$CMA
Comerica Inc Stock $cma

$cma Overview Financials Valuation SEC Filings Company Website

2024 Q3 Form 10-Q Financial Statement

#000002841224000306 Filed on July 26, 2024

Income Statement

Concept	2024 Q3	2024 Q2
Revenue		$203.0M
YoY Change		-3.79%
Cost Of Revenue
YoY Change
Gross Profit
YoY Change
Gross Profit Margin
Selling, General & Admin
YoY Change
% of Gross Profit
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization		$25.00M
YoY Change		13.64%
% of Gross Profit
Operating Expenses
YoY Change
Operating Profit
YoY Change
Interest Expense		$438.0M
YoY Change		-3.31%
% of Operating Profit
Other Income/Expense, Net
YoY Change
Pretax Income		$269.0M
YoY Change		-24.44%
Income Tax		$63.00M
% Of Pretax Income		23.42%
Net Earnings		$200.0M
YoY Change		-24.81%
Net Earnings / Revenue		98.52%
Basic Earnings Per Share		$1.50
Diluted Earnings Per Share		$1.49
COMMON SHARES
Basic Shares Outstanding	132.7M shares	132.6M shares
Diluted Shares Outstanding		134.0M shares

Balance Sheet

Concept	2024 Q3	2024 Q2
SHORT-TERM ASSETS
Cash & Short-Term Investments
YoY Change
Cash & Equivalents		$4.812B
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		$474.0M
YoY Change		19.4%
Goodwill
YoY Change
Intangibles
YoY Change
Long-Term Investments
YoY Change
Other Assets
YoY Change
Total Long-Term Assets
YoY Change
TOTAL ASSETS
Total Short-Term Assets
Total Long-Term Assets
Total Assets		$79.60B
YoY Change		-12.3%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable
YoY Change
Accrued Expenses		$2.615B
YoY Change		-0.65%
Deferred Revenue
YoY Change
Short-Term Debt		$1.250B
YoY Change		-86.92%
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities		$3.865B
YoY Change		-68.29%
LONG-TERM LIABILITIES
Long-Term Debt		$7.112B
YoY Change		134.8%
Other Long-Term Liabilities
YoY Change
Total Long-Term Liabilities		$7.112B
YoY Change		134.8%
TOTAL LIABILITIES
Total Short-Term Liabilities		$3.865B
Total Long-Term Liabilities		$7.112B
Total Liabilities		$73.44B
YoY Change		-13.77%
SHAREHOLDERS EQUITY
Retained Earnings		$11.87B
YoY Change		1.88%
Common Stock		$3.351B
YoY Change		-0.06%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity		$6.161B
YoY Change
Total Liabilities & Shareholders Equity		$79.60B
YoY Change		-12.3%

