Fair Value Measurement- Details of Certain Items Measured at Fair Value on Recurring Basis (Detail) (Fair Value, Measurements, Recurring, USD $) In Millions, unless otherwise specified
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Mar. 31, 2015
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Dec. 31, 2014
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Non-agency RMBS
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Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |
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Available-for-sale |
$ 920us-gaap_InvestmentsFairValueDisclosure / bk_FairValueAssetsAndLiabilitiesComponentsAxis = bk_NonAgencyResidentialMortgageBackedSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember |
[1] |
$ 953us-gaap_InvestmentsFairValueDisclosure / bk_FairValueAssetsAndLiabilitiesComponentsAxis = bk_NonAgencyResidentialMortgageBackedSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember |
[1] |
Non-agency RMBS | 2007
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Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |
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Available-for-sale |
76us-gaap_InvestmentsFairValueDisclosure / bk_FairValueAssetsAndLiabilitiesComponentsAxis = bk_NonAgencyResidentialMortgageBackedSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = bk_OriginationInTwentyZeroSevenMember |
[1] |
78us-gaap_InvestmentsFairValueDisclosure / bk_FairValueAssetsAndLiabilitiesComponentsAxis = bk_NonAgencyResidentialMortgageBackedSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = bk_OriginationInTwentyZeroSevenMember |
[1] |
Non-agency RMBS | 2006
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Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |
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Available-for-sale |
134us-gaap_InvestmentsFairValueDisclosure / bk_FairValueAssetsAndLiabilitiesComponentsAxis = bk_NonAgencyResidentialMortgageBackedSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = bk_OriginationInTwentyZeroSixMember |
[1] |
138us-gaap_InvestmentsFairValueDisclosure / bk_FairValueAssetsAndLiabilitiesComponentsAxis = bk_NonAgencyResidentialMortgageBackedSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = bk_OriginationInTwentyZeroSixMember |
[1] |
Non-agency RMBS | 2005
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Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |
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Available-for-sale |
276us-gaap_InvestmentsFairValueDisclosure / bk_FairValueAssetsAndLiabilitiesComponentsAxis = bk_NonAgencyResidentialMortgageBackedSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = bk_OriginationInTwentyZeroFiveMember |
[1] |
284us-gaap_InvestmentsFairValueDisclosure / bk_FairValueAssetsAndLiabilitiesComponentsAxis = bk_NonAgencyResidentialMortgageBackedSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = bk_OriginationInTwentyZeroFiveMember |
[1] |
Non-agency RMBS | 2004 and earlier
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Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |
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Available-for-sale |
434us-gaap_InvestmentsFairValueDisclosure / bk_FairValueAssetsAndLiabilitiesComponentsAxis = bk_NonAgencyResidentialMortgageBackedSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = bk_OriginationInPreTwentyZeroFiveMember |
[1] |
453us-gaap_InvestmentsFairValueDisclosure / bk_FairValueAssetsAndLiabilitiesComponentsAxis = bk_NonAgencyResidentialMortgageBackedSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = bk_OriginationInPreTwentyZeroFiveMember |
[1] |
Commercial MBS | Domestic
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Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |
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Available-for-sale |
1,784us-gaap_InvestmentsFairValueDisclosure / us-gaap_DebtInstrumentAxis = bk_DomesticMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = us-gaap_CommercialMortgageBackedSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember |
[1] |
1,887us-gaap_InvestmentsFairValueDisclosure / us-gaap_DebtInstrumentAxis = bk_DomesticMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = us-gaap_CommercialMortgageBackedSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember |
[1] |
Commercial MBS | 2009-2015 | Domestic
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Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |
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Available-for-sale |
686us-gaap_InvestmentsFairValueDisclosure / us-gaap_DebtInstrumentAxis = bk_DomesticMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = us-gaap_CommercialMortgageBackedSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = bk_OriginationInTwentyZeroNineToTwentyFifteenMember |
[1] |
639us-gaap_InvestmentsFairValueDisclosure / us-gaap_DebtInstrumentAxis = bk_DomesticMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = us-gaap_CommercialMortgageBackedSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = bk_OriginationInTwentyZeroNineToTwentyFifteenMember |
[1] |
Commercial MBS | 2008 | Domestic
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Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |
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Available-for-sale |
19us-gaap_InvestmentsFairValueDisclosure / us-gaap_DebtInstrumentAxis = bk_DomesticMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = us-gaap_CommercialMortgageBackedSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = bk_OriginationInTwentyZeroEightMember |
[1] |
19us-gaap_InvestmentsFairValueDisclosure / us-gaap_DebtInstrumentAxis = bk_DomesticMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = us-gaap_CommercialMortgageBackedSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = bk_OriginationInTwentyZeroEightMember |
[1] |
Commercial MBS | 2007 | Domestic
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Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |
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Available-for-sale |
349us-gaap_InvestmentsFairValueDisclosure / us-gaap_DebtInstrumentAxis = bk_DomesticMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = us-gaap_CommercialMortgageBackedSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = bk_OriginationInTwentyZeroSevenMember |
