$FNB
FNB CORP/PA/ Stock $fnb

$fnb Overview Financials Valuation SEC Filings Company Website

2020 Q1 Form 10-Q Financial Statement

#000003780820000009 Filed on May 07, 2020

Income Statement

Concept	2020 Q1	2019 Q1
Revenue	$306.0M	$310.0M
YoY Change	-1.29%	13.55%
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	$4.000M	$7.000M
YoY Change	-42.86%	-70.46%
% of Gross Profit
Operating Expenses
YoY Change
Operating Profit
YoY Change
Interest Expense	$74.00M	$79.00M
YoY Change	-6.33%	68.09%
% of Operating Profit
Other Income/Expense, Net
YoY Change
Pretax Income	$58.00M	$116.0M
YoY Change	-50.0%	7.41%
Income Tax	$11.00M	$22.00M
% Of Pretax Income	18.97%	18.97%
Net Earnings	$47.00M	$94.00M
YoY Change	-50.0%	8.05%
Net Earnings / Revenue	15.36%	30.32%
Basic Earnings Per Share	$0.14	$0.28
Diluted Earnings Per Share	$0.14	$0.28
COMMON SHARES
Basic Shares Outstanding	324.2M shares	324.6M shares
Diluted Shares Outstanding	326.0M shares	325.8M shares

Balance Sheet

Concept	2020 Q1	2019 Q1
SHORT-TERM ASSETS
Cash & Short-Term Investments
YoY Change
Cash & Equivalents	$564.0M	$497.0M
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	$331.0M	$329.0M
YoY Change	0.61%	-1.33%
Goodwill	$2.262B	$2.255B
YoY Change	0.31%	0.17%
Intangibles	$64.00M	$75.00M
YoY Change	-14.67%	-14.63%
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	$35.05B	$33.70B
YoY Change	4.02%	6.45%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable
YoY Change
Accrued Expenses	$131.0M	$121.0M
YoY Change	8.26%
Deferred Revenue
YoY Change
Short-Term Debt	$3.443B	$4.111B
YoY Change	-16.25%	8.11%
Long-Term Debt Due	$107.0M	$110.0M
YoY Change	-2.73%	-19.71%
Total Short-Term Liabilities	$238.0M	$231.0M
YoY Change	3.03%	68.61%
LONG-TERM LIABILITIES
Long-Term Debt	$1.001B	$438.0M
YoY Change	128.54%	21.67%
Other Long-Term Liabilities	$254.0M	$228.0M
YoY Change	11.4%	-11.97%
Total Long-Term Liabilities	$1.255B	$666.0M
YoY Change	88.44%	7.59%
TOTAL LIABILITIES
Total Short-Term Liabilities	$238.0M	$231.0M
Total Long-Term Liabilities	$1.255B	$666.0M
Total Liabilities	$30.21B	$29.02B
YoY Change	4.11%	6.6%
SHAREHOLDERS EQUITY
Retained Earnings	$754.0M	$629.0M
YoY Change	19.87%	52.17%
Common Stock	$4.078B	$4.055B
YoY Change	0.57%	0.34%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$52.00M	$23.00M
YoY Change	126.09%	20.12%
Treasury Stock Shares	4.584M shares	1.935M shares
Shareholders Equity	$4.842B	$4.680B
YoY Change
Total Liabilities & Shareholders Equity	$35.05B	$33.70B
YoY Change	4.02%	6.45%

Cashflow Statement

Concept	2020 Q1	2019 Q1
OPERATING ACTIVITIES
Net Income	$47.00M	$94.00M
YoY Change	-50.0%	8.05%
Depreciation, Depletion And Amortization	$4.000M	$7.000M
YoY Change	-42.86%	-70.46%
Cash From Operating Activities	-$205.0M	$17.00M
YoY Change	-1305.88%	-91.9%
INVESTING ACTIVITIES
Capital Expenditures	$8.000M	$10.00M
YoY Change	-20.0%	11.11%
Acquisitions
YoY Change
Other Investing Activities	-$244.0M	-$418.0M
YoY Change	-41.63%	-11.44%
Cash From Investing Activities	-$252.0M	-$428.0M
YoY Change	-41.12%	-11.02%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net	$25.00M	-$1.000M
YoY Change	-2600.0%	-125.0%
Debt Paid & Issued, Net	$15.00M	$179.0M
YoY Change	-91.62%	894.44%
Cash From Financing Activities	$422.0M	$420.0M
YoY Change	0.48%	135.96%
NET CHANGE
Cash From Operating Activities	-$205.0M	$17.00M
Cash From Investing Activities	-$252.0M	-$428.0M
Cash From Financing Activities	$422.0M	$420.0M
Net Change In Cash	-$35.00M	$9.000M
YoY Change	-488.89%	-109.68%
FREE CASH FLOW
Cash From Operating Activities	-$205.0M	$17.00M
Capital Expenditures	$8.000M	$10.00M
Free Cash Flow	-$213.0M	$7.000M
YoY Change	-3142.86%	-96.52%

