$FNB
FNB CORP/PA/ Stock $fnb

$fnb Overview Financials Valuation SEC Filings Company Website

2024 Q2 Form 10-Q Financial Statement

#000003780824000011 Filed on May 08, 2024

Income Statement

Concept	2024 Q2	2024 Q1
Revenue	$557.0M	$543.0M
YoY Change	15.08%	22.3%
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	$18.00M	$14.00M
YoY Change	-14.29%	-33.33%
% of Gross Profit
Operating Expenses
YoY Change
Operating Profit
YoY Change
Interest Expense		$224.0M
YoY Change		109.35%
% of Operating Profit
Other Income/Expense, Net
YoY Change
Pretax Income	$157.0M	$155.9M
YoY Change	-12.32%	-14.38%
Income Tax	$33.97M	$33.55M
% Of Pretax Income	21.64%	21.52%
Net Earnings	$123.0M	$116.3M
YoY Change	-12.36%	-19.49%
Net Earnings / Revenue	22.09%	21.42%
Basic Earnings Per Share	$0.34	$0.32
Diluted Earnings Per Share	$0.34	$0.32
COMMON SHARES
Basic Shares Outstanding	359.8M shares	358.9M shares
Diluted Shares Outstanding	362.7M shares	362.6M shares

Balance Sheet

Concept	2024 Q2	2024 Q1
SHORT-TERM ASSETS
Cash & Short-Term Investments
YoY Change
Cash & Equivalents	$1.880B	$1.487B
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	$489.0M	$474.0M
YoY Change	5.16%	-19.26%
Goodwill	$2.477B	$2.477B
YoY Change	0.0%	0.0%
Intangibles	$60.00M	$65.00M
YoY Change	-24.05%	-22.62%
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	$47.72B	$45.90B
YoY Change	6.56%	3.96%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable
YoY Change
Accrued Expenses	$240.4M	$212.4M
YoY Change	66.14%	46.28%
Deferred Revenue
YoY Change
Short-Term Debt	$3.616B	$2.074B
YoY Change	51.23%	-3.49%
Long-Term Debt Due	$127.0M	$117.0M
YoY Change	11.4%	-1.68%
Total Short-Term Liabilities	$3.616B	$2.074B
YoY Change	51.23%	198.76%
LONG-TERM LIABILITIES
Long-Term Debt	$2.016B	$2.121B
YoY Change	1.77%	165.79%
Other Long-Term Liabilities	$999.0M	$960.0M
YoY Change	30.93%	66.72%
Total Long-Term Liabilities	$3.015B	$3.081B
YoY Change	9.88%	124.27%
TOTAL LIABILITIES
Total Short-Term Liabilities	$3.616B	$2.074B
Total Long-Term Liabilities	$3.015B	$3.081B
Total Liabilities	$41.63B	$39.89B
YoY Change	6.84%	3.99%
SHAREHOLDERS EQUITY
Retained Earnings	$1.820B	$1.740B
YoY Change	16.37%	18.29%
Common Stock	$4.694B	$4.698B
YoY Change	0.09%	0.02%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$6.090B	$6.006B
YoY Change
Total Liabilities & Shareholders Equity	$47.72B	$45.90B
YoY Change	6.56%	3.96%

