secured Borrowings LoansAndLeasesReceivableCollateralForSecuredBorrowings	45900000000	USD
CY2020Q4	us-gaap	Loans And Leases Receivable Collateral For Secured Borrowings LoansAndLeasesReceivableCollateralForSecuredBorrowings	43000000000	USD
CY2021Q2	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	2218000000	USD
CY2021Q3	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	106000000	USD
CY2021Q3	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	51000000	USD
CY2021Q3	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	-56000000	USD
CY2021Q3	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	2107000000	USD
CY2021Q2	us-gaap	Off Balance Sheet Credit Loss Liability OffBalanceSheetCreditLossLiability	104000000	USD
CY2021Q3	us-gaap	Off Balance Sheet Credit Loss Liability Credit Loss Expense Reversal OffBalanceSheetCreditLossLiabilityCreditLossExpenseReversal	-6000000	USD
CY2021Q3	us-gaap	Off Balance Sheet Credit Loss Liability OffBalanceSheetCreditLossLiability	98000000	USD
CY2021Q3	hban	Financing Receivable Allowance For Credit Loss And Off Balance Sheet Credit Loss Liability FinancingReceivableAllowanceForCreditLossAndOffBalanceSheetCreditLossLiability	2205000000	USD
CY2020Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	1814000000	USD
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CY2021Q3	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	2107000000	USD
CY2020Q4	us-gaap	Off Balance Sheet Credit Loss Liability OffBalanceSheetCreditLossLiability	52000000	USD
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CY2021Q3	us-gaap	Off Balance Sheet Credit Loss Liability OffBalanceSheetCreditLossLiability	98000000	USD
CY2021Q3	hban	Financing Receivable Allowance For Credit Loss And Off Balance Sheet Credit Loss Liability FinancingReceivableAllowanceForCreditLossAndOffBalanceSheetCreditLossLiability	2205000000	USD
CY2020Q2	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	1702000000	USD
CY2020Q3	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	141000000	USD
CY2020Q3	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	28000000	USD
CY2020Q3	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	207000000	USD
CY2020Q3	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	1796000000	USD
CY2020Q2	us-gaap	Off Balance Sheet Credit Loss Liability OffBalanceSheetCreditLossLiability	119000000	USD
CY2020Q3	us-gaap	Off Balance Sheet Credit Loss Liability Credit Loss Expense Reversal OffBalanceSheetCreditLossLiabilityCreditLossExpenseReversal	-30000000	USD
CY2020Q3	hban	Off Balance Sheet Credit Loss Liability Additions Reductions OffBalanceSheetCreditLossLiabilityAdditionsReductions	7000000	USD
CY2020Q3	us-gaap	Off Balance Sheet Credit Loss Liability OffBalanceSheetCreditLossLiability	82000000	USD
CY2020Q3	hban	Financing Receivable Allowance For Credit Loss And Off Balance Sheet Credit Loss Liability FinancingReceivableAllowanceForCreditLossAndOffBalanceSheetCreditLossLiability	1878000000	USD
CY2019Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	783000000	USD
	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	400000000	USD
	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	63000000	USD
	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	959000000	USD
CY2020Q3	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	1796000000	USD
CY2019Q4	us-gaap	Off Balance Sheet Credit Loss Liability OffBalanceSheetCreditLossLiability	104000000	USD
	us-gaap	Off Balance Sheet Credit Loss Liability Credit Loss Expense Reversal OffBalanceSheetCreditLossLiabilityCreditLossExpenseReversal	-14000000	USD
	hban	Off Balance Sheet Credit Loss Liability Additions Reductions OffBalanceSheetCreditLossLiabilityAdditionsReductions	10000000	USD
CY2020Q3	us-gaap	Off Balance Sheet Credit Loss Liability OffBalanceSheetCreditLossLiability	82000000	USD
CY2020Q3	hban	Financing Receivable Allowance For Credit Loss And Off Balance Sheet Credit Loss Liability FinancingReceivableAllowanceForCreditLossAndOffBalanceSheetCreditLossLiability	1878000000	USD
CY2021Q3	hban	Financing Receivable Allowance For Credit Loss And Off Balance Sheet Credit Loss Liability FinancingReceivableAllowanceForCreditLossAndOffBalanceSheetCreditLossLiability	2200000000	USD
	us-gaap	Financing Receivable Allowance For Credit Losses Period Increase Decrease FinancingReceivableAllowanceForCreditLossesPeriodIncreaseDecrease	339000000	USD
CY2020Q4	hban	Financing Receivable Allowance For Credit Loss And Off Balance Sheet Credit Loss Liability FinancingReceivableAllowanceForCreditLossAndOffBalanceSheetCreditLossLiability	1900000000	USD