Facts In Submission

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CY2020Q1	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2020
CY2020Q1	dei	Entity Central Index Key EntityCentralIndexKey	0000037808
CY2020Q1	dei	Entity Registrant Name EntityRegistrantName	FNB CORP/PA/
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CY2020Q1	dei	Document Type DocumentType	10-Q
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CY2020Q1	dei	Document Transition Report DocumentTransitionReport	false
CY2020Q1	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	PA
CY2020Q1	dei	Entity File Number EntityFileNumber	001-31940
CY2020Q1	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	25-1255406
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CY2019Q1	us-gaap	Dividends Preferred Stock DividendsPreferredStock	2000000	USD
CY2020Q1	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	45000000	USD
CY2019Q1	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	92000000	USD
CY2020Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.14
CY2019Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.28
CY2020Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.14
CY2019Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.28
CY2020Q1	us-gaap	Net Income Loss NetIncomeLoss	47000000	USD
CY2019Q1	us-gaap	Net Income Loss NetIncomeLoss	94000000	USD
CY2020Q1	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	53000000	USD
CY2019Q1	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	24000000	USD
CY2020Q1	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax	-35000000	USD
CY2019Q1	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	-6000000	USD
CY2020Q1	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax	-1000000	USD
CY2019Q1	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax	1000000	USD
CY2020Q1	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	1000000	USD
CY2019Q1	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	1000000	USD
CY2020Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	20000000	USD
CY2019Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	18000000	USD
CY2020Q1	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	67000000	USD
CY2018Q4	us-gaap	Stockholders Equity StockholdersEquity	4608000000	USD
CY2019Q1	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	112000000	USD
CY2019Q1	us-gaap	Dividends Preferred Stock DividendsPreferredStock	2000000	USD
CY2019Q1	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	39000000	USD
CY2019Q1	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	-1000000	USD
CY2019Q1	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	2000000	USD
CY2019Q1	us-gaap	Stockholders Equity StockholdersEquity	4680000000	USD
CY2019Q4	us-gaap	Stockholders Equity StockholdersEquity	4883000000	USD
CY2020Q1	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	67000000	USD
CY2020Q1	us-gaap	Dividends Preferred Stock DividendsPreferredStock	2000000	USD
CY2020Q1	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	39000000	USD
CY2019Q1	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	25000000	USD
CY2020Q1	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	8000000	USD
CY2020Q1	us-gaap	Cumulative Effect Of New Accounting Principle In Period Of Adoption CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption	-50000000	USD
CY2020Q1	us-gaap	Stockholders Equity StockholdersEquity	4842000000	USD
CY2020Q1	us-gaap	Net Income Loss NetIncomeLoss	47000000	USD
CY2019Q1	us-gaap	Net Income Loss NetIncomeLoss	94000000	USD
CY2020Q1	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	4000000	USD
CY2019Q1	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	7000000	USD
CY2020Q1	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	48000000	USD
CY2019Q1	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	14000000	USD
CY2020Q1	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	2000000	USD
CY2019Q1	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	2000000	USD
CY2020Q1	us-gaap	Payments To Purchase Loans Held For Sale PaymentsToPurchaseLoansHeldForSale	301000000	USD
CY2019Q1	us-gaap	Payments To Purchase Loans Held For Sale PaymentsToPurchaseLoansHeldForSale	217000000	USD
CY2020Q1	us-gaap	Proceeds From Sale Of Loans Held For Sale ProceedsFromSaleOfLoansHeldForSale	275000000	USD
CY2019Q1	us-gaap	Proceeds From Sale Of Loans Held For Sale ProceedsFromSaleOfLoansHeldForSale	206000000	USD
CY2020Q1	us-gaap	Gain Loss On Sale Of Loans And Leases GainLossOnSaleOfLoansAndLeases	5000000	USD
CY2019Q1	us-gaap	Gain Loss On Sale Of Loans And Leases GainLossOnSaleOfLoansAndLeases	4000000	USD
CY2020Q1	us-gaap	Increase Decrease In Accrued Interest Receivable Net IncreaseDecreaseInAccruedInterestReceivableNet	-21000000	USD
CY2019Q1	us-gaap	Increase Decrease In Accrued Interest Receivable Net IncreaseDecreaseInAccruedInterestReceivableNet	11000000	USD
CY2020Q1	us-gaap	Increase Decrease In Interest Payable Net IncreaseDecreaseInInterestPayableNet	-2000000	USD
CY2019Q1	us-gaap	Increase Decrease In Interest Payable Net IncreaseDecreaseInInterestPayableNet	3000000	USD
CY2020Q1	us-gaap	Life Insurance Corporate Or Bank Owned Change In Value LifeInsuranceCorporateOrBankOwnedChangeInValue	2000000	USD
CY2019Q1	us-gaap	Life Insurance Corporate Or Bank Owned Change In Value LifeInsuranceCorporateOrBankOwnedChangeInValue	1000000	USD
CY2020Q1	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	292000000	USD
CY2019Q1	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	76000000	USD
CY2020Q1	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-205000000	USD
CY2019Q1	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	17000000	USD
CY2020Q1	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	500000000	USD
CY2019Q1	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	467000000	USD
CY2020Q1	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	54000000	USD
CY2019Q1	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	175000000	USD
CY2020Q1	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	215000000	USD
CY2019Q1	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	142000000	USD
CY2020Q1	us-gaap	Payments To Acquire Held To Maturity Securities PaymentsToAcquireHeldToMaturitySecurities	59000000	USD
CY2019Q1	us-gaap	Payments To Acquire Held To Maturity Securities PaymentsToAcquireHeldToMaturitySecurities	25000000	USD
CY2020Q1	us-gaap	Proceeds From Maturities Prepayments And Calls Of Held To Maturity Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities	154000000	USD
CY2019Q1	us-gaap	Proceeds From Maturities Prepayments And Calls Of Held To Maturity Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities	107000000	USD
CY2020Q1	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	8000000	USD
CY2019Q1	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	10000000	USD
CY2020Q1	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-252000000	USD
CY2019Q1	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-428000000	USD
CY2020Q1	fnb	Increase Decrease In Non Interest Bearing Deposits Savings And Negotiable Order Of Withdrawal Accounts IncreaseDecreaseInNonInterestBearingDepositsSavingsAndNegotiableOrderOfWithdrawalAccounts	126000000	USD