[1] |
353us-gaap_InvestmentsFairValueDisclosure / us-gaap_DebtInstrumentAxis = bk_DomesticMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = us-gaap_CommercialMortgageBackedSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = bk_OriginationInTwentyZeroSevenMember |
[1] |
Commercial MBS | 2006 | Domestic
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Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |
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Available-for-sale |
545us-gaap_InvestmentsFairValueDisclosure / us-gaap_DebtInstrumentAxis = bk_DomesticMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = us-gaap_CommercialMortgageBackedSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = bk_OriginationInTwentyZeroSixMember |
[1] |
599us-gaap_InvestmentsFairValueDisclosure / us-gaap_DebtInstrumentAxis = bk_DomesticMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = us-gaap_CommercialMortgageBackedSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = bk_OriginationInTwentyZeroSixMember |
[1] |
Commercial MBS | 2005 | Domestic
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Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |
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Available-for-sale |
179us-gaap_InvestmentsFairValueDisclosure / us-gaap_DebtInstrumentAxis = bk_DomesticMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = us-gaap_CommercialMortgageBackedSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = bk_OriginationInTwentyZeroFiveMember |
[1] |
271us-gaap_InvestmentsFairValueDisclosure / us-gaap_DebtInstrumentAxis = bk_DomesticMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = us-gaap_CommercialMortgageBackedSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = bk_OriginationInTwentyZeroFiveMember |
[1] |
Commercial MBS | 2004 and earlier | Domestic
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Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |
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Available-for-sale |
6us-gaap_InvestmentsFairValueDisclosure / us-gaap_DebtInstrumentAxis = bk_DomesticMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = us-gaap_CommercialMortgageBackedSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = bk_OriginationInPreTwentyZeroFiveMember |
[1] |
6us-gaap_InvestmentsFairValueDisclosure / us-gaap_DebtInstrumentAxis = bk_DomesticMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = us-gaap_CommercialMortgageBackedSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = bk_OriginationInPreTwentyZeroFiveMember |
[1] |
Foreign covered bonds
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Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |
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Available-for-sale |
2,808us-gaap_InvestmentsFairValueDisclosure / bk_FairValueAssetsAndLiabilitiesComponentsAxis = bk_ForeignCoveredBondsMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember |
[1] |
2,868us-gaap_InvestmentsFairValueDisclosure / bk_FairValueAssetsAndLiabilitiesComponentsAxis = bk_ForeignCoveredBondsMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember |
[1] |
Foreign covered bonds | Canada
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Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |
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Available-for-sale |
1,394us-gaap_InvestmentsFairValueDisclosure / bk_FairValueAssetsAndLiabilitiesComponentsAxis = bk_ForeignCoveredBondsMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = country_CA |
[1] |
1,266us-gaap_InvestmentsFairValueDisclosure / bk_FairValueAssetsAndLiabilitiesComponentsAxis = bk_ForeignCoveredBondsMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = country_CA |
[1] |
Foreign covered bonds | United Kingdom
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Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |
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Available-for-sale |
604us-gaap_InvestmentsFairValueDisclosure / bk_FairValueAssetsAndLiabilitiesComponentsAxis = bk_ForeignCoveredBondsMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = country_GB |
[1] |
690us-gaap_InvestmentsFairValueDisclosure / bk_FairValueAssetsAndLiabilitiesComponentsAxis = bk_ForeignCoveredBondsMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = country_GB |
[1] |
Foreign covered bonds | Netherlands
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Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |
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Available-for-sale |
215us-gaap_InvestmentsFairValueDisclosure / bk_FairValueAssetsAndLiabilitiesComponentsAxis = bk_ForeignCoveredBondsMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = country_NL |
[1] |
244us-gaap_InvestmentsFairValueDisclosure / bk_FairValueAssetsAndLiabilitiesComponentsAxis = bk_ForeignCoveredBondsMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = country_NL |
[1] |
Foreign covered bonds | Other
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Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |
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Available-for-sale |
595us-gaap_InvestmentsFairValueDisclosure / bk_FairValueAssetsAndLiabilitiesComponentsAxis = bk_ForeignCoveredBondsMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = bk_OtherCountriesMember |
[1] |
668us-gaap_InvestmentsFairValueDisclosure / bk_FairValueAssetsAndLiabilitiesComponentsAxis = bk_ForeignCoveredBondsMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = bk_OtherCountriesMember |
[1] |
Sovereign debt/sovereign guaranteed
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Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |
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Available-for-sale |
15,243us-gaap_InvestmentsFairValueDisclosure / bk_FairValueAssetsAndLiabilitiesComponentsAxis = us-gaap_SovereignDebtSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember |
[1] |
17,284us-gaap_InvestmentsFairValueDisclosure / bk_FairValueAssetsAndLiabilitiesComponentsAxis = us-gaap_SovereignDebtSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember |
[1] |
Sovereign debt/sovereign guaranteed | United Kingdom