Cashflow Statement

Concept	2024 Q3	2024 Q2
OPERATING ACTIVITIES
Net Income		$200.0M
YoY Change		-24.81%
Depreciation, Depletion And Amortization		$25.00M
YoY Change		13.64%
Cash From Operating Activities		$111.0M
YoY Change		-171.61%
INVESTING ACTIVITIES
Capital Expenditures		$44.00M
YoY Change		33.33%
Acquisitions
YoY Change
Other Investing Activities		-$524.0M
YoY Change		394.34%
Cash From Investing Activities		-$568.0M
YoY Change		308.63%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities		134.0M
YoY Change		-161.75%
NET CHANGE
Cash From Operating Activities		111.0M
Cash From Investing Activities		-568.0M
Cash From Financing Activities		134.0M
Net Change In Cash		-323.0M
YoY Change		-36.79%
FREE CASH FLOW
Cash From Operating Activities		$111.0M
Capital Expenditures		$44.00M
Free Cash Flow		$67.00M
YoY Change		-135.64%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2024
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q2
	dei	Amendment Flag AmendmentFlag	false
	dei	Document Quarterly Report DocumentQuarterlyReport	true
	dei	Document Period End Date DocumentPeriodEndDate	2024-06-30
	dei	Document Transition Report DocumentTransitionReport	false
	dei	Entity Registrant Name EntityRegistrantName	Comerica Incorporated
	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	38-1998421
	dei	Entity Address Address Line1 EntityAddressAddressLine1	1717 Main Street, MC 6404
	dei	Entity Address City Or Town EntityAddressCityOrTown	Dallas
	dei	Entity Address State Or Province EntityAddressStateOrProvince	TX
	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	75201
	dei	City Area Code CityAreaCode	(833)
	dei	Local Phone Number LocalPhoneNumber	571-0486
	dei	Trading Symbol TradingSymbol	CMA
	dei	Security Exchange Name SecurityExchangeName	NYSE
	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
	dei	Entity Small Business EntitySmallBusiness	false
	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
	dei	Entity Shell Company EntityShellCompany	false
CY2024Q3	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	132669896	shares
CY2024Q2	us-gaap	Cash And Due From Banks CashAndDueFromBanks	719000000	usd
CY2023Q4	us-gaap	Cash And Due From Banks CashAndDueFromBanks	1443000000	usd
CY2024Q2	us-gaap	Interest Bearing Deposits In Banks InterestBearingDepositsInBanks	4093000000	usd
CY2023Q4	us-gaap	Interest Bearing Deposits In Banks InterestBearingDepositsInBanks	8059000000	usd
CY2024Q2	us-gaap	Other Short Term Investments OtherShortTermInvestments	396000000	usd
CY2023Q4	us-gaap	Other Short Term Investments OtherShortTermInvestments	399000000	usd
CY2024Q2	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	51164000000	usd
CY2023Q4	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	51425000000	usd
CY2024Q2	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	474000000	usd
CY2023Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	445000000	usd
CY2024Q2	us-gaap	Other Assets OtherAssets	7095000000	usd
CY2023Q4	us-gaap	Other Assets OtherAssets	7194000000	usd
CY2024Q2	us-gaap	Assets Assets	79597000000	usd
CY2023Q4	us-gaap	Assets Assets	85834000000	usd
CY2024Q2	us-gaap	Noninterest Bearing Deposit Liabilities NoninterestBearingDepositLiabilities	24522000000	usd
CY2023Q4	us-gaap	Noninterest Bearing Deposit Liabilities NoninterestBearingDepositLiabilities	27849000000	usd
CY2024Q2	us-gaap	Deposits Money Market Deposits And Negotiable Order Of Withdrawal Now DepositsMoneyMarketDepositsAndNegotiableOrderOfWithdrawalNOW	29016000000	usd
CY2023Q4	us-gaap	Deposits Money Market Deposits And Negotiable Order Of Withdrawal Now DepositsMoneyMarketDepositsAndNegotiableOrderOfWithdrawalNOW	28246000000	usd
CY2024Q2	us-gaap	Deposits Savings Deposits DepositsSavingsDeposits	2247000000	usd
CY2023Q4	us-gaap	Deposits Savings Deposits DepositsSavingsDeposits	2381000000	usd
CY2024Q2	cma	Deposits Customer Certificates Deposits DepositsCustomerCertificatesDeposits	3775000000	usd
CY2023Q4	cma	Deposits Customer Certificates Deposits DepositsCustomerCertificatesDeposits	3723000000	usd
CY2024Q2	cma	Other Time Deposits OtherTimeDeposits	2879000000	usd
CY2023Q4	cma	Other Time Deposits OtherTimeDeposits	4550000000	usd
CY2024Q2	us-gaap	Interest Bearing Foreign Deposit Time Deposits InterestBearingForeignDepositTimeDeposits	20000000	usd
CY2023Q4	cma	Short Term Advances ShortTermAdvances	3565000000	usd
CY2024Q2	us-gaap	Other Liabilities OtherLiabilities	2615000000	usd
CY2023Q4	us-gaap	Other Liabilities OtherLiabilities	2895000000	usd
CY2024Q2	us-gaap	Long Term Debt LongTermDebt	7112000000	usd
CY2023Q4	us-gaap	Long Term Debt LongTermDebt	6206000000	usd
CY2024Q2	us-gaap	Liabilities Liabilities	73436000000	usd
CY2023Q4	us-gaap	Liabilities Liabilities	79428000000	usd
CY2024Q2	us-gaap	Preferred Stock No Par Value PreferredStockNoParValue	0
CY2023Q4	us-gaap	Preferred Stock No Par Value PreferredStockNoParValue	0
CY2024Q2	us-gaap	Preferred Stock Liquidation Preference PreferredStockLiquidationPreference	100000
CY2024Q2	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-3463000000	usd
CY2023Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-3048000000	usd
CY2024Q2	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	11867000000	usd
CY2023Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	11727000000	usd
CY2023Q2	cma	Interest And Dividend Income Securities Afs And Htm InterestAndDividendIncomeSecuritiesAFSAndHTM	108000000	usd
	us-gaap	Other Interest And Dividend Income OtherInterestAndDividendIncome	173000000	usd
CY2024Q2	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	971000000	usd
CY2023Q2	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	1074000000	usd
	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	1990000000	usd
	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	2023000000	usd
CY2024Q2	us-gaap	Interest Expense Deposits InterestExpenseDeposits	305000000	usd
CY2023Q2	us-gaap	Interest Expense Deposits InterestExpenseDeposits	201000000	usd
	us-gaap	Interest Expense Deposits InterestExpenseDeposits	622000000	usd
	us-gaap	Interest Expense Deposits InterestExpenseDeposits	319000000	usd
CY2024Q2	us-gaap	Interest Expense Short Term Borrowings InterestExpenseShortTermBorrowings	9000000	usd
CY2023Q2	us-gaap	Interest Expense Short Term Borrowings InterestExpenseShortTermBorrowings	142000000	usd
	us-gaap	Interest Expense Short Term Borrowings InterestExpenseShortTermBorrowings	46000000	usd
	us-gaap	Interest Expense Short Term Borrowings InterestExpenseShortTermBorrowings	208000000	usd