Cashflow Statement

Concept	2024 Q2	2024 Q1
OPERATING ACTIVITIES
Net Income	$123.0M	$116.3M
YoY Change	-12.36%	-19.49%
Depreciation, Depletion And Amortization	$18.00M	$14.00M
YoY Change	-14.29%	-33.33%
Cash From Operating Activities	$85.00M	$245.0M
YoY Change	-34.62%	1189.47%
INVESTING ACTIVITIES
Capital Expenditures	$30.00M	$29.00M
YoY Change	11.11%	-12.12%
Acquisitions
YoY Change
Other Investing Activities	-$1.310B	$105.0M
YoY Change	115.11%	-136.97%
Cash From Investing Activities	-$1.340B	$76.00M
YoY Change	110.69%	-123.97%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net		$11.00M
YoY Change		-96.41%
Cash From Financing Activities	1.648B	-$410.0M
YoY Change	238.4%	-218.16%
NET CHANGE
Cash From Operating Activities	85.00M	$245.0M
Cash From Investing Activities	-1.340B	$76.00M
Cash From Financing Activities	1.648B	-$410.0M
Net Change In Cash	393.0M	-$89.00M
YoY Change	-2168.42%	-281.63%
FREE CASH FLOW
Cash From Operating Activities	$85.00M	$245.0M
Capital Expenditures	$30.00M	$29.00M
Free Cash Flow	$55.00M	$216.0M
YoY Change	-46.6%	-1642.86%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2023	us-gaap	Accounting Standards Update Extensible List AccountingStandardsUpdateExtensibleList	http://www.fnb-online.com/20240331#AccountingStandardsUpdate202302Member
CY2023	us-gaap	Accounting Standards Update Extensible List AccountingStandardsUpdateExtensibleList	http://www.fnb-online.com/20240331#AccountingStandardsUpdate202302Member
CY2024Q1	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	46000000	usd
CY2023Q1	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	36000000	usd
CY2024Q1	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	7000000	usd
CY2023Q1	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	7000000	usd
CY2024Q1	us-gaap	Other Interest And Dividend Income OtherInterestAndDividendIncome	9000000	usd
CY2023Q1	us-gaap	Other Interest And Dividend Income OtherInterestAndDividendIncome	7000000	usd
CY2024Q1	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	543000000	usd
CY2023Q1	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	444000000	usd
CY2024Q1	us-gaap	Interest Expense Deposits InterestExpenseDeposits	170000000	usd
CY2023Q1	us-gaap	Interest Expense Deposits InterestExpenseDeposits	84000000	usd
CY2024Q1	us-gaap	Interest Expense Short Term Borrowings InterestExpenseShortTermBorrowings	28000000	usd
CY2023Q1	us-gaap	Interest Expense Short Term Borrowings InterestExpenseShortTermBorrowings	10000000	usd
CY2023Q1	us-gaap	Noninterest Expense NoninterestExpense	220000000	usd
CY2024Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	156000000	usd
CY2023Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	182000000	usd
CY2024Q1	us-gaap	Interest Expense Long Term Debt InterestExpenseLongTermDebt	26000000	usd
CY2023Q1	us-gaap	Interest Expense Long Term Debt InterestExpenseLongTermDebt	13000000	usd
CY2024Q1	us-gaap	Interest Expense InterestExpense	224000000	usd
CY2023Q1	us-gaap	Interest Expense InterestExpense	107000000	usd
CY2024Q1	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	319000000	usd
CY2023Q1	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	337000000	usd
CY2024Q1	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	14000000	usd
CY2023Q1	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	14000000	usd
CY2024Q1	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	305000000	usd
CY2023Q1	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	323000000	usd
CY2024Q1	fnb	Service Charges ServiceCharges	21000000	usd
CY2023Q1	fnb	Service Charges ServiceCharges	20000000	usd
CY2024Q1	fnb	Interchange And Card Transaction Fees InterchangeAndCardTransactionFees	13000000	usd
CY2023Q1	fnb	Interchange And Card Transaction Fees InterchangeAndCardTransactionFees	12000000	usd
CY2024Q1	fnb	Trust Services TrustServices	11000000	usd
CY2023Q1	fnb	Trust Services TrustServices	11000000	usd
CY2024Q1	us-gaap	Insurance Commissions And Fees InsuranceCommissionsAndFees	7000000	usd
CY2023Q1	us-gaap	Insurance Commissions And Fees InsuranceCommissionsAndFees	8000000	usd
CY2024Q1	us-gaap	Investment Banking Advisory Brokerage And Underwriting Fees And Commissions InvestmentBankingAdvisoryBrokerageAndUnderwritingFeesAndCommissions	8000000	usd
CY2023Q1	us-gaap	Investment Banking Advisory Brokerage And Underwriting Fees And Commissions InvestmentBankingAdvisoryBrokerageAndUnderwritingFeesAndCommissions	7000000	usd
CY2024Q1	fnb	Capital Markets Income CapitalMarketsIncome	6000000	usd
CY2023Q1	fnb	Capital Markets Income CapitalMarketsIncome	7000000	usd
CY2024Q1	fnb	Mortgage Banking Operating Income MortgageBankingOperatingIncome	8000000	usd
CY2023Q1	fnb	Mortgage Banking Operating Income MortgageBankingOperatingIncome	5000000	usd
CY2024Q1	fnb	Dividendson Nonmarketable Equity Securities DividendsonNonmarketableEquitySecurities	6000000	usd
CY2023Q1	fnb	Dividendson Nonmarketable Equity Securities DividendsonNonmarketableEquitySecurities	4000000	usd
CY2024Q1	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	3000000	usd
CY2023Q1	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	3000000	usd
CY2024Q1	us-gaap	Noninterest Income Other NoninterestIncomeOther	5000000	usd
CY2023Q1	us-gaap	Noninterest Income Other NoninterestIncomeOther	2000000	usd
CY2024Q1	us-gaap	Noninterest Income NoninterestIncome	88000000	usd
CY2023Q1	us-gaap	Noninterest Income NoninterestIncome	79000000	usd
CY2024Q1	us-gaap	Labor And Related Expense LaborAndRelatedExpense	129000000	usd
CY2023Q1	us-gaap	Labor And Related Expense LaborAndRelatedExpense	120000000	usd
CY2024Q1	us-gaap	Occupancy Net OccupancyNet	20000000	usd
CY2023Q1	us-gaap	Occupancy Net OccupancyNet	17000000	usd
CY2024Q1	us-gaap	Equipment Expense EquipmentExpense	24000000	usd
CY2023Q1	us-gaap	Equipment Expense EquipmentExpense	22000000	usd
CY2024Q1	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	4000000	usd
CY2023Q1	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	5000000	usd
CY2024Q1	us-gaap	Professional Fees ProfessionalFees	23000000	usd
CY2023Q1	us-gaap	Professional Fees ProfessionalFees	20000000	usd
CY2024Q1	us-gaap	Marketing Expense MarketingExpense	5000000	usd
CY2023Q1	us-gaap	Marketing Expense MarketingExpense	4000000	usd
CY2024Q1	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	13000000	usd
CY2023Q1	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	7000000	usd
CY2024Q1	us-gaap	Taxes Excluding Income And Excise Taxes TaxesExcludingIncomeAndExciseTaxes	4000000	usd
CY2023Q1	us-gaap	Taxes Excluding Income And Excise Taxes TaxesExcludingIncomeAndExciseTaxes	4000000	usd
CY2024Q1	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	0	usd
CY2023Q1	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	2000000	usd
CY2024Q1	us-gaap	Other Noninterest Expense OtherNoninterestExpense	15000000	usd
CY2023Q1	us-gaap	Other Noninterest Expense OtherNoninterestExpense	19000000	usd
CY2024Q1	us-gaap	Noninterest Expense NoninterestExpense	237000000	usd
CY2024Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	34000000	usd
CY2023Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	35000000	usd
CY2024Q1	us-gaap	Net Income Loss NetIncomeLoss	122000000	usd
CY2023Q1	us-gaap	Net Income Loss NetIncomeLoss	147000000	usd
CY2024Q1	us-gaap	Dividends Preferred Stock DividendsPreferredStock	6000000	usd
CY2023Q1	us-gaap	Dividends Preferred Stock DividendsPreferredStock	2000000	usd
CY2024Q1	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	116000000	usd
CY2024Q1	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	116000000	usd
CY2023Q1	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	145000000	usd
CY2023Q1	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	145000000	usd
CY2024Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.32
CY2023Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.40
CY2024Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.32
CY2023Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.40
CY2024Q1	us-gaap	Net Income Loss NetIncomeLoss	122000000	usd
CY2023Q1	us-gaap	Net Income Loss NetIncomeLoss	147000000	usd
CY2024Q1	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	-4000000	usd
CY2023Q1	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	10000000	usd
CY2024Q1	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-13000000	usd
CY2023Q1	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	35000000	usd
CY2024Q1	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax	-3000000	usd
CY2023Q1	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax	1000000	usd
CY2024Q1	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax	-9000000	usd
