$BK
Bank of New York Mellon Corp Stock $bk

$bk Overview Financials Valuation SEC Filings Company Website

2021 Q4 Form 10-K Financial Statement

#000139077722000043 Filed on February 25, 2022

Income Statement

Concept	2021 Q4	2021	2020 Q4
Revenue	$729.0M	$15.93B	$776.0M
YoY Change	-6.06%	0.78%	-54.91%
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	$461.0M	$1.867B	$455.0M
YoY Change	1.32%	14.54%	32.27%
% of Gross Profit
Operating Expenses
YoY Change
Operating Profit
YoY Change
Interest Expense	$52.00M	$227.0M	$96.00M
YoY Change	-45.83%	-79.95%	-89.4%
% of Operating Profit
Other Income/Expense, Net
YoY Change
Pretax Income	$1.065B	$2.965B	$903.0M
YoY Change	17.94%	9.9%	-50.44%
Income Tax	$196.0M	$877.0M	$148.0M
% Of Pretax Income	18.4%	29.58%	16.39%
Net Earnings	$863.0M	$3.759B	$750.0M
YoY Change	15.07%	3.93%	-47.92%
Net Earnings / Revenue	118.38%	23.6%	96.65%
Basic Earnings Per Share	$1.01	$4.17	$0.79
Diluted Earnings Per Share	$1.01	$4.14	$0.79
COMMON SHARES
Basic Shares Outstanding	811.5M shares	851.9M shares	889.9M shares
Diluted Shares Outstanding	817.3M shares	856.4M shares	891.8M shares

Balance Sheet

Concept	2021 Q4	2021	2020 Q4
SHORT-TERM ASSETS
Cash & Short-Term Investments
YoY Change
Cash & Equivalents	$6.061B		$6.252B
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	$3.431B	$3.431B	$3.602B
YoY Change	-4.75%	-4.75%	-0.63%
Goodwill	$17.51B		$17.50B
YoY Change	0.09%		0.63%
Intangibles	$2.991B		$3.012B
YoY Change	-0.7%		-3.06%
Long-Term Investments	$939.0M	$939.0M	$1.259B
YoY Change	-25.42%	-25.42%	14.25%
Other Assets	$1.946B	$1.946B	$1.556B
YoY Change	25.06%	25.06%	6.28%
Total Long-Term Assets
YoY Change
TOTAL ASSETS
Total Short-Term Assets
Total Long-Term Assets
Total Assets	$444.4B	$444.4B	$469.6B
YoY Change	-5.36%	-5.36%	23.1%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$25.15B	$25.15B	$25.09B
YoY Change	0.26%	0.26%	33.73%
Accrued Expenses		$1.461B	$1.669B
YoY Change		-12.46%	-5.81%
Deferred Revenue
YoY Change
Short-Term Debt	$11.57B	$11.57B	$11.31B
YoY Change	2.31%	2.31%	-26.4%
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$30.92B	$32.38B	$32.45B
YoY Change	-4.72%	-0.22%	23.99%
LONG-TERM LIABILITIES
Long-Term Debt	$26.68B	$26.68B	$26.33B
YoY Change	1.31%	1.31%	-6.28%
Other Long-Term Liabilities	$12.19B	$10.73B	$11.88B
YoY Change	2.62%	-9.68%	11.21%
Total Long-Term Liabilities	$38.87B	$37.41B	$38.21B
YoY Change	1.72%	-2.1%	-1.47%
TOTAL LIABILITIES
Total Short-Term Liabilities	$30.92B	$32.38B	$32.45B
Total Long-Term Liabilities	$38.87B	$37.41B	$38.21B
Total Liabilities	$401.0B	$401.4B	$423.5B
YoY Change	-5.3%	-5.29%	24.64%
SHAREHOLDERS EQUITY
Retained Earnings	$36.67B		$34.24B
YoY Change	7.09%		7.36%
Common Stock	$14.00M		$14.00M
YoY Change	0.0%		0.0%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$24.40B		$19.83B
YoY Change	23.03%		5.25%
Treasury Stock Shares	585.3M shares		495.5M shares
Shareholders Equity	$43.03B	$43.03B	$45.80B
YoY Change
Total Liabilities & Shareholders Equity	$444.4B	$444.4B	$469.6B
YoY Change	-5.36%	-5.36%	23.1%