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Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |
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Available-for-sale |
2,858us-gaap_InvestmentsFairValueDisclosure / bk_FairValueAssetsAndLiabilitiesComponentsAxis = us-gaap_SovereignDebtSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = country_GB |
[1] |
5,076us-gaap_InvestmentsFairValueDisclosure / bk_FairValueAssetsAndLiabilitiesComponentsAxis = us-gaap_SovereignDebtSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = country_GB |
[1] |
Sovereign debt/sovereign guaranteed | France
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Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |
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Available-for-sale |
4,252us-gaap_InvestmentsFairValueDisclosure / bk_FairValueAssetsAndLiabilitiesComponentsAxis = us-gaap_SovereignDebtSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = country_FR |
[1] |
3,550us-gaap_InvestmentsFairValueDisclosure / bk_FairValueAssetsAndLiabilitiesComponentsAxis = us-gaap_SovereignDebtSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = country_FR |
[1] |
Sovereign debt/sovereign guaranteed | Netherlands
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Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |
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Available-for-sale |
1,237us-gaap_InvestmentsFairValueDisclosure / bk_FairValueAssetsAndLiabilitiesComponentsAxis = us-gaap_SovereignDebtSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = country_NL |
[1] |
1,800us-gaap_InvestmentsFairValueDisclosure / bk_FairValueAssetsAndLiabilitiesComponentsAxis = us-gaap_SovereignDebtSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = country_NL |
[1] |
Sovereign debt/sovereign guaranteed | BELGIUM
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Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |
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Available-for-sale |
1,058us-gaap_InvestmentsFairValueDisclosure / bk_FairValueAssetsAndLiabilitiesComponentsAxis = us-gaap_SovereignDebtSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = country_BE |
[1] |
829us-gaap_InvestmentsFairValueDisclosure / bk_FairValueAssetsAndLiabilitiesComponentsAxis = us-gaap_SovereignDebtSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = country_BE |
[1] |
Sovereign debt/sovereign guaranteed | Ireland
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Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |
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Available-for-sale |
802us-gaap_InvestmentsFairValueDisclosure / bk_FairValueAssetsAndLiabilitiesComponentsAxis = us-gaap_SovereignDebtSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = country_IE |
[1] |
672us-gaap_InvestmentsFairValueDisclosure / bk_FairValueAssetsAndLiabilitiesComponentsAxis = us-gaap_SovereignDebtSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = country_IE |
[1] |
Sovereign debt/sovereign guaranteed | Spain
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Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |
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Available-for-sale |
1,817us-gaap_InvestmentsFairValueDisclosure / bk_FairValueAssetsAndLiabilitiesComponentsAxis = us-gaap_SovereignDebtSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = country_ES |
[1] |
1,978us-gaap_InvestmentsFairValueDisclosure / bk_FairValueAssetsAndLiabilitiesComponentsAxis = us-gaap_SovereignDebtSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = country_ES |
[1] |
Sovereign debt/sovereign guaranteed | Germany
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Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |
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Available-for-sale |
1,548us-gaap_InvestmentsFairValueDisclosure / bk_FairValueAssetsAndLiabilitiesComponentsAxis = us-gaap_SovereignDebtSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = country_DE |
[1] |
1,522us-gaap_InvestmentsFairValueDisclosure / bk_FairValueAssetsAndLiabilitiesComponentsAxis = us-gaap_SovereignDebtSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = country_DE |
[1] |
Sovereign debt/sovereign guaranteed | Italy
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Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |
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Available-for-sale |
1,252us-gaap_InvestmentsFairValueDisclosure / bk_FairValueAssetsAndLiabilitiesComponentsAxis = us-gaap_SovereignDebtSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = country_IT |
[1] |
1,427us-gaap_InvestmentsFairValueDisclosure / bk_FairValueAssetsAndLiabilitiesComponentsAxis = us-gaap_SovereignDebtSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = country_IT |
[1] |
Sovereign debt/sovereign guaranteed | Other
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Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |
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Available-for-sale |
419us-gaap_InvestmentsFairValueDisclosure / bk_FairValueAssetsAndLiabilitiesComponentsAxis = us-gaap_SovereignDebtSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = bk_OtherCountriesMember |
[1] |
430us-gaap_InvestmentsFairValueDisclosure / bk_FairValueAssetsAndLiabilitiesComponentsAxis = us-gaap_SovereignDebtSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = bk_OtherCountriesMember |
[1] |
Alt-A RMBS
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Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |
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Available-for-sale |
2,138us-gaap_InvestmentsFairValueDisclosure / bk_FairValueAssetsAndLiabilitiesComponentsAxis = bk_GrantorTrustAltResidentialMortgageBackedSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember |
[1],[2] |
2,214us-gaap_InvestmentsFairValueDisclosure / bk_FairValueAssetsAndLiabilitiesComponentsAxis = bk_GrantorTrustAltResidentialMortgageBackedSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember |
[1],[2] |
Alt-A RMBS | 2007
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Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |
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Available-for-sale |