CY2023Q1	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax	4000000	usd
CY2024Q1	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax	2000000	usd
CY2023Q1	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax	1000000	usd
CY2024Q1	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax	-7000000	usd
CY2023Q1	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax	-3000000	usd
CY2024Q1	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax	0	usd
CY2023Q1	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax	0	usd
CY2024Q1	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	0	usd
CY2023Q1	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	0	usd
CY2024Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-15000000	usd
CY2023Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	42000000	usd
CY2024Q1	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	107000000	usd
CY2023Q1	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	189000000	usd
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CY2023Q1	us-gaap	Preferred Stock Dividends Per Share Cash Paid PreferredStockDividendsPerShareCashPaid	18.13
CY2023Q1	us-gaap	Dividends Preferred Stock Cash DividendsPreferredStockCash	2000000	usd
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CY2023Q1	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	44000000	usd
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CY2023Q1	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	12000000	usd
CY2023Q1	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	10000000	usd
CY2023Q1	us-gaap	Stockholders Equity StockholdersEquity	5788000000	usd
CY2023Q4	us-gaap	Stockholders Equity StockholdersEquity	6050000000	usd
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CY2024Q1	us-gaap	Preferred Stock Dividends Per Share Cash Paid PreferredStockDividendsPerShareCashPaid	18.13
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CY2024Q1	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	44000000	usd
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CY2024Q1	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	15000000	usd
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CY2024Q1	us-gaap	Payments To Purchase Loans Held For Sale PaymentsToPurchaseLoansHeldForSale	313000000	usd
CY2023Q1	us-gaap	Payments To Purchase Loans Held For Sale PaymentsToPurchaseLoansHeldForSale	215000000	usd
CY2024Q1	us-gaap	Proceeds From Sale Of Loans Held For Sale ProceedsFromSaleOfLoansHeldForSale	356000000	usd
CY2023Q1	us-gaap	Proceeds From Sale Of Loans Held For Sale ProceedsFromSaleOfLoansHeldForSale	221000000	usd
CY2024Q1	fnb	Gain Loss On Sale Of Financing Receivables GainLossOnSaleOfFinancingReceivables	3000000	usd
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CY2024Q1	us-gaap	Increase Decrease In Accrued Interest Receivable Net IncreaseDecreaseInAccruedInterestReceivableNet	15000000	usd
CY2023Q1	us-gaap	Increase Decrease In Accrued Interest Receivable Net IncreaseDecreaseInAccruedInterestReceivableNet	4000000	usd
CY2024Q1	us-gaap	Increase Decrease In Interest Payable Net IncreaseDecreaseInInterestPayableNet	-5000000	usd
CY2023Q1	us-gaap	Increase Decrease In Interest Payable Net IncreaseDecreaseInInterestPayableNet	5000000	usd
CY2024Q1	us-gaap	Life Insurance Corporate Or Bank Owned Change In Value LifeInsuranceCorporateOrBankOwnedChangeInValue	3000000	usd
CY2023Q1	us-gaap	Life Insurance Corporate Or Bank Owned Change In Value LifeInsuranceCorporateOrBankOwnedChangeInValue	2000000	usd
CY2024Q1	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	-63000000	usd
CY2023Q1	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	173000000	usd
CY2024Q1	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	245000000	usd
CY2023Q1	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	19000000	usd
CY2024Q1	fnb	Payments For Proceeds From Financing Receivables PaymentsForProceedsFromFinancingReceivables	261000000	usd
CY2023Q1	fnb	Payments For Proceeds From Financing Receivables PaymentsForProceedsFromFinancingReceivables	415000000	usd
CY2024Q1	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	460000000	usd
CY2023Q1	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	0	usd
CY2024Q1	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	473000000	usd
CY2023Q1	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	116000000	usd
CY2024Q1	us-gaap	Payments To Acquire Held To Maturity Securities PaymentsToAcquireHeldToMaturitySecurities	96000000	usd
CY2023Q1	us-gaap	Payments To Acquire Held To Maturity Securities PaymentsToAcquireHeldToMaturitySecurities	75000000	usd
CY2024Q1	us-gaap	Proceeds From Maturities Prepayments And Calls Of Held To Maturity Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities	117000000	usd
CY2023Q1	us-gaap	Proceeds From Maturities Prepayments And Calls Of Held To Maturity Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities	90000000	usd
CY2024Q1	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	29000000	usd
CY2023Q1	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	33000000	usd
CY2024Q1	us-gaap	Proceeds From Sale Of Loans Held For Investment ProceedsFromSaleOfLoansHeldForInvestment	332000000	usd
CY2023Q1	us-gaap	Proceeds From Sale Of Loans Held For Investment ProceedsFromSaleOfLoansHeldForInvestment	0	usd
CY2024Q1	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	76000000	usd
CY2023Q1	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-317000000	usd
CY2024Q1	us-gaap	Increase Decrease In Demand Deposits IncreaseDecreaseInDemandDeposits	-446000000	usd
CY2023Q1	us-gaap	Increase Decrease In Demand Deposits IncreaseDecreaseInDemandDeposits	-1717000000	usd
CY2024Q1	us-gaap	Increase Decrease In Time Deposits IncreaseDecreaseInTimeDeposits	469000000	usd
CY2023Q1	us-gaap	Increase Decrease In Time Deposits IncreaseDecreaseInTimeDeposits	1136000000	usd
CY2024Q1	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	-432000000	usd
CY2023Q1	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	776000000	usd
CY2024Q1	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	161000000	usd
CY2023Q1	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	512000000	usd
CY2024Q1	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	11000000	usd
CY2023Q1	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	306000000	usd
CY2024Q1	us-gaap	Payments For Repurchase Of Preferred Stock And Preference Stock PaymentsForRepurchaseOfPreferredStockAndPreferenceStock	111000000	usd
CY2023Q1	us-gaap	Payments For Repurchase Of Preferred Stock And Preference Stock PaymentsForRepurchaseOfPreferredStockAndPreferenceStock	0	usd
CY2024Q1	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	0	usd
CY2023Q1	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	12000000	usd
CY2024Q1	us-gaap	Payments Of Dividends Preferred Stock And Preference Stock PaymentsOfDividendsPreferredStockAndPreferenceStock	2000000	usd
CY2023Q1	us-gaap	Payments Of Dividends Preferred Stock And Preference Stock PaymentsOfDividendsPreferredStockAndPreferenceStock	2000000	usd
CY2024Q1	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	44000000	usd
CY2023Q1	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	44000000	usd
CY2024Q1	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	6000000	usd
CY2023Q1	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	4000000	usd
CY2024Q1	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-410000000	usd
CY2023Q1	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	347000000	usd
CY2024Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-89000000	usd
CY2023Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	49000000	usd
CY2023Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	1576000000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	1674000000	usd
CY2024Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	1487000000	usd
CY2023Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	1723000000	usd
CY2024Q1	us-gaap	Nature Of Operations NatureOfOperations	<div style="margin-top:12pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%">NATURE OF OPERATIONS</span></div><div style="margin-top:12pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">F.N.B. Corporation, headquartered in Pittsburgh, Pennsylvania, is a diversified financial services company operating in seven states and the District of Columbia. Our market coverage spans several major metropolitan areas including: Pittsburgh, Pennsylvania; Baltimore, Maryland; Cleveland, Ohio; Washington, D.C.; Charlotte, Raleigh, Durham and the Piedmont Triad (Winston-Salem, Greensboro and High Point) in North Carolina; and Charleston, South Carolina. As of March 31, 2024, we had 348 branches throughout Pennsylvania, Ohio, Maryland, West Virginia, North Carolina, South Carolina, Washington D.C. and Virginia.</span></div><div style="margin-top:12pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">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.</span></div>
