$HBAN
HUNTINGTON BANCSHARES INC /MD/ Stock $hban

$hban Overview Financials Valuation SEC Filings Company Website

2019 Q2 Form 10-Q Financial Statement

#000004919619000054 Filed on July 29, 2019

Income Statement

Concept	2019 Q2	2018 Q2	2018 Q1
Revenue	$1.068B	$972.0M	$914.0M
YoY Change	9.88%	14.89%	11.46%
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	$73.00M	$123.0M	$105.0M
YoY Change	-40.65%	-30850.0%	-50.28%
% of Gross Profit
Operating Expenses
YoY Change
Operating Profit
YoY Change
Interest Expense	$256.0M	$188.0M	$144.0M
YoY Change	36.17%	86.14%	58.24%
% of Operating Profit
Other Income/Expense, Net
YoY Change
Pretax Income	$427.0M	$412.0M	$385.0M
YoY Change	3.64%	17.38%	44.74%
Income Tax	$63.00M	$57.00M	$59.00M
% Of Pretax Income	14.75%	13.83%	15.32%
Net Earnings	$364.0M	$355.0M	$326.0M
YoY Change	2.54%	30.51%	57.49%
Net Earnings / Revenue	34.08%	36.52%	35.67%
Basic Earnings Per Share	$0.33	$0.30	$0.29
Diluted Earnings Per Share	$0.33	$0.30	$0.28
COMMON SHARES
Basic Shares Outstanding	1.045B shares	1.103B shares	1.084B shares
Diluted Shares Outstanding	1.060B shares	1.123B shares	1.125B shares

Balance Sheet

Concept	2019 Q2	2018 Q2	2018 Q1
SHORT-TERM ASSETS
Cash & Short-Term Investments
YoY Change
Cash & Equivalents	$1.598B	$1.382B	$1.069B
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	$774.0M	$840.0M	$847.0M
YoY Change	-7.86%	-1.79%	-0.65%
Goodwill	$1.990B	$1.993B	$1.993B
YoY Change	-0.15%	0.01%	0.01%
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	$108.2B	$105.4B	$104.2B
YoY Change	2.74%	3.9%	4.2%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable
YoY Change
Accrued Expenses	$2.074B	$1.725B	$1.556B
YoY Change	20.23%	19.63%	-5.12%
Deferred Revenue
YoY Change
Short-Term Debt	$4.161B	$2.442B	$2.854B
YoY Change	70.39%	-46.36%	125.89%
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$2.074B	$1.725B	$1.556B
YoY Change	20.23%	19.63%	-5.12%
LONG-TERM LIABILITIES
Long-Term Debt	$8.973B	$9.726B	$8.618B
YoY Change	-7.74%	13.94%	-7.12%
Other Long-Term Liabilities	$489.0M	$406.0M	$439.0M
YoY Change	20.44%	40.97%	10875.0%
Total Long-Term Liabilities	$9.462B	$10.13B	$9.057B
YoY Change	-6.61%	14.82%	-2.43%
TOTAL LIABILITIES
Total Short-Term Liabilities	$2.074B	$1.725B	$1.556B
Total Long-Term Liabilities	$9.462B	$10.13B	$9.057B
Total Liabilities	$96.58B	$93.89B	$92.94B
YoY Change	2.87%	3.45%	3.72%
SHAREHOLDERS EQUITY
Retained Earnings	$1.750B	$990.0M	$780.0M
YoY Change	76.77%	2850.2%	-717.85%
Common Stock	$10.00M	$11.00M	$11.00M
YoY Change	-9.09%	0.62%	0.92%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$52.00M	$40.00M	$34.00M
YoY Change	30.0%	27.84%	27.03%
Treasury Stock Shares	4.299M shares	3.591M shares	3.193M shares
Shareholders Equity	$11.67B	$11.47B	$11.31B
YoY Change
Total Liabilities & Shareholders Equity	$108.2B	$105.4B	$104.2B
YoY Change	2.74%	3.9%	4.2%