CY2019Q1	fnb	Increase Decrease In Non Interest Bearing Deposits Savings And Negotiable Order Of Withdrawal Accounts IncreaseDecreaseInNonInterestBearingDepositsSavingsAndNegotiableOrderOfWithdrawalAccounts	205000000	USD
CY2020Q1	us-gaap	Increase Decrease In Time Deposits IncreaseDecreaseInTimeDeposits	-166000000	USD
CY2019Q1	us-gaap	Increase Decrease In Time Deposits IncreaseDecreaseInTimeDeposits	224000000	USD
CY2020Q1	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	228000000	USD
CY2019Q1	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	-18000000	USD
CY2020Q1	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	307000000	USD
CY2019Q1	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	228000000	USD
CY2020Q1	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	15000000	USD
CY2019Q1	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	179000000	USD
CY2020Q1	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	25000000	USD
CY2019Q1	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	0	USD
CY2020Q1	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	8000000	USD
CY2019Q1	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	1000000	USD
CY2020Q1	us-gaap	Payments Of Dividends Preferred Stock And Preference Stock PaymentsOfDividendsPreferredStockAndPreferenceStock	2000000	USD
CY2019Q1	us-gaap	Payments Of Dividends Preferred Stock And Preference Stock PaymentsOfDividendsPreferredStockAndPreferenceStock	2000000	USD
CY2020Q1	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	39000000	USD
CY2019Q1	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	39000000	USD
CY2020Q1	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	422000000	USD
CY2019Q1	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	420000000	USD
CY2020Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-35000000	USD
CY2019Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	9000000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	599000000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	488000000	USD
CY2020Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	564000000	USD
CY2019Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	497000000	USD
CY2020Q1	us-gaap	Nature Of Operations NatureOfOperations	<div style="line-height:120%;padding-top:16px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;font-weight:bold;">NATURE OF OPERATIONS</span></div><div style="line-height:120%;padding-top:16px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">F.N.B. Corporation, headquartered in Pittsburgh, Pennsylvania, is a diversified financial services company operating in </span><span style="font-family:inherit;font-size:10pt;"><span>seven</span></span><span style="font-family:inherit;font-size:10pt;"> states and the District of Columbia. Our market coverage spans several major metropolitan areas including: Pittsburgh, Pennsylvania; Baltimore, Maryland; Cleveland, Ohio; Washington, D.C.; and Charlotte, Raleigh, Durham and the Piedmont Triad (Winston-Salem, Greensboro and High Point) in North Carolina. As of </span><span style="font-family:inherit;font-size:10pt;">March 31, 2020</span><span style="font-family:inherit;font-size:10pt;">, we had </span><span style="font-family:inherit;font-size:10pt;"><span>369</span></span><span style="font-family:inherit;font-size:10pt;"> banking offices throughout Pennsylvania, Ohio, Maryland, West Virginia, North Carolina, South Carolina and Virginia. </span></div>We provide a full range of commercial banking, consumer banking and wealth management solutions through our subsidiary network which is led by our largest affiliate, FNBPA, founded in 1864. Commercial banking solutions include corporate banking, small business banking, investment real estate financing, government banking, business credit, capital markets and lease financing. Consumer banking provides a full line of consumer banking products and services including deposit products, mortgage lending, consumer lending and a complete suite of mobile and online banking services. Wealth management services include asset management, private banking and insurance.
CY2020Q1	us-gaap	Number Of States In Which Entity Operates NumberOfStatesInWhichEntityOperates	7	State
CY2020Q1	fnb	Number Of Banking Offices NumberOfBankingOffices	369	Office
CY2020Q1	us-gaap	Use Of Estimates UseOfEstimates	<div style="line-height:120%;padding-top:16px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;font-style:italic;font-weight:bold;">Use of Estimates</span></div><div style="line-height:120%;padding-top:16px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">Our accounting and reporting policies conform with GAAP. The preparation of financial statements in conformity with GAAP requires us to make estimates and assumptions that affect the amounts reported in the Consolidated Financial Statements and accompanying Notes to Consolidated Financial Statements (unaudited). Actual results could materially differ from those estimates. Material estimates that are particularly susceptible to significant changes include the ACL, accounting for loans acquired in a business combination prior to January 1, 2020, fair value of financial instruments, goodwill and other intangible assets, income taxes and deferred tax assets.</span></div>
CY2020Q1	fnb	Financing Receivable Purchasedwith Credit Deterioration Amountat Purchase Price Included With Allowance For Credit Losses Adjustment FinancingReceivablePurchasedwithCreditDeteriorationAmountatPurchasePriceIncludedWithAllowanceForCreditLossesAdjustment	50300000	USD
CY2020Q1	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	196000000	USD
CY2020Q1	us-gaap	Off Balance Sheet Credit Loss Liability OffBalanceSheetCreditLossLiability	3000000	USD
CY2020Q1	us-gaap	Debt Securities Available For Sale Allowance For Credit Loss DebtSecuritiesAvailableForSaleAllowanceForCreditLoss	0	USD
CY2020Q1	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	3111000000	USD
CY2020Q1	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	87000000	USD
CY2020Q1	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	4000000	USD
CY2020Q1	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	3194000000	USD
CY2019Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	3275000000	USD
CY2019Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	24000000	USD
CY2019Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	10000000	USD
CY2019Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	3289000000	USD
CY2020Q1	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	3179000000	USD
CY2020Q1	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Gain HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	89000000	USD
CY2020Q1	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	4000000	USD
CY2020Q1	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	3264000000	USD
CY2019Q4	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	3275000000	USD
CY2019Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Gain HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	42000000	USD
CY2019Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	12000000	USD
CY2019Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	3305000000	USD