CY2024Q1	us-gaap	Number Of States In Which Entity Operates NumberOfStatesInWhichEntityOperates	7	state
CY2024Q1	us-gaap	Number Of Stores NumberOfStores	348	branch
CY2024Q1	us-gaap	Use Of Estimates UseOfEstimates	<div style="margin-top:12pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%">Use of Estimates</span></div><div style="margin-top:12pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">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, fair value of financial instruments, goodwill and other intangible assets and income taxes and deferred tax assets, which are listed in the critical accounting estimates. For a detailed description of our significant accounting policies and critical accounting estimates, see Note 1, "Summary of Significant Accounting Policies" and the "Application of Critical Accounting Policies" section in the MD&A, both in our </span><span style="color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;text-decoration:underline"><a href="https://www.sec.gov/ix?doc=/Archives/edgar/data/0000037808/000003780824000006/fnb-20231231.htm" style="-sec-extract:exhibit;color:#0000ff;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%;text-decoration:underline">2023 Annual Report on Form 10-K</a></span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">.</span></div>
CY2024Q1	us-gaap	Debt Securities Available For Sale Amortized Cost Allowance For Credit Loss Excluding Accrued Interest DebtSecuritiesAvailableForSaleAmortizedCostAllowanceForCreditLossExcludingAccruedInterest	0	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Amortized Cost Allowance For Credit Loss Excluding Accrued Interest DebtSecuritiesAvailableForSaleAmortizedCostAllowanceForCreditLossExcludingAccruedInterest	0	usd
CY2024Q1	us-gaap	Debt Securities Available For Sale Accrued Interest After Allowance For Credit Loss DebtSecuritiesAvailableForSaleAccruedInterestAfterAllowanceForCreditLoss	12200000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Accrued Interest After Allowance For Credit Loss DebtSecuritiesAvailableForSaleAccruedInterestAfterAllowanceForCreditLoss	9600000	usd
CY2024Q1	us-gaap	Debt Securities Available For Sale Amortized Cost Excluding Accrued Interest Before Allowance For Credit Loss DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestBeforeAllowanceForCreditLoss	3449000000	usd
CY2024Q1	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	5000000	usd
CY2024Q1	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	228000000	usd
CY2024Q1	us-gaap	Debt Securities Available For Sale Excluding Accrued Interest DebtSecuritiesAvailableForSaleExcludingAccruedInterest	3226000000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Amortized Cost Excluding Accrued Interest Before Allowance For Credit Loss DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestBeforeAllowanceForCreditLoss	3460000000	usd
CY2023Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	10000000	usd
CY2023Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	216000000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Excluding Accrued Interest DebtSecuritiesAvailableForSaleExcludingAccruedInterest	3254000000	usd
CY2024Q1	us-gaap	Debt Securities Held To Maturity Allowance For Credit Loss Excluding Accrued Interest DebtSecuritiesHeldToMaturityAllowanceForCreditLossExcludingAccruedInterest	270000	usd
CY2023Q4	us-gaap	Debt Securities Held To Maturity Allowance For Credit Loss Excluding Accrued Interest DebtSecuritiesHeldToMaturityAllowanceForCreditLossExcludingAccruedInterest	280000	usd
CY2024Q1	us-gaap	Debt Securities Held To Maturity Accrued Interest After Allowance For Credit Loss DebtSecuritiesHeldToMaturityAccruedInterestAfterAllowanceForCreditLoss	13200000	usd
CY2023Q4	us-gaap	Debt Securities Held To Maturity Accrued Interest After Allowance For Credit Loss DebtSecuritiesHeldToMaturityAccruedInterestAfterAllowanceForCreditLoss	14700000	usd
CY2024Q1	us-gaap	Debt Securities Held To Maturity Excluding Accrued Interest Before Allowance For Credit Loss DebtSecuritiesHeldToMaturityExcludingAccruedInterestBeforeAllowanceForCreditLoss	3893000000	usd
CY2024Q1	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Gain HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	4000000	usd
CY2024Q1	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	350000000	usd
CY2024Q1	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	3547000000	usd
CY2023Q4	us-gaap	Debt Securities Held To Maturity Excluding Accrued Interest Before Allowance For Credit Loss DebtSecuritiesHeldToMaturityExcludingAccruedInterestBeforeAllowanceForCreditLoss	3911000000	usd
CY2023Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Gain HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	8000000	usd
CY2023Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	326000000	usd
CY2023Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	3593000000	usd
CY2023Q1	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	0	usd
CY2024Q1	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	0	usd
CY2023Q4	us-gaap	Availableforsale Securities Sold At Par AvailableforsaleSecuritiesSoldAtPar	648700000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	-67400000	usd
CY2024Q1	us-gaap	Available For Sale Securities Debt Maturities Within One Year Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost	14000000	usd
CY2024Q1	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	14000000	usd
CY2024Q1	us-gaap	Held To Maturity Securities Debt Maturities Within One Year Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearNetCarryingAmount	2000000	usd
CY2024Q1	us-gaap	Held To Maturity Securities Debt Maturities Within One Year Fair Value HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearFairValue	2000000	usd
CY2024Q1	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost	464000000	usd
CY2024Q1	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	456000000	usd
CY2024Q1	us-gaap	Held To Maturity Securities Debt Maturities After One Through Five Years Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsNetCarryingAmount	87000000	usd
CY2024Q1	us-gaap	Held To Maturity Securities Debt Maturities After One Through Five Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	84000000	usd
CY2024Q1	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost	35000000	usd
CY2024Q1	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	34000000	usd
CY2024Q1	us-gaap	Held To Maturity Securities Debt Maturities After Five Through Ten Years Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsNetCarryingAmount	224000000	usd
CY2024Q1	us-gaap	Held To Maturity Securities Debt Maturities After Five Through Ten Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	211000000	usd
CY2024Q1	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost	30000000	usd
CY2024Q1	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue	30000000	usd
CY2024Q1	us-gaap	Held To Maturity Securities Debt Maturities After Ten Years Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsNetCarryingAmount	742000000	usd
CY2024Q1	us-gaap	Held To Maturity Securities Debt Maturities After Ten Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsFairValue	673000000	usd
CY2024Q1	us-gaap	Available For Sale Securities Debt Maturities Single Maturity Date Amortized Cost Basis AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDateAmortizedCostBasis	543000000	usd
CY2024Q1	us-gaap	Available For Sale Securities Debt Maturities Single Maturity Date AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDate	534000000	usd
CY2024Q1	us-gaap	Held To Maturity Securities Debt Maturities Single Maturity Date Amortized Cost Basis HeldToMaturitySecuritiesDebtMaturitiesSingleMaturityDateAmortizedCostBasis	1055000000	usd
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CY2024Q1	us-gaap	Debt Securities Available For Sale Amortized Cost Excluding Accrued Interest Before Allowance For Credit Loss DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestBeforeAllowanceForCreditLoss	3449000000	usd
CY2024Q1	us-gaap	Debt Securities Available For Sale Excluding Accrued Interest DebtSecuritiesAvailableForSaleExcludingAccruedInterest	3226000000	usd