Cashflow Statement

Concept	2019 Q2	2018 Q2	2018 Q1
OPERATING ACTIVITIES
Net Income	$364.0M	$355.0M	$326.0M
YoY Change	2.54%	30.51%	57.49%
Depreciation, Depletion And Amortization	$73.00M	$123.0M	$105.0M
YoY Change	-40.65%	-30850.0%	-50.28%
Cash From Operating Activities	$355.0M	$308.0M	$294.0M
YoY Change	15.26%	89.07%	-25.76%
INVESTING ACTIVITIES
Capital Expenditures	-$27.00M	-$22.00M	$16.00M
YoY Change	22.73%	-61.47%	-70.91%
Acquisitions
YoY Change
Other Investing Activities	-$37.00M	-$660.0M	-$17.00M
YoY Change	-94.39%	-16.03%	-383.33%
Cash From Investing Activities	-$64.00M	-$682.0M	-$776.0M
YoY Change	-90.62%	-19.1%	5.43%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net			$48.00M
YoY Change
Debt Paid & Issued, Net			$572.0M
YoY Change			1091.67%
Cash From Financing Activities	-29.00M	687.0M	$31.00M
YoY Change	-104.22%	-22.52%	-88.3%
NET CHANGE
Cash From Operating Activities	355.0M	308.0M	$294.0M
Cash From Investing Activities	-64.00M	-682.0M	-$776.0M
Cash From Financing Activities	-29.00M	687.0M	$31.00M
Net Change In Cash	262.0M	313.0M	-$451.0M
YoY Change	-16.29%	51.5%	501.33%
FREE CASH FLOW
Cash From Operating Activities	$355.0M	$308.0M	$294.0M
Capital Expenditures	-$27.00M	-$22.00M	$16.00M
Free Cash Flow	$382.0M	$330.0M	$278.0M
YoY Change	15.76%	50.0%	-18.48%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
	dei	Amendment Flag AmendmentFlag	false
	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q2
	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2019
	dei	Document Transition Report DocumentTransitionReport	false
	dei	Entity Central Index Key EntityCentralIndexKey	0000049196
	dei	Entity Registrant Name EntityRegistrantName	HUNTINGTON BANCSHARES INC/MD
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	dei	Document Type DocumentType	10-Q
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	dei	Document Period End Date DocumentPeriodEndDate	2019-06-30
	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	Local Phone Number LocalPhoneNumber	480-2265
	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
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CY2018Q2	us-gaap	Debt And Equity Securities Gain Loss DebtAndEquitySecuritiesGainLoss	0	USD
	us-gaap	Debt And Equity Securities Gain Loss DebtAndEquitySecuritiesGainLoss	-2000000	USD
	us-gaap	Debt And Equity Securities Gain Loss DebtAndEquitySecuritiesGainLoss	0	USD
CY2019Q2	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	59000000	USD
CY2018Q2	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	40000000	USD
	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	98000000	USD
CY2018Q2	us-gaap	Noninterest Income NoninterestIncome	336000000	USD
	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	80000000	USD
CY2019Q2	us-gaap	Noninterest Income NoninterestIncome	374000000	USD
	us-gaap	Noninterest Income NoninterestIncome	693000000	USD
	us-gaap	Noninterest Income NoninterestIncome	650000000	USD
CY2019Q2	us-gaap	Labor And Related Expense LaborAndRelatedExpense	428000000	USD
CY2018Q2	us-gaap	Labor And Related Expense LaborAndRelatedExpense	396000000	USD
	us-gaap	Labor And Related Expense LaborAndRelatedExpense	822000000	USD
	us-gaap	Labor And Related Expense LaborAndRelatedExpense	772000000	USD
CY2019Q2	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	89000000	USD
CY2018Q2	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	69000000	USD
	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	170000000	USD
	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	142000000	USD
CY2019Q2	us-gaap	Occupancy Net OccupancyNet	38000000	USD
CY2018Q2	us-gaap	Occupancy Net OccupancyNet	35000000	USD
	us-gaap	Occupancy Net OccupancyNet	80000000	USD
	us-gaap	Occupancy Net OccupancyNet	76000000	USD
CY2019Q2	us-gaap	Equipment Expense EquipmentExpense	40000000	USD
CY2018Q2	us-gaap	Equipment Expense EquipmentExpense	38000000	USD
	us-gaap	Equipment Expense EquipmentExpense	80000000	USD
	us-gaap	Equipment Expense EquipmentExpense	78000000	USD
CY2019Q2	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	8000000	USD
CY2018Q2	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	18000000	USD
	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	16000000	USD
	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	36000000	USD
CY2019Q2	us-gaap	Marketing And Advertising Expense MarketingAndAdvertisingExpense	12000000	USD
CY2018Q2	us-gaap	Marketing And Advertising Expense MarketingAndAdvertisingExpense	15000000	USD
	us-gaap	Marketing And Advertising Expense MarketingAndAdvertisingExpense	24000000	USD
	us-gaap	Marketing And Advertising Expense MarketingAndAdvertisingExpense	26000000	USD
CY2019Q2	us-gaap	Professional Fees ProfessionalFees	11000000	USD
CY2018Q2	us-gaap	Professional Fees ProfessionalFees	18000000	USD
	us-gaap	Professional Fees ProfessionalFees	18000000	USD
	us-gaap	Professional Fees ProfessionalFees	26000000	USD
CY2019Q2	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	12000000	USD
CY2018Q2	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	13000000	USD
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	25000000	USD
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	27000000	USD
CY2019Q2	us-gaap	Other Noninterest Expense OtherNoninterestExpense	62000000	USD
CY2018Q2	us-gaap	Other Noninterest Expense OtherNoninterestExpense	50000000	USD
	us-gaap	Other Noninterest Expense OtherNoninterestExpense	118000000	USD
CY2018Q2	us-gaap	Noninterest Expense NoninterestExpense	652000000	USD
	us-gaap	Noninterest Expense NoninterestExpense	1353000000	USD
	us-gaap	Other Noninterest Expense OtherNoninterestExpense	102000000	USD
CY2019Q2	us-gaap	Noninterest Expense NoninterestExpense	700000000	USD
	us-gaap	Noninterest Expense NoninterestExpense	1285000000	USD
CY2019Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	427000000	USD
CY2018Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	412000000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	848000000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	797000000	USD
CY2019Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	63000000	USD
CY2018Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	57000000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	126000000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	116000000	USD
CY2019Q2	us-gaap	Net Income Loss NetIncomeLoss	364000000	USD
CY2018Q2	us-gaap	Net Income Loss NetIncomeLoss	355000000	USD
	us-gaap	Net Income Loss NetIncomeLoss	722000000	USD
	us-gaap	Net Income Loss NetIncomeLoss	681000000	USD
CY2019Q2	us-gaap	Dividends Preferred Stock DividendsPreferredStock	18000000	USD
CY2018Q2	us-gaap	Dividends Preferred Stock DividendsPreferredStock	21000000	USD
	us-gaap	Dividends Preferred Stock DividendsPreferredStock	37000000	USD
	us-gaap	Dividends Preferred Stock DividendsPreferredStock	33000000	USD
CY2019Q2	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	346000000	USD
CY2018Q2	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	334000000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	685000000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	648000000	USD
CY2019Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	1044802000	shares
CY2018Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	1103337000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	1045899000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	1093587000	shares
CY2019Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	1060280000	shares
CY2018Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	1122612000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	1062959000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	1123646000	shares
CY2019Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.33
CY2018Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.30
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.66
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.59
CY2019Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.33
CY2018Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.30
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.64
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.58
CY2019Q2	us-gaap	Net Income Loss NetIncomeLoss	364000000	USD
CY2018Q2	us-gaap	Net Income Loss NetIncomeLoss	355000000	USD
	us-gaap	Net Income Loss NetIncomeLoss	722000000	USD
	us-gaap	Net Income Loss NetIncomeLoss	681000000	USD
CY2019Q2	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	134000000	USD
CY2018Q2	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-53000000	USD
	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	280000000	USD
	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-203000000	USD
CY2019Q2	us-gaap	Marketable Securities Unrealized Gain Loss MarketableSecuritiesUnrealizedGainLoss	134000000	USD
CY2018Q2	us-gaap	Marketable Securities Unrealized Gain Loss MarketableSecuritiesUnrealizedGainLoss	-53000000	USD
	us-gaap	Marketable Securities Unrealized Gain Loss MarketableSecuritiesUnrealizedGainLoss	280000000	USD
	us-gaap	Marketable Securities Unrealized Gain Loss MarketableSecuritiesUnrealizedGainLoss	-203000000	USD
CY2019Q2	us-gaap	Other Comprehensive Income Loss Derivative Excluded Component Increase Decrease After Adjustments And Tax Parent OtherComprehensiveIncomeLossDerivativeExcludedComponentIncreaseDecreaseAfterAdjustmentsAndTaxParent	47000000	USD
CY2018Q2	us-gaap	Other Comprehensive Income Loss Derivative Excluded Component Increase Decrease After Adjustments And Tax Parent OtherComprehensiveIncomeLossDerivativeExcludedComponentIncreaseDecreaseAfterAdjustmentsAndTaxParent	0	USD