Cashflow Statement

Concept	2021 Q4	2021	2020 Q4
OPERATING ACTIVITIES
Net Income	$863.0M	$3.759B	$750.0M
YoY Change	15.07%	3.93%	-47.92%
Depreciation, Depletion And Amortization	$461.0M	$1.867B	$455.0M
YoY Change	1.32%	14.54%	32.27%
Cash From Operating Activities	$3.129B	$2.838B	-$865.0M
YoY Change	-461.73%	-43.67%	-64.99%
INVESTING ACTIVITIES
Capital Expenditures	-$374.0M	$1.215B	-$266.0M
YoY Change	40.6%	-0.57%	171.43%
Acquisitions		$170.0M
YoY Change
Other Investing Activities	$20.31B	-$1.070B	-$33.89B
YoY Change	-159.92%	-246.98%	549.21%
Cash From Investing Activities	$19.93B	$19.67B	-$34.16B
YoY Change	-158.35%	-125.07%	542.25%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net		$4.554B
YoY Change		366.12%
Debt Paid & Issued, Net		$4.650B
YoY Change		-10.58%
Cash From Financing Activities	-24.13B	-$21.96B	37.37B
YoY Change	-164.56%	-129.09%	522.36%
NET CHANGE
Cash From Operating Activities	3.129B	$2.838B	-865.0M
Cash From Investing Activities	19.93B	$19.67B	-34.16B
Cash From Financing Activities	-24.13B	-$21.96B	37.37B
Net Change In Cash	-1.067B	$464.0M	2.353B
YoY Change	-145.35%	-78.44%	-231.89%
FREE CASH FLOW
Cash From Operating Activities	$3.129B	$2.838B	-$865.0M
Capital Expenditures	-$374.0M	$1.215B	-$266.0M
Free Cash Flow	$3.503B	$1.623B	-$599.0M
YoY Change	-684.81%	-57.47%	-74.76%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
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CY2021	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2021
CY2021	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2021	dei	Entity Central Index Key EntityCentralIndexKey	0001390777
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CY2021Q4	us-gaap	Finance Lease Liability Statement Of Financial Position Extensible List FinanceLeaseLiabilityStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2021-01-31#OtherBorrowings
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CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-31
CY2021	dei	Document Type DocumentType	10-K
CY2021	dei	Document Annual Report DocumentAnnualReport	true
CY2021	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2021	dei	Document Transition Report DocumentTransitionReport	false
CY2021	dei	Entity File Number EntityFileNumber	001-35651
CY2021	dei	Entity Registrant Name EntityRegistrantName	THE BANK OF NEW YORK MELLON CORPORATION
CY2021	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
CY2021	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	13-2614959
CY2021	dei	Entity Address Address Line1 EntityAddressAddressLine1	240 Greenwich Street
CY2021	dei	Entity Address City Or Town EntityAddressCityOrTown	New York
CY2021	dei	Entity Address State Or Province EntityAddressStateOrProvince	NY
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CY2021	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
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CY2021	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
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CY2021	dei	Auditor Location AuditorLocation	New York, New York
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CY2019	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	512000000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	4000000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	25000000	USD
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CY2020	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	1177000000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	526000000	USD
CY2021	us-gaap	Other Comprehensive Income Defined Benefit Plan Net Prior Service Costs Credit Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostsCreditArisingDuringPeriodNetOfTax	0	USD
CY2020	us-gaap	Other Comprehensive Income Defined Benefit Plan Net Prior Service Costs Credit Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostsCreditArisingDuringPeriodNetOfTax	0	USD
CY2019	us-gaap	Other Comprehensive Income Defined Benefit Plan Net Prior Service Costs Credit Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostsCreditArisingDuringPeriodNetOfTax	1000000	USD
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CY2020	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	-107000000	USD
CY2019	us-gaap	Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax	-87000000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Amortization Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Prior Service Cost Credit Net Of Tax OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax	88000000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Amortization Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Prior Service Cost Credit Net Of Tax OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax	77000000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Amortization Adjustment From Aoci Pension And Other Postretirement Benefit Plans For Net Prior Service Cost Credit Net Of Tax OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax	34000000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-307000000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	30000000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	54000000	USD
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CY2020	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	5000000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	3000000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-1226000000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	1660000000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	626000000	USD
CY2021	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	2545000000	USD
CY2020	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	5286000000	USD
CY2019	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	5093000000	USD
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CY2021	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Noncontrolling Interest OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest	2000000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Noncontrolling Interest OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest	2000000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Noncontrolling Interest OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest	3000000	USD
CY2021	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	2531000000	USD
CY2020	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	5275000000	USD
CY2019	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	5064000000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-1228000000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	1658000000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	623000000	USD
CY2021Q4	bk	Cashand Duefrom Banks Allowancefor Credit Loss CashandDuefromBanksAllowanceforCreditLoss	3000000	USD
CY2020Q4	bk	Cashand Duefrom Banks Allowancefor Credit Loss CashandDuefromBanksAllowanceforCreditLoss	4000000	USD
CY2021Q4	us-gaap	Cash And Due From Banks CashAndDueFromBanks	6061000000	USD
CY2020Q4	us-gaap	Cash And Due From Banks CashAndDueFromBanks	6252000000	USD
CY2021Q4	bk	Interest Bearing Deposits In Federal Reserve And Other Central Banks InterestBearingDepositsInFederalReserveAndOtherCentralBanks	102467000000	USD
CY2020Q4	bk	Interest Bearing Deposits In Federal Reserve And Other Central Banks InterestBearingDepositsInFederalReserveAndOtherCentralBanks	141775000000	USD
CY2021Q4	bk	Interestbearing Depositsin Banksand Other Financial Institutions Allowancefor Credit Loss InterestbearingDepositsinBanksandOtherFinancialInstitutionsAllowanceforCreditLoss	2000000	USD
CY2020Q4	bk	Interestbearing Depositsin Banksand Other Financial Institutions Allowancefor Credit Loss InterestbearingDepositsinBanksandOtherFinancialInstitutionsAllowanceforCreditLoss	3000000	USD
CY2021Q4	us-gaap	Restricted Cash RestrictedCash	3822000000	USD
CY2020Q4	us-gaap	Restricted Cash RestrictedCash	3167000000	USD
CY2021Q4	us-gaap	Interest Bearing Deposits In Banks InterestBearingDepositsInBanks	16630000000	USD
CY2020Q4	us-gaap	Interest Bearing Deposits In Banks InterestBearingDepositsInBanks	17300000000	USD
CY2021Q4	us-gaap	Federal Funds Sold And Securities Purchased Under Agreements To Resell FederalFundsSoldAndSecuritiesPurchasedUnderAgreementsToResell	29607000000	USD
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CY2020Q4	us-gaap	Debt Securities Held To Maturity Allowance For Credit Loss DebtSecuritiesHeldToMaturityAllowanceForCreditLoss	1000000	USD
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CY2021Q4	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	56866000000	USD
CY2020Q4	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	47946000000	USD
CY2021Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	100774000000	USD
CY2020Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	105141000000	USD
CY2021Q4	us-gaap	Debt Securities Available For Sale Allowance For Credit Loss DebtSecuritiesAvailableForSaleAllowanceForCreditLoss	10000000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Allowance For Credit Loss DebtSecuritiesAvailableForSaleAllowanceForCreditLoss	11000000	USD
CY2021Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	101839000000	USD
CY2020Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	108495000000	USD
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CY2020Q4	bk	Total Securities TotalSecurities	156441000000	USD
CY2021Q4	us-gaap	Trading Securities TradingSecurities	16577000000	USD
CY2020Q4	us-gaap	Trading Securities TradingSecurities	15272000000	USD
CY2021Q4	us-gaap	Notes Receivable Gross NotesReceivableGross	67787000000	USD
CY2020Q4	us-gaap	Notes Receivable Gross NotesReceivableGross	56469000000	USD
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CY2020Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	358000000	USD
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CY2021Q4	us-gaap	Commercial Paper CommercialPaper	0	USD
CY2020Q4	us-gaap	Commercial Paper CommercialPaper	0	USD
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CY2020Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	3500000000	shares
CY2021Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	3500000000	shares
CY2021Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	1389397912	shares
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CY2021	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	54239000000	USD
CY2020	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	68430000000	USD
CY2019	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	46435000000	USD
CY2021	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	13545000000	USD
CY2020	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	13316000000	USD
CY2019	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	11444000000	USD
CY2021	bk	Proceedsfrom Prepaymentsand Callsof Debt Securities Availableforsale ProceedsfromPrepaymentsandCallsofDebtSecuritiesAvailableforsale	12775000000	USD
CY2020	bk	Proceedsfrom Prepaymentsand Callsof Debt Securities Availableforsale ProceedsfromPrepaymentsandCallsofDebtSecuritiesAvailableforsale	10476000000	USD
CY2019	bk	Proceedsfrom Prepaymentsand Callsof Debt Securities Availableforsale ProceedsfromPrepaymentsandCallsofDebtSecuritiesAvailableforsale	7516000000	USD
CY2021	bk	Proceedsfrom Maturitiesof Debt Securities Availableforsale ProceedsfromMaturitiesofDebtSecuritiesAvailableforsale	17221000000	USD
CY2020	bk	Proceedsfrom Maturitiesof Debt Securities Availableforsale ProceedsfromMaturitiesofDebtSecuritiesAvailableforsale	27592000000	USD
CY2019	bk	Proceedsfrom Maturitiesof Debt Securities Availableforsale ProceedsfromMaturitiesofDebtSecuritiesAvailableforsale	26504000000	USD
CY2021	us-gaap	Payments For Proceeds From Other Loans And Leases PaymentsForProceedsFromOtherLoansAndLeases	11350000000	USD
CY2020	us-gaap	Payments For Proceeds From Other Loans And Leases PaymentsForProceedsFromOtherLoansAndLeases	1271000000	USD
CY2019	us-gaap	Payments For Proceeds From Other Loans And Leases PaymentsForProceedsFromOtherLoansAndLeases	-1486000000	USD
CY2021	us-gaap	Proceeds From Sale Of Loans And Leases Held For Investment ProceedsFromSaleOfLoansAndLeasesHeldForInvestment	1000000	USD
CY2020	us-gaap	Proceeds From Sale Of Loans And Leases Held For Investment ProceedsFromSaleOfLoansAndLeasesHeldForInvestment	15000000	USD
CY2019	us-gaap	Proceeds From Sale Of Loans And Leases Held For Investment ProceedsFromSaleOfLoansAndLeasesHeldForInvestment	147000000	USD
CY2021	us-gaap	Proceeds From Payments For Federal Funds Sold And Securities Purchased Under Agreements To Resell Net ProceedsFromPaymentsForFederalFundsSoldAndSecuritiesPurchasedUnderAgreementsToResellNet	1233000000	USD
CY2020	us-gaap	Proceeds From Payments For Federal Funds Sold And Securities Purchased Under Agreements To Resell Net ProceedsFromPaymentsForFederalFundsSoldAndSecuritiesPurchasedUnderAgreementsToResellNet	-708000000	USD
CY2019	us-gaap	Proceeds From Payments For Federal Funds Sold And Securities Purchased Under Agreements To Resell Net ProceedsFromPaymentsForFederalFundsSoldAndSecuritiesPurchasedUnderAgreementsToResellNet	16615000000	USD
CY2021	bk	Payments For Proceeds From Other Investments PaymentsForProceedsFromOtherInvestments	-171000000	USD
CY2020	bk	Payments For Proceeds From Other Investments PaymentsForProceedsFromOtherInvestments	-18000000	USD
CY2019	bk	Payments For Proceeds From Other Investments PaymentsForProceedsFromOtherInvestments	-74000000	USD
CY2021	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	1215000000	USD
CY2020	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	1222000000	USD
CY2019	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	1210000000	USD
CY2021	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	34000000	USD
CY2020	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	0	USD
CY2019	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	0	USD
CY2021	us-gaap	Proceeds From Sale Of Equity Method Investments ProceedsFromSaleOfEquityMethodInvestments	0	USD
CY2020	us-gaap	Proceeds From Sale Of Equity Method Investments ProceedsFromSaleOfEquityMethodInvestments	0	USD
CY2019	us-gaap	Proceeds From Sale Of Equity Method Investments ProceedsFromSaleOfEquityMethodInvestments	849000000	USD
CY2021	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	170000000	USD
CY2020	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	0	USD
CY2019	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	0	USD
CY2021	us-gaap	Proceeds From Divestiture Of Businesses Net Of Cash Divested ProceedsFromDivestitureOfBusinessesNetOfCashDivested	8000000	USD
CY2020	us-gaap	Proceeds From Divestiture Of Businesses Net Of Cash Divested ProceedsFromDivestitureOfBusinessesNetOfCashDivested	0	USD
CY2019	us-gaap	Proceeds From Divestiture Of Businesses Net Of Cash Divested ProceedsFromDivestitureOfBusinessesNetOfCashDivested	0	USD
CY2021	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-1070000000	USD
CY2020	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	728000000	USD
CY2019	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-676000000	USD
CY2021	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	19672000000	USD
CY2020	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-78455000000	USD