CY2024Q1	us-gaap	Debt Securities Held To Maturity Excluding Accrued Interest Before Allowance For Credit Loss DebtSecuritiesHeldToMaturityExcludingAccruedInterestBeforeAllowanceForCreditLoss	3893000000	usd
CY2024Q1	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	3547000000	usd
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CY2024Q1	us-gaap	Securities Held As Collateral At Fair Value SecuritiesHeldAsCollateralAtFairValue	270000000	usd
CY2023Q4	us-gaap	Securities Held As Collateral At Fair Value SecuritiesHeldAsCollateralAtFairValue	250000000	usd
CY2024Q1	fnb	Percentage Of Securities Held As Collateral At Fair Value PercentageOfSecuritiesHeldAsCollateralAtFairValue	0.859
CY2023Q4	fnb	Percentage Of Securities Held As Collateral At Fair Value PercentageOfSecuritiesHeldAsCollateralAtFairValue	0.899
CY2024Q1	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Number Of Positions DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsNumberOfPositions	21	security
CY2024Q1	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	524000000	usd
CY2024Q1	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	3000000	usd
CY2024Q1	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Number Of Positions DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerNumberOfPositions	234	security
CY2024Q1	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	2134000000	usd
CY2024Q1	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	225000000	usd
CY2024Q1	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Number Of Positions DebtSecuritiesAvailableForSaleUnrealizedLossPositionNumberOfPositions	255	security
CY2024Q1	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	2658000000	usd
CY2024Q1	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	228000000	usd
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CY2023Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	70000000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	0	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Number Of Positions DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerNumberOfPositions	236	security
CY2023Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	2235000000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	216000000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Number Of Positions DebtSecuritiesAvailableForSaleUnrealizedLossPositionNumberOfPositions	242	security
CY2023Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	2305000000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	216000000	usd
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CY2024Q1	fnb	Corporate Debt Securities At Carrying Value CorporateDebtSecuritiesAtCarryingValue	56300000	usd
CY2024Q1	us-gaap	Debt Securities Held To Maturity Allowance For Credit Loss Excluding Accrued Interest DebtSecuritiesHeldToMaturityAllowanceForCreditLossExcludingAccruedInterest	270000	usd
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CY2024Q1	us-gaap	Debt Securities Available For Sale Amortized Cost Allowance For Credit Loss Excluding Accrued Interest DebtSecuritiesAvailableForSaleAmortizedCostAllowanceForCreditLossExcludingAccruedInterest	0	usd
CY2024Q1	us-gaap	Financing Receivable Accrued Interest Before Allowance For Credit Loss FinancingReceivableAccruedInterestBeforeAllowanceForCreditLoss	139200000	usd
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CY2024Q1	us-gaap	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss	32584000000	usd
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss	32323000000	usd
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CY2023Q4	fnb	Financing Receivable Discount Premium Remaining FinancingReceivableDiscountPremiumRemaining	42600000	usd
CY2024Q1	us-gaap	Number Of States In Which Entity Operates NumberOfStatesInWhichEntityOperates	7	state
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CY2024Q1	us-gaap	Financing Receivable Excluding Accrued Interest Year Five Originated Four Years Before Current Fiscal Year FinancingReceivableExcludingAccruedInterestYearFiveOriginatedFourYearsBeforeCurrentFiscalYear	3368000000	usd
CY2024Q1	us-gaap	Financing Receivable Excluding Accrued Interest Originated More Than Five Years Before Current Fiscal Year FinancingReceivableExcludingAccruedInterestOriginatedMoreThanFiveYearsBeforeCurrentFiscalYear	6987000000	usd
CY2024Q1	us-gaap	Financing Receivable Excluding Accrued Interest Revolving FinancingReceivableExcludingAccruedInterestRevolving	3280000000	usd
CY2024Q1	us-gaap	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss	32584000000	usd
CY2024Q1	us-gaap	Financing Receivable Excluding Accrued Interest Year One Originated Current Fiscal Year Writeoff FinancingReceivableExcludingAccruedInterestYearOneOriginatedCurrentFiscalYearWriteoff	0	usd
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CY2024Q1	us-gaap	Financing Receivable Excluding Accrued Interest Year Three Originated Two Years Before Current Fiscal Year Writeoff FinancingReceivableExcludingAccruedInterestYearThreeOriginatedTwoYearsBeforeCurrentFiscalYearWriteoff	1700000	usd
CY2024Q1	us-gaap	Financing Receivable Excluding Accrued Interest Year Four Originated Three Years Before Current Fiscal Year Writeoff FinancingReceivableExcludingAccruedInterestYearFourOriginatedThreeYearsBeforeCurrentFiscalYearWriteoff	1400000	usd
CY2024Q1	us-gaap	Financing Receivable Excluding Accrued Interest Year Five Originated Four Years Before Current Fiscal Year Writeoff FinancingReceivableExcludingAccruedInterestYearFiveOriginatedFourYearsBeforeCurrentFiscalYearWriteoff	700000	usd
CY2024Q1	us-gaap	Financing Receivable Excluding Accrued Interest Originated More Than Five Years Before Current Fiscal Year Writeoff FinancingReceivableExcludingAccruedInterestOriginatedMoreThanFiveYearsBeforeCurrentFiscalYearWriteoff	10800000	usd
CY2024Q1	us-gaap	Financing Receivable Excluding Accrued Interest Revolving Writeoff FinancingReceivableExcludingAccruedInterestRevolvingWriteoff	0	usd
CY2024Q1	us-gaap	Financing Receivable Excluding Accrued Interest Allowance For Credit Loss Writeoff FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoff	15500000	usd
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest Year One Originated Current Fiscal Year FinancingReceivableExcludingAccruedInterestYearOneOriginatedCurrentFiscalYear	5486000000	usd
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest Year Two Originated Fiscal Year Before Current Fiscal Year FinancingReceivableExcludingAccruedInterestYearTwoOriginatedFiscalYearBeforeCurrentFiscalYear	6624000000	usd
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest Year Three Originated Two Years Before Current Fiscal Year FinancingReceivableExcludingAccruedInterestYearThreeOriginatedTwoYearsBeforeCurrentFiscalYear	6015000000	usd
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest Year Four Originated Three Years Before Current Fiscal Year FinancingReceivableExcludingAccruedInterestYearFourOriginatedThreeYearsBeforeCurrentFiscalYear	3537000000	usd
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest Year Five Originated Four Years Before Current Fiscal Year FinancingReceivableExcludingAccruedInterestYearFiveOriginatedFourYearsBeforeCurrentFiscalYear	2255000000	usd
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest Originated More Than Five Years Before Current Fiscal Year FinancingReceivableExcludingAccruedInterestOriginatedMoreThanFiveYearsBeforeCurrentFiscalYear	5148000000	usd
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest Revolving FinancingReceivableExcludingAccruedInterestRevolving	3258000000	usd
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss	32323000000	usd
CY2023	us-gaap	Financing Receivable Excluding Accrued Interest Year One Originated Current Fiscal Year Writeoff FinancingReceivableExcludingAccruedInterestYearOneOriginatedCurrentFiscalYearWriteoff	800000	usd
CY2023	us-gaap	Financing Receivable Excluding Accrued Interest Year Two Originated Fiscal Year Before Current Fiscal Year Writeoff FinancingReceivableExcludingAccruedInterestYearTwoOriginatedFiscalYearBeforeCurrentFiscalYearWriteoff	5200000	usd
CY2023	us-gaap	Financing Receivable Excluding Accrued Interest Year Three Originated Two Years Before Current Fiscal Year Writeoff FinancingReceivableExcludingAccruedInterestYearThreeOriginatedTwoYearsBeforeCurrentFiscalYearWriteoff	5200000	usd
CY2023	us-gaap	Financing Receivable Excluding Accrued Interest Year Four Originated Three Years Before Current Fiscal Year Writeoff FinancingReceivableExcludingAccruedInterestYearFourOriginatedThreeYearsBeforeCurrentFiscalYearWriteoff	2400000	usd