	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Net Of Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax	54000000	USD
	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Net Of Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax	0	USD
CY2019Q2	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-1000000	USD
CY2018Q2	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-1000000	USD
	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	-2000000	USD
CY2019Q2	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	182000000	USD
CY2018Q2	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-52000000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	336000000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-201000000	USD
CY2019Q2	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	546000000	USD
CY2018Q2	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	303000000	USD
	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	1058000000	USD
	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	480000000	USD
CY2019Q1	us-gaap	Stockholders Equity StockholdersEquity	11432000000	USD
CY2019Q2	us-gaap	Net Income Loss NetIncomeLoss	364000000	USD
CY2019Q2	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	182000000	USD
CY2019Q2	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	152000000	USD
CY2019Q2	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	148000000	USD
CY2019Q2	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	31000000	USD
CY2019Q2	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	-17000000	USD
CY2019Q2	us-gaap	Stockholders Equity Other StockholdersEquityOther	6000000	USD
CY2019Q2	us-gaap	Stockholders Equity StockholdersEquity	11668000000	USD
CY2018Q1	us-gaap	Stockholders Equity StockholdersEquity	11308000000	USD
CY2018Q2	us-gaap	Net Income Loss NetIncomeLoss	355000000	USD
CY2018Q2	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-52000000	USD
CY2018Q2	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	122000000	USD
CY2018Q2	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	29000000	USD
CY2018Q2	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	-17000000	USD
CY2018Q2	us-gaap	Stockholders Equity Other StockholdersEquityOther	7000000	USD
CY2018Q2	us-gaap	Stockholders Equity StockholdersEquity	11472000000	USD
CY2018Q4	us-gaap	Stockholders Equity StockholdersEquity	11102000000	USD
	us-gaap	Net Income Loss NetIncomeLoss	722000000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	336000000	USD
	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	177000000	USD
	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	297000000	USD
	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	48000000	USD
	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	-23000000	USD
	us-gaap	Stockholders Equity Other StockholdersEquityOther	6000000	USD
CY2019Q2	us-gaap	Stockholders Equity StockholdersEquity	11668000000	USD
CY2017Q4	us-gaap	Stockholders Equity StockholdersEquity	10814000000	USD
CY2018Q2	us-gaap	New Accounting Pronouncement Or Change In Accounting Principle Cumulative Effect Of Change On Equity Or Net Assets1 NewAccountingPronouncementOrChangeInAccountingPrincipleCumulativeEffectOfChangeOnEquityOrNetAssets1	1000000	USD
CY2018Q2	us-gaap	New Accounting Pronouncement Or Change In Accounting Principle Cumulative Effect Of Change On Equity Or Net Assets1 NewAccountingPronouncementOrChangeInAccountingPrincipleCumulativeEffectOfChangeOnEquityOrNetAssets1	1000000	USD
CY2018Q2	us-gaap	Cumulative Effect Of New Accounting Principle In Period Of Adoption CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption	0	USD
	us-gaap	Net Income Loss NetIncomeLoss	681000000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-201000000	USD
	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	48000000	USD
	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	243000000	USD
	us-gaap	Conversion Of Stock Amount Converted1 ConversionOfStockAmountConverted1	0	USD
	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	44000000	USD
	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	-32000000	USD
	us-gaap	Stockholders Equity Other StockholdersEquityOther	5000000	USD
CY2018Q2	us-gaap	Stockholders Equity StockholdersEquity	11472000000	USD
	us-gaap	Net Income Loss NetIncomeLoss	722000000	USD
	us-gaap	Net Income Loss NetIncomeLoss	681000000	USD
	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	126000000	USD
	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	122000000	USD
	us-gaap	Depreciation And Amortization DepreciationAndAmortization	204000000	USD
	us-gaap	Depreciation And Amortization DepreciationAndAmortization	228000000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	48000000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	44000000	USD
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	29000000	USD
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	139000000	USD
	us-gaap	Increase Decrease In Trading Securities IncreaseDecreaseInTradingSecurities	71000000	USD
	us-gaap	Increase Decrease In Trading Securities IncreaseDecreaseInTradingSecurities	-1000000	USD
	us-gaap	Increase Decrease In Loans Held For Sale IncreaseDecreaseInLoansHeldForSale	97000000	USD
	us-gaap	Increase Decrease In Loans Held For Sale IncreaseDecreaseInLoansHeldForSale	274000000	USD
	hban	Accrued Income And Other Assets AccruedIncomeAndOtherAssets	464000000	USD
	us-gaap	Increase Decrease In Accrued Liabilities And Other Operating Liabilities IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities	-33000000	USD
	hban	Accrued Income And Other Assets AccruedIncomeAndOtherAssets	170000000	USD
	us-gaap	Increase Decrease In Accrued Liabilities And Other Operating Liabilities IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities	362000000	USD
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	295000000	USD
	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	7000000	USD
	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	136000000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	852000000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	602000000	USD
	us-gaap	Proceeds From Payments For In Interest Bearing Deposits In Banks ProceedsFromPaymentsForInInterestBearingDepositsInBanks	-137000000	USD
	us-gaap	Proceeds From Payments For In Interest Bearing Deposits In Banks ProceedsFromPaymentsForInInterestBearingDepositsInBanks	56000000	USD
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	768000000	USD
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	1014000000	USD
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Held To Maturity Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities	380000000	USD
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Held To Maturity Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities	350000000	USD
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Other Investments ProceedsFromMaturitiesPrepaymentsAndCallsOfOtherInvestments	127000000	USD
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Other Investments ProceedsFromMaturitiesPrepaymentsAndCallsOfOtherInvestments	5000000	USD
	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	1546000000	USD
	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	381000000	USD
	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	1890000000	USD
	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	771000000	USD
	us-gaap	Payments To Acquire Held To Maturity Securities PaymentsToAcquireHeldToMaturitySecurities	516000000	USD
	us-gaap	Payments To Acquire Held To Maturity Securities PaymentsToAcquireHeldToMaturitySecurities	71000000	USD
	hban	Payments To Acquire Other Securities PaymentsToAcquireOtherSecurities	2000000	USD
	hban	Payments To Acquire Other Securities PaymentsToAcquireOtherSecurities	2000000	USD
	us-gaap	Proceeds From Sale Of Loans Held For Investment ProceedsFromSaleOfLoansHeldForInvestment	430000000	USD
	us-gaap	Proceeds From Sale Of Loans Held For Investment ProceedsFromSaleOfLoansHeldForInvestment	310000000	USD
	hban	Finance Principal Lease Payments FinancePrincipalLeasePayments	340000000	USD
	hban	Finance Principal Lease Payments FinancePrincipalLeasePayments	0	USD
	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	807000000	USD
	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	2619000000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	51000000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	38000000	USD
	us-gaap	Payments To Acquire Loans And Leases Held For Investment PaymentsToAcquireLoansAndLeasesHeldForInvestment	241000000	USD
	us-gaap	Payments To Acquire Loans And Leases Held For Investment PaymentsToAcquireLoansAndLeasesHeldForInvestment	104000000	USD
	hban	Netcashpaidforbranchdisposition Netcashpaidforbranchdisposition	-555000000	USD
	hban	Netcashpaidforbranchdisposition Netcashpaidforbranchdisposition	0	USD
	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-29000000	USD
	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-31000000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-579000000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-1458000000	USD
	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	-3167000000	USD
	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	2546000000	USD
	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	2157000000	USD
	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	-2579000000	USD