CY2024Q2	us-gaap	Interest Expense Long Term Debt InterestExpenseLongTermDebt	124000000	usd
CY2023Q2	us-gaap	Interest Expense Long Term Debt InterestExpenseLongTermDebt	110000000	usd
	us-gaap	Interest Expense Long Term Debt InterestExpenseLongTermDebt	241000000	usd
	us-gaap	Interest Expense Long Term Debt InterestExpenseLongTermDebt	167000000	usd
CY2024Q2	us-gaap	Interest Expense InterestExpense	438000000	usd
CY2023Q2	us-gaap	Interest Expense InterestExpense	453000000	usd
	us-gaap	Interest Expense InterestExpense	909000000	usd
	us-gaap	Interest Expense InterestExpense	694000000	usd
CY2024Q2	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	533000000	usd
CY2023Q2	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	621000000	usd
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	1081000000	usd
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	1329000000	usd
CY2024Q2	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	0	usd
CY2023Q2	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	33000000	usd
	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	14000000	usd
	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	63000000	usd
CY2024Q2	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	533000000	usd
CY2023Q2	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	588000000	usd
	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	1067000000	usd
	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	1266000000	usd
CY2024Q2	cma	Card Fees CardFees	64000000	usd
CY2023Q2	cma	Card Fees CardFees	72000000	usd
	cma	Card Fees CardFees	141000000	usd
CY2024Q2	cma	Fiduciaryincome Fiduciaryincome	58000000	usd
CY2023Q2	cma	Commercial Lending Fees CommercialLendingFees	18000000	usd
	cma	Commercial Lending Fees CommercialLendingFees	33000000	usd
	cma	Commercial Lending Fees CommercialLendingFees	36000000	usd
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-5767000000	usd
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	4779000000	usd
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-4690000000	usd
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	3941000000	usd
CY2023Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	9502000000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	6282000000	usd
CY2024Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	4812000000	usd
	us-gaap	Interest Paid InterestPaid	1025000000	usd
	us-gaap	Interest Paid InterestPaid	538000000	usd
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	172000000	usd
	dei	Entity Central Index Key EntityCentralIndexKey	0000028412
	dei	Security12b Title Security12bTitle	Common Stock, $5 par value
CY2024Q2	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	15656000000	usd
CY2024Q2	cma	Loans Receivable Commercial Financial And Agricultural Net Of Deferred Income LoansReceivableCommercialFinancialAndAgriculturalNetOfDeferredIncome	27113000000	usd
CY2023Q4	cma	Loans Receivable Commercial Financial And Agricultural Net Of Deferred Income LoansReceivableCommercialFinancialAndAgriculturalNetOfDeferredIncome	27251000000	usd
CY2024Q2	cma	Real Estate Construction Loans Net Of Deferred Income RealEstateConstructionLoansNetOfDeferredIncome	4554000000	usd
CY2023Q4	cma	Real Estate Construction Loans Net Of Deferred Income RealEstateConstructionLoansNetOfDeferredIncome	5083000000	usd
CY2024Q2	cma	Loans Receivable Commercial Mortgage Net Of Deferred Income LoansReceivableCommercialMortgageNetOfDeferredIncome	14156000000	usd
CY2023Q4	cma	Loans Receivable Commercial Mortgage Net Of Deferred Income LoansReceivableCommercialMortgageNetOfDeferredIncome	13686000000	usd
CY2024Q2	cma	Leases Receivable Commercial Lease Financing Net Of Deferred Income LeasesReceivableCommercialLeaseFinancingNetOfDeferredIncome	806000000	usd
CY2023Q4	cma	Leases Receivable Commercial Lease Financing Net Of Deferred Income LeasesReceivableCommercialLeaseFinancingNetOfDeferredIncome	807000000	usd
CY2024Q2	cma	Loans And Leases Receivable Foreign Net Of Deferred Income Other LoansAndLeasesReceivableForeignNetOfDeferredIncomeOther	1087000000	usd
CY2024Q2	cma	Loans And Leases Receivable Consumer Mortgage Net Of Deferred Income LoansAndLeasesReceivableConsumerMortgageNetOfDeferredIncome	1896000000	usd
CY2023Q4	cma	Loans And Leases Receivable Consumer Mortgage Net Of Deferred Income LoansAndLeasesReceivableConsumerMortgageNetOfDeferredIncome	1889000000	usd
CY2024Q2	cma	Loans And Leases Receivable Consumer Loans Net Of Deferred Income LoansAndLeasesReceivableConsumerLoansNetOfDeferredIncome	2238000000	usd
CY2023Q4	cma	Loans And Leases Receivable Consumer Loans Net Of Deferred Income LoansAndLeasesReceivableConsumerLoansNetOfDeferredIncome	2295000000	usd
CY2023Q4	us-gaap	Loans And Leases Receivable Net Of Deferred Income LoansAndLeasesReceivableNetOfDeferredIncome	52113000000	usd
CY2023Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	688000000	usd
CY2023Q4	us-gaap	Interest Bearing Foreign Deposit Time Deposits InterestBearingForeignDepositTimeDeposits	13000000	usd
CY2024Q2	us-gaap	Interest Bearing Deposit Liabilities InterestBearingDepositLiabilities	37937000000	usd
CY2023Q4	us-gaap	Preferred Stock Liquidation Preference PreferredStockLiquidationPreference	100000
CY2024Q2	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	4000	shares
CY2023Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	4000	shares
CY2023Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	4000	shares
CY2024Q2	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	4000	shares
CY2024Q2	us-gaap	Preferred Stock Value PreferredStockValue	394000000	usd
CY2023Q4	us-gaap	Preferred Stock Value PreferredStockValue	394000000	usd
CY2024Q2	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	5
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CY2023Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	325000000	shares
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CY2024Q2	us-gaap	Common Stock Value CommonStockValue	1141000000	usd
CY2023Q4	us-gaap	Common Stock Value CommonStockValue	1141000000	usd
CY2024Q2	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	2210000000	usd
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CY2024Q2	us-gaap	Treasury Stock Common Shares TreasuryStockCommonShares	95559986	shares
CY2023Q4	us-gaap	Treasury Stock Common Shares TreasuryStockCommonShares	96266568	shares
CY2024Q2	us-gaap	Treasury Stock Common Value TreasuryStockCommonValue	5988000000	usd
CY2023Q4	us-gaap	Treasury Stock Common Value TreasuryStockCommonValue	6032000000	usd