CY2019	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-10548000000	USD
CY2021	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	-17896000000	USD
CY2020	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	77523000000	USD
CY2019	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	20663000000	USD
CY2021	us-gaap	Increase Decrease In Federal Funds Purchased And Securities Sold Under Agreements To Repurchase Net IncreaseDecreaseInFederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchaseNet	418000000	USD
CY2020	us-gaap	Increase Decrease In Federal Funds Purchased And Securities Sold Under Agreements To Repurchase Net IncreaseDecreaseInFederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchaseNet	-361000000	USD
CY2019	us-gaap	Increase Decrease In Federal Funds Purchased And Securities Sold Under Agreements To Repurchase Net IncreaseDecreaseInFederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchaseNet	-2822000000	USD
CY2021	us-gaap	Increase Decrease In Payables To Broker Dealers IncreaseDecreaseInPayablesToBrokerDealers	128000000	USD
CY2020	us-gaap	Increase Decrease In Payables To Broker Dealers IncreaseDecreaseInPayablesToBrokerDealers	5977000000	USD
CY2019	us-gaap	Increase Decrease In Payables To Broker Dealers IncreaseDecreaseInPayablesToBrokerDealers	-981000000	USD
CY2021	us-gaap	Proceeds From Repayments Of Other Debt ProceedsFromRepaymentsOfOtherDebt	397000000	USD
CY2020	us-gaap	Proceeds From Repayments Of Other Debt ProceedsFromRepaymentsOfOtherDebt	-270000000	USD
CY2019	us-gaap	Proceeds From Repayments Of Other Debt ProceedsFromRepaymentsOfOtherDebt	-2651000000	USD
CY2021	us-gaap	Proceeds From Repayments Of Commercial Paper ProceedsFromRepaymentsOfCommercialPaper	0	USD
CY2020	us-gaap	Proceeds From Repayments Of Commercial Paper ProceedsFromRepaymentsOfCommercialPaper	-3959000000	USD
CY2019	us-gaap	Proceeds From Repayments Of Commercial Paper ProceedsFromRepaymentsOfCommercialPaper	2020000000	USD
CY2021	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	5186000000	USD
CY2020	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	2993000000	USD
CY2019	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	2993000000	USD
CY2021	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	4650000000	USD
CY2020	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	5200000000	USD
CY2019	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	5250000000	USD
CY2021	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	50000000	USD
CY2020	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	46000000	USD
CY2019	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	65000000	USD
CY2021	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	13000000	USD
CY2020	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	12000000	USD
CY2019	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	21000000	USD
CY2021	us-gaap	Proceeds From Issuance Of Preferred Stock And Preference Stock ProceedsFromIssuanceOfPreferredStockAndPreferenceStock	1287000000	USD
CY2020	us-gaap	Proceeds From Issuance Of Preferred Stock And Preference Stock ProceedsFromIssuanceOfPreferredStockAndPreferenceStock	1567000000	USD
CY2019	us-gaap	Proceeds From Issuance Of Preferred Stock And Preference Stock ProceedsFromIssuanceOfPreferredStockAndPreferenceStock	0	USD
CY2021	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	4567000000	USD
CY2020	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	989000000	USD
CY2019	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	3327000000	USD
CY2021	us-gaap	Payments For Repurchase Of Preferred Stock And Preference Stock PaymentsForRepurchaseOfPreferredStockAndPreferenceStock	1000000000	USD
CY2020	us-gaap	Payments For Repurchase Of Preferred Stock And Preference Stock PaymentsForRepurchaseOfPreferredStockAndPreferenceStock	583000000	USD
CY2019	us-gaap	Payments For Repurchase Of Preferred Stock And Preference Stock PaymentsForRepurchaseOfPreferredStockAndPreferenceStock	0	USD
CY2021	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	1126000000	USD
CY2020	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	1117000000	USD
CY2019	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	1120000000	USD
CY2021	us-gaap	Payments Of Dividends Preferred Stock And Preference Stock PaymentsOfDividendsPreferredStockAndPreferenceStock	197000000	USD
CY2020	us-gaap	Payments Of Dividends Preferred Stock And Preference Stock PaymentsOfDividendsPreferredStockAndPreferenceStock	179000000	USD
CY2019	us-gaap	Payments Of Dividends Preferred Stock And Preference Stock PaymentsOfDividendsPreferredStockAndPreferenceStock	169000000	USD
CY2021	bk	Proceeds From Amortization Of Preferred Stock Discount ProceedsFromAmortizationOfPreferredStockDiscount	10000000	USD
CY2020	bk	Proceeds From Amortization Of Preferred Stock Discount ProceedsFromAmortizationOfPreferredStockDiscount	15000000	USD
CY2019	bk	Proceeds From Amortization Of Preferred Stock Discount ProceedsFromAmortizationOfPreferredStockDiscount	0	USD
CY2021	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-15000000	USD
CY2020	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	33000000	USD
CY2019	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	17000000	USD
CY2021	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-21962000000	USD
CY2020	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	75508000000	USD
CY2019	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	9459000000	USD
CY2021	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-84000000	USD
CY2020	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	61000000	USD
CY2019	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	2000000	USD
CY2021	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	464000000	USD
CY2020	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	2152000000	USD
CY2019	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-991000000	USD
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	9419000000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	7267000000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	8258000000	USD
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	9883000000	USD
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	9419000000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	7267000000	USD
CY2021Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	6061000000	USD
CY2020Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	6252000000	USD
CY2019Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	4830000000	USD
CY2021Q4	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	3822000000	USD
CY2020Q4	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	3167000000	USD
CY2019Q4	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	2437000000	USD
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	9883000000	USD
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	9419000000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	7267000000	USD
CY2021	us-gaap	Interest Paid Net InterestPaidNet	233000000	USD
CY2020	us-gaap	Interest Paid Net InterestPaidNet	1236000000	USD
CY2019	us-gaap	Interest Paid Net InterestPaidNet	4400000000	USD
CY2021	us-gaap	Income Taxes Paid IncomeTaxesPaid	473000000	USD
CY2020	us-gaap	Income Taxes Paid IncomeTaxesPaid	1341000000	USD
CY2019	us-gaap	Income Taxes Paid IncomeTaxesPaid	989000000	USD
CY2021	us-gaap	Proceeds From Income Tax Refunds ProceedsFromIncomeTaxRefunds	42000000	USD
CY2020	us-gaap	Proceeds From Income Tax Refunds ProceedsFromIncomeTaxRefunds	60000000	USD
CY2019	us-gaap	Proceeds From Income Tax Refunds ProceedsFromIncomeTaxRefunds	669000000	USD
CY2020Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	45944000000	USD
CY2021	us-gaap	Minority Interest Period Increase Decrease MinorityInterestPeriodIncreaseDecrease	5000000	USD
CY2021	us-gaap	Profit Loss ProfitLoss	3771000000	USD
CY2021	bk	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent Excluding Other OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParentExcludingOther	-1228000000	USD
CY2021	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	1.30
CY2021	us-gaap	Dividends Common Stock DividendsCommonStock	1126000000	USD
CY2021	bk	Dividends Preferred Stock Excluding Fees DividendsPreferredStockExcludingFees	197000000	USD
CY2021	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	4567000000	USD
CY2021	us-gaap	Stock Issued During Period Value Employee Benefit Plan StockIssuedDuringPeriodValueEmployeeBenefitPlan	18000000	USD
CY2021	us-gaap	Stock Redeemed Or Called During Period Value StockRedeemedOrCalledDuringPeriodValue	1000000000	USD
CY2021	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	1287000000	USD
CY2021	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	323000000	USD
CY2021Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	43230000000	USD
CY2019Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	41585000000	USD
CY2020	us-gaap	Minority Interest Period Increase Decrease MinorityInterestPeriodIncreaseDecrease	44000000	USD
CY2020	us-gaap	Profit Loss ProfitLoss	3626000000	USD
CY2020	bk	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent Excluding Other OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParentExcludingOther	1654000000	USD
CY2020	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	1.24
CY2020	us-gaap	Dividends Common Stock DividendsCommonStock	1117000000	USD
CY2020	bk	Dividends Preferred Stock Excluding Fees DividendsPreferredStockExcludingFees	179000000	USD
CY2020	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	989000000	USD
CY2020	us-gaap	Stock Issued During Period Value Employee Benefit Plan StockIssuedDuringPeriodValueEmployeeBenefitPlan	26000000	USD
CY2020	us-gaap	Stock Redeemed Or Called During Period Value StockRedeemedOrCalledDuringPeriodValue	583000000	USD
CY2020	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	1567000000	USD
CY2020	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	270000000	USD
CY2020	us-gaap	Stockholders Equity Other StockholdersEquityOther	0	USD
CY2020Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	45944000000	USD
CY2018Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	40739000000	USD
CY2019	us-gaap	Minority Interest Period Increase Decrease MinorityInterestPeriodIncreaseDecrease	-19000000	USD
CY2019	us-gaap	Profit Loss ProfitLoss	4467000000	USD
CY2019	bk	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent Excluding Other OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParentExcludingOther	623000000	USD
CY2019	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	1.18
CY2019	us-gaap	Dividends Common Stock DividendsCommonStock	1120000000	USD
CY2019	us-gaap	Dividends Preferred Stock DividendsPreferredStock	169000000	USD
CY2019	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	3327000000	USD
CY2019	us-gaap	Stock Issued During Period Value Employee Benefit Plan StockIssuedDuringPeriodValueEmployeeBenefitPlan	28000000	USD
CY2019	bk	Stock Issued During Period Value Dividend Reinvestment And Employee Stock Purchase Plan StockIssuedDuringPeriodValueDividendReinvestmentAndEmployeeStockPurchasePlan	11000000	USD
CY2019	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	352000000	USD
CY2019Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	41585000000	USD
CY2021	bk	Number Of Principal Businesses NumberOfPrincipalBusinesses	3	business
CY2021	us-gaap	Prior Period Reclassification Adjustment Description PriorPeriodReclassificationAdjustmentDescription	Certain immaterial reclassifications have been made to prior periods to place them on a basis comparable with current period presentation.<div style="margin-bottom:6pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:120%">In order to combine items of a similar nature within total revenue and to simplify our income statement presentation, in 2021, we made the following reporting changes.</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:120%"> </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:120%">The reclassifications had no impact on consolidated total revenue or total revenue for the business segments.</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:120%"> </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:120%">Prior periods were reclassified to be comparable with the current period presentation. </span></div><div style="margin-bottom:6pt;padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:120%">•</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:120%;padding-left:14.15pt">Other trading revenue was reclassified from foreign exchange and other trading revenue to investment and other revenue. </span></div><div style="margin-bottom:6pt;padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:120%">•</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:120%;padding-left:14.15pt">Foreign exchange and other trading revenue was renamed foreign exchange revenue. </span></div><div style="margin-bottom:6pt;padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:120%">•</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:120%;padding-left:14.15pt">The impact of foreign currency remeasurement was reclassified from investment and other revenue to foreign exchange revenue. </span></div><div style="margin-bottom:6pt;padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:120%">•</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:120%;padding-left:14.15pt">Income (loss) from consolidated investment management funds was reclassified to investment and other revenue. </span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">•</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:120%;padding-left:14.5pt">Investment and other revenue was reclassified from fee revenue and is reported separately and net securities gains (losses) was combined with investment and other revenue.</span></div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:120%">In addition, the assets and liabilities of consolidated investment management funds were reclassified to other assets and other liabilities, respectively, on the consolidated balance sheet.</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:400;line-height:120%"> </span>The reclassifications had no impact on total assets or total liabilities. Prior periods were reclassified to be comparable with the current period presentation.
CY2021	us-gaap	Use Of Estimates UseOfEstimates	<div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-style:italic;font-weight:400;line-height:120%">Use of estimates</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:11pt;font-weight:400;line-height:120%">The preparation of financial statements in conformity with U.S. GAAP requires management to make estimates based upon assumptions about future economic and market conditions which affect reported amounts and related disclosures in our financial statements. Our most significant estimates pertain to our allowance for credit losses, goodwill and other intangibles and litigation and regulatory contingencies. Although our current estimates contemplate current conditions and how we expect them to change in the future, it is reasonably possible that actual conditions could be worse than anticipated </span></div>in those estimates, which could materially affect our results of operations and financial condition.