	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	857000000	USD
	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	1331000000	USD
	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	661000000	USD
	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	734000000	USD
	us-gaap	Payments Of Dividends Preferred Stock And Preference Stock PaymentsOfDividendsPreferredStockAndPreferenceStock	30000000	USD
	us-gaap	Payments Of Dividends Preferred Stock And Preference Stock PaymentsOfDividendsPreferredStockAndPreferenceStock	37000000	USD
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	240000000	USD
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	177000000	USD
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	48000000	USD
	us-gaap	Proceeds From Issuance Of Preferred Stock And Preference Stock ProceedsFromIssuanceOfPreferredStockAndPreferenceStock	0	USD
	us-gaap	Proceeds From Issuance Of Preferred Stock And Preference Stock ProceedsFromIssuanceOfPreferredStockAndPreferenceStock	495000000	USD
	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	26000000	USD
	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	27000000	USD
	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	2000000	USD
	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	4000000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-1347000000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	718000000	USD
	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	-1074000000	USD
	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	-138000000	USD
CY2018Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	2672000000	USD
CY2017Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	1520000000	USD
CY2019Q2	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	1598000000	USD
CY2018Q2	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	1382000000	USD
	us-gaap	Interest Paid InterestPaid	508000000	USD
	us-gaap	Interest Paid InterestPaid	320000000	USD
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	-19000000	USD
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	-113000000	USD
	us-gaap	Transfer Of Portfolio Loans And Leases To Held For Sale1 TransferOfPortfolioLoansAndLeasesToHeldForSale1	457000000	USD
	us-gaap	Transfer Of Portfolio Loans And Leases To Held For Sale1 TransferOfPortfolioLoansAndLeasesToHeldForSale1	316000000	USD
	us-gaap	Transfer Of Loans Held For Sale To Portfolio Loans1 TransferOfLoansHeldForSaleToPortfolioLoans1	8000000	USD
	us-gaap	Transfer Of Loans Held For Sale To Portfolio Loans1 TransferOfLoansHeldForSaleToPortfolioLoans1	34000000	USD
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	us-gaap	Transfer Of Other Real Estate TransferOfOtherRealEstate	10000000	USD
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	hban	Available For Sale Securities Transferred To Held To Maturity Securities AvailableForSaleSecuritiesTransferredToHeldToMaturitySecurities	2707000000	USD
CY2019Q2	us-gaap	Loans And Leases Receivable Deferred Income LoansAndLeasesReceivableDeferredIncome	466000000	USD
CY2018Q4	us-gaap	Loans And Leases Receivable Deferred Income LoansAndLeasesReceivableDeferredIncome	428000000	USD
CY2019Q2	us-gaap	Loans Receivable Commercial And Industrial LoansReceivableCommercialAndIndustrial	30608000000	USD
CY2018Q4	us-gaap	Loans Receivable Commercial And Industrial LoansReceivableCommercialAndIndustrial	30605000000	USD
CY2019Q2	us-gaap	Loans Receivable Commercial Real Estate LoansReceivableCommercialRealEstate	6888000000	USD
CY2018Q4	us-gaap	Loans Receivable Commercial Real Estate LoansReceivableCommercialRealEstate	6842000000	USD
CY2019Q2	hban	Loansand Leases Receivable Gross Automobile LoansandLeasesReceivableGrossAutomobile	12173000000	USD
CY2018Q4	hban	Loansand Leases Receivable Gross Automobile LoansandLeasesReceivableGrossAutomobile	12429000000	USD
CY2019Q2	us-gaap	Loans And Leases Receivable Consumer Home Equity LoansAndLeasesReceivableConsumerHomeEquity	9419000000	USD
CY2018Q4	us-gaap	Loans And Leases Receivable Consumer Home Equity LoansAndLeasesReceivableConsumerHomeEquity	9722000000	USD
CY2019Q2	us-gaap	Loans And Leases Receivable Consumer Mortgage LoansAndLeasesReceivableConsumerMortgage	11182000000	USD
CY2018Q4	us-gaap	Loans And Leases Receivable Consumer Mortgage LoansAndLeasesReceivableConsumerMortgage	10728000000	USD
CY2019Q2	hban	Loans Receivable Gross Recreation Finance LoansReceivableGrossRecreationFinance	3492000000	USD
CY2018Q4	hban	Loans Receivable Gross Recreation Finance LoansReceivableGrossRecreationFinance	3254000000	USD
CY2019Q2	us-gaap	Loans And Leases Receivable Consumer Other LoansAndLeasesReceivableConsumerOther	1271000000	USD
CY2018Q4	us-gaap	Loans And Leases Receivable Consumer Other LoansAndLeasesReceivableConsumerOther	1320000000	USD
CY2019Q2	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	75033000000	USD
CY2018Q4	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	74900000000	USD
CY2019Q2	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	774000000	USD
CY2018Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	772000000	USD
CY2019Q2	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	74259000000	USD
CY2018Q4	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	74128000000	USD
CY2019Q2	us-gaap	Residual Value Of Leased Asset ResidualValueOfLeasedAsset	88000000	USD
CY2019Q2	us-gaap	Capital Leases Future Minimum Payments Receivable CapitalLeasesFutureMinimumPaymentsReceivable	1700000000	USD
CY2019Q2	us-gaap	Capital Leases Future Minimum Payments Receivable Current CapitalLeasesFutureMinimumPaymentsReceivableCurrent	600000000	USD
CY2019Q2	us-gaap	Capital Leases Future Minimum Payments Receivable In Two Years CapitalLeasesFutureMinimumPaymentsReceivableInTwoYears	500000000	USD
CY2019Q2	us-gaap	Capital Leases Future Minimum Payments Receivable In Three Years CapitalLeasesFutureMinimumPaymentsReceivableInThreeYears	300000000	USD
CY2019Q2	us-gaap	Capital Leases Future Minimum Payments Receivable In Four Years CapitalLeasesFutureMinimumPaymentsReceivableInFourYears	200000000	USD
CY2019Q2	us-gaap	Capital Leases Future Minimum Payments Receivable In Five Years CapitalLeasesFutureMinimumPaymentsReceivableInFiveYears	100000000	USD
CY2019Q2	us-gaap	Capital Leases Future Minimum Payments Receivable Due Thereafter CapitalLeasesFutureMinimumPaymentsReceivableDueThereafter	100000000	USD
CY2019Q2	us-gaap	Direct Financing Lease Interest Income DirectFinancingLeaseInterestIncome	27000000	USD
	us-gaap	Direct Financing Lease Interest Income DirectFinancingLeaseInterestIncome	53000000	USD
CY2019Q2	hban	Loan Receivable Numberof Days Past Due LoanReceivableNumberofDaysPastDue	P30D
CY2019Q2	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	425000000	USD
CY2018Q4	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	340000000	USD
CY2019Q2	us-gaap	Financing Receivable Recorded Investment Past Due FinancingReceivableRecordedInvestmentPastDue	750000000	USD
CY2019Q2	us-gaap	Financing Receivable Recorded Investment Current FinancingReceivableRecordedInvestmentCurrent	74205000000	USD
CY2019Q2	us-gaap	Loans Receivable Fair Value Disclosure LoansReceivableFairValueDisclosure	78000000	USD
CY2019Q2	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	75033000000	USD
CY2019Q2	us-gaap	Financing Receivable Recorded Investment90 Days Past Due And Still Accruing FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing	152000000	USD
CY2018Q4	us-gaap	Financing Receivable Recorded Investment Past Due FinancingReceivableRecordedInvestmentPastDue	774000000	USD
CY2018Q4	us-gaap	Financing Receivable Recorded Investment Current FinancingReceivableRecordedInvestmentCurrent	74047000000	USD
CY2018Q4	us-gaap	Loans Receivable Fair Value Disclosure LoansReceivableFairValueDisclosure	79000000	USD
CY2018Q4	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	74900000000	USD
CY2018Q4	us-gaap	Financing Receivable Recorded Investment90 Days Past Due And Still Accruing FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing	170000000	USD
CY2019Q2	hban	Loansand Leases Receivable Allowance Numberof Reserves LoansandLeasesReceivableAllowanceNumberofReserves	2	reserve
CY2019Q1	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	764000000	USD
CY2019Q2	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	70000000	USD
CY2019Q2	us-gaap	Allowance For Loan And Lease Loss Recovery Of Bad Debts AllowanceForLoanAndLeaseLossRecoveryOfBadDebts	22000000	USD
CY2019Q2	hban	Provision For Reduction In Allowance Loanand Lease Losses. ProvisionForReductionInAllowanceLoanandLeaseLosses.	58000000	USD
CY2019Q2	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	774000000	USD
CY2019Q1	hban	Aulc Balance AULCBalance	100000000	USD
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CY2019Q2	hban	Aulc Balance AULCBalance	101000000	USD
CY2019Q2	hban	Acl Balance End Of Period AclBalanceEndOfPeriod	875000000	USD
CY2018Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	772000000	USD
	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	167000000	USD
	us-gaap	Allowance For Loan And Lease Loss Recovery Of Bad Debts AllowanceForLoanAndLeaseLossRecoveryOfBadDebts	48000000	USD
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CY2019Q2	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	774000000	USD
CY2018Q4	hban	Aulc Balance AULCBalance	96000000	USD
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CY2019Q2	hban	Aulc Balance AULCBalance	101000000	USD
CY2018Q2	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	53000000	USD