599us-gaap_InvestmentsFairValueDisclosure / bk_FairValueAssetsAndLiabilitiesComponentsAxis = bk_GrantorTrustAltResidentialMortgageBackedSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = bk_OriginationInTwentyZeroSevenMember |
[1],[2] |
620us-gaap_InvestmentsFairValueDisclosure / bk_FairValueAssetsAndLiabilitiesComponentsAxis = bk_GrantorTrustAltResidentialMortgageBackedSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = bk_OriginationInTwentyZeroSevenMember |
[1],[2] |
Alt-A RMBS | 2006
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Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |
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Available-for-sale |
627us-gaap_InvestmentsFairValueDisclosure / bk_FairValueAssetsAndLiabilitiesComponentsAxis = bk_GrantorTrustAltResidentialMortgageBackedSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = bk_OriginationInTwentyZeroSixMember |
[1],[2] |
653us-gaap_InvestmentsFairValueDisclosure / bk_FairValueAssetsAndLiabilitiesComponentsAxis = bk_GrantorTrustAltResidentialMortgageBackedSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = bk_OriginationInTwentyZeroSixMember |
[1],[2] |
Alt-A RMBS | 2005
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Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |
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Available-for-sale |
706us-gaap_InvestmentsFairValueDisclosure / bk_FairValueAssetsAndLiabilitiesComponentsAxis = bk_GrantorTrustAltResidentialMortgageBackedSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = bk_OriginationInTwentyZeroFiveMember |
[1],[2] |
727us-gaap_InvestmentsFairValueDisclosure / bk_FairValueAssetsAndLiabilitiesComponentsAxis = bk_GrantorTrustAltResidentialMortgageBackedSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = bk_OriginationInTwentyZeroFiveMember |
[1],[2] |
Alt-A RMBS | 2004 and earlier
|
|
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |
|
|
|
|
Available-for-sale |
206us-gaap_InvestmentsFairValueDisclosure / bk_FairValueAssetsAndLiabilitiesComponentsAxis = bk_GrantorTrustAltResidentialMortgageBackedSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = bk_OriginationInPreTwentyZeroFiveMember |
[1],[2] |
214us-gaap_InvestmentsFairValueDisclosure / bk_FairValueAssetsAndLiabilitiesComponentsAxis = bk_GrantorTrustAltResidentialMortgageBackedSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = bk_OriginationInPreTwentyZeroFiveMember |
[1],[2] |
Securities available-for-sale | European floating rate notes
|
|
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |
|
|
|
|
Available-for-sale |
1,452us-gaap_InvestmentsFairValueDisclosure / bk_FairValueAssetsAndLiabilitiesByMajorTypesAxis = us-gaap_AvailableforsaleSecuritiesMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = bk_EuropeanFloatingRateNotesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember |
[1] |
1,637us-gaap_InvestmentsFairValueDisclosure / bk_FairValueAssetsAndLiabilitiesByMajorTypesAxis = us-gaap_AvailableforsaleSecuritiesMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = bk_EuropeanFloatingRateNotesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember |
[1] |
Securities available-for-sale | European floating rate notes | United Kingdom
|
|
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |
|
|
|
|
Available-for-sale |
1,052us-gaap_InvestmentsFairValueDisclosure / bk_FairValueAssetsAndLiabilitiesByMajorTypesAxis = us-gaap_AvailableforsaleSecuritiesMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = bk_EuropeanFloatingRateNotesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = country_GB |
[1] |
1,172us-gaap_InvestmentsFairValueDisclosure / bk_FairValueAssetsAndLiabilitiesByMajorTypesAxis = us-gaap_AvailableforsaleSecuritiesMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = bk_EuropeanFloatingRateNotesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = country_GB |
[1] |
Securities available-for-sale | European floating rate notes | Netherlands
|
|
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |
|
|
|
|
Available-for-sale |
250us-gaap_InvestmentsFairValueDisclosure / bk_FairValueAssetsAndLiabilitiesByMajorTypesAxis = us-gaap_AvailableforsaleSecuritiesMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = bk_EuropeanFloatingRateNotesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = country_NL |
[1] |
296us-gaap_InvestmentsFairValueDisclosure / bk_FairValueAssetsAndLiabilitiesByMajorTypesAxis = us-gaap_AvailableforsaleSecuritiesMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = bk_EuropeanFloatingRateNotesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = country_NL |
[1] |
Securities available-for-sale | European floating rate notes | Ireland
|
|
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |
|
|
|
|
Available-for-sale |
129us-gaap_InvestmentsFairValueDisclosure / bk_FairValueAssetsAndLiabilitiesByMajorTypesAxis = us-gaap_AvailableforsaleSecuritiesMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = bk_EuropeanFloatingRateNotesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = country_IE |
[1] |
144us-gaap_InvestmentsFairValueDisclosure / bk_FairValueAssetsAndLiabilitiesByMajorTypesAxis = us-gaap_AvailableforsaleSecuritiesMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = bk_EuropeanFloatingRateNotesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = country_IE |
[1] |
Securities available-for-sale | European floating rate notes | Other
|
|
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |
|
|
|
|
Available-for-sale |
$ 21us-gaap_InvestmentsFairValueDisclosure / bk_FairValueAssetsAndLiabilitiesByMajorTypesAxis = us-gaap_AvailableforsaleSecuritiesMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = bk_EuropeanFloatingRateNotesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = bk_OtherCountriesMember |
[1] |
$ 25us-gaap_InvestmentsFairValueDisclosure / bk_FairValueAssetsAndLiabilitiesByMajorTypesAxis = us-gaap_AvailableforsaleSecuritiesMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = bk_EuropeanFloatingRateNotesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = bk_OtherCountriesMember |
[1] |
Ratings, AAA/AA- | Non-agency RMBS
|
|
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |
|
|
|
|
Percentage Of Fair Value (percent) |