CY2021Q4	bk	Minimum Amount Of Majority Of Loans MinimumAmountOfMajorityOfLoans	1000000	USD
CY2021Q4	bk	Minimum Amount Of Majority Of Loans MinimumAmountOfMajorityOfLoans	1000000	USD
CY2021	bk	Maximum Percentage Of Actuarial Gain Or Loss In Excess Of Greater Of Projected Benefit Obligation Or Market Related Value Of Plan Assets MaximumPercentageOfActuarialGainOrLossInExcessOfGreaterOfProjectedBenefitObligationOrMarketRelatedValueOfPlanAssets	0.10
CY2021	bk	Period Of Time To Amortize Unrecognized Gains Or Losses For Pension Plans With Inactive Participants PeriodOfTimeToAmortizeUnrecognizedGainsOrLossesForPensionPlansWithInactiveParticipants	P15Y
CY2020	bk	Foreign Exchange Revenue ForeignExchangeRevenue	774000000	USD
CY2019	bk	Foreign Exchange Revenue ForeignExchangeRevenue	564000000	USD
CY2020	bk	Total Fee Revenue TotalFeeRevenue	12515000000	USD
CY2019	bk	Total Fee Revenue TotalFeeRevenue	12178000000	USD
CY2020	bk	Investment And Other Income InvestmentAndOtherIncome	316000000	USD
CY2019	bk	Investment And Other Income InvestmentAndOtherIncome	1096000000	USD
CY2020Q4	us-gaap	Other Assets OtherAssets	20955000000	USD
CY2020Q4	us-gaap	Other Liabilities OtherLiabilities	7517000000	USD
CY2021	us-gaap	Payments For Previous Acquisition PaymentsForPreviousAcquisition	5000000	USD
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CY2020Q4	us-gaap	Disposal Group Not Discontinued Operation Gain Loss On Disposal DisposalGroupNotDiscontinuedOperationGainLossOnDisposal	-34000000	USD
CY2021Q4	us-gaap	Disposal Group Not Discontinued Operation Gain Loss On Disposal DisposalGroupNotDiscontinuedOperationGainLossOnDisposal	4000000	USD
CY2021Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	100774000000	USD
CY2021Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	1859000000	USD
CY2021Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	794000000	USD
CY2021Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	101839000000	USD
CY2021Q4	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	56866000000	USD
CY2021Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Gain HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	526000000	USD
CY2021Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	617000000	USD
CY2021Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	56775000000	USD
CY2021Q4	us-gaap	Debt Securities Available For Sale And Held To Maturity DebtSecuritiesAvailableForSaleAndHeldToMaturity	157640000000	USD
CY2021Q4	bk	Debt Securities Availableforsaleand Heldtomaturity Unrealized Gain DebtSecuritiesAvailableforsaleandHeldtomaturityUnrealizedGain	2385000000	USD
CY2021Q4	bk	Debt Securities Availableforsaleand Heldtomaturity Unrealized Loss DebtSecuritiesAvailableforsaleandHeldtomaturityUnrealizedLoss	1411000000	USD
CY2021Q4	us-gaap	Debt Securities Available For Sale And Held To Maturity Fair Value DebtSecuritiesAvailableForSaleAndHeldToMaturityFairValue	158614000000	USD
CY2021Q4	us-gaap	Debt Securities Available For Sale Allowance For Credit Loss DebtSecuritiesAvailableForSaleAllowanceForCreditLoss	10000000	USD
CY2021Q4	bk	Accumulated Other Comprehensive Income Transfers From Available For Saleto Held To Maturity Securities Gross Unrealized Gains AccumulatedOtherComprehensiveIncomeTransfersFromAvailableForSaletoHeldToMaturitySecuritiesGrossUnrealizedGains	455000000	USD
CY2021Q4	bk	Accumulated Other Comprehensive Income Transfers From Available For Saleto Held To Maturity Securities Gross Unrealized Loss AccumulatedOtherComprehensiveIncomeTransfersFromAvailableForSaletoHeldToMaturitySecuritiesGrossUnrealizedLoss	75000000	USD
CY2020Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	105141000000	USD
CY2020Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	3462000000	USD
CY2020Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	108000000	USD
CY2020Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	108495000000	USD
CY2020Q4	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	47946000000	USD
CY2020Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Gain HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	1300000000	USD
CY2020Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	22000000	USD
CY2020Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	49224000000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale And Held To Maturity DebtSecuritiesAvailableForSaleAndHeldToMaturity	153087000000	USD
CY2020Q4	bk	Debt Securities Availableforsaleand Heldtomaturity Unrealized Gain DebtSecuritiesAvailableforsaleandHeldtomaturityUnrealizedGain	4762000000	USD
CY2020Q4	bk	Debt Securities Availableforsaleand Heldtomaturity Unrealized Loss DebtSecuritiesAvailableforsaleandHeldtomaturityUnrealizedLoss	130000000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale And Held To Maturity Fair Value DebtSecuritiesAvailableForSaleAndHeldToMaturityFairValue	157719000000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Allowance For Credit Loss DebtSecuritiesAvailableForSaleAllowanceForCreditLoss	11000000	USD
CY2020Q4	bk	Accumulated Other Comprehensive Income Transfers From Available For Saleto Held To Maturity Securities Gross Unrealized Gains AccumulatedOtherComprehensiveIncomeTransfersFromAvailableForSaletoHeldToMaturitySecuritiesGrossUnrealizedGains	75000000	USD
CY2020Q4	bk	Accumulated Other Comprehensive Income Transfers From Available For Saleto Held To Maturity Securities Gross Unrealized Loss AccumulatedOtherComprehensiveIncomeTransfersFromAvailableForSaletoHeldToMaturitySecuritiesGrossUnrealizedLoss	44000000	USD
CY2021	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	28000000	USD
CY2020	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	46000000	USD
CY2019	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	23000000	USD
CY2021	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	23000000	USD
CY2020	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	13000000	USD
CY2019	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	39000000	USD
CY2021	us-gaap	Other Than Temporary Impairment Loss Debt Securities Portion Recognized In Earnings OtherThanTemporaryImpairmentLossDebtSecuritiesPortionRecognizedInEarnings	0	USD
CY2020	us-gaap	Other Than Temporary Impairment Loss Debt Securities Portion Recognized In Earnings OtherThanTemporaryImpairmentLossDebtSecuritiesPortionRecognizedInEarnings	0	USD
CY2019	us-gaap	Other Than Temporary Impairment Loss Debt Securities Portion Recognized In Earnings OtherThanTemporaryImpairmentLossDebtSecuritiesPortionRecognizedInEarnings	2000000	USD
CY2021	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	5000000	USD
CY2020	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	33000000	USD
CY2019	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	-18000000	USD
CY2021	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	5000000	USD
CY2020	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	33000000	USD
CY2019	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	-18000000	USD
CY2021Q4	us-gaap	Debt Securities Available For Sale Allowance For Credit Loss DebtSecuritiesAvailableForSaleAllowanceForCreditLoss	10000000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Allowance For Credit Loss DebtSecuritiesAvailableForSaleAllowanceForCreditLoss	11000000	USD
CY2021Q4	bk	Accumulated Other Comprehensive Income Transfers From Available For Saleto Held To Maturity Securities Gross Unrealized Loss AccumulatedOtherComprehensiveIncomeTransfersFromAvailableForSaletoHeldToMaturitySecuritiesGrossUnrealizedLoss	75000000	USD
CY2020Q4	bk	Accumulated Other Comprehensive Income Transfers From Available For Saleto Held To Maturity Securities Gross Unrealized Loss AccumulatedOtherComprehensiveIncomeTransfersFromAvailableForSaletoHeldToMaturitySecuritiesGrossUnrealizedLoss	44000000	USD
CY2021Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	47036000000	USD
CY2021Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	636000000	USD
CY2021Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	4661000000	USD
CY2021Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	158000000	USD
CY2021Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	51697000000	USD
CY2021Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	794000000	USD
CY2021Q4	bk	Accumulated Other Comprehensive Income Transfers From Available For Sale To Held To Maturity Securities Gross Unrealized Losses Lessthan Twelve Months AccumulatedOtherComprehensiveIncomeTransfersFromAvailableForSaleToHeldToMaturitySecuritiesGrossUnrealizedLossesLessthanTwelveMonths	47000000	USD
CY2021Q4	bk	Accumulated Other Comprehensive Income Transfers From Available For Sale To Held To Maturity Securities Gross Unrealized Losses Greater Than Twelve Months AccumulatedOtherComprehensiveIncomeTransfersFromAvailableForSaleToHeldToMaturitySecuritiesGrossUnrealizedLossesGreaterThanTwelveMonths	28000000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	12855000000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	47000000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	3668000000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	61000000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	16523000000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	108000000	USD
CY2020Q4	bk	Accumulated Other Comprehensive Income Transfers From Available For Sale To Held To Maturity Securities Gross Unrealized Losses Greater Than Twelve Months AccumulatedOtherComprehensiveIncomeTransfersFromAvailableForSaleToHeldToMaturitySecuritiesGrossUnrealizedLossesGreaterThanTwelveMonths	44000000	USD
CY2020Q4	bk	Accumulated Other Comprehensive Income Transfers From Available For Sale To Held To Maturity Securities Gross Unrealized Losses Lessthan Twelve Months AccumulatedOtherComprehensiveIncomeTransfersFromAvailableForSaleToHeldToMaturitySecuritiesGrossUnrealizedLossesLessthanTwelveMonths	0	USD
CY2021Q4	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	56866000000	USD
CY2021Q4	bk	Debt Securities Heldtomaturity Accumulated Unrecognized Gain Loss DebtSecuritiesHeldtomaturityAccumulatedUnrecognizedGainLoss	-91000000	USD
CY2021Q4	bk	Debt Securities Heldtomaturity Credit Quality Indicator Percent DebtSecuritiesHeldtomaturityCreditQualityIndicatorPercent	0
CY2020Q4	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	47946000000	USD
CY2020Q4	bk	Debt Securities Heldtomaturity Accumulated Unrecognized Gain Loss DebtSecuritiesHeldtomaturityAccumulatedUnrecognizedGainLoss	1278000000	USD
CY2020Q4	bk	Debt Securities Heldtomaturity Credit Quality Indicator Percent DebtSecuritiesHeldtomaturityCreditQualityIndicatorPercent	0
CY2021Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	8391000000	USD
CY2021Q4	us-gaap	Debt Securities Available For Sale Maturity Within One Year Weighted Average Yield DebtSecuritiesAvailableForSaleMaturityWithinOneYearWeightedAverageYield	0.0094
CY2021Q4	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	35524000000	USD
CY2021Q4	us-gaap	Debt Securities Available For Sale Maturity After One Through Five Years Weighted Average Yield DebtSecuritiesAvailableForSaleMaturityAfterOneThroughFiveYearsWeightedAverageYield	0.0076
CY2021Q4	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	19033000000	USD
CY2021Q4	us-gaap	Debt Securities Available For Sale Maturity After Five Through Ten Years Weighted Average Yield DebtSecuritiesAvailableForSaleMaturityAfterFiveThroughTenYearsWeightedAverageYield	0.0106
CY2021Q4	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue	3454000000	USD
CY2021Q4	us-gaap	Debt Securities Available For Sale Maturity After10 Years Weighted Average Yield DebtSecuritiesAvailableForSaleMaturityAfter10YearsWeightedAverageYield	0.0290
CY2021Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	101839000000	USD
CY2021Q4	bk	Available For Sale Securities Weighted Average Yield AvailableForSaleSecuritiesWeightedAverageYield	0.0127
CY2021Q4	us-gaap	Held To Maturity Securities Debt Maturities Within One Year Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearNetCarryingAmount	1643000000	USD
CY2021Q4	us-gaap	Debt Securities Held To Maturity Maturity Within One Year Weighted Average Yield DebtSecuritiesHeldToMaturityMaturityWithinOneYearWeightedAverageYield	0.0168
CY2021Q4	us-gaap	Held To Maturity Securities Debt Maturities After One Through Five Years Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsNetCarryingAmount	9441000000	USD
CY2021Q4	us-gaap	Debt Securities Held To Maturity Maturity After One Through Five Years Weighted Average Yield DebtSecuritiesHeldToMaturityMaturityAfterOneThroughFiveYearsWeightedAverageYield	0.0133
CY2021Q4	us-gaap	Held To Maturity Securities Debt Maturities After Five Through Ten Years Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsNetCarryingAmount	4365000000	USD
CY2021Q4	us-gaap	Debt Securities Held To Maturity Maturity After Five Through Ten Years Weighted Average Yield DebtSecuritiesHeldToMaturityMaturityAfterFiveThroughTenYearsWeightedAverageYield	0.0132
CY2021Q4	us-gaap	Held To Maturity Securities Debt Maturities After Ten Years Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsNetCarryingAmount	156000000	USD
CY2021Q4	us-gaap	Debt Securities Held To Maturity Maturity After10 Years Weighted Average Yield DebtSecuritiesHeldToMaturityMaturityAfter10YearsWeightedAverageYield	0.0204
CY2021Q4	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	56866000000	USD
CY2021Q4	bk	Held To Maturity Securities Debt Maturities Average Yield HeldToMaturitySecuritiesDebtMaturitiesAverageYield	0.0206
CY2021Q4	bk	Debt Securities Amortized Cost Maturity Allocated And Single Maturity Date Year One DebtSecuritiesAmortizedCostMaturityAllocatedAndSingleMaturityDateYearOne	10034000000	USD
CY2021Q4	bk	Debt Securities Weighted Average Yield Maturity Year One DebtSecuritiesWeightedAverageYieldMaturityYearOne	0.0106
CY2021Q4	bk	Debt Securities Amortized Cost Maturity Allocated And Single Maturity Date After Year One DebtSecuritiesAmortizedCostMaturityAllocatedAndSingleMaturityDateAfterYearOne	44965000000	USD
CY2021Q4	bk	Debt Securities Weighted Average Yield Maturity After Year One Through Five DebtSecuritiesWeightedAverageYieldMaturityAfterYearOneThroughFive	0.0088
CY2021Q4	bk	Debt Securities Amortized Cost Maturity Allocated And Single Maturity Date After Year Five Through Ten DebtSecuritiesAmortizedCostMaturityAllocatedAndSingleMaturityDateAfterYearFiveThroughTen	23398000000	USD
CY2021Q4	bk	Debt Securities Weighted Average Yield Maturity After Year5 Through10 DebtSecuritiesWeightedAverageYieldMaturityAfterYear5Through10	0.0111
CY2021Q4	bk	Debt Securities Amortized Cost Maturity Allocated And Single Maturity Date After Year10 DebtSecuritiesAmortizedCostMaturityAllocatedAndSingleMaturityDateAfterYear10	3610000000	USD
CY2021Q4	bk	Debt Securities Weighted Average Yield Maturity After Year10 DebtSecuritiesWeightedAverageYieldMaturityAfterYear10	0.0286
CY2021Q4	bk	Debt Securities Amortized Cost Maturity Before Allowance For Credit Loss DebtSecuritiesAmortizedCostMaturityBeforeAllowanceForCreditLoss	158705000000	USD
CY2021Q4	bk	Securities Debt Maturities Average Yield SecuritiesDebtMaturitiesAverageYield	0.0155