	us-gaap	Financing Receivable Allowance For Credit Loss Purchased With Credit Deterioration Increase FinancingReceivableAllowanceForCreditLossPurchasedWithCreditDeteriorationIncrease	432000000	USD
	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	4	Reportable_segment
CY2020Q4	us-gaap	Goodwill Goodwill	1990000000	USD
	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	3326000000	USD
CY2021Q3	us-gaap	Goodwill Goodwill	5316000000	USD
CY2021Q3	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	497000000	USD
CY2021Q3	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	242000000	USD
CY2021Q3	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	255000000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	411000000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	220000000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	191000000	USD
CY2021Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Remainder Of Fiscal Year FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear	14000000	USD
CY2021Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	53000000	USD
CY2021Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	49000000	USD
CY2021Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	45000000	USD
CY2021Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	42000000	USD
CY2021Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	29000000	USD
CY2021Q3	us-gaap	Short Term Borrowings ShortTermBorrowings	435000000	USD
CY2020Q4	us-gaap	Short Term Borrowings ShortTermBorrowings	183000000	USD
CY2021Q3	us-gaap	Long Term Debt LongTermDebt	7779000000	USD
CY2020Q4	us-gaap	Long Term Debt LongTermDebt	8352000000	USD
CY2021Q3	us-gaap	Other Comprehensive Income Loss Before Tax OtherComprehensiveIncomeLossBeforeTax	-145000000	USD
CY2021Q3	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	-39000000	USD
CY2021Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-106000000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Loss Before Tax OtherComprehensiveIncomeLossBeforeTax	-43000000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	-10000000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-33000000	USD
	us-gaap	Other Comprehensive Income Loss Before Tax OtherComprehensiveIncomeLossBeforeTax	-411000000	USD
	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	-94000000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-317000000	USD
	us-gaap	Other Comprehensive Income Loss Before Tax OtherComprehensiveIncomeLossBeforeTax	659000000	USD
	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	146000000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	513000000	USD
CY2021Q3	us-gaap	Oci Before Reclassifications Net Of Tax Attributable To Parent OciBeforeReclassificationsNetOfTaxAttributableToParent	-113000000	USD
CY2021Q3	us-gaap	Reclassification From Aoci Current Period Net Of Tax Attributable To Parent ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent	-7000000	USD
CY2021Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-106000000	USD
CY2020Q3	us-gaap	Oci Before Reclassifications Net Of Tax Attributable To Parent OciBeforeReclassificationsNetOfTaxAttributableToParent	-40000000	USD
CY2020Q3	us-gaap	Reclassification From Aoci Current Period Net Of Tax Attributable To Parent ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent	-7000000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-33000000	USD
	us-gaap	Oci Before Reclassifications Net Of Tax Attributable To Parent OciBeforeReclassificationsNetOfTaxAttributableToParent	-347000000	USD
	us-gaap	Reclassification From Aoci Current Period Net Of Tax Attributable To Parent ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent	-30000000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-317000000	USD
	us-gaap	Oci Before Reclassifications Net Of Tax Attributable To Parent OciBeforeReclassificationsNetOfTaxAttributableToParent	492000000	USD
	us-gaap	Reclassification From Aoci Current Period Net Of Tax Attributable To Parent ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent	-21000000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	513000000	USD
CY2021Q3	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	657500	shares
CY2021Q3	us-gaap	Preferred Stock Value Outstanding PreferredStockValueOutstanding	2267000000	USD
CY2021Q3	us-gaap	Preferred Stock Liquidation Preference PreferredStockLiquidationPreference	1000
CY2021Q3	hban	Depositary Shares Redeemed DepositarySharesRedeemed	24000000	shares
CY2021Q3	hban	Depositary Share Redemption Price DepositaryShareRedemptionPrice	25.00
CY2021Q3	hban	Depositary Share Redemption Declared And Unpaid Dividends DepositaryShareRedemptionDeclaredAndUnpaidDividends	0.390625