CY2019Q2	hban	Acl Balance End Of Period AclBalanceEndOfPeriod	875000000	USD
CY2018Q1	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	721000000	USD
CY2018Q2	us-gaap	Allowance For Loan And Lease Loss Recovery Of Bad Debts AllowanceForLoanAndLeaseLossRecoveryOfBadDebts	25000000	USD
CY2018Q2	hban	Provision For Reduction In Allowance Loanand Lease Losses. ProvisionForReductionInAllowanceLoanandLeaseLosses.	48000000	USD
CY2018Q2	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	741000000	USD
CY2018Q1	hban	Aulc Balance AULCBalance	85000000	USD
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CY2018Q2	hban	Aulc Balance AULCBalance	93000000	USD
CY2018Q2	hban	Acl Balance End Of Period AclBalanceEndOfPeriod	834000000	USD
CY2017Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	691000000	USD
	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	126000000	USD
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CY2018Q2	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	741000000	USD
CY2017Q4	hban	Aulc Balance AULCBalance	87000000	USD
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CY2018Q2	hban	Aulc Balance AULCBalance	93000000	USD
CY2018Q2	hban	Acl Balance End Of Period AclBalanceEndOfPeriod	834000000	USD
CY2019Q2	us-gaap	Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1 FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1	58000000	USD
CY2019Q2	us-gaap	Financing Receivable Allowance For Credit Losses Collectively Evaluated For Impairment FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment	716000000	USD
CY2019Q2	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	774000000	USD
CY2019Q2	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	1178000000	USD
CY2019Q2	us-gaap	Financing Receivable Collectively Evaluated For Impairment FinancingReceivableCollectivelyEvaluatedForImpairment	73777000000	USD
CY2019Q2	hban	Financing Receivable Evaluated For Impairment FinancingReceivableEvaluatedForImpairment	74955000000	USD
CY2018Q4	us-gaap	Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1 FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1	43000000	USD
CY2018Q4	us-gaap	Financing Receivable Allowance For Credit Losses Collectively Evaluated For Impairment FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment	729000000	USD
CY2018Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	772000000	USD
CY2018Q4	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	1107000000	USD
CY2018Q4	us-gaap	Financing Receivable Collectively Evaluated For Impairment FinancingReceivableCollectivelyEvaluatedForImpairment	73714000000	USD
CY2018Q4	hban	Financing Receivable Evaluated For Impairment FinancingReceivableEvaluatedForImpairment	74821000000	USD
CY2019Q2	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	1295	contract
CY2019Q2	us-gaap	Financing Receivable Modifications Post Modification Recorded Investment2 FinancingReceivableModificationsPostModificationRecordedInvestment2	65000000	USD
CY2018Q2	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	1741	contract
CY2018Q2	us-gaap	Financing Receivable Modifications Post Modification Recorded Investment2 FinancingReceivableModificationsPostModificationRecordedInvestment2	245000000	USD
	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	2622	contract
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	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	3356	contract
	us-gaap	Financing Receivable Modifications Post Modification Recorded Investment2 FinancingReceivableModificationsPostModificationRecordedInvestment2	398000000	USD
CY2019Q1	hban	Financing Receivable Modifications Effectof Modification FinancingReceivableModificationsEffectofModification	1000000	USD
CY2018Q2	hban	Financing Receivable Modifications Effectof Modification FinancingReceivableModificationsEffectofModification	-7000000	USD
	hban	Financing Receivable Modifications Effectof Modification FinancingReceivableModificationsEffectofModification	-3000000	USD
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CY2019Q2	us-gaap	Loans And Leases Receivable Collateral For Secured Borrowings LoansAndLeasesReceivableCollateralForSecuredBorrowings	37900000000	USD
CY2018Q4	us-gaap	Loans And Leases Receivable Collateral For Secured Borrowings LoansAndLeasesReceivableCollateralForSecuredBorrowings	46500000000	USD
CY2019Q2	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	13668000000	USD
CY2019Q2	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	109000000	USD
CY2019Q2	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	82000000	USD
CY2019Q2	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	13695000000	USD
CY2019Q2	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	8704000000	USD
CY2019Q2	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Gain HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	75000000	USD
CY2019Q2	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	31000000	USD
CY2019Q2	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	8748000000	USD
CY2019Q2	us-gaap	Equity Securities Fv Ni Cost EquitySecuritiesFvNiCost	440000000	USD
CY2019Q2	hban	Equity Securities Fvni Accumulated Gross Unrealized Gainbefore Tax EquitySecuritiesFVNIAccumulatedGrossUnrealizedGainbeforeTax	0	USD
CY2019Q2	hban	Equity Securities Fvni Accumulated Gross Unrealized Lossbefore Tax EquitySecuritiesFVNIAccumulatedGrossUnrealizedLossbeforeTax	0	USD
CY2019Q2	us-gaap	Equity Securities Fv Ni EquitySecuritiesFvNi	440000000	USD
CY2018Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	14108000000	USD
CY2018Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	31000000	USD
CY2018Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	359000000	USD
CY2018Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	13780000000	USD
CY2018Q4	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	8565000000	USD
CY2018Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Gain HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	2000000	USD
CY2018Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	281000000	USD
CY2018Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	8286000000	USD
CY2018Q4	us-gaap	Equity Securities Fv Ni Cost EquitySecuritiesFvNiCost	564000000	USD
CY2018Q4	hban	Equity Securities Fvni Accumulated Gross Unrealized Gainbefore Tax EquitySecuritiesFVNIAccumulatedGrossUnrealizedGainbeforeTax	1000000	USD
CY2018Q4	hban	Equity Securities Fvni Accumulated Gross Unrealized Lossbefore Tax EquitySecuritiesFVNIAccumulatedGrossUnrealizedLossbeforeTax	0	USD
CY2018Q4	us-gaap	Equity Securities Fv Ni EquitySecuritiesFvNi	565000000	USD
CY2019Q2	us-gaap	Available For Sale Securities Debt Maturities Within One Year Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost	316000000	USD
CY2019Q2	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	311000000	USD
CY2018Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost	186000000	USD
CY2018Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	185000000	USD
CY2019Q2	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost	979000000	USD
CY2018Q4	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	1802000000	USD
CY2019Q2	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost	10526000000	USD
CY2019Q2	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	970000000	USD
CY2018Q4	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost	1057000000	USD
CY2018Q4	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	1039000000	USD
CY2019Q2	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost	1847000000	USD
CY2019Q2	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	1843000000	USD
CY2018Q4	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost	1838000000	USD
CY2019Q2	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue	10571000000	USD
CY2018Q4	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost	11027000000	USD
CY2018Q4	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue	10754000000	USD
CY2019Q2	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	13668000000	USD
CY2019Q2	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	13695000000	USD
CY2018Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	14108000000	USD
CY2018Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	13780000000	USD
CY2019Q2	us-gaap	Held To Maturity Securities Debt Maturities Within One Year Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearNetCarryingAmount	0	USD
CY2019Q2	us-gaap	Held To Maturity Securities Debt Maturities Within One Year Fair Value HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearFairValue	0	USD
CY2018Q4	us-gaap	Held To Maturity Securities Debt Maturities Within One Year Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearNetCarryingAmount	0	USD
CY2018Q4	us-gaap	Held To Maturity Securities Debt Maturities Within One Year Fair Value HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearFairValue	0	USD
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CY2019Q2	us-gaap	Held To Maturity Securities Debt Maturities After One Through Five Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	20000000	USD
CY2018Q4	us-gaap	Held To Maturity Securities Debt Maturities After One Through Five Years Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsNetCarryingAmount	11000000	USD
CY2018Q4	us-gaap	Held To Maturity Securities Debt Maturities After One Through Five Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	11000000	USD
CY2019Q2	us-gaap	Held To Maturity Securities Debt Maturities After Five Through Ten Years Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsNetCarryingAmount	338000000	USD