	us-gaap	Interest And Fee Income Loans And Leases Held In Portfolio InterestAndFeeIncomeLoansAndLeasesHeldInPortfolio	1611000000	usd
	us-gaap	Interest And Fee Income Loans And Leases Held In Portfolio InterestAndFeeIncomeLoansAndLeasesHeldInPortfolio	1629000000	usd
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	cma	Interest And Dividend Income Securities Afs And Htm InterestAndDividendIncomeSecuritiesAFSAndHTM	203000000	usd
	cma	Interest And Dividend Income Securities Afs And Htm InterestAndDividendIncomeSecuritiesAFSAndHTM	221000000	usd
CY2024Q2	us-gaap	Other Interest And Dividend Income OtherInterestAndDividendIncome	67000000	usd
CY2023Q2	us-gaap	Other Interest And Dividend Income OtherInterestAndDividendIncome	114000000	usd
	us-gaap	Other Interest And Dividend Income OtherInterestAndDividendIncome	176000000	usd
	cma	Card Fees CardFees	130000000	usd
CY2023Q2	cma	Fiduciaryincome Fiduciaryincome	62000000	usd
	cma	Fiduciaryincome Fiduciaryincome	109000000	usd
	cma	Fiduciaryincome Fiduciaryincome	120000000	usd
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CY2023Q2	cma	Capital Markets Income CapitalMarketsIncome	39000000	usd
	cma	Capital Markets Income CapitalMarketsIncome	67000000	usd
	cma	Capital Markets Income CapitalMarketsIncome	78000000	usd
CY2024Q2	cma	Commercial Lending Fees CommercialLendingFees	17000000	usd
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	1171000000	usd
	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	-4247000000	usd
	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	-2315000000	usd
	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	4000000000	usd
	us-gaap	Payments Of Dividends Preferred Stock And Preference Stock PaymentsOfDividendsPreferredStockAndPreferenceStock	11000000	usd
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	16000000	usd
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	182000000	usd
	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	7000000	usd
CY2023Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	10223000000	usd
	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	63000000	usd
CY2023Q2	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	728000000	usd
	us-gaap	Financing Receivable Modified Weighted Average Interest Rate Decrease From Modification FinancingReceivableModifiedWeightedAverageInterestRateDecreaseFromModification	0.0134
CY2023Q2	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	16000000	usd
	us-gaap	Advertising Expense AdvertisingExpense	18000000	usd
	us-gaap	Other Noninterest Expense OtherNoninterestExpense	74000000	usd
	us-gaap	Other Noninterest Expense OtherNoninterestExpense	86000000	usd
CY2023Q2	us-gaap	Noninterest Expense NoninterestExpense	535000000	usd
	us-gaap	Noninterest Expense NoninterestExpense	1158000000	usd
	us-gaap	Noninterest Expense NoninterestExpense	1086000000	usd
CY2024Q2	cma	Income Loss From Continuing Operations Before Income Taxes IncomeLossFromContinuingOperationsBeforeIncomeTaxes	269000000	usd
CY2023Q2	cma	Income Loss From Continuing Operations Before Income Taxes IncomeLossFromContinuingOperationsBeforeIncomeTaxes	356000000	usd
	cma	Income Loss From Continuing Operations Before Income Taxes IncomeLossFromContinuingOperationsBeforeIncomeTaxes	436000000	usd
CY2024Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	63000000	usd
CY2023Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	83000000	usd
CY2024Q2	us-gaap	Profit Loss ProfitLoss	206000000	usd
	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	-24000000	usd
	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost DefinedBenefitPlanNetPeriodicBenefitCost	-14000000	usd
	us-gaap	Share Based Compensation ShareBasedCompensation	36000000	usd
	us-gaap	Share Based Compensation ShareBasedCompensation	35000000	usd
	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	-10000000	usd
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CY2024Q2	us-gaap	Loans And Leases Receivable Net Of Deferred Income LoansAndLeasesReceivableNetOfDeferredIncome	51850000000	usd
CY2024Q2	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	686000000	usd
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CY2023Q4	us-gaap	Deposits Deposits	66762000000	usd
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CY2023Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	6406000000	usd
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CY2023Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	85834000000	usd
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CY2023Q2	us-gaap	Interest And Fee Income Loans And Leases Held In Portfolio InterestAndFeeIncomeLoansAndLeasesHeldInPortfolio	852000000	usd
CY2024Q2	us-gaap	Financing Receivable Modified Weighted Average Term Increase From Modification FinancingReceivableModifiedWeightedAverageTermIncreaseFromModification	P1Y11D
CY2023Q2	us-gaap	Financing Receivable Modified Weighted Average Term Increase From Modification FinancingReceivableModifiedWeightedAverageTermIncreaseFromModification	P0Y11M16D
	us-gaap	Financing Receivable Modified Weighted Average Term Increase From Modification FinancingReceivableModifiedWeightedAverageTermIncreaseFromModification	P1Y22D
	us-gaap	Financing Receivable Modified Weighted Average Term Increase From Modification FinancingReceivableModifiedWeightedAverageTermIncreaseFromModification	P1Y1M24D
	us-gaap	Average Term Of Credit Risk Derivatives1 AverageTermOfCreditRiskDerivatives1	P4Y1M6D
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CY2024Q2	cma	Risk Management Hedging Loss Income RiskManagementHedgingLossIncome	17000000	usd
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	us-gaap	Brokerage Commissions Revenue BrokerageCommissionsRevenue	24000000	usd
	us-gaap	Brokerage Commissions Revenue BrokerageCommissionsRevenue	16000000	usd
CY2024Q2	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	11000000	usd
CY2023Q2	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	14000000	usd
	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	21000000	usd
	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	24000000	usd
CY2024Q2	cma	Letter Of Credit Fees LetterOfCreditFees	10000000	usd
CY2023Q2	cma	Letter Of Credit Fees LetterOfCreditFees	11000000	usd
	cma	Letter Of Credit Fees LetterOfCreditFees	20000000	usd
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CY2024Q2	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	17000000	usd
CY2023Q2	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	25000000	usd