CY2021Q3	us-gaap	Dividends Preferred Stock Cash DividendsPreferredStockCash	29000000	USD
CY2020Q3	us-gaap	Dividends Preferred Stock Cash DividendsPreferredStockCash	28000000	USD
	us-gaap	Dividends Preferred Stock Cash DividendsPreferredStockCash	103000000	USD
	us-gaap	Dividends Preferred Stock Cash DividendsPreferredStockCash	65000000	USD
CY2021Q1	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	1500000000	shares
CY2021Q2	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	2250000000	shares
CY2021Q3	us-gaap	Stock Repurchase Program Authorized Amount1 StockRepurchaseProgramAuthorizedAmount1	800000000	USD
CY2021Q3	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	500000000	USD
CY2021Q3	us-gaap	Stock Repurchased And Retired During Period Shares StockRepurchasedAndRetiredDuringPeriodShares	33400000	shares
CY2021Q3	us-gaap	Treasury Stock Acquired Average Cost Per Share TreasuryStockAcquiredAverageCostPerShare	14.96
CY2021Q3	us-gaap	Treasury Stock Value TreasuryStockValue	79000000	USD
CY2020Q4	us-gaap	Treasury Stock Value TreasuryStockValue	59000000	USD
CY2021Q3	us-gaap	Net Income Loss NetIncomeLoss	377000000	USD
CY2020Q3	us-gaap	Net Income Loss NetIncomeLoss	303000000	USD
	us-gaap	Net Income Loss NetIncomeLoss	894000000	USD
	us-gaap	Net Income Loss NetIncomeLoss	501000000	USD
CY2021Q3	us-gaap	Dividends Preferred Stock DividendsPreferredStock	29000000	USD
CY2020Q3	us-gaap	Dividends Preferred Stock DividendsPreferredStock	28000000	USD
	us-gaap	Dividends Preferred Stock DividendsPreferredStock	103000000	USD
	us-gaap	Dividends Preferred Stock DividendsPreferredStock	65000000	USD
CY2021Q3	us-gaap	Other Preferred Stock Dividends And Adjustments OtherPreferredStockDividendsAndAdjustments	15000000	USD
CY2020Q3	us-gaap	Other Preferred Stock Dividends And Adjustments OtherPreferredStockDividendsAndAdjustments	0	USD
	us-gaap	Other Preferred Stock Dividends And Adjustments OtherPreferredStockDividendsAndAdjustments	15000000	USD
	us-gaap	Other Preferred Stock Dividends And Adjustments OtherPreferredStockDividendsAndAdjustments	0	USD
CY2021Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	333000000	USD
CY2020Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	275000000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	776000000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	436000000	USD
CY2021Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	1462736000	shares
CY2020Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	1017253000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	1201763000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	1017052000	shares
CY2021Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.23
CY2020Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.27
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.65
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.43
CY2021Q3	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	17536000	shares
CY2020Q3	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	9005000	shares
	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	17623000	shares
	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	9628000	shares
CY2021Q3	us-gaap	Incremental Common Shares Attributable To Contingently Issuable Shares IncrementalCommonSharesAttributableToContingentlyIssuableShares	7063000	shares
CY2020Q3	us-gaap	Incremental Common Shares Attributable To Contingently Issuable Shares IncrementalCommonSharesAttributableToContingentlyIssuableShares	5202000	shares
	us-gaap	Incremental Common Shares Attributable To Contingently Issuable Shares IncrementalCommonSharesAttributableToContingentlyIssuableShares	6042000	shares
	us-gaap	Incremental Common Shares Attributable To Contingently Issuable Shares IncrementalCommonSharesAttributableToContingentlyIssuableShares	4893000	shares
CY2021Q3	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	24599000	shares
CY2020Q3	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	14207000	shares
	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	23665000	shares
	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	14521000	shares
CY2021Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	1487335000	shares
CY2020Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	1031460000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	1225428000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	1031573000	shares
CY2021Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.22
CY2020Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.27
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.63
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.42