CY2020Q1	us-gaap	Available For Sale Securities Debt Maturities Within One Year Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost	91000000	USD
CY2020Q1	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	92000000	USD
CY2020Q1	us-gaap	Held To Maturity Securities Debt Maturities Within One Year Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearNetCarryingAmount	63000000	USD
CY2020Q1	us-gaap	Held To Maturity Securities Debt Maturities Within One Year Fair Value HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearFairValue	64000000	USD
CY2020Q1	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost	120000000	USD
CY2020Q1	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	122000000	USD
CY2020Q1	us-gaap	Held To Maturity Securities Debt Maturities After One Through Five Years Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsNetCarryingAmount	110000000	USD
CY2020Q1	us-gaap	Held To Maturity Securities Debt Maturities After One Through Five Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	111000000	USD
CY2020Q1	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost	57000000	USD
CY2020Q1	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	57000000	USD
CY2020Q1	us-gaap	Held To Maturity Securities Debt Maturities After Five Through Ten Years Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsNetCarryingAmount	123000000	USD
CY2020Q1	us-gaap	Held To Maturity Securities Debt Maturities After Five Through Ten Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	125000000	USD
CY2020Q1	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost	82000000	USD
CY2020Q1	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue	81000000	USD
CY2020Q1	us-gaap	Held To Maturity Securities Debt Maturities After Ten Years Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsNetCarryingAmount	974000000	USD
CY2020Q1	us-gaap	Held To Maturity Securities Debt Maturities After Ten Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsFairValue	1000000000	USD
CY2020Q1	us-gaap	Available For Sale Securities Debt Maturities Single Maturity Date Amortized Cost Basis AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDateAmortizedCostBasis	350000000	USD
CY2020Q1	us-gaap	Available For Sale Securities Debt Maturities Single Maturity Date AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDate	352000000	USD
CY2020Q1	us-gaap	Held To Maturity Securities Debt Maturities Single Maturity Date Amortized Cost Basis HeldToMaturitySecuritiesDebtMaturitiesSingleMaturityDateAmortizedCostBasis	1270000000	USD
CY2020Q1	us-gaap	Held To Maturity Securities Debt Maturities Single Maturity Date Fair Value HeldToMaturitySecuritiesDebtMaturitiesSingleMaturityDateFairValue	1300000000	USD
CY2020Q1	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	3111000000	USD
CY2020Q1	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	3194000000	USD
CY2020Q1	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	3179000000	USD
CY2020Q1	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	3264000000	USD
CY2020Q1	fnb	Securities With Carrying Value Pledged To Secure Public Deposits Trust Deposits And For Other Purposes SecuritiesWithCarryingValuePledgedToSecurePublicDepositsTrustDepositsAndForOtherPurposes	4555000000	USD
CY2019Q4	fnb	Securities With Carrying Value Pledged To Secure Public Deposits Trust Deposits And For Other Purposes SecuritiesWithCarryingValuePledgedToSecurePublicDepositsTrustDepositsAndForOtherPurposes	4494000000	USD
CY2020Q1	us-gaap	Securities Held As Collateral At Fair Value SecuritiesHeldAsCollateralAtFairValue	263000000	USD
CY2019Q4	us-gaap	Securities Held As Collateral At Fair Value SecuritiesHeldAsCollateralAtFairValue	285000000	USD
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CY2019Q4	fnb	Percentage Of Securities Held As Collateral At Fair Value PercentageOfSecuritiesHeldAsCollateralAtFairValue	0.728
CY2020Q1	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Number Of Positions DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsNumberOfPositions	8	Security
CY2020Q1	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	139000000	USD
CY2020Q1	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	3000000	USD
CY2020Q1	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Number Of Positions DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerNumberOfPositions	16	Security
CY2020Q1	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	57000000	USD
CY2020Q1	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	1000000	USD
CY2020Q1	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Number Of Positions DebtSecuritiesAvailableForSaleUnrealizedLossPositionNumberOfPositions	24	Security
CY2020Q1	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	196000000	USD
CY2020Q1	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	4000000	USD
CY2019Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Number Of Positions DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsNumberOfPositions	32	Security
CY2019Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	685000000	USD
CY2019Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	4000000	USD
CY2019Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Number Of Positions DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerNumberOfPositions	78	Security
CY2019Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	712000000	USD
CY2019Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	6000000	USD
CY2019Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Number Of Positions DebtSecuritiesAvailableForSaleUnrealizedLossPositionNumberOfPositions	110	Security
CY2019Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	1397000000	USD
CY2019Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	10000000	USD
CY2020Q1	us-gaap	Municipal Debt Securities At Carrying Value MunicipalDebtSecuritiesAtCarryingValue	1100000000	USD
CY2020Q1	fnb	Municipal Bonds Percent With Formal Credit Enhancement Insurance MunicipalBondsPercentWithFormalCreditEnhancementInsurance	0.63
CY2020Q1	fnb	Debt Securities Heldtomaturity Provision Expense DebtSecuritiesHeldtomaturityProvisionExpense	10000.00	USD
CY2020Q1	us-gaap	Debt Securities Held To Maturity Allowance For Credit Loss DebtSecuritiesHeldToMaturityAllowanceForCreditLoss	60000.00	USD
CY2020Q1	fnb	Financing Receivable Accrued Interest Receivable FinancingReceivableAccruedInterestReceivable	60900000	USD
CY2020Q1	fnb	Financing Receivable Purchasedwith Credit Deterioration Amountat Purchase Price Included With Allowance For Credit Losses Adjustment FinancingReceivablePurchasedwithCreditDeteriorationAmountatPurchasePriceIncludedWithAllowanceForCreditLossesAdjustment	50300000	USD
CY2020Q1	us-gaap	Financing Receivable Purchased With Credit Deterioration Discount Premium FinancingReceivablePurchasedWithCreditDeteriorationDiscountPremium	110000000.0	USD
CY2020Q1	us-gaap	Notes Receivable Gross NotesReceivableGross	23871000000	USD
CY2019Q4	us-gaap	Notes Receivable Gross NotesReceivableGross	23289000000	USD
CY2020Q1	us-gaap	Financing Receivable Originated In Current Fiscal Year FinancingReceivableOriginatedInCurrentFiscalYear	1310000000	USD