1.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_AaaAndAaMinusCreditRatingMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = bk_NonAgencyResidentialMortgageBackedSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember |
|
1.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_AaaAndAaMinusCreditRatingMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = bk_NonAgencyResidentialMortgageBackedSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember |
|
Ratings, AAA/AA- | Non-agency RMBS | 2004 and earlier
|
|
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |
|
|
|
|
Percentage Of Fair Value (percent) |
3.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_AaaAndAaMinusCreditRatingMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = bk_NonAgencyResidentialMortgageBackedSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = bk_OriginationInPreTwentyZeroFiveMember |
|
3.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_AaaAndAaMinusCreditRatingMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = bk_NonAgencyResidentialMortgageBackedSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = bk_OriginationInPreTwentyZeroFiveMember |
|
Ratings, AAA/AA- | Commercial MBS | Domestic
|
|
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |
|
|
|
|
Percentage Of Fair Value (percent) |
81.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_AaaAndAaMinusCreditRatingMember / us-gaap_DebtInstrumentAxis = bk_DomesticMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = us-gaap_CommercialMortgageBackedSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember |
|
82.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_AaaAndAaMinusCreditRatingMember / us-gaap_DebtInstrumentAxis = bk_DomesticMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = us-gaap_CommercialMortgageBackedSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember |
|
Ratings, AAA/AA- | Commercial MBS | 2009-2015 | Domestic
|
|
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |
|
|
|
|
Percentage Of Fair Value (percent) |
84.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_AaaAndAaMinusCreditRatingMember / us-gaap_DebtInstrumentAxis = bk_DomesticMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = us-gaap_CommercialMortgageBackedSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = bk_OriginationInTwentyZeroNineToTwentyFifteenMember |
|
83.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_AaaAndAaMinusCreditRatingMember / us-gaap_DebtInstrumentAxis = bk_DomesticMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = us-gaap_CommercialMortgageBackedSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = bk_OriginationInTwentyZeroNineToTwentyFifteenMember |
|
Ratings, AAA/AA- | Commercial MBS | 2008 | Domestic
|
|
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |
|
|
|
|
Percentage Of Fair Value (percent) |
100.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_AaaAndAaMinusCreditRatingMember / us-gaap_DebtInstrumentAxis = bk_DomesticMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = us-gaap_CommercialMortgageBackedSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = bk_OriginationInTwentyZeroEightMember |
|
100.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_AaaAndAaMinusCreditRatingMember / us-gaap_DebtInstrumentAxis = bk_DomesticMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = us-gaap_CommercialMortgageBackedSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = bk_OriginationInTwentyZeroEightMember |
|
Ratings, AAA/AA- | Commercial MBS | 2007 | Domestic
|
|
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |
|
|
|
|
Percentage Of Fair Value (percent) |
65.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_AaaAndAaMinusCreditRatingMember / us-gaap_DebtInstrumentAxis = bk_DomesticMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = us-gaap_CommercialMortgageBackedSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = bk_OriginationInTwentyZeroSevenMember |
|
65.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_AaaAndAaMinusCreditRatingMember / us-gaap_DebtInstrumentAxis = bk_DomesticMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = us-gaap_CommercialMortgageBackedSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = bk_OriginationInTwentyZeroSevenMember |
|
Ratings, AAA/AA- | Commercial MBS | 2006 | Domestic
|
|
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |
|
|
|
|
Percentage Of Fair Value (percent) |
82.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_AaaAndAaMinusCreditRatingMember / us-gaap_DebtInstrumentAxis = bk_DomesticMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = us-gaap_CommercialMortgageBackedSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = bk_OriginationInTwentyZeroSixMember |
|
83.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_AaaAndAaMinusCreditRatingMember / us-gaap_DebtInstrumentAxis = bk_DomesticMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = us-gaap_CommercialMortgageBackedSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = bk_OriginationInTwentyZeroSixMember |
|
Ratings, AAA/AA- | Commercial MBS | 2005 | Domestic
|
|
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |
|
|
|
|
Percentage Of Fair Value (percent) |
100.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_AaaAndAaMinusCreditRatingMember / us-gaap_DebtInstrumentAxis = bk_DomesticMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = us-gaap_CommercialMortgageBackedSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = bk_OriginationInTwentyZeroFiveMember |
|
100.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_AaaAndAaMinusCreditRatingMember / us-gaap_DebtInstrumentAxis = bk_DomesticMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = us-gaap_CommercialMortgageBackedSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = bk_OriginationInTwentyZeroFiveMember |
|
Ratings, AAA/AA- | Commercial MBS | 2004 and earlier | Domestic
|
|
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |
|
|
|
|
Percentage Of Fair Value (percent) |
100.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_AaaAndAaMinusCreditRatingMember / us-gaap_DebtInstrumentAxis = bk_DomesticMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = us-gaap_CommercialMortgageBackedSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = bk_OriginationInPreTwentyZeroFiveMember |
|