CY2021Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	315000000	USD
CY2020Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	224000000	USD
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	794000000	USD
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	652000000	USD
CY2021Q3	us-gaap	Noninterest Income Other NoninterestIncomeOther	220000000	USD
CY2020Q3	us-gaap	Noninterest Income Other NoninterestIncomeOther	206000000	USD
	us-gaap	Noninterest Income Other NoninterestIncomeOther	580000000	USD
	us-gaap	Noninterest Income Other NoninterestIncomeOther	530000000	USD
CY2021Q3	us-gaap	Noninterest Income NoninterestIncome	535000000	USD
CY2020Q3	us-gaap	Noninterest Income NoninterestIncome	430000000	USD
	us-gaap	Noninterest Income NoninterestIncome	1374000000	USD
	us-gaap	Noninterest Income NoninterestIncome	1182000000	USD
CY2021Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	315000000	USD
CY2021Q3	us-gaap	Noninterest Income Other NoninterestIncomeOther	220000000	USD
CY2021Q3	us-gaap	Noninterest Income NoninterestIncome	535000000	USD
CY2020Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	224000000	USD
CY2020Q3	us-gaap	Noninterest Income Other NoninterestIncomeOther	206000000	USD
CY2020Q3	us-gaap	Noninterest Income NoninterestIncome	430000000	USD
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	794000000	USD
	us-gaap	Noninterest Income Other NoninterestIncomeOther	580000000	USD
	us-gaap	Noninterest Income NoninterestIncome	1374000000	USD
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	652000000	USD
	us-gaap	Noninterest Income Other NoninterestIncomeOther	530000000	USD
	us-gaap	Noninterest Income NoninterestIncome	1182000000	USD
CY2021Q3	us-gaap	Loans Receivable Fair Value Disclosure LoansReceivableFairValueDisclosure	139000000	USD
CY2020Q4	us-gaap	Loans Receivable Fair Value Disclosure LoansReceivableFairValueDisclosure	94000000	USD
CY2020Q4	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis With Unobservable Inputs FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisWithUnobservableInputs	41000000	USD
	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Transfers Out Of Level3 FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationTransfersOutOfLevel3	109000000	USD
	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Gain Loss Included In Earnings FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationGainLossIncludedInEarnings	73000000	USD
	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Gain Loss Included In Other Comprehensive Income Loss FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationGainLossIncludedInOtherComprehensiveIncomeLoss	0	USD
	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Purchases FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationPurchases	7000000	USD
	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Settlements FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationSettlements	0	USD
CY2021Q3	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis With Unobservable Inputs FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisWithUnobservableInputs	12000000	USD
	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis Change In Unrealized Gain Loss FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisChangeInUnrealizedGainLoss	-33000000	USD
CY2019Q4	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis With Unobservable Inputs FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisWithUnobservableInputs	-6000000	USD
	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Transfers Out Of Level3 FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationTransfersOutOfLevel3	139000000	USD
	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Gain Loss Included In Earnings FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationGainLossIncludedInEarnings	181000000	USD
	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Gain Loss Included In Other Comprehensive Income Loss FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationGainLossIncludedInOtherComprehensiveIncomeLoss	0	USD
	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Purchases FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationPurchases	0	USD
	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Settlements FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationSettlements	0	USD
CY2020Q3	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis With Unobservable Inputs FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisWithUnobservableInputs	48000000	USD