CY2020Q1	us-gaap	Financing Receivable Originated In Fiscal Year Before Latest Fiscal Year FinancingReceivableOriginatedInFiscalYearBeforeLatestFiscalYear	5388000000	USD
CY2020Q1	us-gaap	Financing Receivable Originated Two Years Before Latest Fiscal Year FinancingReceivableOriginatedTwoYearsBeforeLatestFiscalYear	3893000000	USD
CY2020Q1	us-gaap	Financing Receivable Originated Three Years Before Latest Fiscal Year FinancingReceivableOriginatedThreeYearsBeforeLatestFiscalYear	3020000000	USD
CY2020Q1	us-gaap	Financing Receivable Originated Four Years Before Latest Fiscal Year FinancingReceivableOriginatedFourYearsBeforeLatestFiscalYear	2225000000	USD
CY2020Q1	us-gaap	Financing Receivable Originated Five Or More Years Before Latest Fiscal Year FinancingReceivableOriginatedFiveOrMoreYearsBeforeLatestFiscalYear	4946000000	USD
CY2020Q1	us-gaap	Financing Receivable Revolving FinancingReceivableRevolving	3089000000	USD
CY2020Q1	fnb	Financing Receivable Originatedand Revolving FinancingReceivableOriginatedandRevolving	23871000000	USD
CY2020Q1	fnb	Sustained Period Past Due For Impairment Evaluation SustainedPeriodPastDueForImpairmentEvaluation	P90D
CY2020Q1	fnb	Valuation For Impairment Of Loans With Pooled Reserves ValuationForImpairmentOfLoansWithPooledReserves	1000000.0	USD
CY2019Q1	us-gaap	Impaired Financing Receivable Interest Income Accrual Method ImpairedFinancingReceivableInterestIncomeAccrualMethod	1400000	USD
CY2020Q1	us-gaap	Financing Receivable Modifications Recorded Investment FinancingReceivableModificationsRecordedInvestment	94000000	USD
CY2019Q4	us-gaap	Financing Receivable Modifications Recorded Investment FinancingReceivableModificationsRecordedInvestment	56000000	USD
CY2020Q1	fnb	Restructured Loans Receivable Returned To Performing Status RestructuredLoansReceivableReturnedToPerformingStatus	3700000	USD
CY2020Q1	fnb	Financing Receivable Pooled Allowance Restructured FinancingReceivablePooledAllowanceRestructured	4900000	USD
CY2019Q4	fnb	Financing Receivable Pooled Allowance Restructured FinancingReceivablePooledAllowanceRestructured	4100000	USD
CY2020Q1	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	60	Contract
CY2020Q1	us-gaap	Financing Receivable Modifications Pre Modification Recorded Investment2 FinancingReceivableModificationsPreModificationRecordedInvestment2	5000000	USD
CY2020Q1	us-gaap	Financing Receivable Modifications Post Modification Recorded Investment2 FinancingReceivableModificationsPostModificationRecordedInvestment2	4000000	USD
CY2019Q1	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	42	Contract
CY2019Q1	us-gaap	Financing Receivable Modifications Pre Modification Recorded Investment2 FinancingReceivableModificationsPreModificationRecordedInvestment2	2000000	USD
CY2019Q1	us-gaap	Financing Receivable Modifications Post Modification Recorded Investment2 FinancingReceivableModificationsPostModificationRecordedInvestment2	2000000	USD
CY2020Q1	us-gaap	Financing Receivable Modifications Subsequent Default Number Of Contracts1 FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1	17	Contract
CY2020Q1	us-gaap	Financing Receivable Modifications Subsequent Default Recorded Investment1 FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1	4000000	USD
CY2019Q1	us-gaap	Financing Receivable Modifications Subsequent Default Number Of Contracts1 FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1	6	Contract
CY2019Q1	us-gaap	Financing Receivable Modifications Subsequent Default Recorded Investment1 FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1	0	USD
CY2018Q4	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYield	605000000	USD
CY2019Q1	fnb	Certain Loans Acquired In Transfer Not Accounted For As Available For Sale Debt Securities Accretable Yield Reduction Due To Early Payoffs CertainLoansAcquiredInTransferNotAccountedForAsAvailableForSaleDebtSecuritiesAccretableYieldReductionDueToEarlyPayoffs	20000000	USD
CY2019Q1	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield Reclassifications From Nonaccretable Difference CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldReclassificationsFromNonaccretableDifference	30000000	USD
CY2019Q1	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield Disposals Of Loans CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldDisposalsOfLoans	0	USD
CY2019Q1	fnb	Certain Loans Acquiredin Transfer Not Accountedforas Debt Securities Accretable Yield Other CertainLoansAcquiredinTransferNotAccountedforasDebtSecuritiesAccretableYieldOther	0	USD
CY2019Q1	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield Accretion CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldAccretion	50000000	USD
CY2019Q1	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYield	565000000	USD
CY2019Q1	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield Reclassifications From Nonaccretable Difference CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldReclassificationsFromNonaccretableDifference	30000000.0	USD
CY2019Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	196000000	USD
CY2020Q1	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	12000000	USD
CY2020Q1	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	6000000	USD
CY2020Q1	fnb	Financing Receivable Allowancefor Credit Loss Writeoff Net FinancingReceivableAllowanceforCreditLossWriteoffNet	6000000	USD
CY2020Q1	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	48000000	USD
CY2020Q1	fnb	Financing Receivable Allowancefor Credit Loss Not Previously Recorded FinancingReceivableAllowanceforCreditLossNotPreviouslyRecorded	55000000	USD
CY2020Q1	us-gaap	Financing Receivable Allowance For Credit Loss Purchased With Credit Deterioration Increase FinancingReceivableAllowanceForCreditLossPurchasedWithCreditDeteriorationIncrease	50000000	USD
CY2020Q1	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	343000000	USD
CY2020Q1	us-gaap	Financing Receivable Allowance For Credit Losses Period Increase Decrease FinancingReceivableAllowanceForCreditLossesPeriodIncreaseDecrease	105000000	USD
CY2020Q1	fnb	Financing Receivable Allowancefor Credit Loss Net FinancingReceivableAllowanceforCreditLossNet	343300000	USD
CY2020Q1	us-gaap	Financing Receivable Allowance For Credit Losses Period Increase Decrease FinancingReceivableAllowanceForCreditLossesPeriodIncreaseDecrease	147400000	USD
CY2020Q1	fnb	Financing Receivable Allowancefor Credit Loss Period Increase Decrease Percentage FinancingReceivableAllowanceforCreditLossPeriodIncreaseDecreasePercentage	0.753
CY2020Q1	us-gaap	Financing Receivable Allowance For Credit Losses Period Increase Decrease FinancingReceivableAllowanceForCreditLossesPeriodIncreaseDecrease	105300000	USD
CY2020Q1	fnb	Financing Receivable Allowancefor Credit Loss Ratio FinancingReceivableAllowanceforCreditLossRatio	0.0144
CY2020Q1	fnb	Provision For Credit Losses Net Of Tax ProvisionForCreditLossesNetOfTax	47800000	USD
CY2020Q1	fnb	Provision For Credit Losses Macroeconomic Condition Adjustment ProvisionForCreditLossesMacroeconomicConditionAdjustment	38000000	USD
CY2020Q1	us-gaap	Allowance For Loan And Lease Losses Write Offs AllowanceForLoanAndLeaseLossesWriteOffs	5700000	USD
CY2019Q1	us-gaap	Allowance For Loan And Lease Losses Write Offs AllowanceForLoanAndLeaseLossesWriteOffs	7600000	USD