CY2023	us-gaap	Financing Receivable Excluding Accrued Interest Year Five Originated Four Years Before Current Fiscal Year Writeoff FinancingReceivableExcludingAccruedInterestYearFiveOriginatedFourYearsBeforeCurrentFiscalYearWriteoff	2700000	usd
CY2023	us-gaap	Financing Receivable Excluding Accrued Interest Originated More Than Five Years Before Current Fiscal Year Writeoff FinancingReceivableExcludingAccruedInterestOriginatedMoreThanFiveYearsBeforeCurrentFiscalYearWriteoff	64800000	usd
CY2023	us-gaap	Financing Receivable Excluding Accrued Interest Revolving Writeoff FinancingReceivableExcludingAccruedInterestRevolvingWriteoff	0	usd
CY2023	us-gaap	Financing Receivable Excluding Accrued Interest Allowance For Credit Loss Writeoff FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoff	81100000	usd
CY2024Q1	us-gaap	Financing Receivable Recorded Investment90 Days Past Due And Still Accruing FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing	17000000	usd
CY2024Q1	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	105000000	usd
CY2024Q1	us-gaap	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss	32584000000	usd
CY2024Q1	us-gaap	Financing Receivable Nonaccrual No Allowance FinancingReceivableNonaccrualNoAllowance	38000000	usd
CY2023Q4	us-gaap	Financing Receivable Recorded Investment90 Days Past Due And Still Accruing FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing	12000000	usd
CY2023Q4	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	107000000	usd
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss	32323000000	usd
CY2023Q4	us-gaap	Financing Receivable Nonaccrual No Allowance FinancingReceivableNonaccrualNoAllowance	25000000	usd
CY2024Q1	us-gaap	Financing Receivable Accrued Interest Modified FinancingReceivableAccruedInterestModified	10000.00	usd
CY2023Q1	us-gaap	Financing Receivable Accrued Interest Modified FinancingReceivableAccruedInterestModified	20000.00	usd
CY2024Q1	us-gaap	Financing Receivable Excluding Accrued Interest Modified Period FinancingReceivableExcludingAccruedInterestModifiedPeriod	8300000	usd
CY2023Q1	us-gaap	Financing Receivable Excluding Accrued Interest Modified Period FinancingReceivableExcludingAccruedInterestModifiedPeriod	3900000	usd
CY2024Q1	fnb	Financing Receivable Excluding Accrued Interest Modified In Period Additional Amount FinancingReceivableExcludingAccruedInterestModifiedInPeriodAdditionalAmount	0	usd
CY2024Q1	fnb	Financing Receivable Pooled Allowance Restructured FinancingReceivablePooledAllowanceRestructured	3800000	usd
CY2023Q4	fnb	Financing Receivable Pooled Allowance Restructured FinancingReceivablePooledAllowanceRestructured	3800000	usd
CY2024Q1	us-gaap	Financing Receivable Modifications Subsequent Default Recorded Investment1 FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1	33100000	usd
CY2023Q1	us-gaap	Financing Receivable Modifications Subsequent Default Recorded Investment1 FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1	2600000	usd
CY2024Q1	fnb	Forecasted Macroeconomic Variables Percentage Of Growth Decline Housing Price Index ForecastedMacroeconomicVariablesPercentageOfGrowthDeclineHousingPriceIndex	0.074
CY2024Q1	fnb	Forecasted Macroeconomic Variables Percentage Of Growth Decline Commercial Real Estate Price Index ForecastedMacroeconomicVariablesPercentageOfGrowthDeclineCommercialRealEstatePriceIndex	0.036
CY2024Q1	fnb	Forecasted Macroeconomic Variables Percentage Of Growth Decline Sp Volatility In Next Fiscal Year ForecastedMacroeconomicVariablesPercentageOfGrowthDeclineSPVolatilityInNextFiscalYear	0.196
CY2024Q1	fnb	Forecasted Macroeconomic Variables Percentage Of Growth Decline Sp Volatility In Next Second Year ForecastedMacroeconomicVariablesPercentageOfGrowthDeclineSPVolatilityInNextSecondYear	0.035
CY2023Q4	fnb	Forecasted Macroeconomic Variables Percentage Of Growth Decline Housing Price Index ForecastedMacroeconomicVariablesPercentageOfGrowthDeclineHousingPriceIndex	0.053
CY2023Q4	fnb	Forecasted Macroeconomic Variables Percentage Of Growth Decline Commercial Real Estate Price Index ForecastedMacroeconomicVariablesPercentageOfGrowthDeclineCommercialRealEstatePriceIndex	0.001
CY2023Q4	fnb	Forecasted Macroeconomic Variables Percentage Of Growth Decline Sp Volatility In Next Fiscal Year ForecastedMacroeconomicVariablesPercentageOfGrowthDeclineSPVolatilityInNextFiscalYear	-0.040
CY2023Q4	fnb	Forecasted Macroeconomic Variables Percentage Of Growth Decline Sp Volatility In Next Second Year ForecastedMacroeconomicVariablesPercentageOfGrowthDeclineSPVolatilityInNextSecondYear	0.029
CY2024Q1	us-gaap	Financing Receivable Excluding Accrued Interest Credit Loss Expense Reversal FinancingReceivableExcludingAccruedInterestCreditLossExpenseReversal	13900000	usd
CY2023Q1	us-gaap	Financing Receivable Excluding Accrued Interest Credit Loss Expense Reversal FinancingReceivableExcludingAccruedInterestCreditLossExpenseReversal	14100000	usd
CY2024Q1	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	180200000	usd
CY2024Q1	us-gaap	Operating Lease Liability OperatingLeaseLiability	212400000	usd
CY2024Q1	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	31100000	usd
CY2024Q1	us-gaap	Finance Lease Liability FinanceLeaseLiability	32400000	usd
CY2024Q1	fnb	Lessee Operating Lease Lease Not Yet Commenced Right Of Use Asset LesseeOperatingLeaseLeaseNotYetCommencedRightOfUseAsset	39600000	usd
CY2024Q1	fnb	Lessee Operating Lease Lease Not Yet Commenced Liability LesseeOperatingLeaseLeaseNotYetCommencedLiability	44800000	usd
CY2024Q1	us-gaap	Operating Lease Cost OperatingLeaseCost	10000000	usd
CY2023Q1	us-gaap	Operating Lease Cost OperatingLeaseCost	8000000	usd
CY2024Q1	us-gaap	Variable Lease Cost VariableLeaseCost	1000000	usd
CY2023Q1	us-gaap	Variable Lease Cost VariableLeaseCost	1000000	usd
CY2024Q1	fnb	Finance Lease Cost FinanceLeaseCost	1000000	usd
CY2023Q1	fnb	Finance Lease Cost FinanceLeaseCost	1000000	usd
CY2024Q1	us-gaap	Lease Cost LeaseCost	12000000	usd
CY2023Q1	us-gaap	Lease Cost LeaseCost	10000000	usd
CY2024Q1	us-gaap	Operating Lease Payments OperatingLeasePayments	7000000	usd
CY2023Q1	us-gaap	Operating Lease Payments OperatingLeasePayments	7000000	usd
CY2024Q1	us-gaap	Finance Lease Interest Payment On Liability FinanceLeaseInterestPaymentOnLiability	0	usd
CY2023Q1	us-gaap	Finance Lease Interest Payment On Liability FinanceLeaseInterestPaymentOnLiability	0	usd
CY2024Q1	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	2000000	usd
CY2023Q1	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	0	usd
CY2024Q1	us-gaap	Right Of Use Asset Obtained In Exchange For Finance Lease Liability RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability	0	usd
CY2023Q1	us-gaap	Right Of Use Asset Obtained In Exchange For Finance Lease Liability RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability	0	usd
CY2024Q1	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P8Y8M4D
CY2023Q1	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P9Y1M17D
CY2024Q1	us-gaap	Finance Lease Weighted Average Remaining Lease Term1 FinanceLeaseWeightedAverageRemainingLeaseTerm1	P19Y3M7D
CY2023Q1	us-gaap	Finance Lease Weighted Average Remaining Lease Term1 FinanceLeaseWeightedAverageRemainingLeaseTerm1	P20Y7M9D
CY2024Q1	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.030
CY2023Q1	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.026
CY2024Q1	us-gaap	Finance Lease Weighted Average Discount Rate Percent FinanceLeaseWeightedAverageDiscountRatePercent	0.032
CY2023Q1	us-gaap	Finance Lease Weighted Average Discount Rate Percent FinanceLeaseWeightedAverageDiscountRatePercent	0.028
CY2024Q1	us-gaap	Federal Funds Purchased FederalFundsPurchased	275000000	usd
CY2023Q4	us-gaap	Federal Funds Purchased FederalFundsPurchased	260000000	usd
CY2024Q1	fnb	Subordinated Notes Short Term SubordinatedNotesShortTerm	117000000	usd
CY2023Q4	fnb	Subordinated Notes Short Term SubordinatedNotesShortTerm	113000000	usd
CY2024Q1	us-gaap	Short Term Borrowings ShortTermBorrowings	2074000000	usd
CY2023Q4	us-gaap	Short Term Borrowings ShortTermBorrowings	2506000000	usd
CY2024Q1	fnb	Shortterm Advances ShorttermAdvances	300000000	usd
CY2024Q1	us-gaap	Lessee Operating Lease Liability Payments Remainder Of Fiscal Year LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear	32000000	usd
CY2024Q1	us-gaap	Finance Lease Liability Payments Remainder Of Fiscal Year FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear	2000000	usd
CY2024Q1	fnb	Operating And Finance Lease Liability To Be Paid Remainder Of Fiscal Year OperatingAndFinanceLeaseLiabilityToBePaidRemainderOfFiscalYear	34000000	usd
CY2024Q1	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	28000000	usd