100.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_AaaAndAaMinusCreditRatingMember / us-gaap_DebtInstrumentAxis = bk_DomesticMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = us-gaap_CommercialMortgageBackedSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = bk_OriginationInPreTwentyZeroFiveMember |
|
Ratings, AAA/AA- | Foreign covered bonds
|
|
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |
|
|
|
|
Percentage Of Fair Value (percent) |
100.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_AaaAndAaMinusCreditRatingMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = bk_ForeignCoveredBondsMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember |
|
100.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_AaaAndAaMinusCreditRatingMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = bk_ForeignCoveredBondsMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember |
|
Ratings, AAA/AA- | Foreign covered bonds | Canada
|
|
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |
|
|
|
|
Percentage Of Fair Value (percent) |
100.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_AaaAndAaMinusCreditRatingMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = bk_ForeignCoveredBondsMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = country_CA |
|
100.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_AaaAndAaMinusCreditRatingMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = bk_ForeignCoveredBondsMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = country_CA |
|
Ratings, AAA/AA- | Foreign covered bonds | United Kingdom
|
|
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |
|
|
|
|
Percentage Of Fair Value (percent) |
100.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_AaaAndAaMinusCreditRatingMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = bk_ForeignCoveredBondsMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = country_GB |
|
100.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_AaaAndAaMinusCreditRatingMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = bk_ForeignCoveredBondsMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = country_GB |
|
Ratings, AAA/AA- | Foreign covered bonds | Netherlands
|
|
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |
|
|
|
|
Percentage Of Fair Value (percent) |
100.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_AaaAndAaMinusCreditRatingMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = bk_ForeignCoveredBondsMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = country_NL |
|
100.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_AaaAndAaMinusCreditRatingMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = bk_ForeignCoveredBondsMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = country_NL |
|
Ratings, AAA/AA- | Foreign covered bonds | Other
|
|
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |
|
|
|
|
Percentage Of Fair Value (percent) |
100.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_AaaAndAaMinusCreditRatingMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = bk_ForeignCoveredBondsMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = bk_OtherCountriesMember |
|
100.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_AaaAndAaMinusCreditRatingMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = bk_ForeignCoveredBondsMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = bk_OtherCountriesMember |
|
Ratings, AAA/AA- | Sovereign debt/sovereign guaranteed
|
|
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |
|
|
|
|
Percentage Of Fair Value (percent) |
74.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_AaaAndAaMinusCreditRatingMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = us-gaap_SovereignDebtSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember |
|
76.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_AaaAndAaMinusCreditRatingMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = us-gaap_SovereignDebtSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember |
|
Ratings, AAA/AA- | Sovereign debt/sovereign guaranteed | United Kingdom
|
|
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |
|
|
|
|
Percentage Of Fair Value (percent) |
100.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_AaaAndAaMinusCreditRatingMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = us-gaap_SovereignDebtSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = country_GB |
|
100.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_AaaAndAaMinusCreditRatingMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = us-gaap_SovereignDebtSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = country_GB |
|
Ratings, AAA/AA- | Sovereign debt/sovereign guaranteed | France
|
|
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |
|
|
|
|
Percentage Of Fair Value (percent) |
100.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_AaaAndAaMinusCreditRatingMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = us-gaap_SovereignDebtSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = country_FR |
|
100.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_AaaAndAaMinusCreditRatingMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = us-gaap_SovereignDebtSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = country_FR |
|
Ratings, AAA/AA- | Sovereign debt/sovereign guaranteed | Netherlands
|
|
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |
|
|
|
|
Percentage Of Fair Value (percent) |
100.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_AaaAndAaMinusCreditRatingMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = us-gaap_SovereignDebtSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = country_NL |
|
100.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_AaaAndAaMinusCreditRatingMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = us-gaap_SovereignDebtSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = country_NL |
|
Ratings, AAA/AA- | Sovereign debt/sovereign guaranteed | BELGIUM
|
|
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |
|
|
|
|
Percentage Of Fair Value (percent) |
100.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_AaaAndAaMinusCreditRatingMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = us-gaap_SovereignDebtSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = country_BE |