CY2018Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	180000000	USD
CY2019Q1	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	10000000	USD
CY2019Q1	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	2000000	USD
CY2019Q1	fnb	Financing Receivable Allowancefor Credit Loss Writeoff Net FinancingReceivableAllowanceforCreditLossWriteoffNet	8000000	USD
CY2019Q1	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	14000000	USD
CY2019Q1	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	186000000	USD
CY2020Q1	us-gaap	Number Of Reporting Units NumberOfReportingUnits	3	Segment
CY2020Q1	us-gaap	Reporting Unit Percentage Of Fair Value In Excess Of Carrying Amount ReportingUnitPercentageOfFairValueInExcessOfCarryingAmount	0.10
CY2020Q1	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	123800000	USD
CY2020Q1	us-gaap	Operating Lease Liability OperatingLeaseLiability	131100000	USD
CY2020Q1	fnb	Operating Lease Lease Notyet Commenced Expense OperatingLeaseLeaseNotyetCommencedExpense	26000000	USD
CY2020Q1	us-gaap	Operating Lease Cost OperatingLeaseCost	7000000	USD
CY2019Q1	us-gaap	Operating Lease Cost OperatingLeaseCost	7000000	USD
CY2020Q1	us-gaap	Variable Lease Cost VariableLeaseCost	1000000	USD
CY2019Q1	us-gaap	Variable Lease Cost VariableLeaseCost	1000000	USD
CY2020Q1	us-gaap	Lease Cost LeaseCost	8000000	USD
CY2019Q1	us-gaap	Lease Cost LeaseCost	8000000	USD
CY2020Q1	us-gaap	Operating Lease Payments OperatingLeasePayments	6000000	USD
CY2019Q1	us-gaap	Operating Lease Payments OperatingLeasePayments	7000000	USD
CY2020Q1	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	4000000	USD
CY2019Q1	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	1000000	USD
CY2020Q1	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P9Y7M20D
CY2019Q1	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P8Y10M9D
CY2020Q1	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.029
CY2019Q1	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.031
CY2020Q1	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	19000000	USD
CY2020Q1	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	23000000	USD
CY2020Q1	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	18000000	USD
CY2020Q1	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	14000000	USD
CY2020Q1	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	13000000	USD
CY2020Q1	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	66000000	USD
CY2020Q1	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	153000000	USD
CY2020Q1	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	22000000	USD
CY2020Q1	us-gaap	Operating Lease Liability OperatingLeaseLiability	131000000	USD
CY2020Q1	fnb	Proportional Amortization Method Qualified Affordable Housing Project Investments Other Assets ProportionalAmortizationMethodQualifiedAffordableHousingProjectInvestmentsOtherAssets	66000000	USD
CY2019Q4	fnb	Proportional Amortization Method Qualified Affordable Housing Project Investments Other Assets ProportionalAmortizationMethodQualifiedAffordableHousingProjectInvestmentsOtherAssets	55000000	USD
CY2020Q1	fnb	Equity Method Qualified Affordable Housing Project Investments Other Assets EquityMethodQualifiedAffordableHousingProjectInvestmentsOtherAssets	4000000	USD
CY2019Q4	fnb	Equity Method Qualified Affordable Housing Project Investments Other Assets EquityMethodQualifiedAffordableHousingProjectInvestmentsOtherAssets	5000000	USD
CY2020Q1	fnb	Qualified Affordable Housing Project Investments Other Assets QualifiedAffordableHousingProjectInvestmentsOtherAssets	70000000	USD
CY2019Q4	fnb	Qualified Affordable Housing Project Investments Other Assets QualifiedAffordableHousingProjectInvestmentsOtherAssets	60000000	USD
CY2020Q1	fnb	Qualified Affordable Housing Project Investments Unfunded Commitments QualifiedAffordableHousingProjectInvestmentsUnfundedCommitments	47000000	USD
CY2019Q4	fnb	Qualified Affordable Housing Project Investments Unfunded Commitments QualifiedAffordableHousingProjectInvestmentsUnfundedCommitments	60000000	USD
CY2020Q1	us-gaap	Amortization Method Qualified Affordable Housing Project Investments Amortization AmortizationMethodQualifiedAffordableHousingProjectInvestmentsAmortization	0	USD
CY2019Q1	us-gaap	Amortization Method Qualified Affordable Housing Project Investments Amortization AmortizationMethodQualifiedAffordableHousingProjectInvestmentsAmortization	0	USD
CY2020Q1	fnb	Proportional Amortization Method Qualified Affordable Housing Project Investments Amortization ProportionalAmortizationMethodQualifiedAffordableHousingProjectInvestmentsAmortization	3000000	USD
CY2019Q1	fnb	Proportional Amortization Method Qualified Affordable Housing Project Investments Amortization ProportionalAmortizationMethodQualifiedAffordableHousingProjectInvestmentsAmortization	2000000	USD
CY2020Q1	fnb	Amortization Method Qualified Affordable Housing Project Investments Low Income Housing Tax Credit AmortizationMethodQualifiedAffordableHousingProjectInvestmentsLowIncomeHousingTaxCredit	-3000000	USD
CY2019Q1	fnb	Amortization Method Qualified Affordable Housing Project Investments Low Income Housing Tax Credit AmortizationMethodQualifiedAffordableHousingProjectInvestmentsLowIncomeHousingTaxCredit	-2000000	USD
CY2020Q1	fnb	Amortization Method Qualified Affordable Housing Project Investments Other Tax Benefits Relatedto Tax Credit Investments AmortizationMethodQualifiedAffordableHousingProjectInvestmentsOtherTaxBenefitsRelatedtoTaxCreditInvestments	-1000000	USD
CY2019Q1	fnb	Amortization Method Qualified Affordable Housing Project Investments Other Tax Benefits Relatedto Tax Credit Investments AmortizationMethodQualifiedAffordableHousingProjectInvestmentsOtherTaxBenefitsRelatedtoTaxCreditInvestments	0	USD
CY2020Q1	fnb	Amortization Method Qualified Affordable Housing Project Investments Provision For Income Tax AmortizationMethodQualifiedAffordableHousingProjectInvestmentsProvisionForIncomeTax	-1000000	USD
CY2019Q1	fnb	Amortization Method Qualified Affordable Housing Project Investments Provision For Income Tax AmortizationMethodQualifiedAffordableHousingProjectInvestmentsProvisionForIncomeTax	0	USD
CY2020Q1	us-gaap	Securities Sold Under Agreements To Repurchase SecuritiesSoldUnderAgreementsToRepurchase	261000000	USD
CY2019Q4	us-gaap	Securities Sold Under Agreements To Repurchase SecuritiesSoldUnderAgreementsToRepurchase	278000000	USD
CY2020Q1	us-gaap	Federal Home Loan Bank Advances Maturities Summary Due Within One Year Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueWithinOneYearOfBalanceSheetDate	2055000000	USD
CY2019Q4	us-gaap	Federal Home Loan Bank Advances Maturities Summary Due Within One Year Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueWithinOneYearOfBalanceSheetDate	2255000000	USD
CY2020Q1	us-gaap	Federal Funds Purchased FederalFundsPurchased	1020000000	USD
CY2019Q4	us-gaap	Federal Funds Purchased FederalFundsPurchased	575000000	USD
CY2020Q1	fnb	Subordinated Notes Short Term SubordinatedNotesShortTerm	107000000	USD
CY2019Q4	fnb	Subordinated Notes Short Term SubordinatedNotesShortTerm	108000000	USD
CY2020Q1	us-gaap	Short Term Borrowings ShortTermBorrowings	3443000000	USD
CY2019Q4	us-gaap	Short Term Borrowings ShortTermBorrowings	3216000000	USD