CY2019Q2	us-gaap	Held To Maturity Securities Debt Maturities After Five Through Ten Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	342000000	USD
CY2018Q4	us-gaap	Held To Maturity Securities Debt Maturities After Five Through Ten Years Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsNetCarryingAmount	362000000	USD
CY2018Q4	us-gaap	Held To Maturity Securities Debt Maturities After Five Through Ten Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	356000000	USD
CY2019Q2	us-gaap	Held To Maturity Securities Debt Maturities After Ten Years Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsNetCarryingAmount	8346000000	USD
CY2019Q2	us-gaap	Held To Maturity Securities Debt Maturities After Ten Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsFairValue	8386000000	USD
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CY2018Q4	us-gaap	Held To Maturity Securities Debt Maturities After Ten Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsFairValue	7919000000	USD
CY2019Q2	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	8704000000	USD
CY2019Q2	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	8748000000	USD
CY2018Q4	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	8565000000	USD
CY2018Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	8286000000	USD
CY2019Q2	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	908000000	USD
CY2019Q2	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	8000000	USD
CY2019Q2	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	6208000000	USD
CY2019Q2	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	74000000	USD
CY2019Q2	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	7116000000	USD
CY2019Q2	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	82000000	USD
CY2019Q2	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	6000000	USD
CY2019Q2	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	0	USD
CY2019Q2	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	3526000000	USD
CY2019Q2	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	31000000	USD
CY2019Q2	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue	3532000000	USD
CY2019Q2	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPositionAccumulatedLoss	31000000	USD
CY2018Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	2254000000	USD
CY2018Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	35000000	USD
CY2018Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	9679000000	USD
CY2018Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	324000000	USD
CY2018Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	11933000000	USD
CY2018Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	359000000	USD
CY2018Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	141000000	USD
CY2018Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	2000000	USD
CY2018Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	7711000000	USD
CY2018Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	279000000	USD
CY2018Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue	7852000000	USD
CY2018Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPositionAccumulatedLoss	281000000	USD
CY2019Q2	us-gaap	Pledged Financial Instruments Not Separately Reported Securities For Other Debt Facilities PledgedFinancialInstrumentsNotSeparatelyReportedSecuritiesForOtherDebtFacilities	3300000000	USD
CY2018Q4	us-gaap	Pledged Financial Instruments Not Separately Reported Securities For Other Debt Facilities PledgedFinancialInstrumentsNotSeparatelyReportedSecuritiesForOtherDebtFacilities	4500000000	USD
CY2019Q2	us-gaap	Available For Sale Securities Gross Realized Gains AvailableForSaleSecuritiesGrossRealizedGains	9000000	USD
CY2018Q2	us-gaap	Available For Sale Securities Gross Realized Gains AvailableForSaleSecuritiesGrossRealizedGains	1000000	USD
	us-gaap	Available For Sale Securities Gross Realized Gains AvailableForSaleSecuritiesGrossRealizedGains	9000000	USD
	us-gaap	Available For Sale Securities Gross Realized Gains AvailableForSaleSecuritiesGrossRealizedGains	6000000	USD
CY2019Q2	us-gaap	Available For Sale Securities Gross Realized Losses AvailableForSaleSecuritiesGrossRealizedLosses	11000000	USD
CY2018Q2	us-gaap	Available For Sale Securities Gross Realized Losses AvailableForSaleSecuritiesGrossRealizedLosses	1000000	USD
	us-gaap	Available For Sale Securities Gross Realized Losses AvailableForSaleSecuritiesGrossRealizedLosses	11000000	USD
	us-gaap	Available For Sale Securities Gross Realized Losses AvailableForSaleSecuritiesGrossRealizedLosses	6000000	USD
CY2019Q2	us-gaap	Availableforsale Securities Gross Realized Gain Loss Excluding Other Than Temporary Impairments AvailableforsaleSecuritiesGrossRealizedGainLossExcludingOtherThanTemporaryImpairments	-2000000	USD
CY2018Q2	us-gaap	Availableforsale Securities Gross Realized Gain Loss Excluding Other Than Temporary Impairments AvailableforsaleSecuritiesGrossRealizedGainLossExcludingOtherThanTemporaryImpairments	0	USD
	us-gaap	Availableforsale Securities Gross Realized Gain Loss Excluding Other Than Temporary Impairments AvailableforsaleSecuritiesGrossRealizedGainLossExcludingOtherThanTemporaryImpairments	-2000000	USD
	us-gaap	Availableforsale Securities Gross Realized Gain Loss Excluding Other Than Temporary Impairments AvailableforsaleSecuritiesGrossRealizedGainLossExcludingOtherThanTemporaryImpairments	0	USD
	us-gaap	Other Than Temporary Impairment Loss Debt Securities Portion Recognized In Earnings OtherThanTemporaryImpairmentLossDebtSecuritiesPortionRecognizedInEarnings	0	USD
	hban	Otherthantemporary Impairment Loss Equity Securities Portion Recognizedin Earnings OtherthantemporaryImpairmentLossEquitySecuritiesPortionRecognizedinEarnings	0	USD
CY2019Q2	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	202000000	USD
CY2019Q2	us-gaap	Operating Lease Liability OperatingLeaseLiability	228000000	USD
CY2019Q2	us-gaap	Operating Lease Cost OperatingLeaseCost	13000000	USD
	us-gaap	Operating Lease Cost OperatingLeaseCost	25000000	USD
CY2019Q2	us-gaap	Sublease Income SubleaseIncome	1000000	USD
	us-gaap	Sublease Income SubleaseIncome	2000000	USD
CY2019Q2	us-gaap	Lease Cost LeaseCost	12000000	USD
	us-gaap	Lease Cost LeaseCost	23000000	USD
CY2019Q2	us-gaap	Lessee Operating Lease Liability Payments Remainder Of Fiscal Year LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear	22000000	USD
CY2019Q2	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	50000000	USD
CY2019Q2	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	37000000	USD
CY2019Q2	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	32000000	USD
CY2019Q2	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	27000000	USD
CY2019Q2	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	103000000	USD
CY2019Q2	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	271000000	USD
CY2019Q2	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	43000000	USD
CY2019Q2	us-gaap	Operating Lease Liability OperatingLeaseLiability	228000000	USD
CY2019Q2	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P7Y6M10D
CY2019Q2	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0470
	us-gaap	Operating Lease Payments OperatingLeasePayments	27000000	USD
	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	12000000	USD
CY2019Q2	us-gaap	Other Comprehensive Income Loss Before Tax OtherComprehensiveIncomeLossBeforeTax	233000000	USD
CY2019Q2	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	51000000	USD
CY2019Q2	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	182000000	USD
CY2018Q2	us-gaap	Other Comprehensive Income Loss Before Tax OtherComprehensiveIncomeLossBeforeTax	-67000000	USD
CY2018Q2	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	-15000000	USD
CY2018Q2	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-52000000	USD
	us-gaap	Other Comprehensive Income Loss Before Tax OtherComprehensiveIncomeLossBeforeTax	430000000	USD
	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	94000000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	336000000	USD
	us-gaap	Other Comprehensive Income Loss Before Tax OtherComprehensiveIncomeLossBeforeTax	-257000000	USD
	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	-56000000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-201000000	USD
CY2019Q2	us-gaap	Oci Before Reclassifications Net Of Tax Attributable To Parent OciBeforeReclassificationsNetOfTaxAttributableToParent	174000000	USD
CY2019Q2	us-gaap	Reclassification From Aoci Current Period Net Of Tax Attributable To Parent ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent	-8000000	USD
CY2019Q2	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	182000000	USD
CY2018Q2	us-gaap	Oci Before Reclassifications Net Of Tax Attributable To Parent OciBeforeReclassificationsNetOfTaxAttributableToParent	-56000000	USD
CY2018Q2	us-gaap	Reclassification From Aoci Current Period Net Of Tax Attributable To Parent ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent	-4000000	USD
CY2018Q2	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-52000000	USD
	us-gaap	Oci Before Reclassifications Net Of Tax Attributable To Parent OciBeforeReclassificationsNetOfTaxAttributableToParent	324000000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	336000000	USD
	us-gaap	Oci Before Reclassifications Net Of Tax Attributable To Parent OciBeforeReclassificationsNetOfTaxAttributableToParent	-218000000	USD