|
100.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_AaaAndAaMinusCreditRatingMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = us-gaap_SovereignDebtSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = country_BE |
|
Ratings, AAA/AA- | Sovereign debt/sovereign guaranteed | Germany
|
|
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |
|
|
|
|
Percentage Of Fair Value (percent) |
100.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_AaaAndAaMinusCreditRatingMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = us-gaap_SovereignDebtSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = country_DE |
|
100.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_AaaAndAaMinusCreditRatingMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = us-gaap_SovereignDebtSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = country_DE |
|
Ratings, AAA/AA- | Sovereign debt/sovereign guaranteed | Other
|
|
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |
|
|
|
|
Percentage Of Fair Value (percent) |
83.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_AaaAndAaMinusCreditRatingMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = us-gaap_SovereignDebtSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = bk_OtherCountriesMember |
|
81.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_AaaAndAaMinusCreditRatingMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = us-gaap_SovereignDebtSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = bk_OtherCountriesMember |
|
Ratings, AAA/AA- | Securities available-for-sale | European floating rate notes
|
|
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |
|
|
|
|
Percentage Of Fair Value (percent) |
79.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_AaaAndAaMinusCreditRatingMember / bk_FairValueAssetsAndLiabilitiesByMajorTypesAxis = us-gaap_AvailableforsaleSecuritiesMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = bk_EuropeanFloatingRateNotesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember |
|
79.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_AaaAndAaMinusCreditRatingMember / bk_FairValueAssetsAndLiabilitiesByMajorTypesAxis = us-gaap_AvailableforsaleSecuritiesMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = bk_EuropeanFloatingRateNotesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember |
|
Ratings, AAA/AA- | Securities available-for-sale | European floating rate notes | United Kingdom
|
|
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |
|
|
|
|
Percentage Of Fair Value (percent) |
83.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_AaaAndAaMinusCreditRatingMember / bk_FairValueAssetsAndLiabilitiesByMajorTypesAxis = us-gaap_AvailableforsaleSecuritiesMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = bk_EuropeanFloatingRateNotesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = country_GB |
|
83.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_AaaAndAaMinusCreditRatingMember / bk_FairValueAssetsAndLiabilitiesByMajorTypesAxis = us-gaap_AvailableforsaleSecuritiesMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = bk_EuropeanFloatingRateNotesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = country_GB |
|
Ratings, AAA/AA- | Securities available-for-sale | European floating rate notes | Netherlands
|
|
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |
|
|
|
|
Percentage Of Fair Value (percent) |
100.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_AaaAndAaMinusCreditRatingMember / bk_FairValueAssetsAndLiabilitiesByMajorTypesAxis = us-gaap_AvailableforsaleSecuritiesMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = bk_EuropeanFloatingRateNotesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = country_NL |
|
100.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_AaaAndAaMinusCreditRatingMember / bk_FairValueAssetsAndLiabilitiesByMajorTypesAxis = us-gaap_AvailableforsaleSecuritiesMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = bk_EuropeanFloatingRateNotesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = country_NL |
|
Ratings, AAA/AA- | Securities available-for-sale | European floating rate notes | Ireland
|
|
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |
|
|
|
|
Percentage Of Fair Value (percent) |
|
|
0.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_AaaAndAaMinusCreditRatingMember / bk_FairValueAssetsAndLiabilitiesByMajorTypesAxis = us-gaap_AvailableforsaleSecuritiesMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = bk_EuropeanFloatingRateNotesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = country_IE |
|
Ratings, AAA/AA- | Securities available-for-sale | European floating rate notes | Other
|
|
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |
|
|
|
|
Percentage Of Fair Value (percent) |
100.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_AaaAndAaMinusCreditRatingMember / bk_FairValueAssetsAndLiabilitiesByMajorTypesAxis = us-gaap_AvailableforsaleSecuritiesMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = bk_EuropeanFloatingRateNotesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = bk_OtherCountriesMember |
|
99.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_AaaAndAaMinusCreditRatingMember / bk_FairValueAssetsAndLiabilitiesByMajorTypesAxis = us-gaap_AvailableforsaleSecuritiesMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = bk_EuropeanFloatingRateNotesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = bk_OtherCountriesMember |
|
Ratings, A+/A- | Non-agency RMBS
|
|
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |
|
|
|
|
Percentage Of Fair Value (percent) |
8.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_PlusAndMinusCreditRatingMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = bk_NonAgencyResidentialMortgageBackedSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember |
|
9.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_PlusAndMinusCreditRatingMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = bk_NonAgencyResidentialMortgageBackedSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember |
|
Ratings, A+/A- | Non-agency RMBS | 2005
|
|
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |
|
|
|
|
Percentage Of Fair Value (percent) |