CY2021Q4	us-gaap	Pledged Assets Not Separately Reported On Statement Of Financial Position PledgedAssetsNotSeparatelyReportedOnStatementOfFinancialPosition	144000000000	USD
CY2021Q4	bk	Pledged Assets Other Not Separately Reportedon Statementof Financial Position Potential Borrowingsatthe Federal Reserve Discount Window PledgedAssetsOtherNotSeparatelyReportedonStatementofFinancialPositionPotentialBorrowingsattheFederalReserveDiscountWindow	112000000000	USD
CY2021Q4	bk	Pledged Asset Other Not Separately Reportedon Statementof Financial Position Potential Borrowingsatthe Federal Home Loan Bank PledgedAssetOtherNotSeparatelyReportedonStatementofFinancialPositionPotentialBorrowingsattheFederalHomeLoanBank	7000000000	USD
CY2021Q4	us-gaap	Pledged Financial Instruments Not Separately Reported Securities Pledged PledgedFinancialInstrumentsNotSeparatelyReportedSecuritiesPledged	126000000000	USD
CY2021Q4	us-gaap	Pledged Financial Instruments Not Separately Reported Loans Receivable Pledged As Collateral PledgedFinancialInstrumentsNotSeparatelyReportedLoansReceivablePledgedAsCollateral	12000000000	USD
CY2021Q4	bk	Pledged Financial Instruments Not Separately Reported Trade Assets Pledgedas Collateral PledgedFinancialInstrumentsNotSeparatelyReportedTradeAssetsPledgedasCollateral	5000000000	USD
CY2021Q4	bk	Pledged Assets Not Separately Reported Other Assets Pledged As Collateral PledgedAssetsNotSeparatelyReportedOtherAssetsPledgedAsCollateral	1000000000	USD
CY2020Q4	us-gaap	Pledged Assets Not Separately Reported On Statement Of Financial Position PledgedAssetsNotSeparatelyReportedOnStatementOfFinancialPosition	141000000000	USD
CY2020Q4	bk	Pledged Assets Other Not Separately Reportedon Statementof Financial Position Potential Borrowingsatthe Federal Reserve Discount Window PledgedAssetsOtherNotSeparatelyReportedonStatementofFinancialPositionPotentialBorrowingsattheFederalReserveDiscountWindow	113000000000	USD
CY2020Q4	bk	Pledged Asset Other Not Separately Reportedon Statementof Financial Position Potential Borrowingsatthe Federal Home Loan Bank PledgedAssetOtherNotSeparatelyReportedonStatementofFinancialPositionPotentialBorrowingsattheFederalHomeLoanBank	5000000000	USD
CY2020Q4	us-gaap	Pledged Financial Instruments Not Separately Reported Securities Pledged PledgedFinancialInstrumentsNotSeparatelyReportedSecuritiesPledged	124000000000	USD
CY2020Q4	us-gaap	Pledged Financial Instruments Not Separately Reported Loans Receivable Pledged As Collateral PledgedFinancialInstrumentsNotSeparatelyReportedLoansReceivablePledgedAsCollateral	11000000000	USD
CY2020Q4	bk	Pledged Financial Instruments Not Separately Reported Trade Assets Pledgedas Collateral PledgedFinancialInstrumentsNotSeparatelyReportedTradeAssetsPledgedasCollateral	6000000000	USD
CY2020Q4	bk	Pledged Assets Not Separately Reported Other Assets Pledged As Collateral PledgedAssetsNotSeparatelyReportedOtherAssetsPledgedAsCollateral	1000000000	USD
CY2021Q4	us-gaap	Financial Instruments Owned And Pledged As Collateral Amount Eligible To Be Repledged By Counterparty FinancialInstrumentsOwnedAndPledgedAsCollateralAmountEligibleToBeRepledgedByCounterparty	24000000000	USD
CY2020Q4	us-gaap	Financial Instruments Owned And Pledged As Collateral Amount Eligible To Be Repledged By Counterparty FinancialInstrumentsOwnedAndPledgedAsCollateralAmountEligibleToBeRepledgedByCounterparty	18000000000	USD
CY2021Q4	us-gaap	Customer Securities For Which Entity Has Right To Sell Or Repledge Fair Value CustomerSecuritiesForWhichEntityHasRightToSellOrRepledgeFairValue	122000000000	USD
CY2020Q4	us-gaap	Customer Securities For Which Entity Has Right To Sell Or Repledge Fair Value CustomerSecuritiesForWhichEntityHasRightToSellOrRepledgeFairValue	121000000000	USD
CY2021Q4	us-gaap	Fair Value Of Securities Received As Collateral That Have Been Resold Or Repledged FairValueOfSecuritiesReceivedAsCollateralThatHaveBeenResoldOrRepledged	78000000000	USD
CY2020Q4	us-gaap	Fair Value Of Securities Received As Collateral That Have Been Resold Or Repledged FairValueOfSecuritiesReceivedAsCollateralThatHaveBeenResoldOrRepledged	84000000000	USD
CY2021Q4	us-gaap	Restricted Cash RestrictedCash	4000000000	USD
CY2020Q4	us-gaap	Restricted Cash RestrictedCash	3000000000	USD
CY2021Q4	us-gaap	Securities Segregated Under Other Regulations SecuritiesSegregatedUnderOtherRegulations	4000000000	USD
CY2020Q4	us-gaap	Securities Segregated Under Other Regulations SecuritiesSegregatedUnderOtherRegulations	6000000000	USD
CY2021Q4	us-gaap	Notes Receivable Gross NotesReceivableGross	67787000000	USD
CY2020Q4	us-gaap	Notes Receivable Gross NotesReceivableGross	56469000000	USD
CY2021Q4	us-gaap	Loans And Leases Receivable Deferred Income LoansAndLeasesReceivableDeferredIncome	240000000	USD
CY2020Q4	us-gaap	Loans And Leases Receivable Deferred Income LoansAndLeasesReceivableDeferredIncome	274000000	USD
CY2020Q4	bk	Financing Receivable Allowance For Credit Loss And Off Balance Sheet Credit Loss Liability FinancingReceivableAllowanceForCreditLossAndOffBalanceSheetCreditLossLiability	479000000	USD
CY2021	bk	Financing Receivable Allowance For Credit Loss And Off Balance Sheet Credit Loss Liability Writeoff FinancingReceivableAllowanceForCreditLossAndOffBalanceSheetCreditLossLiabilityWriteoff	18000000	USD
CY2021	bk	Financing Receivable Allowance For Credit Loss And Off Balance Sheet Credit Loss Liability Recovery FinancingReceivableAllowanceForCreditLossAndOffBalanceSheetCreditLossLiabilityRecovery	8000000	USD
CY2021	bk	Financing Receivable Allowance For Credit Loss And Off Balance Sheet Credit Loss Liability Writeoff After Recovery FinancingReceivableAllowanceForCreditLossAndOffBalanceSheetCreditLossLiabilityWriteoffAfterRecovery	10000000	USD
CY2021	bk	Financing Receivable Allowance For Credit Loss And Off Balance Sheet Credit Loss Liability Expense Reversal FinancingReceivableAllowanceForCreditLossAndOffBalanceSheetCreditLossLiabilityExpenseReversal	-228000000	USD
CY2021Q4	bk	Financing Receivable Allowance For Credit Loss And Off Balance Sheet Credit Loss Liability FinancingReceivableAllowanceForCreditLossAndOffBalanceSheetCreditLossLiability	241000000	USD
CY2021Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	196000000	USD
CY2021Q4	us-gaap	Off Balance Sheet Credit Loss Liability OffBalanceSheetCreditLossLiability	45000000	USD
CY2021Q4	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	130000000	USD
CY2021Q4	us-gaap	Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1 FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1	5000000	USD
CY2021	us-gaap	Provision For Other Credit Losses ProvisionForOtherCreditLosses	-3000000	USD
CY2021Q4	us-gaap	Loans And Leases Receivable Collateral For Secured Borrowings LoansAndLeasesReceivableCollateralForSecuredBorrowings	130000000	USD
CY2021Q4	us-gaap	Securities Loaned Fair Value Of Collateral SecuritiesLoanedFairValueOfCollateral	149000000	USD
CY2019Q4	bk	Financing Receivable Allowance For Credit Loss And Off Balance Sheet Credit Loss Liability FinancingReceivableAllowanceForCreditLossAndOffBalanceSheetCreditLossLiability	216000000	USD
CY2020	bk	Financing Receivable Allowance For Credit Loss And Off Balance Sheet Credit Loss Liability Writeoff FinancingReceivableAllowanceForCreditLossAndOffBalanceSheetCreditLossLiabilityWriteoff	1000000	USD
CY2020	bk	Financing Receivable Allowance For Credit Loss And Off Balance Sheet Credit Loss Liability Recovery FinancingReceivableAllowanceForCreditLossAndOffBalanceSheetCreditLossLiabilityRecovery	5000000	USD
CY2020	bk	Financing Receivable Allowance For Credit Loss And Off Balance Sheet Credit Loss Liability Writeoff After Recovery FinancingReceivableAllowanceForCreditLossAndOffBalanceSheetCreditLossLiabilityWriteoffAfterRecovery	-4000000	USD
CY2020	bk	Financing Receivable Allowance For Credit Loss And Off Balance Sheet Credit Loss Liability Expense Reversal FinancingReceivableAllowanceForCreditLossAndOffBalanceSheetCreditLossLiabilityExpenseReversal	328000000	USD
CY2020Q4	bk	Financing Receivable Allowance For Credit Loss And Off Balance Sheet Credit Loss Liability FinancingReceivableAllowanceForCreditLossAndOffBalanceSheetCreditLossLiability	479000000	USD
CY2020Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	358000000	USD
CY2020Q4	us-gaap	Off Balance Sheet Credit Loss Liability OffBalanceSheetCreditLossLiability	121000000	USD
CY2020Q4	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	20000000	USD
CY2020Q4	us-gaap	Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1 FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1	0	USD
CY2020	us-gaap	Provision For Other Credit Losses ProvisionForOtherCreditLosses	8000000	USD
CY2020Q4	us-gaap	Loans And Leases Receivable Collateral For Secured Borrowings LoansAndLeasesReceivableCollateralForSecuredBorrowings	20000000	USD
CY2020Q4	us-gaap	Securities Loaned Fair Value Of Collateral SecuritiesLoanedFairValueOfCollateral	30000000	USD
CY2018Q4	bk	Financing Receivable Allowance For Credit Loss And Off Balance Sheet Credit Loss Liability FinancingReceivableAllowanceForCreditLossAndOffBalanceSheetCreditLossLiability	252000000	USD
CY2019	bk	Financing Receivable Allowance For Credit Loss And Off Balance Sheet Credit Loss Liability Writeoff FinancingReceivableAllowanceForCreditLossAndOffBalanceSheetCreditLossLiabilityWriteoff	14000000	USD
CY2019	bk	Financing Receivable Allowance For Credit Loss And Off Balance Sheet Credit Loss Liability Recovery FinancingReceivableAllowanceForCreditLossAndOffBalanceSheetCreditLossLiabilityRecovery	3000000	USD
CY2019	bk	Financing Receivable Allowance For Credit Loss And Off Balance Sheet Credit Loss Liability Writeoff After Recovery FinancingReceivableAllowanceForCreditLossAndOffBalanceSheetCreditLossLiabilityWriteoffAfterRecovery	11000000	USD
CY2019	bk	Financing Receivable Allowance For Credit Loss And Off Balance Sheet Credit Loss Liability Expense Reversal FinancingReceivableAllowanceForCreditLossAndOffBalanceSheetCreditLossLiabilityExpenseReversal	-25000000	USD
CY2019Q4	bk	Financing Receivable Allowance For Credit Loss And Off Balance Sheet Credit Loss Liability FinancingReceivableAllowanceForCreditLossAndOffBalanceSheetCreditLossLiability	216000000	USD
CY2019Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	122000000	USD
CY2019Q4	us-gaap	Off Balance Sheet Credit Loss Liability OffBalanceSheetCreditLossLiability	94000000	USD
CY2019Q4	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	15000000	USD
CY2019Q4	us-gaap	Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1 FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1	0	USD
CY2019Q4	us-gaap	Financing Receivable Collectively Evaluated For Impairment FinancingReceivableCollectivelyEvaluatedForImpairment	54938000000	USD
CY2019Q4	us-gaap	Financing Receivable Allowance For Credit Losses Collectively Evaluated For Impairment FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment	122000000	USD
CY2021	bk	Financing Receivable Modifications Cares Act FinancingReceivableModificationsCARESAct	104000000	USD
CY2020	bk	Financing Receivable Modifications Cares Act FinancingReceivableModificationsCARESAct	404000000	USD
CY2021Q4	bk	Financing Receivable Modifications Unpaid Principal Balance Cares Act FinancingReceivableModificationsUnpaidPrincipalBalanceCARESAct	150000000	USD
CY2020Q4	bk	Financing Receivable Modifications Unpaid Principal Balance Cares Act FinancingReceivableModificationsUnpaidPrincipalBalanceCARESAct	92000000	USD
CY2021Q4	us-gaap	Financing Receivable Originated In Current Fiscal Year FinancingReceivableOriginatedInCurrentFiscalYear	13289000000	USD
CY2021Q4	us-gaap	Financing Receivable Originated In Fiscal Year Before Latest Fiscal Year FinancingReceivableOriginatedInFiscalYearBeforeLatestFiscalYear	1738000000	USD
CY2021Q4	us-gaap	Financing Receivable Originated Two Years Before Latest Fiscal Year FinancingReceivableOriginatedTwoYearsBeforeLatestFiscalYear	2194000000	USD
CY2021Q4	us-gaap	Financing Receivable Originated Three Years Before Latest Fiscal Year FinancingReceivableOriginatedThreeYearsBeforeLatestFiscalYear	1090000000	USD
CY2021Q4	us-gaap	Financing Receivable Originated Four Years Before Latest Fiscal Year FinancingReceivableOriginatedFourYearsBeforeLatestFiscalYear	1484000000	USD
CY2021Q4	us-gaap	Financing Receivable Originated Five Or More Years Before Latest Fiscal Year FinancingReceivableOriginatedFiveOrMoreYearsBeforeLatestFiscalYear	4627000000	USD
CY2021Q4	us-gaap	Financing Receivable Revolving FinancingReceivableRevolving	40279000000	USD
CY2021Q4	us-gaap	Financing Receivable Revolving Converted To Term Loan FinancingReceivableRevolvingConvertedToTermLoan	26000000	USD
CY2021Q4	bk	Financing Receivable Excluding Bank Overdraftsbefore Allowancefor Credit Loss FinancingReceivableExcludingBankOverdraftsbeforeAllowanceforCreditLoss	64727000000	USD
CY2021Q4	us-gaap	Financing Receivable Accrued Interest Before Allowance For Credit Loss FinancingReceivableAccruedInterestBeforeAllowanceForCreditLoss	61000000	USD
CY2020Q4	us-gaap	Financing Receivable Originated In Current Fiscal Year FinancingReceivableOriginatedInCurrentFiscalYear	7414000000	USD
CY2020Q4	us-gaap	Financing Receivable Originated In Fiscal Year Before Latest Fiscal Year FinancingReceivableOriginatedInFiscalYearBeforeLatestFiscalYear	2976000000	USD
CY2020Q4	us-gaap	Financing Receivable Originated Two Years Before Latest Fiscal Year FinancingReceivableOriginatedTwoYearsBeforeLatestFiscalYear	1887000000	USD
CY2020Q4	us-gaap	Financing Receivable Originated Three Years Before Latest Fiscal Year FinancingReceivableOriginatedThreeYearsBeforeLatestFiscalYear	2591000000	USD
CY2020Q4	us-gaap	Financing Receivable Originated Four Years Before Latest Fiscal Year FinancingReceivableOriginatedFourYearsBeforeLatestFiscalYear	2352000000	USD
CY2020Q4	us-gaap	Financing Receivable Originated Five Or More Years Before Latest Fiscal Year FinancingReceivableOriginatedFiveOrMoreYearsBeforeLatestFiscalYear	4506000000	USD
CY2020Q4	us-gaap	Financing Receivable Revolving FinancingReceivableRevolving	32033000000	USD
CY2020Q4	us-gaap	Financing Receivable Revolving Converted To Term Loan FinancingReceivableRevolvingConvertedToTermLoan	27000000	USD
CY2020Q4	bk	Financing Receivable Excluding Bank Overdraftsbefore Allowancefor Credit Loss FinancingReceivableExcludingBankOverdraftsbeforeAllowanceforCreditLoss	53786000000	USD
CY2020Q4	us-gaap	Financing Receivable Accrued Interest Before Allowance For Credit Loss FinancingReceivableAccruedInterestBeforeAllowanceForCreditLoss	59000000	USD
CY2021Q4	bk	Percentageof Exposureto Investment Grade Securities PercentageofExposuretoInvestmentGradeSecurities	0.96
CY2021Q4	bk	Percentageof Financial Institution Exposure Secured PercentageofFinancialInstitutionExposureSecured	0.66
CY2021Q4	bk	Percentof Financial Institution Exposure Expiring Within One Year PercentofFinancialInstitutionExposureExpiringWithinOneYear	0.87
CY2021Q4	bk	Federal Funds Soldand Securities Purchasedunder Agreementsto Resell Allowancefor Credit Losses FederalFundsSoldandSecuritiesPurchasedunderAgreementstoResellAllowanceforCreditLosses	0	USD
CY2021Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	1250000000	USD
CY2021Q4	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	34000000	USD