CY2020Q1	fnb	Shortterm Advances ShorttermAdvances	1700000000	USD
CY2020Q1	fnb	Shortterm Advances Percentage Bearing Fixed Interest Rate ShorttermAdvancesPercentageBearingFixedInterestRate	0.805
CY2019Q4	fnb	Shortterm Advances ShorttermAdvances	1500000000	USD
CY2019Q4	fnb	Shortterm Advances Percentage Bearing Fixed Interest Rate ShorttermAdvancesPercentageBearingFixedInterestRate	0.645
CY2020Q1	us-gaap	Federal Home Loan Bank Advances Long Term FederalHomeLoanBankAdvancesLongTerm	930000000	USD
CY2019Q4	us-gaap	Federal Home Loan Bank Advances Long Term FederalHomeLoanBankAdvancesLongTerm	935000000	USD
CY2020Q1	us-gaap	Senior Notes SeniorNotes	298000000	USD
CY2019Q4	us-gaap	Senior Notes SeniorNotes	0	USD
CY2020Q1	us-gaap	Subordinated Long Term Debt SubordinatedLongTermDebt	90000000	USD
CY2019Q4	us-gaap	Subordinated Long Term Debt SubordinatedLongTermDebt	90000000	USD
CY2020Q1	us-gaap	Junior Subordinated Debenture Owed To Unconsolidated Subsidiary Trust JuniorSubordinatedDebentureOwedToUnconsolidatedSubsidiaryTrust	66000000	USD
CY2019Q4	us-gaap	Junior Subordinated Debenture Owed To Unconsolidated Subsidiary Trust JuniorSubordinatedDebentureOwedToUnconsolidatedSubsidiaryTrust	66000000	USD
CY2020Q1	us-gaap	Other Long Term Debt OtherLongTermDebt	249000000	USD
CY2019Q4	us-gaap	Other Long Term Debt OtherLongTermDebt	249000000	USD
CY2020Q1	us-gaap	Long Term Debt LongTermDebt	1633000000	USD
CY2019Q4	us-gaap	Long Term Debt LongTermDebt	1340000000	USD
CY2020Q1	us-gaap	Debt Instrument Face Amount DebtInstrumentFaceAmount	558000000	USD
CY2020Q1	us-gaap	Proceeds From Debt Net Of Issuance Costs ProceedsFromDebtNetOfIssuanceCosts	560000000	USD
CY2020Q1	us-gaap	Long Term Debt Fair Value LongTermDebtFairValue	547000000	USD
CY2020Q1	us-gaap	Junior Subordinated Debenture Owed To Unconsolidated Subsidiary Trust JuniorSubordinatedDebentureOwedToUnconsolidatedSubsidiaryTrust	66000000	USD
CY2020Q1	us-gaap	Derivative Fair Value Of Derivative Asset Amount Not Offset Against Collateral DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral	4000000	USD
CY2020Q1	us-gaap	Derivative Fair Value Of Derivative Liability Amount Not Offset Against Collateral DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral	43000000	USD
CY2019Q4	us-gaap	Derivative Fair Value Of Derivative Asset Amount Not Offset Against Collateral DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral	1000000	USD
CY2019Q4	us-gaap	Derivative Fair Value Of Derivative Liability Amount Not Offset Against Collateral DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral	23000000	USD
CY2020Q1	us-gaap	Derivative Asset Not Subject To Master Netting Arrangement DerivativeAssetNotSubjectToMasterNettingArrangement	402000000	USD
CY2020Q1	us-gaap	Derivative Liabilities DerivativeLiabilities	50000000	USD
CY2020Q1	us-gaap	Derivative Liability Not Subject To Master Netting Arrangement DerivativeLiabilityNotSubjectToMasterNettingArrangement	7000000	USD
CY2019Q4	us-gaap	Derivative Asset Not Subject To Master Netting Arrangement DerivativeAssetNotSubjectToMasterNettingArrangement	153000000	USD
CY2019Q4	us-gaap	Derivative Liability Not Subject To Master Netting Arrangement DerivativeLiabilityNotSubjectToMasterNettingArrangement	2000000	USD
CY2020Q1	us-gaap	Derivative Notional Amount DerivativeNotionalAmount	10648000000	USD
CY2020Q1	us-gaap	Derivative Assets DerivativeAssets	406000000	USD
CY2019Q4	us-gaap	Derivative Notional Amount DerivativeNotionalAmount	9558000000	USD
CY2019Q4	us-gaap	Derivative Assets DerivativeAssets	154000000	USD
CY2019Q4	us-gaap	Derivative Liabilities DerivativeLiabilities	25000000	USD
CY2020Q1	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	266000000	USD
CY2020Q1	us-gaap	Interest Expense Short Term Borrowings InterestExpenseShortTermBorrowings	14000000	USD
CY2019Q1	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	269000000	USD
CY2019Q1	us-gaap	Interest Expense Short Term Borrowings InterestExpenseShortTermBorrowings	26000000	USD
CY2020Q1	us-gaap	Additional Collateral Aggregate Fair Value AdditionalCollateralAggregateFairValue	300000	USD
CY2019Q4	us-gaap	Additional Collateral Aggregate Fair Value AdditionalCollateralAggregateFairValue	100000	USD
CY2020Q1	us-gaap	Derivative Fair Value Of Derivative Asset Amount Not Offset Against Collateral DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral	4000000	USD
CY2020Q1	us-gaap	Derivative Collateral Obligation To Return Securities DerivativeCollateralObligationToReturnSecurities	1000000	USD
CY2020Q1	us-gaap	Derivative Collateral Obligation To Return Cash DerivativeCollateralObligationToReturnCash	3000000	USD
CY2020Q1	us-gaap	Derivative Fair Value Of Derivative Asset Amount Offset Against Collateral DerivativeFairValueOfDerivativeAssetAmountOffsetAgainstCollateral	0	USD
CY2020Q1	us-gaap	Derivative Fair Value Of Derivative Liability Amount Not Offset Against Collateral DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral	43000000	USD
CY2020Q1	us-gaap	Derivative Collateral Right To Reclaim Securities DerivativeCollateralRightToReclaimSecurities	41000000	USD
CY2020Q1	us-gaap	Derivative Collateral Right To Reclaim Cash DerivativeCollateralRightToReclaimCash	2000000	USD
CY2020Q1	us-gaap	Derivative Fair Value Of Derivative Liability Amount Offset Against Collateral DerivativeFairValueOfDerivativeLiabilityAmountOffsetAgainstCollateral	0	USD
CY2019Q4	us-gaap	Derivative Fair Value Of Derivative Asset Amount Not Offset Against Collateral DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral	1000000	USD
CY2019Q4	us-gaap	Derivative Collateral Obligation To Return Securities DerivativeCollateralObligationToReturnSecurities	1000000	USD
CY2019Q4	us-gaap	Derivative Collateral Obligation To Return Cash DerivativeCollateralObligationToReturnCash	0	USD
CY2019Q4	us-gaap	Derivative Fair Value Of Derivative Asset Amount Offset Against Collateral DerivativeFairValueOfDerivativeAssetAmountOffsetAgainstCollateral	0	USD
CY2019Q4	us-gaap	Derivative Fair Value Of Derivative Liability Amount Not Offset Against Collateral DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral	23000000	USD
CY2019Q4	us-gaap	Derivative Collateral Right To Reclaim Securities DerivativeCollateralRightToReclaimSecurities	23000000	USD
CY2019Q4	us-gaap	Derivative Collateral Right To Reclaim Cash DerivativeCollateralRightToReclaimCash	0	USD
CY2019Q4	us-gaap	Derivative Fair Value Of Derivative Liability Amount Offset Against Collateral DerivativeFairValueOfDerivativeLiabilityAmountOffsetAgainstCollateral	0	USD
CY2020Q1	fnb	Percentage Of Commitments To Extend Credit Dependent On Financial Condition PercentageOfCommitmentsToExtendCreditDependentOnFinancialCondition	0.680
CY2020Q1	fnb	Allowance For Credit Losses On Loan Commitments AllowanceForCreditLossesOnLoanCommitments	13900000	USD
CY2020Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Authorized ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized	1618526	shares
CY2019Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	22000000	USD
CY2020Q1	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
CY2019Q1	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
CY2020Q1	fnb	Increase Decrease In Stock Compensation Expense IncreaseDecreaseInStockCompensationExpense	6400000	USD