	us-gaap	Reclassification From Aoci Current Period Net Of Tax Attributable To Parent ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent	-17000000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-201000000	USD
	us-gaap	Reclassification From Aoci Current Period Net Of Tax Attributable To Parent ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent	-12000000	USD
CY2019Q2	us-gaap	Net Income Loss NetIncomeLoss	364000000	USD
CY2018Q2	us-gaap	Net Income Loss NetIncomeLoss	355000000	USD
	us-gaap	Net Income Loss NetIncomeLoss	722000000	USD
	us-gaap	Net Income Loss NetIncomeLoss	681000000	USD
CY2019Q2	us-gaap	Dividends Preferred Stock DividendsPreferredStock	18000000	USD
CY2018Q2	us-gaap	Dividends Preferred Stock DividendsPreferredStock	21000000	USD
	us-gaap	Dividends Preferred Stock DividendsPreferredStock	37000000	USD
	us-gaap	Dividends Preferred Stock DividendsPreferredStock	33000000	USD
CY2019Q2	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	346000000	USD
CY2018Q2	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	334000000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	685000000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	648000000	USD
CY2019Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	1044802000	shares
CY2018Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	1103337000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	1045899000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	1093587000	shares
CY2019Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.33
CY2018Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.30
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.66
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.59
CY2019Q2	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	11308000	shares
CY2018Q2	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	15803000	shares
	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	13057000	shares
	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	17830000	shares
CY2019Q2	us-gaap	Incremental Common Shares Attributable To Contingently Issuable Shares IncrementalCommonSharesAttributableToContingentlyIssuableShares	4170000	shares
CY2018Q2	us-gaap	Incremental Common Shares Attributable To Contingently Issuable Shares IncrementalCommonSharesAttributableToContingentlyIssuableShares	3472000	shares
	us-gaap	Incremental Common Shares Attributable To Contingently Issuable Shares IncrementalCommonSharesAttributableToContingentlyIssuableShares	4003000	shares
	us-gaap	Incremental Common Shares Attributable To Contingently Issuable Shares IncrementalCommonSharesAttributableToContingentlyIssuableShares	3350000	shares
CY2019Q2	us-gaap	Incremental Common Shares Attributable To Conversion Of Preferred Stock IncrementalCommonSharesAttributableToConversionOfPreferredStock	0	shares
CY2018Q2	us-gaap	Incremental Common Shares Attributable To Conversion Of Preferred Stock IncrementalCommonSharesAttributableToConversionOfPreferredStock	0	shares
	us-gaap	Incremental Common Shares Attributable To Conversion Of Preferred Stock IncrementalCommonSharesAttributableToConversionOfPreferredStock	0	shares
	us-gaap	Incremental Common Shares Attributable To Conversion Of Preferred Stock IncrementalCommonSharesAttributableToConversionOfPreferredStock	8879000	shares
CY2019Q2	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	15478000	shares
CY2018Q2	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	19275000	shares
	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	17060000	shares
	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	30059000	shares
CY2019Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	1060280000	shares
CY2018Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	1122612000	shares
	us-gaap	Noninterest Income NoninterestIncome	693000000	USD
	us-gaap	Noninterest Income NoninterestIncome	650000000	USD
CY2019Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	235000000	USD
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	1062959000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	1123646000	shares
CY2019Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.33
CY2018Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.30
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.64
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.58
CY2019Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	235000000	USD
CY2018Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	217000000	USD
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	457000000	USD
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	431000000	USD
CY2019Q2	us-gaap	Noninterest Income Other NoninterestIncomeOther	139000000	USD
CY2018Q2	us-gaap	Noninterest Income Other NoninterestIncomeOther	119000000	USD
	us-gaap	Noninterest Income Other NoninterestIncomeOther	236000000	USD
	us-gaap	Noninterest Income Other NoninterestIncomeOther	219000000	USD
CY2019Q2	us-gaap	Noninterest Income NoninterestIncome	374000000	USD
CY2018Q2	us-gaap	Noninterest Income NoninterestIncome	336000000	USD
CY2019Q2	us-gaap	Noninterest Income Other NoninterestIncomeOther	139000000	USD
CY2019Q2	us-gaap	Noninterest Income NoninterestIncome	374000000	USD
CY2018Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	217000000	USD
CY2018Q2	us-gaap	Noninterest Income Other NoninterestIncomeOther	119000000	USD
CY2018Q2	us-gaap	Noninterest Income NoninterestIncome	336000000	USD
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	457000000	USD
	us-gaap	Noninterest Income Other NoninterestIncomeOther	236000000	USD
	us-gaap	Noninterest Income NoninterestIncome	693000000	USD
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	431000000	USD
	us-gaap	Noninterest Income Other NoninterestIncomeOther	219000000	USD
	us-gaap	Noninterest Income NoninterestIncome	650000000	USD
CY2019Q2	us-gaap	Loans Receivable Fair Value Disclosure LoansReceivableFairValueDisclosure	78000000	USD
CY2018Q4	us-gaap	Loans Receivable Fair Value Disclosure LoansReceivableFairValueDisclosure	79000000	USD
CY2019Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Other Comprehensive Income Loss FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss	3000000	USD
CY2018Q4	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis With Unobservable Inputs FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisWithUnobservableInputs	-2000000	USD
	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Transfers Out Of Level3 FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationTransfersOutOfLevel3	24000000	USD
	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Gain Loss Included In Earnings FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationGainLossIncludedInEarnings	31000000	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 Sales FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationSales	0	USD
	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Settlements FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationSettlements	0	USD
CY2019Q2	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis With Unobservable Inputs FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisWithUnobservableInputs	9000000	USD
	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis Change In Unrealized Gain Loss FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisChangeInUnrealizedGainLoss	-6000000	USD
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Other Comprehensive Income Loss FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss	46000000	USD
CY2017Q4	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis With Unobservable Inputs FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisWithUnobservableInputs	1000000	USD
	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Transfers Into Level3 FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationTransfersIntoLevel3	0	USD
	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Transfers Out Of Level3 FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationTransfersOutOfLevel3	14000000	USD
	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Gain Loss Included In Earnings FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationGainLossIncludedInEarnings	16000000	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 Sales FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationSales	0	USD
	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Issues FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationIssues	0	USD
	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Settlements FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationSettlements	0	USD
CY2018Q2	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis With Unobservable Inputs FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisWithUnobservableInputs	1000000	USD
	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis Change In Unrealized Gain Loss FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisChangeInUnrealizedGainLoss	2000000	USD
	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Gain Loss Included In Earnings FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationGainLossIncludedInEarnings	31000000	USD
	us-gaap	Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Inputs Reconciliation Gain Loss Included In Earnings FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationGainLossIncludedInEarnings	16000000	USD
CY2019Q2	us-gaap	Loans Held For Sale Fair Value Disclosure LoansHeldForSaleFairValueDisclosure	736000000	USD