CY2021Q4	bk	Rightof Use Asset RightofUseAsset	1284000000	USD
CY2019	us-gaap	Lease Cost LeaseCost	279000000	USD
CY2021	us-gaap	Operating Lease Payments OperatingLeasePayments	260000000	USD
CY2020Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	1432000000	USD
CY2020Q4	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	11000000	USD
CY2020Q4	bk	Rightof Use Asset RightofUseAsset	1443000000	USD
CY2021Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	1461000000	USD
CY2021Q4	us-gaap	Finance Lease Liability FinanceLeaseLiability	24000000	USD
CY2021Q4	bk	Lease Liability LeaseLiability	1485000000	USD
CY2020Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	1669000000	USD
CY2020Q4	us-gaap	Finance Lease Liability FinanceLeaseLiability	11000000	USD
CY2020Q4	bk	Lease Liability LeaseLiability	1680000000	USD
CY2021Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P10Y6M
CY2021Q4	us-gaap	Finance Lease Weighted Average Remaining Lease Term1 FinanceLeaseWeightedAverageRemainingLeaseTerm1	P0Y10M24D
CY2020Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P10Y9M18D
CY2020Q4	us-gaap	Finance Lease Weighted Average Remaining Lease Term1 FinanceLeaseWeightedAverageRemainingLeaseTerm1	P1Y1M6D
CY2021Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0262
CY2021Q4	us-gaap	Finance Lease Weighted Average Discount Rate Percent FinanceLeaseWeightedAverageDiscountRatePercent	0.0097
CY2020Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0255
CY2020Q4	us-gaap	Finance Lease Weighted Average Discount Rate Percent FinanceLeaseWeightedAverageDiscountRatePercent	0.0029
CY2021	us-gaap	Operating Lease Cost OperatingLeaseCost	236000000	USD
CY2020	us-gaap	Operating Lease Cost OperatingLeaseCost	263000000	USD
CY2019	us-gaap	Operating Lease Cost OperatingLeaseCost	266000000	USD
CY2021	us-gaap	Variable Lease Cost VariableLeaseCost	39000000	USD
CY2020	us-gaap	Variable Lease Cost VariableLeaseCost	47000000	USD
CY2019	us-gaap	Variable Lease Cost VariableLeaseCost	39000000	USD
CY2021	us-gaap	Sublease Income SubleaseIncome	33000000	USD
CY2020	us-gaap	Sublease Income SubleaseIncome	35000000	USD
CY2019	us-gaap	Sublease Income SubleaseIncome	33000000	USD
CY2021	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	3000000	USD
CY2020	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	1000000	USD
CY2019	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	7000000	USD
CY2021	us-gaap	Lease Cost LeaseCost	245000000	USD
CY2020	us-gaap	Lease Cost LeaseCost	276000000	USD
CY2020	us-gaap	Goodwill Foreign Currency Translation Gain Loss GoodwillForeignCurrencyTranslationGainLoss	-110000000	USD
CY2020	us-gaap	Operating Lease Payments OperatingLeasePayments	284000000	USD
CY2019	us-gaap	Operating Lease Payments OperatingLeasePayments	285000000	USD
CY2021	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	13000000	USD
CY2020	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	1000000	USD
CY2019	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	20000000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	225000000	USD
CY2021Q4	us-gaap	Finance Lease Liability Payments Due Next Twelve Months FinanceLeaseLiabilityPaymentsDueNextTwelveMonths	24000000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	194000000	USD
CY2021Q4	us-gaap	Finance Lease Liability Payments Due Year Two FinanceLeaseLiabilityPaymentsDueYearTwo	0	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	147000000	USD
CY2021Q4	us-gaap	Finance Lease Liability Payments Due Year Three FinanceLeaseLiabilityPaymentsDueYearThree	0	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	139000000	USD
CY2021Q4	us-gaap	Finance Lease Liability Payments Due Year Four FinanceLeaseLiabilityPaymentsDueYearFour	0	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	146000000	USD
CY2021Q4	us-gaap	Finance Lease Liability Payments Due Year Five FinanceLeaseLiabilityPaymentsDueYearFive	0	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	825000000	USD
CY2021Q4	us-gaap	Finance Lease Liability Payments Due After Year Five FinanceLeaseLiabilityPaymentsDueAfterYearFive	0	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	1676000000	USD
CY2021Q4	us-gaap	Finance Lease Liability Payments Due FinanceLeaseLiabilityPaymentsDue	24000000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	215000000	USD
CY2021Q4	us-gaap	Finance Lease Liability Undiscounted Excess Amount FinanceLeaseLiabilityUndiscountedExcessAmount	0	USD
CY2021Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	1461000000	USD
CY2021Q4	us-gaap	Finance Lease Liability FinanceLeaseLiability	24000000	USD
CY2019Q4	us-gaap	Goodwill Goodwill	17386000000	USD
CY2020	us-gaap	Goodwill Other Increase Decrease GoodwillOtherIncreaseDecrease	0	USD
CY2020Q4	us-gaap	Goodwill Goodwill	17496000000	USD
CY2021	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	94000000	USD
CY2021	us-gaap	Goodwill Foreign Currency Translation Gain Loss GoodwillForeignCurrencyTranslationGainLoss	78000000	USD
CY2021Q4	us-gaap	Goodwill Goodwill	17512000000	USD
CY2019Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	3107000000	USD
CY2020	bk	Intangible Assets Acquired IntangibleAssetsAcquired	2000000	USD
CY2020	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	104000000	USD
CY2020	bk	Intangible Assets Foreign Currency Translation Gain Loss IntangibleAssetsForeignCurrencyTranslationGainLoss	7000000	USD
CY2020Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	3012000000	USD
CY2021	bk	Intangible Assets Acquired IntangibleAssetsAcquired	64000000	USD
CY2021	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	82000000	USD
CY2021	bk	Intangible Assets Foreign Currency Translation Gain Loss IntangibleAssetsForeignCurrencyTranslationGainLoss	-3000000	USD
CY2021Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	2991000000	USD
CY2021Q4	us-gaap	Intangible Assets Gross Excluding Goodwill IntangibleAssetsGrossExcludingGoodwill	4329000000	USD
CY2021Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	1338000000	USD
CY2021Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	2991000000	USD
CY2020Q4	us-gaap	Intangible Assets Gross Excluding Goodwill IntangibleAssetsGrossExcludingGoodwill	4790000000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	1778000000	USD
CY2020Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	3012000000	USD
CY2021Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	68000000	USD
CY2021Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	58000000	USD
CY2021Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	50000000	USD
CY2021Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	43000000	USD
CY2021Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	34000000	USD
CY2021	us-gaap	Number Of Reporting Units NumberOfReportingUnits	6	reporting_unit
CY2021	us-gaap	Number Of Reporting Units NumberOfReportingUnits	6	reporting_unit
CY2021	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	USD
CY2021Q4	us-gaap	Life Insurance Corporate Or Bank Owned Amount LifeInsuranceCorporateOrBankOwnedAmount	5359000000	USD
CY2020Q4	us-gaap	Life Insurance Corporate Or Bank Owned Amount LifeInsuranceCorporateOrBankOwnedAmount	5301000000	USD
CY2021Q4	us-gaap	Accounts Receivable Net AccountsReceivableNet	4178000000	USD
CY2020Q4	us-gaap	Accounts Receivable Net AccountsReceivableNet	3619000000	USD
CY2021Q4	us-gaap	Capitalized Computer Software Net CapitalizedComputerSoftwareNet	2096000000	USD
CY2020Q4	us-gaap	Capitalized Computer Software Net CapitalizedComputerSoftwareNet	1884000000	USD
CY2021Q4	us-gaap	Defined Benefit Plan Assets For Plan Benefits Noncurrent DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent	1946000000	USD
CY2020Q4	us-gaap	Defined Benefit Plan Assets For Plan Benefits Noncurrent DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent	1556000000	USD
CY2021Q4	us-gaap	Receivables From Brokers Dealers And Clearing Organizations ReceivablesFromBrokersDealersAndClearingOrganizations	1561000000	USD
CY2020Q4	us-gaap	Receivables From Brokers Dealers And Clearing Organizations ReceivablesFromBrokersDealersAndClearingOrganizations	1371000000	USD
CY2021Q4	us-gaap	Amortization Method Qualified Affordable Housing Project Investments AmortizationMethodQualifiedAffordableHousingProjectInvestments	1153000000	USD
CY2020Q4	us-gaap	Amortization Method Qualified Affordable Housing Project Investments AmortizationMethodQualifiedAffordableHousingProjectInvestments	1145000000	USD
CY2021Q4	bk	Renewable Energy Investments RenewableEnergyInvestments	1027000000	USD
CY2020Q4	bk	Renewable Energy Investments RenewableEnergyInvestments	1206000000	USD
CY2021Q4	bk	Equity In Joint Ventures And Other Investments EquityInJointVenturesAndOtherInvestments	939000000	USD
CY2020Q4	bk	Equity In Joint Ventures And Other Investments EquityInJointVenturesAndOtherInvestments	921000000	USD
CY2021Q4	us-gaap	Income Tax Receivable IncomeTaxReceivable	538000000	USD
CY2020Q4	us-gaap	Income Tax Receivable IncomeTaxReceivable	599000000	USD
CY2021Q4	us-gaap	Prepaid Expense Current And Noncurrent PrepaidExpenseCurrentAndNoncurrent	476000000	USD
CY2020Q4	us-gaap	Prepaid Expense Current And Noncurrent PrepaidExpenseCurrentAndNoncurrent	477000000	USD
CY2021Q4	us-gaap	Federal Reserve Bank Stock FederalReserveBankStock	472000000	USD
CY2020Q4	us-gaap	Federal Reserve Bank Stock FederalReserveBankStock	479000000	USD
CY2021Q4	bk	Assets Of Consolidated Investment Management Funds AssetsOfConsolidatedInvestmentManagementFunds	462000000	USD
CY2020Q4	bk	Assets Of Consolidated Investment Management Funds AssetsOfConsolidatedInvestmentManagementFunds	487000000	USD
CY2021Q4	bk	Equity Investments Other EquityInvestmentsOther	449000000	USD
CY2020Q4	bk	Equity Investments Other EquityInvestmentsOther	290000000	USD
CY2021Q4	bk	Seed Capital SeedCapital	357000000	USD
CY2020Q4	bk	Seed Capital SeedCapital	365000000	USD
CY2021Q4	us-gaap	Derivative Instruments In Hedges Assets At Fair Value DerivativeInstrumentsInHedgesAssetsAtFairValue	206000000	USD
CY2020Q4	us-gaap	Derivative Instruments In Hedges Assets At Fair Value DerivativeInstrumentsInHedgesAssetsAtFairValue	19000000	USD
CY2021Q4	us-gaap	Other Assets Miscellaneous OtherAssetsMiscellaneous	1190000000	USD
CY2020Q4	us-gaap	Other Assets Miscellaneous OtherAssetsMiscellaneous	1236000000	USD
CY2021Q4	us-gaap	Other Assets OtherAssets	22409000000	USD
CY2020Q4	us-gaap	Other Assets OtherAssets	20955000000	USD
CY2021Q4	us-gaap	Federal Home Loan Bank Stock FederalHomeLoanBankStock	7000000	USD
CY2020Q4	us-gaap	Federal Home Loan Bank Stock FederalHomeLoanBankStock	7000000	USD
CY2021Q4	us-gaap	Equity Securities Without Readily Determinable Fair Value Amount EquitySecuritiesWithoutReadilyDeterminableFairValueAmount	264000000	USD
CY2020Q4	us-gaap	Equity Securities Without Readily Determinable Fair Value Amount EquitySecuritiesWithoutReadilyDeterminableFairValueAmount	129000000	USD
CY2021	us-gaap	Equity Securities Without Readily Determinable Fair Value Upward Price Adjustment Annual Amount EquitySecuritiesWithoutReadilyDeterminableFairValueUpwardPriceAdjustmentAnnualAmount	105000000	USD
CY2020	us-gaap	Equity Securities Without Readily Determinable Fair Value Upward Price Adjustment Annual Amount EquitySecuritiesWithoutReadilyDeterminableFairValueUpwardPriceAdjustmentAnnualAmount	21000000	USD
CY2019	us-gaap	Equity Securities Without Readily Determinable Fair Value Upward Price Adjustment Annual Amount EquitySecuritiesWithoutReadilyDeterminableFairValueUpwardPriceAdjustmentAnnualAmount	4000000	USD
CY2021Q4	us-gaap	Equity Securities Without Readily Determinable Fair Value Upward Price Adjustment Cumulative Amount EquitySecuritiesWithoutReadilyDeterminableFairValueUpwardPriceAdjustmentCumulativeAmount	158000000	USD
CY2021	us-gaap	Equity Securities Without Readily Determinable Fair Value Downward Price Adjustment Annual Amount EquitySecuritiesWithoutReadilyDeterminableFairValueDownwardPriceAdjustmentAnnualAmount	0	USD
CY2020	us-gaap	Equity Securities Without Readily Determinable Fair Value Downward Price Adjustment Annual Amount EquitySecuritiesWithoutReadilyDeterminableFairValueDownwardPriceAdjustmentAnnualAmount	0	USD
CY2019	us-gaap	Equity Securities Without Readily Determinable Fair Value Downward Price Adjustment Annual Amount EquitySecuritiesWithoutReadilyDeterminableFairValueDownwardPriceAdjustmentAnnualAmount	3000000	USD
CY2021Q4	us-gaap	Equity Securities Without Readily Determinable Fair Value Downward Price Adjustment Cumulative Amount EquitySecuritiesWithoutReadilyDeterminableFairValueDownwardPriceAdjustmentCumulativeAmount	4000000	USD
CY2021	bk	Equity Securitieswithout Readily Determinable Fair Value Net Adjustment Annual Amount EquitySecuritieswithoutReadilyDeterminableFairValueNetAdjustmentAnnualAmount	105000000	USD
CY2020	bk	Equity Securitieswithout Readily Determinable Fair Value Net Adjustment Annual Amount EquitySecuritieswithoutReadilyDeterminableFairValueNetAdjustmentAnnualAmount	21000000	USD
CY2019	bk	Equity Securitieswithout Readily Determinable Fair Value Net Adjustment Annual Amount EquitySecuritieswithoutReadilyDeterminableFairValueNetAdjustmentAnnualAmount	1000000	USD
CY2021Q4	bk	Equity Securitieswithout Readily Determinable Fair Value Net Adjustment Cumulative Amount EquitySecuritieswithoutReadilyDeterminableFairValueNetAdjustmentCumulativeAmount	154000000	USD
CY2021Q4	us-gaap	Amortization Method Qualified Affordable Housing Project Investments AmortizationMethodQualifiedAffordableHousingProjectInvestments	1200000000	USD
CY2020Q4	us-gaap	Amortization Method Qualified Affordable Housing Project Investments AmortizationMethodQualifiedAffordableHousingProjectInvestments	1100000000	USD
CY2021Q4	us-gaap	Qualified Affordable Housing Project Investments Commitment QualifiedAffordableHousingProjectInvestmentsCommitment	543000000	USD
CY2020Q4	us-gaap	Qualified Affordable Housing Project Investments Commitment QualifiedAffordableHousingProjectInvestmentsCommitment	514000000	USD
CY2021Q4	bk	Qualified Affordable Housing Project Investments Commitment Next Twelve Months QualifiedAffordableHousingProjectInvestmentsCommitmentNextTwelveMonths	224000000	USD
CY2021Q4	bk	Qualified Affordable Housing Project Investments Commitmentin Two Years QualifiedAffordableHousingProjectInvestmentsCommitmentinTwoYears	195000000	USD
CY2021Q4	bk	Qualified Affordable Housing Project Investments Commitmentin Three Years QualifiedAffordableHousingProjectInvestmentsCommitmentinThreeYears	97000000	USD
CY2021Q4	bk	Qualified Affordable Housing Project Investments Commitmentin Four Years QualifiedAffordableHousingProjectInvestmentsCommitmentinFourYears	2000000	USD
CY2021Q4	bk	Qualified Affordable Housing Project Investments Commitmentin Five Years QualifiedAffordableHousingProjectInvestmentsCommitmentinFiveYears	1000000	USD
CY2021Q4	bk	Qualified Affordable Housing Project Investments Commitment Thereafter QualifiedAffordableHousingProjectInvestmentsCommitmentThereafter	24000000	USD
CY2021	us-gaap	Affordable Housing Tax Credits And Other Tax Benefits Amount AffordableHousingTaxCreditsAndOtherTaxBenefitsAmount	148000000	USD
CY2020	us-gaap	Affordable Housing Tax Credits And Other Tax Benefits Amount AffordableHousingTaxCreditsAndOtherTaxBenefitsAmount	137000000	USD