	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis Change In Unrealized Gain Loss FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisChangeInUnrealizedGainLoss	-42000000	USD
	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Gain Loss Included In Earnings FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationGainLossIncludedInEarnings	73000000	USD
	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Gain Loss Included In Earnings FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationGainLossIncludedInEarnings	181000000	USD
CY2021Q3	us-gaap	Loans Held For Sale Fair Value Disclosure LoansHeldForSaleFairValueDisclosure	1297000000	USD
CY2020Q4	us-gaap	Loans Held For Sale Fair Value Disclosure LoansHeldForSaleFairValueDisclosure	1198000000	USD
CY2021Q3	us-gaap	Derivative Notional Amount DerivativeNotionalAmount	20324000000	USD
CY2020Q4	us-gaap	Derivative Notional Amount DerivativeNotionalAmount	33327000000	USD
CY2021Q3	hban	Increase Decrease To Net Interest Income Due To Derivative Adjustment IncreaseDecreaseToNetInterestIncomeDueToDerivativeAdjustment	61000000	USD
CY2020Q3	hban	Increase Decrease To Net Interest Income Due To Derivative Adjustment IncreaseDecreaseToNetInterestIncomeDueToDerivativeAdjustment	82000000	USD
	hban	Increase Decrease To Net Interest Income Due To Derivative Adjustment IncreaseDecreaseToNetInterestIncomeDueToDerivativeAdjustment	291000000	USD
	hban	Increase Decrease To Net Interest Income Due To Derivative Adjustment IncreaseDecreaseToNetInterestIncomeDueToDerivativeAdjustment	151000000	USD
	hban	Fairvaluehedgingadjustments Fairvaluehedgingadjustments	35000000	USD
CY2020	hban	Fairvaluehedgingadjustments Fairvaluehedgingadjustments	62000000	USD
CY2021Q3	us-gaap	Gain Loss On Interest Rate Cash Flow Hedge Ineffectiveness GainLossOnInterestRateCashFlowHedgeIneffectiveness	-29000000	USD
CY2020Q3	us-gaap	Gain Loss On Interest Rate Cash Flow Hedge Ineffectiveness GainLossOnInterestRateCashFlowHedgeIneffectiveness	-40000000	USD
	us-gaap	Gain Loss On Interest Rate Cash Flow Hedge Ineffectiveness GainLossOnInterestRateCashFlowHedgeIneffectiveness	-102000000	USD
	us-gaap	Gain Loss On Interest Rate Cash Flow Hedge Ineffectiveness GainLossOnInterestRateCashFlowHedgeIneffectiveness	279000000	USD
	us-gaap	Derivative Remaining Maturity1 DerivativeRemainingMaturity1	P1Y
CY2021Q3	hban	Credit Risks From Interest Rate Swaps Used For Trading Purposes CreditRisksFromInterestRateSwapsUsedForTradingPurposes	787000000	USD
CY2020Q4	hban	Credit Risks From Interest Rate Swaps Used For Trading Purposes CreditRisksFromInterestRateSwapsUsedForTradingPurposes	882000000	USD
	hban	Derivative Numberof Primary Groups Entered Into Derivative Transactions DerivativeNumberofPrimaryGroupsEnteredIntoDerivativeTransactions	2	group
CY2021Q3	hban	Aggregate Credit Risk Net Of Collateral AggregateCreditRiskNetOfCollateral	113000000	USD
CY2020Q4	hban	Aggregate Credit Risk Net Of Collateral AggregateCreditRiskNetOfCollateral	175000000	USD
CY2021Q3	us-gaap	Collateral Already Posted Aggregate Fair Value CollateralAlreadyPostedAggregateFairValue	486000000	USD
CY2021Q3	hban	Investment Securities And Cash Collateral Pledged To Company InvestmentSecuritiesAndCashCollateralPledgedToCompany	264000000	USD
CY2021Q3	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	1586000000	USD
CY2021Q3	us-gaap	Derivative Asset Fair Value Gross Liability And Obligation To Return Cash Offset DerivativeAssetFairValueGrossLiabilityAndObligationToReturnCashOffset	686000000	USD
CY2021Q3	us-gaap	Derivative Assets DerivativeAssets	900000000	USD
CY2021Q3	us-gaap	Derivative Collateral Obligation To Return Securities DerivativeCollateralObligationToReturnSecurities	81000000	USD
CY2021Q3	us-gaap	Derivative Collateral Obligation To Return Cash DerivativeCollateralObligationToReturnCash	61000000	USD
CY2021Q3	us-gaap	Derivative Fair Value Of Derivative Asset Amount Offset Against Collateral DerivativeFairValueOfDerivativeAssetAmountOffsetAgainstCollateral	758000000	USD
CY2020Q4	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	1946000000	USD
CY2020Q4	us-gaap	Derivative Asset Fair Value Gross Liability And Obligation To Return Cash Offset DerivativeAssetFairValueGrossLiabilityAndObligationToReturnCashOffset	889000000	USD
CY2020Q4	us-gaap	Derivative Assets DerivativeAssets	1057000000	USD
CY2020Q4	us-gaap	Derivative Collateral Obligation To Return Securities DerivativeCollateralObligationToReturnSecurities	112000000	USD
CY2020Q4	us-gaap	Derivative Collateral Obligation To Return Cash DerivativeCollateralObligationToReturnCash	142000000	USD
CY2020Q4	us-gaap	Derivative Fair Value Of Derivative Asset Amount Offset Against Collateral DerivativeFairValueOfDerivativeAssetAmountOffsetAgainstCollateral	803000000	USD