	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	40000000	usd
	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	41000000	usd
CY2024Q2	us-gaap	Noninterest Income NoninterestIncome	291000000	usd
CY2023Q2	us-gaap	Noninterest Income NoninterestIncome	303000000	usd
	us-gaap	Noninterest Income NoninterestIncome	527000000	usd
	us-gaap	Noninterest Income NoninterestIncome	585000000	usd
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	cma	Outside Processing Fee Expense OutsideProcessingFeeExpense	132000000	usd
CY2024Q2	cma	Software Expenses SoftwareExpenses	45000000	usd
CY2023Q2	cma	Software Expenses SoftwareExpenses	43000000	usd
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	us-gaap	Occupancy Net OccupancyNet	88000000	usd
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	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	55000000	usd
	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	29000000	usd
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CY2023Q2	us-gaap	Equipment Expense EquipmentExpense	12000000	usd
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	us-gaap	Equipment Expense EquipmentExpense	24000000	usd
CY2024Q2	us-gaap	Advertising Expense AdvertisingExpense	12000000	usd
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CY2023Q2	us-gaap	Other Noninterest Expense OtherNoninterestExpense	39000000	usd
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CY2023Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.02
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CY2024Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.49
CY2023Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.01
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.47
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CY2023Q4	cma	Current Loans CurrentLoans	51717000000	usd
CY2023Q4	us-gaap	Loans And Leases Receivable Net Of Deferred Income LoansAndLeasesReceivableNetOfDeferredIncome	52113000000	usd
CY2024Q2	us-gaap	Financing Receivable Originated In Current Fiscal Year FinancingReceivableOriginatedInCurrentFiscalYear	2801000000	usd
CY2024Q2	us-gaap	Financing Receivable Originated In Fiscal Year Before Latest Fiscal Year FinancingReceivableOriginatedInFiscalYearBeforeLatestFiscalYear	5760000000	usd
CY2024Q2	us-gaap	Financing Receivable Originated Two Years Before Latest Fiscal Year FinancingReceivableOriginatedTwoYearsBeforeLatestFiscalYear	8915000000	usd
CY2024Q2	us-gaap	Financing Receivable Originated Three Years Before Latest Fiscal Year FinancingReceivableOriginatedThreeYearsBeforeLatestFiscalYear	6052000000	usd
CY2024Q2	us-gaap	Financing Receivable Originated Four Years Before Latest Fiscal Year FinancingReceivableOriginatedFourYearsBeforeLatestFiscalYear	2783000000	usd
CY2024Q2	us-gaap	Financing Receivable Originated Five Or More Years Before Latest Fiscal Year FinancingReceivableOriginatedFiveOrMoreYearsBeforeLatestFiscalYear	5495000000	usd
CY2024Q2	us-gaap	Financing Receivable Revolving FinancingReceivableRevolving	19954000000	usd
CY2024Q2	us-gaap	Financing Receivable Revolving Converted To Term Loan FinancingReceivableRevolvingConvertedToTermLoan	90000000	usd
CY2024Q2	us-gaap	Loans And Leases Receivable Net Of Deferred Income LoansAndLeasesReceivableNetOfDeferredIncome	51850000000	usd
CY2023Q4	us-gaap	Financing Receivable Originated In Current Fiscal Year FinancingReceivableOriginatedInCurrentFiscalYear	6148000000	usd
CY2023Q4	us-gaap	Financing Receivable Originated In Fiscal Year Before Latest Fiscal Year FinancingReceivableOriginatedInFiscalYearBeforeLatestFiscalYear	9632000000	usd
CY2023Q4	us-gaap	Financing Receivable Originated Two Years Before Latest Fiscal Year FinancingReceivableOriginatedTwoYearsBeforeLatestFiscalYear	6790000000	usd
CY2023Q4	us-gaap	Financing Receivable Originated Three Years Before Latest Fiscal Year FinancingReceivableOriginatedThreeYearsBeforeLatestFiscalYear	3329000000	usd
CY2023Q4	us-gaap	Financing Receivable Originated Four Years Before Latest Fiscal Year FinancingReceivableOriginatedFourYearsBeforeLatestFiscalYear	2200000000	usd
CY2023Q4	us-gaap	Financing Receivable Originated Five Or More Years Before Latest Fiscal Year FinancingReceivableOriginatedFiveOrMoreYearsBeforeLatestFiscalYear	4098000000	usd
CY2023Q4	us-gaap	Financing Receivable Revolving FinancingReceivableRevolving	19840000000	usd
CY2023Q4	us-gaap	Financing Receivable Revolving Converted To Term Loan FinancingReceivableRevolvingConvertedToTermLoan	76000000	usd
CY2023Q4	us-gaap	Loans And Leases Receivable Net Of Deferred Income LoansAndLeasesReceivableNetOfDeferredIncome	52113000000	usd
CY2024Q2	cma	Loan Interest Receivable LoanInterestReceivable	274000000	usd
CY2023Q4	cma	Loan Interest Receivable LoanInterestReceivable	313000000	usd
CY2024Q1	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	728000000	usd
CY2023Q1	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	693000000	usd
CY2024Q2	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	0	usd
CY2023Q2	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	33000000	usd
CY2024Q2	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	717000000	usd
CY2023Q2	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	728000000	usd
CY2023Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	728000000	usd
CY2022Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	661000000	usd
	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	14000000	usd
CY2024Q2	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	717000000	usd
CY2024Q2	cma	Financing Receivable Ratio Of Allowance For Credit Losses To All Loans FinancingReceivableRatioOfAllowanceForCreditLossesToAllLoans	0.0138
CY2023Q2	cma	Financing Receivable Ratio Of Allowance For Credit Losses To All Loans FinancingReceivableRatioOfAllowanceForCreditLossesToAllLoans	0.0131
CY2024Q2	us-gaap	Financing Receivable Nonaccrual Interest Income FinancingReceivableNonaccrualInterestIncome	6000000	usd
CY2023Q2	us-gaap	Financing Receivable Nonaccrual Interest Income FinancingReceivableNonaccrualInterestIncome	2000000	usd
	us-gaap	Financing Receivable Nonaccrual Interest Income FinancingReceivableNonaccrualInterestIncome	8000000	usd
	us-gaap	Financing Receivable Nonaccrual Interest Income FinancingReceivableNonaccrualInterestIncome	6000000	usd
CY2024Q2	us-gaap	Financing Receivable Nonaccrual No Allowance FinancingReceivableNonaccrualNoAllowance	95000000	usd
CY2024Q2	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	131000000	usd