CY2019	us-gaap	Affordable Housing Tax Credits And Other Tax Benefits Amount AffordableHousingTaxCreditsAndOtherTaxBenefitsAmount	148000000	USD
CY2021	us-gaap	Amortization Method Qualified Affordable Housing Project Investments Amortization AmortizationMethodQualifiedAffordableHousingProjectInvestmentsAmortization	124000000	USD
CY2020	us-gaap	Amortization Method Qualified Affordable Housing Project Investments Amortization AmortizationMethodQualifiedAffordableHousingProjectInvestmentsAmortization	113000000	USD
CY2019	us-gaap	Amortization Method Qualified Affordable Housing Project Investments Amortization AmortizationMethodQualifiedAffordableHousingProjectInvestmentsAmortization	121000000	USD
CY2021Q4	us-gaap	Time Deposits At Or Above Fdic Insurance Limit TimeDepositsAtOrAboveFDICInsuranceLimit	549000000	USD
CY2020Q4	us-gaap	Time Deposits At Or Above Fdic Insurance Limit TimeDepositsAtOrAboveFDICInsuranceLimit	1200000000	USD
CY2021Q4	us-gaap	Time Deposit Maturities Year One TimeDepositMaturitiesYearOne	576000000	USD
CY2021Q4	us-gaap	Time Deposit Maturities Year Two TimeDepositMaturitiesYearTwo	2000000	USD
CY2021Q4	us-gaap	Time Deposit Maturities Year Three TimeDepositMaturitiesYearThree	1000000	USD
CY2021Q4	us-gaap	Time Deposit Maturities Year Four TimeDepositMaturitiesYearFour	0	USD
CY2021Q4	us-gaap	Time Deposit Maturities Year Five TimeDepositMaturitiesYearFive	0	USD
CY2021Q4	us-gaap	Time Deposit Maturities After Year Five TimeDepositMaturitiesAfterYearFive	0	USD
CY2021	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	12000000	USD
CY2019	us-gaap	Interest Expense Trading Liabilities InterestExpenseTradingLiabilities	35000000	USD
CY2021	us-gaap	Interest Expense Other Short Term Borrowings InterestExpenseOtherShortTermBorrowings	8000000	USD
CY2020	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	9000000	USD
CY2019	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	26000000	USD
CY2021Q4	us-gaap	Contract With Customer Asset Net ContractWithCustomerAssetNet	2500000000	USD
CY2020Q4	us-gaap	Contract With Customer Asset Net ContractWithCustomerAssetNet	2400000000	USD
CY2021Q4	us-gaap	Contract With Customer Asset Net Current ContractWithCustomerAssetNetCurrent	42000000	USD
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CY2021Q4	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	163000000	USD
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CY2021Q4	us-gaap	Supplementary Leverage Ratio SupplementaryLeverageRatio	0.066
CY2020Q4	us-gaap	Supplementary Leverage Ratio SupplementaryLeverageRatio	0.086
CY2021Q4	us-gaap	Common Equity Tier One Capital CommonEquityTierOneCapital	18746000000	USD
CY2020Q4	us-gaap	Common Equity Tier One Capital CommonEquityTierOneCapital	21875000000	USD
CY2021Q4	us-gaap	Tier One Risk Based Capital TierOneRiskBasedCapital	23485000000	USD
CY2020Q4	us-gaap	Tier One Risk Based Capital TierOneRiskBasedCapital	26310000000	USD
CY2021Q4	bk	Adjusted Average Assets AdjustedAverageAssets	430102000000	USD
CY2020Q4	bk	Adjusted Average Assets AdjustedAverageAssets	417982000000	USD
CY2021Q4	bk	Leverage Exposurefor Slr Purposes LeverageExposureforSLRPurposes	354033000000	USD
CY2020Q4	bk	Leverage Exposurefor Slr Purposes LeverageExposureforSLRPurposes	304823000000	USD
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice	22.03
CY2021	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested And Expected To Vest Outstanding Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm1	P0Y1M6D
CY2021Q4	bk	Excess Cet1 Risk Based Capital Above Applicable Threshold ExcessCET1RiskBasedCapitalAboveApplicableThreshold	4499000000	USD
CY2021Q4	bk	Excess Tier One Risk Based Capital Above Applicable Threshold ExcessTierOneRiskBasedCapitalAboveApplicableThreshold	6724000000	USD
CY2021Q4	bk	Excess Total Risk Based Capital Above Applicable Threshold ExcessTotalRiskBasedCapitalAboveApplicableThreshold	4859000000	USD
CY2021Q4	bk	Excess Tier One Leverage Capital Above Applicable Threshold ExcessTierOneLeverageCapitalAboveApplicableThreshold	6281000000	USD
CY2021Q4	bk	Excess Slr Risk Based Capital Above Applicable Threshold ExcessSLRRiskBasedCapitalAboveApplicableThreshold	5783000000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Before Tax OtherComprehensiveIncomeLossBeforeTax	-1433000000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	-207000000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-1226000000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Before Tax OtherComprehensiveIncomeLossBeforeTax	1944000000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	284000000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	1660000000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Before Tax OtherComprehensiveIncomeLossBeforeTax	769000000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	143000000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	626000000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	623000000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	1658000000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-1228000000	USD
CY2021	bk	Share Based Compensation Arrangement By Share Based Payment Award Maximum Exercisable Period For Stock Options ShareBasedCompensationArrangementByShareBasedPaymentAwardMaximumExercisablePeriodForStockOptions	P10Y
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	0	shares
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	0	shares
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	0	shares
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	2335238	shares
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	23.99
CY2020	bk	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term3 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm3	P0Y10M24D
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	0	shares
CY2021	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	0
CY2021	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	1910185	shares
CY2021	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	24.37
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	17148	shares
CY2021	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	27.63
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	407905	shares
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	22.03
CY2021	bk	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term3 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm3	P0Y1M6D
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber	407905	shares
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	407905	shares
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	22.03
CY2021	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1	P0Y1M6D
CY2020Q4	us-gaap	Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Number Of Exercisable Options ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions	2335238	shares
CY2019Q4	us-gaap	Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Number Of Exercisable Options ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions	4143575	shares
CY2020Q4	us-gaap	Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Exercisable Options Weighted Average Exercise Price1 SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1	23.99
CY2019Q4	us-gaap	Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Exercisable Options Weighted Average Exercise Price1 SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1	26.03
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	15000000	USD
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	43000000	USD
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	101000000	USD
CY2021Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	15000000	USD
CY2020Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	43000000	USD
CY2019Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	101000000	USD
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	48000000	USD
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	21000000	USD
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	63000000	USD
CY2021	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	50000000	USD
CY2020	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	46000000	USD
CY2019	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	65000000	USD
CY2021	us-gaap	Employee Service Share Based Compensation Tax Benefit From Exercise Of Stock Options EmployeeServiceShareBasedCompensationTaxBenefitFromExerciseOfStockOptions	8000000	USD
CY2020	us-gaap	Employee Service Share Based Compensation Tax Benefit From Exercise Of Stock Options EmployeeServiceShareBasedCompensationTaxBenefitFromExerciseOfStockOptions	2000000	USD
CY2019	us-gaap	Employee Service Share Based Compensation Tax Benefit From Exercise Of Stock Options EmployeeServiceShareBasedCompensationTaxBenefitFromExerciseOfStockOptions	10000000	USD
CY2021Q4	us-gaap	Defined Benefit Plan Accumulated Benefit Obligation DefinedBenefitPlanAccumulatedBenefitObligation	6200000000	USD
CY2020Q4	us-gaap	Defined Benefit Plan Accumulated Benefit Obligation DefinedBenefitPlanAccumulatedBenefitObligation	6600000000	USD
CY2021	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	258000000	USD
CY2020	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	249000000	USD
CY2019	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	244000000	USD
CY2021Q4	us-gaap	Employee Stock Ownership Plan Esop Number Of Allocated Shares EmployeeStockOwnershipPlanESOPNumberOfAllocatedShares	4000000	shares
CY2020Q4	us-gaap	Employee Stock Ownership Plan Esop Number Of Allocated Shares EmployeeStockOwnershipPlanESOPNumberOfAllocatedShares	4300000	shares
CY2021Q4	us-gaap	Employee Stock Ownership Plan Esop Deferred Shares Fair Value EmployeeStockOwnershipPlanESOPDeferredSharesFairValue	236000000	USD
CY2020Q4	us-gaap	Employee Stock Ownership Plan Esop Deferred Shares Fair Value EmployeeStockOwnershipPlanESOPDeferredSharesFairValue	187000000	USD
CY2021Q4	us-gaap	Statutory Accounting Practices Statutory Amount Available For Dividend Payments Without Regulatory Approval StatutoryAccountingPracticesStatutoryAmountAvailableForDividendPaymentsWithoutRegulatoryApproval	1500000000	USD
CY2021Q4	bk	Liquid Assets Held Amount LiquidAssetsHeldAmount	2300000000	USD
CY2021Q2	us-gaap	Stock Repurchase Program Authorized Amount1 StockRepurchaseProgramAuthorizedAmount1	6000000000	USD
CY2021	us-gaap	Interest Expense Related Party InterestExpenseRelatedParty	6000000	USD
CY2020	us-gaap	Interest Expense Related Party InterestExpenseRelatedParty	30000000	USD
CY2019	us-gaap	Interest Expense Related Party InterestExpenseRelatedParty	64000000	USD
CY2021Q4	bk	Percentage Of Securities Valued With Reasonable Level Of Price Transparency PercentageOfSecuritiesValuedWithReasonableLevelOfPriceTransparency	0.99
CY2021	bk	Increase Decrease In Fair Value Of Loans Measured On Nonrecurring Basis Based On Fair Value Of Underlying Collateral IncreaseDecreaseInFairValueOfLoansMeasuredOnNonrecurringBasisBasedOnFairValueOfUnderlyingCollateral	-1000000	USD
CY2020	bk	Increase Decrease In Fair Value Of Loans Measured On Nonrecurring Basis Based On Fair Value Of Underlying Collateral IncreaseDecreaseInFairValueOfLoansMeasuredOnNonrecurringBasisBasedOnFairValueOfUnderlyingCollateral	-1000000	USD
CY2021Q4	bk	Long Term Debt Carrying Amount LongTermDebtCarryingAmount	240000000	USD
CY2020Q4	us-gaap	Long Term Debt Fair Value LongTermDebtFairValue	400000000	USD
CY2021Q4	us-gaap	Subordinated Debt SubordinatedDebt	15000000	USD
CY2021Q4	us-gaap	Fair Value Liabilities Measured On Recurring Basis Subordinated Debt Obligations FairValueLiabilitiesMeasuredOnRecurringBasisSubordinatedDebtObligations	15000000	USD
CY2021Q4	bk	Securities Lending Indemnifications Joint Venture SecuritiesLendingIndemnificationsJointVenture	67000000000	USD
CY2020Q4	bk	Securities Lending Indemnifications Joint Venture SecuritiesLendingIndemnificationsJointVenture	62000000000	USD
CY2021Q4	bk	Lending Commitment Maturing Within One Year LendingCommitmentMaturingWithinOneYear	27100000000	USD
CY2021Q4	bk	Lending Commitment Maturing After One Through Five Years LendingCommitmentMaturingAfterOneThroughFiveYears	18600000000	USD
CY2021Q4	bk	Lending Commitment Maturing After Five Years LendingCommitmentMaturingAfterFiveYears	516000000	USD
CY2020Q4	us-gaap	Off Balance Sheet Credit Loss Liability OffBalanceSheetCreditLossLiability	121000000	USD
CY2021Q4	bk	Securities Lending Cash Collateral Percentage SecuritiesLendingCashCollateralPercentage	1.02
CY2021Q4	bk	Securities Lending Indemnifications Collateral SecuritiesLendingIndemnificationsCollateral	511000000000	USD
CY2020Q4	bk	Securities Lending Indemnifications Collateral SecuritiesLendingIndemnificationsCollateral	493000000000	USD
CY2021Q4	bk	Securities Lending Indemnifications Joint Venture SecuritiesLendingIndemnificationsJointVenture	67000000000	USD
CY2020Q4	bk	Securities Lending Indemnifications Joint Venture SecuritiesLendingIndemnificationsJointVenture	62000000000	USD
CY2021Q4	bk	Securities Lending Indemnifications Collateral Joint Venture SecuritiesLendingIndemnificationsCollateralJointVenture	71000000000	USD
CY2020Q4	bk	Securities Lending Indemnifications Collateral Joint Venture SecuritiesLendingIndemnificationsCollateralJointVenture	66000000000	USD
CY2021	us-gaap	Derivative Loss On Derivative DerivativeLossOnDerivative	0	USD
CY2021	us-gaap	Notional Amount Of Nonderivative Instruments NotionalAmountOfNonderivativeInstruments	0	USD
CY2021	us-gaap	Derivative Gain Loss On Derivative Net DerivativeGainLossOnDerivativeNet	13000000	USD
CY2020	us-gaap	Derivative Gain Loss On Derivative Net DerivativeGainLossOnDerivativeNet	-1000000	USD
CY2019	us-gaap	Derivative Gain Loss On Derivative Net DerivativeGainLossOnDerivativeNet	7000000	USD
CY2021Q4	us-gaap	Derivative Asset Fair Value Gross Asset Including Not Subject To Master Netting Arrangement DerivativeAssetFairValueGrossAssetIncludingNotSubjectToMasterNettingArrangement	9793000000	USD
CY2020Q4	us-gaap	Derivative Asset Fair Value Gross Asset Including Not Subject To Master Netting Arrangement DerivativeAssetFairValueGrossAssetIncludingNotSubjectToMasterNettingArrangement	12191000000	USD
CY2021Q4	us-gaap	Derivative Liability Fair Value Gross Liability Including Not Subject To Master Netting Arrangement DerivativeLiabilityFairValueGrossLiabilityIncludingNotSubjectToMasterNettingArrangement	9759000000	USD
CY2020Q4	us-gaap	Derivative Liability Fair Value Gross Liability Including Not Subject To Master Netting Arrangement DerivativeLiabilityFairValueGrossLiabilityIncludingNotSubjectToMasterNettingArrangement	12650000000	USD
CY2021Q4	us-gaap	Derivative Asset Fair Value Gross Liability DerivativeAssetFairValueGrossLiability	6973000000	USD
CY2020Q4	us-gaap	Derivative Asset Fair Value Gross Liability DerivativeAssetFairValueGrossLiability	8346000000	USD
CY2021Q4	us-gaap	Derivative Liability Fair Value Gross Asset DerivativeLiabilityFairValueGrossAsset	6335000000	USD
CY2020Q4	us-gaap	Derivative Liability Fair Value Gross Asset DerivativeLiabilityFairValueGrossAsset	7845000000	USD
CY2021Q4	us-gaap	Derivative Assets DerivativeAssets	2820000000	USD
CY2020Q4	us-gaap	Derivative Assets DerivativeAssets	3845000000	USD
CY2021Q4	us-gaap	Derivative Liabilities DerivativeLiabilities	3424000000	USD
CY2020Q4	us-gaap	Derivative Liabilities DerivativeLiabilities	4805000000	USD