CY2020Q1	fnb	Increase Decrease In Stock Compensation Expense Percentage IncreaseDecreaseInStockCompensationExpensePercentage	2.71
CY2020Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber	4873368	shares
CY2020Q1	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized	19000000	USD
CY2020Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	36000000	USD
CY2020Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Outstanding Weighted Average Remaining Contractual Terms ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageRemainingContractualTerms	P2Y21D
CY2020Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	231646	shares
CY2020Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	8.22
CY2019Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	422501	shares
CY2019Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	8.00
CY2020Q1	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	100000	USD
CY2020Q1	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	7000000	USD
CY2019Q1	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	18000000	USD
CY2020Q1	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	2000000	USD
CY2019Q1	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	2000000	USD
CY2020Q1	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	9000000	USD
CY2019Q1	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	20000000	USD
CY2020Q1	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	2000000	USD
CY2019Q1	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	2000000	USD
CY2020Q1	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	0	USD
CY2019Q1	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	0	USD
CY2020Q1	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	2000000	USD
CY2019Q1	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	2000000	USD
CY2020Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	11000000	USD
CY2020Q1	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.188
CY2019Q1	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.193
CY2020Q1	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	32100000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	25100000	USD
CY2020Q1	us-gaap	Oci Before Reclassifications Net Of Tax Attributable To Parent OciBeforeReclassificationsNetOfTaxAttributableToParent	19000000	USD
CY2020Q1	us-gaap	Reclassification From Aoci Current Period Net Of Tax Attributable To Parent ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent	-1000000	USD
CY2020Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	20000000	USD
CY2020Q1	us-gaap	Net Income Loss NetIncomeLoss	47000000	USD
CY2019Q1	us-gaap	Net Income Loss NetIncomeLoss	94000000	USD
CY2020Q1	us-gaap	Dividends Preferred Stock DividendsPreferredStock	2000000	USD
CY2019Q1	us-gaap	Dividends Preferred Stock DividendsPreferredStock	2000000	USD
CY2020Q1	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	45000000	USD
CY2019Q1	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	92000000	USD
CY2020Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	324247710	shares
CY2019Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	324640715	shares
CY2020Q1	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	1797472	shares
CY2019Q1	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	1188119	shares
CY2020Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	326045182	shares
CY2019Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	325828834	shares
CY2020Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.14
CY2019Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.28
CY2020Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.14
CY2019Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.28
CY2020Q1	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	450	shares
CY2019Q1	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	189	shares
CY2020Q1	us-gaap	Interest Paid InterestPaid	75000000	USD
CY2019Q1	us-gaap	Interest Paid InterestPaid	77000000	USD
CY2020Q1	us-gaap	Transfer Of Other Real Estate TransferOfOtherRealEstate	1000000	USD
CY2019Q1	us-gaap	Transfer Of Other Real Estate TransferOfOtherRealEstate	2000000	USD
CY2020Q1	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	3	Segment
CY2020Q1	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	306000000	USD
CY2020Q1	us-gaap	Interest Expense InterestExpense	74000000	USD
CY2020Q1	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	232000000	USD
CY2020Q1	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	48000000	USD
CY2020Q1	us-gaap	Noninterest Income NoninterestIncome	69000000	USD
CY2020Q1	fnb	Non Interest Expense Excluding Amortization Of Intangibles NonInterestExpenseExcludingAmortizationOfIntangibles	192000000	USD
CY2020Q1	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	3000000	USD
CY2020Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	11000000	USD
CY2020Q1	us-gaap	Net Income Loss NetIncomeLoss	47000000	USD
CY2020Q1	us-gaap	Assets Assets	35049000000	USD
CY2020Q1	us-gaap	Intangible Assets Net Including Goodwill IntangibleAssetsNetIncludingGoodwill	2326000000	USD
CY2019Q1	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	310000000	USD
CY2019Q1	us-gaap	Interest Expense InterestExpense	79000000	USD
CY2019Q1	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	231000000	USD
CY2019Q1	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	14000000	USD
CY2019Q1	us-gaap	Noninterest Income NoninterestIncome	65000000	USD
CY2019Q1	fnb	Non Interest Expense Excluding Amortization Of Intangibles NonInterestExpenseExcludingAmortizationOfIntangibles	162000000	USD
CY2019Q1	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	4000000	USD
CY2019Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	22000000	USD
CY2019Q1	us-gaap	Net Income Loss NetIncomeLoss	94000000	USD
CY2019Q1	us-gaap	Assets Assets	33695000000	USD
CY2019Q1	us-gaap	Intangible Assets Net Including Goodwill IntangibleAssetsNetIncludingGoodwill	2330000000	USD
CY2020Q1	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Out Of Level3 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3	0	USD
CY2020Q1	fnb	Impaired Loans Fair Value Disclosure ImpairedLoansFairValueDisclosure	5700000	USD
CY2020Q1	fnb	Provision For Loan And Lease Losses Fair Value Disclosure ProvisionForLoanAndLeaseLossesFairValueDisclosure	2800000	USD
CY2020Q1	fnb	Other Real Estate Fair Value Disclosure OtherRealEstateFairValueDisclosure	8600000	USD
CY2020Q1	fnb	Other Real Estate Owned Written Down Value OtherRealEstateOwnedWrittenDownValue	7800000	USD
CY2020Q1	fnb	Gains Losses Included In Earnings On Non Recurring Assets Write Down GainsLossesIncludedInEarningsOnNonRecurringAssetsWriteDown	800000	USD
CY2020Q1	fnb	Paycheck Protection Program Percentageof Total Loansand Leases PaycheckProtectionProgramPercentageofTotalLoansandLeases	0.11

Files In Submission

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2020 Q1 Form 10-Q Financial Statement

#000003780820000009 Filed on May 07, 2020

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$FNB FNB CORP/PA/ Stock $fnb

2020 Q1 Form 10-Q Financial Statement

#000003780820000009 Filed on May 07, 2020

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$FNB
FNB CORP/PA/ Stock $fnb