CY2024Q2	us-gaap	Loans And Leases Receivable Impaired Nonperforming Nonaccrual Of Interest LoansAndLeasesReceivableImpairedNonperformingNonaccrualOfInterest	226000000	usd
CY2023Q4	us-gaap	Financing Receivable Nonaccrual No Allowance FinancingReceivableNonaccrualNoAllowance	109000000	usd
CY2023Q4	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	69000000	usd
CY2023Q4	us-gaap	Loans And Leases Receivable Impaired Nonperforming Nonaccrual Of Interest LoansAndLeasesReceivableImpairedNonperformingNonaccrualOfInterest	178000000	usd
CY2024Q2	us-gaap	Financing Receivable Excluding Accrued Interest Modified Period FinancingReceivableExcludingAccruedInterestModifiedPeriod	119000000	usd
CY2024Q2	us-gaap	Financing Receivable Modification To Total Financing Receivables Excluding Accrued Interest Percent FinancingReceivableModificationToTotalFinancingReceivablesExcludingAccruedInterestPercent	0.0023
CY2023Q2	us-gaap	Financing Receivable Excluding Accrued Interest Modified Period FinancingReceivableExcludingAccruedInterestModifiedPeriod	52000000	usd
CY2023Q2	us-gaap	Financing Receivable Modification To Total Financing Receivables Excluding Accrued Interest Percent FinancingReceivableModificationToTotalFinancingReceivablesExcludingAccruedInterestPercent	0.0009
	us-gaap	Financing Receivable Excluding Accrued Interest Modified Period FinancingReceivableExcludingAccruedInterestModifiedPeriod	193000000	usd
	us-gaap	Financing Receivable Modification To Total Financing Receivables Excluding Accrued Interest Percent FinancingReceivableModificationToTotalFinancingReceivablesExcludingAccruedInterestPercent	0.0037
	us-gaap	Financing Receivable Excluding Accrued Interest Modified Period FinancingReceivableExcludingAccruedInterestModifiedPeriod	66000000	usd
	us-gaap	Financing Receivable Modification To Total Financing Receivables Excluding Accrued Interest Percent FinancingReceivableModificationToTotalFinancingReceivablesExcludingAccruedInterestPercent	0.0012
CY2023Q4	us-gaap	Loans And Leases Receivable Impaired Commitment To Lend LoansAndLeasesReceivableImpairedCommitmentToLend	0	usd
CY2024Q2	us-gaap	Loans And Leases Receivable Impaired Commitment To Lend LoansAndLeasesReceivableImpairedCommitmentToLend	0	usd
CY2024Q2	us-gaap	Financing Receivable Modified Weighted Average Interest Rate Decrease From Modification FinancingReceivableModifiedWeightedAverageInterestRateDecreaseFromModification	0.0131
CY2023Q2	us-gaap	Financing Receivable Modified Weighted Average Interest Rate Decrease From Modification FinancingReceivableModifiedWeightedAverageInterestRateDecreaseFromModification	-0.0192
	us-gaap	Financing Receivable Modified Weighted Average Interest Rate Decrease From Modification FinancingReceivableModifiedWeightedAverageInterestRateDecreaseFromModification	-0.0067
CY2024Q2	cma	Derivative Assets Cash Collateral DerivativeAssetsCashCollateral	86000000	usd
CY2024Q2	us-gaap	Derivative Asset Fair Value Of Collateral DerivativeAssetFairValueOfCollateral	84000000	usd
CY2024Q2	cma	Cash Collateral Posted For Derivatives In Liability Position CashCollateralPostedForDerivativesInLiabilityPosition	5000000	usd
CY2024Q2	us-gaap	Derivative Notional Amount DerivativeNotionalAmount	72768000000	usd
CY2024Q2	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	800000000	usd
CY2024Q2	us-gaap	Derivative Fair Value Of Derivative Liability DerivativeFairValueOfDerivativeLiability	1060000000	usd
CY2023Q4	us-gaap	Derivative Notional Amount DerivativeNotionalAmount	70737000000	usd
CY2023Q4	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	1019000000	usd
CY2023Q4	us-gaap	Derivative Fair Value Of Derivative Liability DerivativeFairValueOfDerivativeLiability	1206000000	usd
CY2024Q2	us-gaap	Derivative Asset Fair Value Gross Liability DerivativeAssetFairValueGrossLiability	283000000	usd
CY2024Q2	us-gaap	Derivative Liability Fair Value Gross Asset DerivativeLiabilityFairValueGrossAsset	283000000	usd
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CY2023Q4	us-gaap	Derivative Liability Fair Value Gross Asset DerivativeLiabilityFairValueGrossAsset	311000000	usd
CY2024Q2	us-gaap	Derivative Asset Collateral Obligation To Return Cash Offset DerivativeAssetCollateralObligationToReturnCashOffset	85000000	usd
CY2024Q2	us-gaap	Derivative Liability Collateral Right To Reclaim Cash Offset DerivativeLiabilityCollateralRightToReclaimCashOffset	3000000	usd
CY2023Q4	us-gaap	Derivative Asset Collateral Obligation To Return Cash Offset DerivativeAssetCollateralObligationToReturnCashOffset	143000000	usd
CY2023Q4	us-gaap	Derivative Liability Collateral Right To Reclaim Cash Offset DerivativeLiabilityCollateralRightToReclaimCashOffset	13000000	usd
CY2024Q2	us-gaap	Derivative Assets DerivativeAssets	432000000	usd
CY2024Q2	us-gaap	Derivative Liabilities DerivativeLiabilities	774000000	usd
CY2023Q4	us-gaap	Derivative Assets DerivativeAssets	565000000	usd
CY2023Q4	us-gaap	Derivative Liabilities DerivativeLiabilities	882000000	usd
CY2024Q2	us-gaap	Derivative Collateral Obligation To Return Securities DerivativeCollateralObligationToReturnSecurities	287000000	usd
CY2024Q2	us-gaap	Derivative Collateral Right To Reclaim Securities DerivativeCollateralRightToReclaimSecurities	78000000	usd
CY2023Q4	us-gaap	Derivative Collateral Obligation To Return Securities DerivativeCollateralObligationToReturnSecurities	501000000	usd
CY2023Q4	us-gaap	Derivative Collateral Right To Reclaim Securities DerivativeCollateralRightToReclaimSecurities	4000000	usd
CY2024Q2	us-gaap	Derivative Fair Value Of Derivative Asset Amount Offset Against Collateral DerivativeFairValueOfDerivativeAssetAmountOffsetAgainstCollateral	145000000	usd
CY2024Q2	us-gaap	Derivative Fair Value Of Derivative Liability Amount Offset Against Collateral DerivativeFairValueOfDerivativeLiabilityAmountOffsetAgainstCollateral	696000000	usd
CY2023Q4	us-gaap	Derivative Fair Value Of Derivative Asset Amount Offset Against Collateral DerivativeFairValueOfDerivativeAssetAmountOffsetAgainstCollateral	64000000	usd
CY2023Q4	us-gaap	Derivative Fair Value Of Derivative Liability Amount Offset Against Collateral DerivativeFairValueOfDerivativeLiabilityAmountOffsetAgainstCollateral	878000000	usd
CY2024Q2	us-gaap	Derivative Credit Risk Valuation Adjustment Derivative Assets DerivativeCreditRiskValuationAdjustmentDerivativeAssets	2000000	usd
CY2024Q2	us-gaap	Other Comprehensive Income Loss Before Reclassifications Before Tax OtherComprehensiveIncomeLossBeforeReclassificationsBeforeTax	-174000000	usd