CY2024Q1	us-gaap	Finance Lease Liability Payments Due Next Twelve Months FinanceLeaseLiabilityPaymentsDueNextTwelveMonths	2000000	usd
CY2024Q1	fnb	Operating And Finance Lease Liability To Be Paid Year One OperatingAndFinanceLeaseLiabilityToBePaidYearOne	30000000	usd
CY2024Q1	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	25000000	usd
CY2024Q1	us-gaap	Finance Lease Liability Payments Due Year Two FinanceLeaseLiabilityPaymentsDueYearTwo	2000000	usd
CY2024Q1	fnb	Operating And Finance Lease Liability To Be Paid Year Two OperatingAndFinanceLeaseLiabilityToBePaidYearTwo	27000000	usd
CY2024Q1	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	22000000	usd
CY2024Q1	us-gaap	Finance Lease Liability Payments Due Year Three FinanceLeaseLiabilityPaymentsDueYearThree	2000000	usd
CY2024Q1	fnb	Operating And Finance Lease Liability To Be Paid Year Three OperatingAndFinanceLeaseLiabilityToBePaidYearThree	24000000	usd
CY2024Q1	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	20000000	usd
CY2024Q1	us-gaap	Finance Lease Liability Payments Due Year Four FinanceLeaseLiabilityPaymentsDueYearFour	2000000	usd
CY2024Q1	fnb	Operating And Finance Lease Liability To Be Paid Year Four OperatingAndFinanceLeaseLiabilityToBePaidYearFour	22000000	usd
CY2024Q1	fnb	Lessee Operating Lease Liability To Be Paid After Year Four LesseeOperatingLeaseLiabilityToBePaidAfterYearFour	136000000	usd
CY2024Q1	fnb	Finance Lease Liability To Be Paid After Year Four FinanceLeaseLiabilityToBePaidAfterYearFour	34000000	usd
CY2024Q1	fnb	Operating And Finance Lease Liability To Be Paid After Year Four OperatingAndFinanceLeaseLiabilityToBePaidAfterYearFour	170000000	usd
CY2024Q1	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	263000000	usd
CY2024Q1	us-gaap	Finance Lease Liability Payments Due FinanceLeaseLiabilityPaymentsDue	44000000	usd
CY2024Q1	fnb	Operating And Finance Lease Liability To Be Paid OperatingAndFinanceLeaseLiabilityToBePaid	307000000	usd
CY2024Q1	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	51000000	usd
CY2024Q1	us-gaap	Finance Lease Liability Undiscounted Excess Amount FinanceLeaseLiabilityUndiscountedExcessAmount	12000000	usd
CY2024Q1	fnb	Operating And Finance Lease Liability Undiscounted Excess Amount OperatingAndFinanceLeaseLiabilityUndiscountedExcessAmount	63000000	usd
CY2024Q1	us-gaap	Operating Lease Liability OperatingLeaseLiability	212000000	usd
CY2024Q1	us-gaap	Finance Lease Liability FinanceLeaseLiability	32000000	usd
CY2024Q1	fnb	Operating And Finance Lease Liability OperatingAndFinanceLeaseLiability	244000000	usd
CY2024Q1	fnb	Shortterm Advances Percentage Bearing Fixed Interest Rate ShorttermAdvancesPercentageBearingFixedInterestRate	0.208
CY2023Q4	fnb	Shortterm Advances ShorttermAdvances	400000000	usd
CY2023Q4	fnb	Shortterm Advances Percentage Bearing Fixed Interest Rate ShorttermAdvancesPercentageBearingFixedInterestRate	0.211
CY2023Q4	us-gaap	Derivative Liabilities DerivativeLiabilities	328000000	usd
CY2023Q1	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	2000000	usd
CY2024Q1	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	19000000	usd
CY2023Q1	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	33000000	usd
CY2024Q1	fnb	Affordable Housing Historic And New Market Tax Credit Partnerships Tax Credit Investments AffordableHousingHistoricAndNewMarketTaxCreditPartnershipsTaxCreditInvestments	95000000	usd
CY2023Q4	fnb	Affordable Housing Historic And New Market Tax Credit Partnerships Tax Credit Investments AffordableHousingHistoricAndNewMarketTaxCreditPartnershipsTaxCreditInvestments	81000000	usd
CY2024Q1	fnb	Affordable Housing Historic And New Market Tax Credit Partnerships Unfunded Tax Credit Investments AffordableHousingHistoricAndNewMarketTaxCreditPartnershipsUnfundedTaxCreditInvestments	79000000	usd
CY2023Q4	fnb	Affordable Housing Historic And New Market Tax Credit Partnerships Unfunded Tax Credit Investments AffordableHousingHistoricAndNewMarketTaxCreditPartnershipsUnfundedTaxCreditInvestments	62000000	usd
CY2024Q1	fnb	Affordable Housing Historic And New Market Tax Credit Partnerships Amortization Of Tax Credit Investments Under Proportional Method AffordableHousingHistoricAndNewMarketTaxCreditPartnershipsAmortizationOfTaxCreditInvestmentsUnderProportionalMethod	5000000	usd
CY2023Q1	fnb	Affordable Housing Historic And New Market Tax Credit Partnerships Amortization Of Tax Credit Investments Under Proportional Method AffordableHousingHistoricAndNewMarketTaxCreditPartnershipsAmortizationOfTaxCreditInvestmentsUnderProportionalMethod	4000000	usd
CY2024Q1	fnb	Affordable Housing Historic And New Market Tax Credit Partnerships Tax Credits From Tax Credit Investments AffordableHousingHistoricAndNewMarketTaxCreditPartnershipsTaxCreditsFromTaxCreditInvestments	-5000000	usd
CY2023Q1	fnb	Affordable Housing Historic And New Market Tax Credit Partnerships Tax Credits From Tax Credit Investments AffordableHousingHistoricAndNewMarketTaxCreditPartnershipsTaxCreditsFromTaxCreditInvestments	-4000000	usd
CY2024Q1	fnb	Affordable Housing Historic And New Market Tax Credit Partnerships Other Tax Benefits Related To Tax Credit Investments AffordableHousingHistoricAndNewMarketTaxCreditPartnershipsOtherTaxBenefitsRelatedToTaxCreditInvestments	-1000000	usd
CY2023Q1	fnb	Affordable Housing Historic And New Market Tax Credit Partnerships Other Tax Benefits Related To Tax Credit Investments AffordableHousingHistoricAndNewMarketTaxCreditPartnershipsOtherTaxBenefitsRelatedToTaxCreditInvestments	-1000000	usd
CY2024Q1	fnb	Affordable Housing Historic And New Market Tax Credit Partnerships Provision For Income Tax AffordableHousingHistoricAndNewMarketTaxCreditPartnershipsProvisionForIncomeTax	-1000000	usd
CY2023Q1	fnb	Affordable Housing Historic And New Market Tax Credit Partnerships Provision For Income Tax AffordableHousingHistoricAndNewMarketTaxCreditPartnershipsProvisionForIncomeTax	-1000000	usd
CY2024Q1	us-gaap	Securities Sold Under Agreements To Repurchase SecuritiesSoldUnderAgreementsToRepurchase	242000000	usd
CY2023Q4	us-gaap	Securities Sold Under Agreements To Repurchase SecuritiesSoldUnderAgreementsToRepurchase	233000000	usd
CY2024Q1	us-gaap	Federal Home Loan Bank Advances Maturities Summary Due Within One Year Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueWithinOneYearOfBalanceSheetDate	1440000000	usd
CY2023Q4	us-gaap	Federal Home Loan Bank Advances Maturities Summary Due Within One Year Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueWithinOneYearOfBalanceSheetDate	1900000000	usd
CY2024Q1	us-gaap	Federal Home Loan Bank Advances Long Term FederalHomeLoanBankAdvancesLongTerm	1350000000	usd
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CY2024Q1	us-gaap	Senior Notes SeniorNotes	349000000	usd
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CY2024Q1	us-gaap	Subordinated Long Term Debt SubordinatedLongTermDebt	82000000	usd
CY2023Q4	us-gaap	Subordinated Long Term Debt SubordinatedLongTermDebt	82000000	usd
CY2024Q1	us-gaap	Junior Subordinated Debenture Owed To Unconsolidated Subsidiary Trust JuniorSubordinatedDebentureOwedToUnconsolidatedSubsidiaryTrust	73000000	usd
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CY2024Q1	us-gaap	Other Long Term Debt OtherLongTermDebt	267000000	usd
CY2023Q4	us-gaap	Other Long Term Debt OtherLongTermDebt	267000000	usd
CY2024Q1	us-gaap	Long Term Debt LongTermDebt	2121000000	usd
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CY2024Q1	us-gaap	Long Term Debt Fair Value LongTermDebtFairValue	616000000	usd
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CY2024Q1	us-gaap	Junior Subordinated Debenture Owed To Unconsolidated Subsidiary Trust JuniorSubordinatedDebentureOwedToUnconsolidatedSubsidiaryTrust	73000000	usd
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CY2024Q1	us-gaap	Derivative Liability Not Subject To Master Netting Arrangement DerivativeLiabilityNotSubjectToMasterNettingArrangement	341000000	usd
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CY2023Q4	us-gaap	Derivative Liability Not Subject To Master Netting Arrangement DerivativeLiabilityNotSubjectToMasterNettingArrangement	293000000	usd
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CY2023Q1	us-gaap	Interest Expense Short Term Borrowings InterestExpenseShortTermBorrowings	10000000	usd
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CY2024Q1	us-gaap	Additional Collateral Aggregate Fair Value AdditionalCollateralAggregateFairValue	0	usd
CY2024Q1	us-gaap	Derivative Fair Value Of Derivative Asset Amount Not Offset Against Collateral DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral	99000000	usd