CY2021Q4	us-gaap	Derivative Asset Collateral Obligation To Return Cash Offset DerivativeAssetCollateralObligationToReturnCashOffset	1424000000	USD
CY2021Q4	us-gaap	Derivative Liability Collateral Right To Reclaim Cash Offset DerivativeLiabilityCollateralRightToReclaimCashOffset	786000000	USD
CY2020Q4	us-gaap	Derivative Asset Collateral Obligation To Return Cash Offset DerivativeAssetCollateralObligationToReturnCashOffset	1552000000	USD
CY2020Q4	us-gaap	Derivative Liability Collateral Right To Reclaim Cash Offset DerivativeLiabilityCollateralRightToReclaimCashOffset	1051000000	USD
CY2021	bk	Foreign Exchange Revenue ForeignExchangeRevenue	799000000	USD
CY2020	bk	Foreign Exchange Revenue ForeignExchangeRevenue	774000000	USD
CY2019	bk	Foreign Exchange Revenue ForeignExchangeRevenue	564000000	USD
CY2021	us-gaap	Trading Gains Losses TradingGainsLosses	6000000	USD
CY2020	us-gaap	Trading Gains Losses TradingGainsLosses	13000000	USD
CY2019	us-gaap	Trading Gains Losses TradingGainsLosses	77000000	USD
CY2021	bk	Value At Risk Confidence Level ValueAtRiskConfidenceLevel	0.99
CY2021Q4	us-gaap	Derivative Net Liability Position Aggregate Fair Value DerivativeNetLiabilityPositionAggregateFairValue	3606000000	USD
CY2020Q4	us-gaap	Derivative Net Liability Position Aggregate Fair Value DerivativeNetLiabilityPositionAggregateFairValue	5235000000	USD
CY2021Q4	us-gaap	Collateral Already Posted Aggregate Fair Value CollateralAlreadyPostedAggregateFairValue	5388000000	USD
CY2020Q4	us-gaap	Collateral Already Posted Aggregate Fair Value CollateralAlreadyPostedAggregateFairValue	5568000000	USD
CY2021Q4	us-gaap	Additional Collateral Aggregate Fair Value AdditionalCollateralAggregateFairValue	71000000	USD
CY2020Q4	us-gaap	Additional Collateral Aggregate Fair Value AdditionalCollateralAggregateFairValue	41000000	USD
CY2021Q4	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	8302000000	USD
CY2021Q4	us-gaap	Derivative Asset Fair Value Gross Liability DerivativeAssetFairValueGrossLiability	6973000000	USD
CY2021Q4	us-gaap	Derivative Fair Value Of Derivative Asset Amount Not Offset Against Collateral DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral	1329000000	USD
CY2021Q4	us-gaap	Derivative Asset Not Offset Policy Election Deduction DerivativeAssetNotOffsetPolicyElectionDeduction	275000000	USD
CY2021Q4	us-gaap	Derivative Collateral Obligation To Return Cash DerivativeCollateralObligationToReturnCash	0	USD
CY2021Q4	us-gaap	Derivative Fair Value Of Derivative Asset Amount Offset Against Collateral DerivativeFairValueOfDerivativeAssetAmountOffsetAgainstCollateral	1054000000	USD
CY2021Q4	us-gaap	Derivative Asset Not Subject To Master Netting Arrangement DerivativeAssetNotSubjectToMasterNettingArrangement	1491000000	USD
CY2021Q4	us-gaap	Derivative Asset Not Subject To Master Netting Arrangement DerivativeAssetNotSubjectToMasterNettingArrangement	1491000000	USD
CY2021Q4	us-gaap	Derivative Asset Not Subject To Master Netting Arrangement DerivativeAssetNotSubjectToMasterNettingArrangement	1491000000	USD
CY2021Q4	us-gaap	Derivative Asset Fair Value Gross Asset Including Not Subject To Master Netting Arrangement DerivativeAssetFairValueGrossAssetIncludingNotSubjectToMasterNettingArrangement	9793000000	USD
CY2021Q4	us-gaap	Derivative Asset Fair Value Gross Liability DerivativeAssetFairValueGrossLiability	6973000000	USD
CY2021Q4	us-gaap	Derivative Assets DerivativeAssets	2820000000	USD
CY2021Q4	us-gaap	Derivative Asset Not Offset Policy Election Deduction DerivativeAssetNotOffsetPolicyElectionDeduction	275000000	USD
CY2021Q4	us-gaap	Derivative Collateral Obligation To Return Cash DerivativeCollateralObligationToReturnCash	0	USD
CY2021Q4	us-gaap	Derivative Asset Fair Value Offset Against Collateral Net Of Not Subject To Master Netting Arrangement Policy Election DerivativeAssetFairValueOffsetAgainstCollateralNetOfNotSubjectToMasterNettingArrangementPolicyElection	2545000000	USD
CY2021Q4	us-gaap	Securities Purchased Under Agreements To Resell Gross SecuritiesPurchasedUnderAgreementsToResellGross	72661000000	USD
CY2021Q4	us-gaap	Securities Purchased Under Agreements To Resell Liability SecuritiesPurchasedUnderAgreementsToResellLiability	54709000000	USD
CY2021Q4	us-gaap	Securities Purchased Under Agreements To Resell SecuritiesPurchasedUnderAgreementsToResell	17952000000	USD
CY2020	us-gaap	Transfer To Other Real Estate TransferToOtherRealEstate	1000000	USD
CY2021Q4	us-gaap	Securities Purchased Under Agreements To Resell Not Offset Policy Election Deduction SecuritiesPurchasedUnderAgreementsToResellNotOffsetPolicyElectionDeduction	17922000000	USD
CY2021Q4	us-gaap	Securities Purchased Under Agreements To Resell Collateral Obligation To Return Cash SecuritiesPurchasedUnderAgreementsToResellCollateralObligationToReturnCash	0	USD
CY2021Q4	us-gaap	Securities Purchased Under Agreements To Resell Offset Against Collateral Net Of Not Subject To Master Netting Arrangement Policy Election SecuritiesPurchasedUnderAgreementsToResellOffsetAgainstCollateralNetOfNotSubjectToMasterNettingArrangementPolicyElection	30000000	USD
CY2021Q4	us-gaap	Securities Borrowed Gross SecuritiesBorrowedGross	11655000000	USD
CY2021Q4	us-gaap	Securities Borrowed SecuritiesBorrowed	11655000000	USD
CY2021Q4	us-gaap	Securities Borrowed Not Offset Policy Election Deduction SecuritiesBorrowedNotOffsetPolicyElectionDeduction	11036000000	USD
CY2021Q4	us-gaap	Securities Borrowed Offset Against Collateral Net Of Not Subject To Master Netting Arrangement Policy Election SecuritiesBorrowedOffsetAgainstCollateralNetOfNotSubjectToMasterNettingArrangementPolicyElection	619000000	USD
CY2021Q4	us-gaap	Derivative Asset Securities Purchased Under Agreements To Resell Securities Borrowed Gross DerivativeAssetSecuritiesPurchasedUnderAgreementsToResellSecuritiesBorrowedGross	94109000000	USD
CY2021Q4	us-gaap	Derivative Asset Securities Purchased Under Agreements To Resell Securities Borrowed Liability DerivativeAssetSecuritiesPurchasedUnderAgreementsToResellSecuritiesBorrowedLiability	61682000000	USD
CY2021Q4	us-gaap	Derivative Asset Securities Purchased Under Agreements To Resell Securities Borrowed DerivativeAssetSecuritiesPurchasedUnderAgreementsToResellSecuritiesBorrowed	32427000000	USD
CY2021Q4	us-gaap	Derivative Asset Securities Purchased Under Agreements To Resell Securities Borrowed Not Offset Policy Election Deduction DerivativeAssetSecuritiesPurchasedUnderAgreementsToResellSecuritiesBorrowedNotOffsetPolicyElectionDeduction	29233000000	USD
CY2021Q4	us-gaap	Derivative Asset Securities Purchased Under Agreements To Resell Securities Borrowed Collateral Obligation To Return Cash DerivativeAssetSecuritiesPurchasedUnderAgreementsToResellSecuritiesBorrowedCollateralObligationToReturnCash	0	USD
CY2021Q4	us-gaap	Derivative Asset Securities Purchased Under Agreements To Resell Securities Borrowed Offset Against Collateral Net Of Not Subject To Master Netting Arrangement Policy Election DerivativeAssetSecuritiesPurchasedUnderAgreementsToResellSecuritiesBorrowedOffsetAgainstCollateralNetOfNotSubjectToMasterNettingArrangementPolicyElection	3194000000	USD
CY2020Q4	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	10102000000	USD
CY2020Q4	us-gaap	Derivative Asset Fair Value Gross Liability DerivativeAssetFairValueGrossLiability	8346000000	USD
CY2020Q4	us-gaap	Derivative Fair Value Of Derivative Asset Amount Not Offset Against Collateral DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral	1756000000	USD
CY2020Q4	us-gaap	Securities Purchased Under Agreements To Resell Collateral Obligation To Return Cash SecuritiesPurchasedUnderAgreementsToResellCollateralObligationToReturnCash	0	USD
CY2020Q4	us-gaap	Securities Purchased Under Agreements To Resell Offset Against Collateral Net Of Not Subject To Master Netting Arrangement Policy Election SecuritiesPurchasedUnderAgreementsToResellOffsetAgainstCollateralNetOfNotSubjectToMasterNettingArrangementPolicyElection	15000000	USD
CY2020Q4	us-gaap	Securities Borrowed Gross SecuritiesBorrowedGross	11640000000	USD
CY2020Q4	us-gaap	Derivative Asset Not Offset Policy Election Deduction DerivativeAssetNotOffsetPolicyElectionDeduction	457000000	USD
CY2020Q4	us-gaap	Derivative Collateral Obligation To Return Cash DerivativeCollateralObligationToReturnCash	0	USD
CY2020Q4	us-gaap	Derivative Fair Value Of Derivative Asset Amount Offset Against Collateral DerivativeFairValueOfDerivativeAssetAmountOffsetAgainstCollateral	1299000000	USD
CY2020Q4	us-gaap	Derivative Asset Not Subject To Master Netting Arrangement DerivativeAssetNotSubjectToMasterNettingArrangement	2089000000	USD
CY2020Q4	us-gaap	Derivative Asset Not Subject To Master Netting Arrangement DerivativeAssetNotSubjectToMasterNettingArrangement	2089000000	USD
CY2020Q4	us-gaap	Derivative Asset Not Subject To Master Netting Arrangement DerivativeAssetNotSubjectToMasterNettingArrangement	2089000000	USD
CY2020Q4	us-gaap	Derivative Asset Fair Value Gross Asset Including Not Subject To Master Netting Arrangement DerivativeAssetFairValueGrossAssetIncludingNotSubjectToMasterNettingArrangement	12191000000	USD
CY2020Q4	us-gaap	Derivative Asset Fair Value Gross Liability DerivativeAssetFairValueGrossLiability	8346000000	USD
CY2020Q4	us-gaap	Derivative Assets DerivativeAssets	3845000000	USD
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CY2020Q4	us-gaap	Derivative Liability Securities Sold Under Agreements To Resell Securities Loaned Offset Against Collateral Net Of Not Subject To Master Netting Arrangement Policy Election DerivativeLiabilitySecuritiesSoldUnderAgreementsToResellSecuritiesLoanedOffsetAgainstCollateralNetOfNotSubjectToMasterNettingArrangementPolicyElection	2592000000	USD
CY2021Q4	us-gaap	Financial Assets Sold Under Agreements To Repurchase Gross Including Not Subject To Master Netting Arrangement FinancialAssetsSoldUnderAgreementsToRepurchaseGrossIncludingNotSubjectToMasterNettingArrangement	64734000000	USD
CY2020Q4	us-gaap	Financial Assets Sold Under Agreements To Repurchase Gross Including Not Subject To Master Netting Arrangement FinancialAssetsSoldUnderAgreementsToRepurchaseGrossIncludingNotSubjectToMasterNettingArrangement	69831000000	USD
CY2021Q4	us-gaap	Securities Loaned Including Not Subject To Master Netting Arrangement And Assets Other Than Securities Transferred SecuritiesLoanedIncludingNotSubjectToMasterNettingArrangementAndAssetsOtherThanSecuritiesTransferred	1541000000	USD
CY2020Q4	us-gaap	Securities Loaned Including Not Subject To Master Netting Arrangement And Assets Other Than Securities Transferred SecuritiesLoanedIncludingNotSubjectToMasterNettingArrangementAndAssetsOtherThanSecuritiesTransferred	1035000000	USD
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CY2020Q4	us-gaap	Secured Borrowings Gross Including Not Subject To Master Netting Arrangement SecuredBorrowingsGrossIncludingNotSubjectToMasterNettingArrangement	70866000000	USD
CY2021	bk	Number Of Principal Businesses NumberOfPrincipalBusinesses	3	business
CY2021Q4	us-gaap	Assets Assets	444438000000	USD
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CY2021	us-gaap	Income Loss Attributable To Parent IncomeLossAttributableToParent	4648000000	USD
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CY2020	us-gaap	Profit Loss ProfitLoss	3626000000	USD
CY2019Q4	us-gaap	Assets Assets	381508000000	USD
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CY2021	bk	Consolidated Noncash Assets Transfer Of Financial Assets Consolidation Of Variable Interest Entities ConsolidatedNoncashAssetsTransferOfFinancialAssetsConsolidationOfVariableInterestEntities	25000000	USD
CY2020	bk	Consolidated Noncash Assets Transfer Of Financial Assets Consolidation Of Variable Interest Entities ConsolidatedNoncashAssetsTransferOfFinancialAssetsConsolidationOfVariableInterestEntities	242000000	USD
CY2019	bk	Consolidated Noncash Assets Transfer Of Financial Assets Consolidation Of Variable Interest Entities ConsolidatedNoncashAssetsTransferOfFinancialAssetsConsolidationOfVariableInterestEntities	16000000	USD
CY2021	bk	Consolidated Noncash Liabilities Transfer Of Financial Assets Consolidation Of Variable Interest Entities ConsolidatedNoncashLiabilitiesTransferOfFinancialAssetsConsolidationOfVariableInterestEntities	0	USD
CY2020	bk	Consolidated Noncash Liabilities Transfer Of Financial Assets Consolidation Of Variable Interest Entities ConsolidatedNoncashLiabilitiesTransferOfFinancialAssetsConsolidationOfVariableInterestEntities	2000000	USD
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CY2021	bk	Consolidated Noncash Noncontrolling Interests Transfer Of Financial Assets Consolidation Of Variable Interest Entities ConsolidatedNoncashNoncontrollingInterestsTransferOfFinancialAssetsConsolidationOfVariableInterestEntities	53000000	USD
CY2020	bk	Consolidated Noncash Noncontrolling Interests Transfer Of Financial Assets Consolidation Of Variable Interest Entities ConsolidatedNoncashNoncontrollingInterestsTransferOfFinancialAssetsConsolidationOfVariableInterestEntities	41000000	USD
CY2019	bk	Consolidated Noncash Noncontrolling Interests Transfer Of Financial Assets Consolidation Of Variable Interest Entities ConsolidatedNoncashNoncontrollingInterestsTransferOfFinancialAssetsConsolidationOfVariableInterestEntities	1000000	USD
CY2021	bk	Securities Not Settled SecuritiesNotSettled	0	USD
CY2020	bk	Securities Not Settled SecuritiesNotSettled	205000000	USD
CY2019	bk	Securities Not Settled SecuritiesNotSettled	497000000	USD
CY2021	bk	Available For Sale Securities Transferred To Held To Maturity AvailableForSaleSecuritiesTransferredToHeldToMaturity	13800000000	USD
CY2020	bk	Available For Sale Securities Transferred To Held To Maturity AvailableForSaleSecuritiesTransferredToHeldToMaturity	501000000	USD
CY2019	bk	Available For Sale Securities Transferred To Held To Maturity AvailableForSaleSecuritiesTransferredToHeldToMaturity	0	USD
CY2021	us-gaap	Right Of Use Asset Obtained In Exchange For Finance Lease Liability RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability	27000000	USD
CY2020	us-gaap	Right Of Use Asset Obtained In Exchange For Finance Lease Liability RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability	10000000	USD
CY2019	us-gaap	Right Of Use Asset Obtained In Exchange For Finance Lease Liability RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability	14000000	USD
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CY2020	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	208000000	USD
CY2019	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	1754000000	USD
CY2021	bk	Investment Redemptions Not Settled InvestmentRedemptionsNotSettled	0	USD
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CY2019	bk	Investment Redemptions Not Settled InvestmentRedemptionsNotSettled	20000000	USD

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2021 Q4 Form 10-K Financial Statement

#000139077722000043 Filed on February 25, 2022

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$BK Bank of New York Mellon Corp Stock $bk

2021 Q4 Form 10-K Financial Statement

#000139077722000043 Filed on February 25, 2022

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$BK
Bank of New York Mellon Corp Stock $bk