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CY2023Q2	us-gaap	Interest Expense Long Term Debt InterestExpenseLongTermDebt	110000000	usd
	us-gaap	Interest Expense Long Term Debt InterestExpenseLongTermDebt	241000000	usd
	us-gaap	Interest Expense Long Term Debt InterestExpenseLongTermDebt	167000000	usd
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	cma	Price Alignment Income PriceAlignmentIncome	30000000	usd
	cma	Price Alignment Income PriceAlignmentIncome	15000000	usd
CY2023Q2	us-gaap	Gain Loss On Foreign Currency Derivative Instruments Not Designated As Hedging Instruments GainLossOnForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstruments	-1000000	usd
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CY2024Q2	cma	Carrying Value Of Unused Commitments To Extend Credit CarryingValueOfUnusedCommitmentsToExtendCredit	30000000	usd
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CY2023Q4	us-gaap	Long Term Debt LongTermDebt	6206000000	usd
CY2024Q2	us-gaap	Advances From Federal Home Loan Banks AdvancesFromFederalHomeLoanBanks	5300000000	usd
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CY2024Q2	us-gaap	Line Of Credit Facility Remaining Borrowing Capacity LineOfCreditFacilityRemainingBorrowingCapacity	12000000000.0	usd
CY2024Q2	us-gaap	Unamortized Debt Issuance Expense UnamortizedDebtIssuanceExpense	12000000	usd
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	cma	Other Comprehensive Income Loss Reclassification Adjustment Pension And Other Postretirement Benefit Plans Recognized In Net Periodic Defined Benefit Cost Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentPensionAndOtherPostretirementBenefitPlansRecognizedInNetPeriodicDefinedBenefitCostBeforeTax	7000000	usd
	cma	Other Comprehensive Income Loss Reclassification Adjustment Pension And Other Postretirement Benefit Plans Recognized In Net Periodic Defined Benefit Cost Tax OtherComprehensiveIncomeLossReclassificationAdjustmentPensionAndOtherPostretirementBenefitPlansRecognizedInNetPeriodicDefinedBenefitCostTax	0	usd
	cma	Other Comprehensive Income Loss Reclassification Adjustment Pension And Other Postretirement Benefit Plans Recognized In Net Periodic Defined Benefit Cost Tax OtherComprehensiveIncomeLossReclassificationAdjustmentPensionAndOtherPostretirementBenefitPlansRecognizedInNetPeriodicDefinedBenefitCostTax	2000000	usd
	cma	Other Comprehensive Income Loss Reclassification Adjustment Pension And Other Postretirement Benefit Plans Recognized In Net Periodic Defined Benefit Cost Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentPensionAndOtherPostretirementBenefitPlansRecognizedInNetPeriodicDefinedBenefitCostNetOfTax	3000000	usd
	cma	Other Comprehensive Income Loss Reclassification Adjustment Pension And Other Postretirement Benefit Plans Recognized In Net Periodic Defined Benefit Cost Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentPensionAndOtherPostretirementBenefitPlansRecognizedInNetPeriodicDefinedBenefitCostNetOfTax	5000000	usd
	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-3000000	usd
	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-5000000	usd
CY2024Q2	us-gaap	Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Net Of Tax AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax	-397000000	usd
CY2023Q2	us-gaap	Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Net Of Tax AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax	-476000000	usd
CY2024Q2	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-3463000000	usd
CY2023Q2	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-3756000000	usd
	us-gaap	Cash Flow Hedge Gain Loss To Be Reclassified Within Twelve Months CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths	-371000000	usd
CY2024Q2	us-gaap	Profit Loss ProfitLoss	206000000	usd
CY2023Q2	us-gaap	Profit Loss ProfitLoss	273000000	usd
	us-gaap	Profit Loss ProfitLoss	344000000	usd
	us-gaap	Profit Loss ProfitLoss	597000000	usd
CY2024Q2	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Diluted UndistributedEarningsLossAllocatedToParticipatingSecuritiesDiluted	1000000	usd
CY2023Q2	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Diluted UndistributedEarningsLossAllocatedToParticipatingSecuritiesDiluted	2000000	usd
	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Diluted UndistributedEarningsLossAllocatedToParticipatingSecuritiesDiluted	2000000	usd
	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Diluted UndistributedEarningsLossAllocatedToParticipatingSecuritiesDiluted	3000000	usd
CY2024Q2	us-gaap	Dividends Preferred Stock DividendsPreferredStock	5000000	usd
CY2023Q2	us-gaap	Dividends Preferred Stock DividendsPreferredStock	5000000	usd
	us-gaap	Dividends Preferred Stock DividendsPreferredStock	11000000	usd
	us-gaap	Dividends Preferred Stock DividendsPreferredStock	11000000	usd
CY2024Q2	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	200000000	usd
CY2023Q2	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	266000000	usd
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	331000000	usd
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	583000000	usd
CY2024Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	133000000	shares
CY2023Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	132000000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	133000000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	132000000	shares
CY2024Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.50
CY2023Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.02
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.49
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	4.43
CY2024Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	133000000	shares
CY2023Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	132000000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	133000000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	132000000	shares
CY2024Q2	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	1000000	shares
CY2023Q2	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	0	shares
	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	1000000	shares
	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	0	shares
CY2024Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	134000000	shares
CY2023Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	132000000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	134000000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	132000000	shares
CY2024Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.49