CY2024Q1	us-gaap	Derivative Collateral Obligation To Return Securities DerivativeCollateralObligationToReturnSecurities	0	usd
CY2024Q1	us-gaap	Derivative Collateral Obligation To Return Cash DerivativeCollateralObligationToReturnCash	99000000	usd
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CY2024Q1	us-gaap	Derivative Collateral Right To Reclaim Securities DerivativeCollateralRightToReclaimSecurities	0	usd
CY2024Q1	us-gaap	Derivative Collateral Right To Reclaim Cash DerivativeCollateralRightToReclaimCash	19000000	usd
CY2024Q1	us-gaap	Derivative Fair Value Of Derivative Liability Amount Offset Against Collateral DerivativeFairValueOfDerivativeLiabilityAmountOffsetAgainstCollateral	0	usd
CY2023Q4	us-gaap	Derivative Fair Value Of Derivative Asset Amount Not Offset Against Collateral DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral	75000000	usd
CY2023Q4	us-gaap	Derivative Collateral Obligation To Return Securities DerivativeCollateralObligationToReturnSecurities	0	usd
CY2023Q4	us-gaap	Derivative Collateral Obligation To Return Cash DerivativeCollateralObligationToReturnCash	75000000	usd
CY2023Q4	us-gaap	Derivative Fair Value Of Derivative Asset Amount Offset Against Collateral DerivativeFairValueOfDerivativeAssetAmountOffsetAgainstCollateral	0	usd
CY2023Q4	us-gaap	Derivative Fair Value Of Derivative Liability Amount Not Offset Against Collateral DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral	35000000	usd
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CY2023Q4	us-gaap	Derivative Fair Value Of Derivative Liability Amount Offset Against Collateral DerivativeFairValueOfDerivativeLiabilityAmountOffsetAgainstCollateral	0	usd
CY2024Q1	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	17000000	usd
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CY2024Q1	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	2000000	usd
CY2024Q1	fnb	Percentage Of Commitments To Extend Credit Dependent On Financial Condition PercentageOfCommitmentsToExtendCreditDependentOnFinancialCondition	0.764
CY2024Q1	fnb	Allowance For Credit Losses On Loan Commitments AllowanceForCreditLossesOnLoanCommitments	21900000	usd
CY2023Q4	fnb	Allowance For Credit Losses On Loan Commitments AllowanceForCreditLossesOnLoanCommitments	21500000	usd
CY2024Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Authorized ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized	7397956	shares
CY2024Q1	fnb	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Remaining Available ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesRemainingAvailable	1816061	shares
CY2024Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber	3484138	shares
CY2024Q1	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized	9000000	usd
CY2024Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	49000000	usd
CY2024Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Outstanding Weighted Average Remaining Contractual Terms ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageRemainingContractualTerms	P1Y8M15D
CY2024Q1	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	13000000	usd
CY2023Q1	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	2000000	usd
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CY2023Q1	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	0	usd
CY2024Q1	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	15000000	usd
CY2023Q1	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	2000000	usd
CY2024Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	34000000	usd
CY2023Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	35000000	usd
CY2024Q1	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
CY2023Q1	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
CY2024Q1	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.215
CY2023Q1	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.195
CY2024Q1	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	110100000	usd
CY2023Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	120800000	usd
CY2024Q1	us-gaap	Oci Before Reclassifications Net Of Tax Attributable To Parent OciBeforeReclassificationsNetOfTaxAttributableToParent	-22000000	usd
CY2024Q1	us-gaap	Reclassification From Aoci Current Period Net Of Tax Attributable To Parent ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent	-7000000	usd
CY2024Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-15000000	usd
CY2024Q1	us-gaap	Net Income Loss NetIncomeLoss	122000000	usd
CY2023Q1	us-gaap	Net Income Loss NetIncomeLoss	147000000	usd
CY2024Q1	us-gaap	Dividends Preferred Stock DividendsPreferredStock	6000000	usd
CY2023Q1	us-gaap	Dividends Preferred Stock DividendsPreferredStock	2000000	usd
CY2024Q1	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	116000000	usd
CY2024Q1	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	116000000	usd
CY2023Q1	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	145000000	usd
CY2023Q1	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	145000000	usd
CY2024Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	361246402	shares
CY2023Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	360858904	shares
CY2024Q1	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	1372876	shares
CY2023Q1	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	4071384	shares
CY2024Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	362619278	shares
CY2023Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	364930288	shares
CY2024Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.32
CY2023Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.40
CY2024Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.32
CY2023Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.40
CY2024Q1	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	0	shares
CY2023Q1	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	0	shares
CY2024Q1	us-gaap	Interest Paid Net InterestPaidNet	229000000	usd
CY2023Q1	us-gaap	Interest Paid Net InterestPaidNet	101000000	usd
CY2024Q1	us-gaap	Transfer Of Other Real Estate TransferOfOtherRealEstate	1000000	usd
CY2023Q1	us-gaap	Transfer Of Other Real Estate TransferOfOtherRealEstate	0	usd
CY2024Q1	fnb	Transfer Of Loans To Portfolio Loans From Held For Sale TransferOfLoansToPortfolioLoansFromHeldForSale	9000000	usd
CY2023Q1	fnb	Transfer Of Loans To Portfolio Loans From Held For Sale TransferOfLoansToPortfolioLoansFromHeldForSale	15000000	usd
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CY2024Q1	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	3	segment
CY2024Q1	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	543000000	usd
CY2024Q1	us-gaap	Interest Expense InterestExpense	224000000	usd
CY2024Q1	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	319000000	usd
CY2024Q1	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	14000000	usd
CY2024Q1	us-gaap	Noninterest Income NoninterestIncome	88000000	usd
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CY2024Q1	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	4000000	usd
CY2024Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	34000000	usd
CY2024Q1	us-gaap	Net Income Loss NetIncomeLoss	122000000	usd
CY2024Q1	us-gaap	Assets Assets	45896000000	usd
CY2024Q1	us-gaap	Intangible Assets Net Including Goodwill IntangibleAssetsNetIncludingGoodwill	2542000000	usd
CY2023Q1	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	444000000	usd
CY2023Q1	us-gaap	Interest Expense InterestExpense	107000000	usd
CY2023Q1	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	337000000	usd
CY2023Q1	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	14000000	usd
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CY2023Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	35000000	usd
CY2023Q1	us-gaap	Net Income Loss NetIncomeLoss	147000000	usd
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CY2024Q1	fnb	Collateral Dependent Loans Allowance For Credit Loss CollateralDependentLoansAllowanceForCreditLoss	2500000	usd
CY2024Q1	fnb	Provision For Loan And Lease Losses Fair Value Disclosure ProvisionForLoanAndLeaseLossesFairValueDisclosure	-2500000	usd

Files In Submission

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FNB CORP/PA/ Stock $fnb

2024 Q2 Form 10-Q Financial Statement

#000003780824000011 Filed on May 08, 2024

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$FNB FNB CORP/PA/ Stock $fnb

2024 Q2 Form 10-Q Financial Statement

#000003780824000011 Filed on May 08, 2024

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$FNB
FNB CORP/PA/ Stock $fnb