CY2018Q4	us-gaap	Loans Held For Sale Fair Value Disclosure LoansHeldForSaleFairValueDisclosure	613000000	USD
CY2019Q2	invest	Derivative Notional Amount DerivativeNotionalAmount	20877000000	USD
CY2018Q4	invest	Derivative Notional Amount DerivativeNotionalAmount	4877000000	USD
CY2019Q2	hban	Increase Decrease To Net Interest Income Due To Derivative Adjustment IncreaseDecreaseToNetInterestIncomeDueToDerivativeAdjustment	-15000000	USD
CY2018Q2	hban	Increase Decrease To Net Interest Income Due To Derivative Adjustment IncreaseDecreaseToNetInterestIncomeDueToDerivativeAdjustment	-15000000	USD
	hban	Increase Decrease To Net Interest Income Due To Derivative Adjustment IncreaseDecreaseToNetInterestIncomeDueToDerivativeAdjustment	-29000000	USD
	hban	Increase Decrease To Net Interest Income Due To Derivative Adjustment IncreaseDecreaseToNetInterestIncomeDueToDerivativeAdjustment	-14000000	USD
CY2019Q2	us-gaap	Fair Value Hedge Liabilities At Fair Value FairValueHedgeLiabilitiesAtFairValue	6769000000	USD
CY2018Q4	us-gaap	Fair Value Hedge Liabilities At Fair Value FairValueHedgeLiabilitiesAtFairValue	4845000000	USD
CY2019Q2	us-gaap	Hedged Liability Fair Value Hedge Cumulative Increase Decrease HedgedLiabilityFairValueHedgeCumulativeIncreaseDecrease	117000000	USD
CY2018Q4	us-gaap	Hedged Liability Fair Value Hedge Cumulative Increase Decrease HedgedLiabilityFairValueHedgeCumulativeIncreaseDecrease	-12000000	USD
	hban	Fairvaluehedgingadjustments Fairvaluehedgingadjustments	-110000000	USD
CY2018	hban	Fairvaluehedgingadjustments Fairvaluehedgingadjustments	-127000000	USD
CY2019Q2	hban	Credit Risks From Interest Rate Swaps Used For Trading Purposes CreditRisksFromInterestRateSwapsUsedForTradingPurposes	386000000	USD
CY2018Q4	hban	Credit Risks From Interest Rate Swaps Used For Trading Purposes CreditRisksFromInterestRateSwapsUsedForTradingPurposes	132000000	USD
CY2019Q2	hban	Derivative Numberof Primary Groups Entered Into Derivative Transactions DerivativeNumberofPrimaryGroupsEnteredIntoDerivativeTransactions	2	group
CY2019Q2	hban	Aggregate Credit Risk Net Of Collateral AggregateCreditRiskNetOfCollateral	34000000	USD
CY2018Q4	hban	Aggregate Credit Risk Net Of Collateral AggregateCreditRiskNetOfCollateral	37000000	USD
CY2019Q2	us-gaap	Collateral Already Posted Aggregate Fair Value CollateralAlreadyPostedAggregateFairValue	82000000	USD
CY2019Q2	hban	Investment Securities And Cash Collateral Pledged To Company InvestmentSecuritiesAndCashCollateralPledgedToCompany	206000000	USD
CY2019Q2	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	831000000	USD
CY2019Q2	us-gaap	Derivative Asset Fair Value Gross Liability And Obligation To Return Cash Offset DerivativeAssetFairValueGrossLiabilityAndObligationToReturnCashOffset	398000000	USD
CY2019Q2	us-gaap	Derivative Assets DerivativeAssets	433000000	USD
CY2019Q2	us-gaap	Derivative Collateral Obligation To Return Securities DerivativeCollateralObligationToReturnSecurities	12000000	USD
CY2019Q2	us-gaap	Derivative Collateral Obligation To Return Cash DerivativeCollateralObligationToReturnCash	65000000	USD
CY2019Q2	us-gaap	Derivative Fair Value Of Derivative Asset Amount Offset Against Collateral DerivativeFairValueOfDerivativeAssetAmountOffsetAgainstCollateral	356000000	USD
CY2018Q4	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	500000000	USD
CY2018Q4	us-gaap	Derivative Asset Fair Value Gross Liability And Obligation To Return Cash Offset DerivativeAssetFairValueGrossLiabilityAndObligationToReturnCashOffset	291000000	USD
CY2018Q4	us-gaap	Derivative Assets DerivativeAssets	209000000	USD
CY2018Q4	us-gaap	Derivative Collateral Obligation To Return Securities DerivativeCollateralObligationToReturnSecurities	4000000	USD
CY2018Q4	us-gaap	Derivative Collateral Obligation To Return Cash DerivativeCollateralObligationToReturnCash	53000000	USD
CY2018Q4	us-gaap	Derivative Fair Value Of Derivative Asset Amount Offset Against Collateral DerivativeFairValueOfDerivativeAssetAmountOffsetAgainstCollateral	152000000	USD
CY2019Q2	us-gaap	Derivative Fair Value Of Derivative Liability DerivativeFairValueOfDerivativeLiability	489000000	USD
CY2019Q2	us-gaap	Derivative Liability Fair Value Gross Asset And Right To Reclaim Cash Offset DerivativeLiabilityFairValueGrossAssetAndRightToReclaimCashOffset	372000000	USD
CY2019Q2	us-gaap	Derivative Liabilities DerivativeLiabilities	117000000	USD
CY2019Q2	us-gaap	Derivative Collateral Right To Reclaim Securities DerivativeCollateralRightToReclaimSecurities	3000000	USD
CY2019Q2	us-gaap	Derivative Collateral Right To Reclaim Cash DerivativeCollateralRightToReclaimCash	5000000	USD
CY2019Q2	us-gaap	Derivative Fair Value Of Derivative Liability Amount Offset Against Collateral DerivativeFairValueOfDerivativeLiabilityAmountOffsetAgainstCollateral	109000000	USD
CY2018Q4	us-gaap	Derivative Fair Value Of Derivative Liability DerivativeFairValueOfDerivativeLiability	404000000	USD
CY2018Q4	us-gaap	Derivative Liability Fair Value Gross Asset And Right To Reclaim Cash Offset DerivativeLiabilityFairValueGrossAssetAndRightToReclaimCashOffset	217000000	USD
CY2018Q4	us-gaap	Derivative Liabilities DerivativeLiabilities	187000000	USD
CY2018Q4	us-gaap	Derivative Collateral Right To Reclaim Securities DerivativeCollateralRightToReclaimSecurities	0	USD
CY2018Q4	us-gaap	Derivative Collateral Right To Reclaim Cash DerivativeCollateralRightToReclaimCash	12000000	USD
CY2018Q4	us-gaap	Derivative Fair Value Of Derivative Liability Amount Offset Against Collateral DerivativeFairValueOfDerivativeLiabilityAmountOffsetAgainstCollateral	175000000	USD
CY2019Q2	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	252000000	USD
CY2019Q2	hban	Investment In Unconsolidated Subsidiary InvestmentInUnconsolidatedSubsidiary	14000000	USD
CY2019Q2	hban	Maximumyeartodeferpaymentofintereston Debenture MaximumyeartodeferpaymentofinterestonDebenture	P5Y
CY2019Q2	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	812000000	USD
CY2019Q2	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	59000000	USD
CY2019Q2	us-gaap	Loss Contingency Period Of Occurrence LossContingencyPeriodOfOccurrence	P2Y
CY2019Q2	us-gaap	Debt Instrument Maturity Date Description DebtInstrumentMaturityDateDescription	P90D
CY2019Q2	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	4
CY2019Q2	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	4
CY2019Q2	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	4
CY2019Q2	hban	Revenues Business Banking Maximumper Business RevenuesBusinessBankingMaximumperBusiness	20000000	USD
CY2019Q2	us-gaap	Noninterest Income NoninterestIncome	374000000	USD
CY2019Q2	us-gaap	Noninterest Expense NoninterestExpense	700000000	USD
CY2019Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	63000000	USD
CY2019Q2	us-gaap	Net Income Loss NetIncomeLoss	364000000	USD
CY2018Q2	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	784000000	USD
CY2018Q2	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	56000000	USD
CY2018Q2	us-gaap	Noninterest Income NoninterestIncome	336000000	USD
CY2018Q2	us-gaap	Noninterest Expense NoninterestExpense	652000000	USD
CY2018Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	57000000	USD
CY2018Q2	us-gaap	Net Income Loss NetIncomeLoss	355000000	USD
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	1634000000	USD
	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	126000000	USD
	us-gaap	Noninterest Income NoninterestIncome	693000000	USD
	us-gaap	Noninterest Expense NoninterestExpense	1353000000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	126000000	USD
	us-gaap	Net Income Loss NetIncomeLoss	722000000	USD
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	1554000000	USD
	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	122000000	USD
	us-gaap	Noninterest Income NoninterestIncome	650000000	USD
	us-gaap	Noninterest Expense NoninterestExpense	1285000000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	116000000	USD
	us-gaap	Net Income Loss NetIncomeLoss	681000000	USD
CY2019Q2	us-gaap	Assets Assets	108247000000	USD
CY2018Q4	us-gaap	Assets Assets	108781000000	USD
CY2019Q2	us-gaap	Deposits Deposits	80882000000	USD
CY2018Q4	us-gaap	Deposits Deposits	84774000000	USD
	dei	Document Period End Date DocumentPeriodEndDate	2019-06-30
	dei	Document Period End Date DocumentPeriodEndDate	2019-06-30

Files In Submission

Name	View Source	Status
0000049196-19-000054-index-headers.html	Edgar Link	pending
0000049196-19-000054-index.html	Edgar Link	pending
0000049196-19-000054.txt	Edgar Link	pending
0000049196-19-000054-xbrl.zip	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xlsx	Edgar Link	pending
hban-20190630.xsd	Edgar Link	pending
hban-20190630_cal.xml	Edgar Link	unprocessable
hban-20190630_def.xml	Edgar Link	unprocessable
hban-20190630_lab.xml	Edgar Link	unprocessable
hban-20190630_pre.xml	Edgar Link	unprocessable
hban2019063010q.htm	Edgar Link	pending
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hban2019063010qex321.htm	Edgar Link	pending
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hban2019063010q_htm.xml	Edgar Link	completed
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$HBAN
HUNTINGTON BANCSHARES INC /MD/ Stock $hban

2019 Q2 Form 10-Q Financial Statement

#000004919619000054 Filed on July 29, 2019

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$HBAN HUNTINGTON BANCSHARES INC /MD/ Stock $hban

2019 Q2 Form 10-Q Financial Statement

#000004919619000054 Filed on July 29, 2019

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$HBAN
HUNTINGTON BANCSHARES INC /MD/ Stock $hban