CY2023Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.01
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.47
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	4.40
CY2024Q2	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	7000000	usd
CY2024Q2	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	1000000	usd
CY2024Q2	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	1100000000	usd
CY2023Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	1000000000.0	usd
CY2024Q2	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	153000000	usd
CY2024Q2	us-gaap	Deferred Tax Assets Operating Loss Carryforwards State And Local DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal	2000000	usd
CY2024Q2	cma	Deferred Tax Assets Federal Valuation Allowance DeferredTaxAssetsFederalValuationAllowance	5000000	usd
CY2024Q2	cma	Deferred Tax Assets Federal Valuation Allowance DeferredTaxAssetsFederalValuationAllowance	5000000	usd
CY2024Q2	cma	Deferred Tax Assets State Valuation Allowance DeferredTaxAssetsStateValuationAllowance	1000000	usd
CY2023Q4	cma	Deferred Tax Assets State Valuation Allowance DeferredTaxAssetsStateValuationAllowance	1000000	usd
	cma	Number Of Major Business Segments NumberOfMajorBusinessSegments	3	segment
	cma	Number Of Major Business Segments NumberOfMajorBusinessSegments	3	segment
CY2024Q2	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	533000000	usd
CY2024Q2	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	0	usd
CY2024Q2	us-gaap	Noninterest Income NoninterestIncome	291000000	usd
CY2024Q2	us-gaap	Noninterest Expense NoninterestExpense	555000000	usd
CY2024Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	63000000	usd
CY2024Q2	us-gaap	Profit Loss ProfitLoss	206000000	usd
CY2024Q2	cma	Net Credit Related Charge Offs NetCreditRelatedChargeOffs	11000000	usd
CY2024Q2	cma	Segment Reporting Average Assets SegmentReportingAverageAssets	79207000000	usd
CY2024Q2	cma	Average Balance During Period Loans And Leases Receivable Net Of Deferred Income AverageBalanceDuringPeriodLoansAndLeasesReceivableNetOfDeferredIncome	51071000000	usd
CY2024Q2	cma	Average Balance During Period Deposits AverageBalanceDuringPeriodDeposits	63055000000	usd
CY2024Q2	cma	Return On Average Assets ReturnOnAverageAssets	0.0105
CY2024Q2	cma	Efficiency Ratio EfficiencyRatio	0.6777
CY2023Q2	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	621000000	usd
CY2023Q2	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	33000000	usd
CY2023Q2	us-gaap	Noninterest Income NoninterestIncome	303000000	usd
CY2023Q2	us-gaap	Noninterest Expense NoninterestExpense	535000000	usd
CY2023Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	83000000	usd
CY2023Q2	us-gaap	Profit Loss ProfitLoss	273000000	usd
CY2023Q2	cma	Net Credit Related Charge Offs NetCreditRelatedChargeOffs	-2000000	usd
CY2023Q2	cma	Segment Reporting Average Assets SegmentReportingAverageAssets	90355000000	usd
CY2023Q2	cma	Average Balance During Period Loans And Leases Receivable Net Of Deferred Income AverageBalanceDuringPeriodLoansAndLeasesReceivableNetOfDeferredIncome	55368000000	usd
CY2023Q2	cma	Average Balance During Period Deposits AverageBalanceDuringPeriodDeposits	64332000000	usd
CY2023Q2	cma	Return On Average Assets ReturnOnAverageAssets	0.0121
CY2023Q2	cma	Efficiency Ratio EfficiencyRatio	0.5770
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	1081000000	usd
	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	14000000	usd
	us-gaap	Noninterest Income NoninterestIncome	527000000	usd
	us-gaap	Noninterest Expense NoninterestExpense	1158000000	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	92000000	usd
	us-gaap	Profit Loss ProfitLoss	344000000	usd
	cma	Net Credit Related Charge Offs NetCreditRelatedChargeOffs	25000000	usd
	cma	Segment Reporting Average Assets SegmentReportingAverageAssets	81412000000	usd
	cma	Average Balance During Period Loans And Leases Receivable Net Of Deferred Income AverageBalanceDuringPeriodLoansAndLeasesReceivableNetOfDeferredIncome	51221000000	usd
	cma	Average Balance During Period Deposits AverageBalanceDuringPeriodDeposits	64183000000	usd
	cma	Return On Average Assets ReturnOnAverageAssets	0.0085
	cma	Efficiency Ratio EfficiencyRatio	0.7224
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	1329000000	usd
	us-gaap	Provision For Loan Lease And Other Losses ProvisionForLoanLeaseAndOtherLosses	63000000	usd
	us-gaap	Noninterest Income NoninterestIncome	585000000	usd
	us-gaap	Noninterest Expense NoninterestExpense	1086000000	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	168000000	usd
	us-gaap	Profit Loss ProfitLoss	597000000	usd
	cma	Net Credit Related Charge Offs NetCreditRelatedChargeOffs	-4000000	usd
	cma	Segment Reporting Average Assets SegmentReportingAverageAssets	87761000000	usd
	cma	Average Balance During Period Loans And Leases Receivable Net Of Deferred Income AverageBalanceDuringPeriodLoansAndLeasesReceivableNetOfDeferredIncome	54423000000	usd
	cma	Average Balance During Period Deposits AverageBalanceDuringPeriodDeposits	66072000000	usd
	cma	Return On Average Assets ReturnOnAverageAssets	0.0137
	cma	Efficiency Ratio EfficiencyRatio	0.5658
CY2024Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	203000000	usd
CY2024Q2	us-gaap	Noninterest Income Other NoninterestIncomeOther	88000000	usd
CY2024Q2	us-gaap	Noninterest Income NoninterestIncome	291000000	usd
CY2023Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	211000000	usd
CY2023Q2	us-gaap	Noninterest Income Other NoninterestIncomeOther	92000000	usd
CY2023Q2	us-gaap	Noninterest Income NoninterestIncome	303000000	usd
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	390000000	usd
	us-gaap	Noninterest Income Other NoninterestIncomeOther	137000000	usd
	us-gaap	Noninterest Income NoninterestIncome	527000000	usd
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	405000000	usd
	us-gaap	Noninterest Income Other NoninterestIncomeOther	180000000	usd
	us-gaap	Noninterest Income NoninterestIncome	585000000	usd

Files In Submission

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$CMA
Comerica Inc Stock $cma

2024 Q3 Form 10-Q Financial Statement

#000002841224000306 Filed on July 26, 2024

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

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$CMA Comerica Inc Stock $cma

2024 Q3 Form 10-Q Financial Statement

#000002841224000306 Filed on July 26, 2024

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$CMA
Comerica Inc Stock $cma