CY2021Q3	us-gaap	Derivative Fair Value Of Derivative Liability DerivativeFairValueOfDerivativeLiability	1063000000	USD
CY2021Q3	us-gaap	Derivative Liability Fair Value Gross Asset And Right To Reclaim Cash Offset DerivativeLiabilityFairValueGrossAssetAndRightToReclaimCashOffset	813000000	USD
CY2021Q3	us-gaap	Derivative Liabilities DerivativeLiabilities	250000000	USD
CY2021Q3	us-gaap	Derivative Collateral Right To Reclaim Securities DerivativeCollateralRightToReclaimSecurities	0	USD
CY2021Q3	us-gaap	Derivative Collateral Right To Reclaim Cash DerivativeCollateralRightToReclaimCash	225000000	USD
CY2021Q3	us-gaap	Derivative Fair Value Of Derivative Liability Amount Offset Against Collateral DerivativeFairValueOfDerivativeLiabilityAmountOffsetAgainstCollateral	25000000	USD
CY2020Q4	us-gaap	Derivative Fair Value Of Derivative Liability DerivativeFairValueOfDerivativeLiability	1033000000	USD
CY2020Q4	us-gaap	Derivative Liability Fair Value Gross Asset And Right To Reclaim Cash Offset DerivativeLiabilityFairValueGrossAssetAndRightToReclaimCashOffset	917000000	USD
CY2020Q4	us-gaap	Derivative Liabilities DerivativeLiabilities	116000000	USD
CY2020Q4	us-gaap	Derivative Collateral Right To Reclaim Securities DerivativeCollateralRightToReclaimSecurities	9000000	USD
CY2020Q4	us-gaap	Derivative Collateral Right To Reclaim Cash DerivativeCollateralRightToReclaimCash	105000000	USD
CY2020Q4	us-gaap	Derivative Fair Value Of Derivative Liability Amount Offset Against Collateral DerivativeFairValueOfDerivativeLiabilityAmountOffsetAgainstCollateral	2000000	USD
	hban	Maximumyeartodeferpaymentofintereston Debenture MaximumyeartodeferpaymentofinterestonDebenture	P5Y
	us-gaap	Standby Bond Purchase Commitment Expiration Period StandbyBondPurchaseCommitmentExpirationPeriod	P2Y
	us-gaap	Debt Instrument Maturity Date Description DebtInstrumentMaturityDateDescription	90 days
	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	4	numberOfSegments
CY2021Q3	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	1160000000	USD
CY2021Q3	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	-62000000	USD
CY2021Q3	us-gaap	Noninterest Income NoninterestIncome	535000000	USD
CY2021Q3	us-gaap	Noninterest Expense NoninterestExpense	1289000000	USD
CY2021Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	90000000	USD
CY2021Q3	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	1000000	USD
CY2021Q3	us-gaap	Net Income Loss NetIncomeLoss	377000000	USD
CY2020Q3	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	817000000	USD
CY2020Q3	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	177000000	USD
CY2020Q3	us-gaap	Noninterest Income NoninterestIncome	430000000	USD
CY2020Q3	us-gaap	Noninterest Expense NoninterestExpense	712000000	USD
CY2020Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	55000000	USD
CY2020Q3	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	0	USD
CY2020Q3	us-gaap	Net Income Loss NetIncomeLoss	303000000	USD
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	2970000000	USD
	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	89000000	USD
	us-gaap	Noninterest Income NoninterestIncome	1374000000	USD
CY2021Q3	us-gaap	Deposits Deposits	141898000000	USD
	us-gaap	Noninterest Expense NoninterestExpense	3154000000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	206000000	USD
	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	1000000	USD
	us-gaap	Net Income Loss NetIncomeLoss	894000000	USD
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	2399000000	USD
	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	945000000	USD
	us-gaap	Noninterest Income NoninterestIncome	1182000000	USD
	us-gaap	Noninterest Expense NoninterestExpense	2039000000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	96000000	USD
	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	0	USD
	us-gaap	Net Income Loss NetIncomeLoss	501000000	USD
CY2021Q3	us-gaap	Assets Assets	173878000000	USD
CY2020Q4	us-gaap	Assets Assets	123038000000	USD
CY2020Q4	us-gaap	Deposits Deposits	98948000000	USD

Files In Submission

Name	View Source	Status
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$HBAN
HUNTINGTON BANCSHARES INC /MD/ Stock $hban

2021 Q3 Form 10-Q Financial Statement

#000004919621000096 Filed on November 05, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$HBAN HUNTINGTON BANCSHARES INC /MD/ Stock $hban

2021 Q3 Form 10-Q Financial Statement

#000004919621000096 Filed on November 05, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$HBAN
HUNTINGTON BANCSHARES INC /MD/ Stock $hban