21.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_PlusAndMinusCreditRatingMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = bk_NonAgencyResidentialMortgageBackedSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = bk_OriginationInTwentyZeroFiveMember |
|
21.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_PlusAndMinusCreditRatingMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = bk_NonAgencyResidentialMortgageBackedSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = bk_OriginationInTwentyZeroFiveMember |
|
Ratings, A+/A- | Non-agency RMBS | 2004 and earlier
|
|
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |
|
|
|
|
Percentage Of Fair Value (percent) |
5.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_PlusAndMinusCreditRatingMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = bk_NonAgencyResidentialMortgageBackedSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = bk_OriginationInPreTwentyZeroFiveMember |
|
5.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_PlusAndMinusCreditRatingMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = bk_NonAgencyResidentialMortgageBackedSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = bk_OriginationInPreTwentyZeroFiveMember |
|
Ratings, A+/A- | Commercial MBS | Domestic
|
|
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |
|
|
|
|
Percentage Of Fair Value (percent) |
16.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_PlusAndMinusCreditRatingMember / us-gaap_DebtInstrumentAxis = bk_DomesticMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = us-gaap_CommercialMortgageBackedSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember |
|
15.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_PlusAndMinusCreditRatingMember / us-gaap_DebtInstrumentAxis = bk_DomesticMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = us-gaap_CommercialMortgageBackedSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember |
|
Ratings, A+/A- | Commercial MBS | 2009-2015 | Domestic
|
|
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |
|
|
|
|
Percentage Of Fair Value (percent) |
16.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_PlusAndMinusCreditRatingMember / us-gaap_DebtInstrumentAxis = bk_DomesticMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = us-gaap_CommercialMortgageBackedSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = bk_OriginationInTwentyZeroNineToTwentyFifteenMember |
|
17.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_PlusAndMinusCreditRatingMember / us-gaap_DebtInstrumentAxis = bk_DomesticMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = us-gaap_CommercialMortgageBackedSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = bk_OriginationInTwentyZeroNineToTwentyFifteenMember |
|
Ratings, A+/A- | Commercial MBS | 2008 | Domestic
|
|
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |
|
|
|
|
Percentage Of Fair Value (percent) |
|
|
0.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_PlusAndMinusCreditRatingMember / us-gaap_DebtInstrumentAxis = bk_DomesticMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = us-gaap_CommercialMortgageBackedSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = bk_OriginationInTwentyZeroEightMember |
|
Ratings, A+/A- | Commercial MBS | 2007 | Domestic
|
|
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |
|
|
|
|
Percentage Of Fair Value (percent) |
21.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_PlusAndMinusCreditRatingMember / us-gaap_DebtInstrumentAxis = bk_DomesticMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = us-gaap_CommercialMortgageBackedSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = bk_OriginationInTwentyZeroSevenMember |
|
21.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_PlusAndMinusCreditRatingMember / us-gaap_DebtInstrumentAxis = bk_DomesticMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = us-gaap_CommercialMortgageBackedSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = bk_OriginationInTwentyZeroSevenMember |
|
Ratings, A+/A- | Commercial MBS | 2006 | Domestic
|
|
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |
|
|
|
|
Percentage Of Fair Value (percent) |
18.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_PlusAndMinusCreditRatingMember / us-gaap_DebtInstrumentAxis = bk_DomesticMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = us-gaap_CommercialMortgageBackedSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = bk_OriginationInTwentyZeroSixMember |
|
17.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_PlusAndMinusCreditRatingMember / us-gaap_DebtInstrumentAxis = bk_DomesticMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = us-gaap_CommercialMortgageBackedSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = bk_OriginationInTwentyZeroSixMember |
|
Ratings, A+/A- | Commercial MBS | 2004 and earlier | Domestic
|
|
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |
|
|
|
|
Percentage Of Fair Value (percent) |
|
|
0.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_PlusAndMinusCreditRatingMember / us-gaap_DebtInstrumentAxis = bk_DomesticMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = us-gaap_CommercialMortgageBackedSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = bk_OriginationInPreTwentyZeroFiveMember |
|
Ratings, A+/A- | Sovereign debt/sovereign guaranteed
|
|
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |
|
|
|
|
Percentage Of Fair Value (percent) |
1.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_PlusAndMinusCreditRatingMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = us-gaap_SovereignDebtSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember |
|
|
|
Ratings, A+/A- | Sovereign debt/sovereign guaranteed | Ireland
|
|
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |
|
|
|
|
Percentage Of Fair Value (percent) |
17.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_PlusAndMinusCreditRatingMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = us-gaap_SovereignDebtSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = country_IE |
|
|
|
Ratings, A+/A- | Alt-A RMBS
|
|
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |
|
|
|
|
Percentage Of Fair Value (percent) |
1.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_PlusAndMinusCreditRatingMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = bk_GrantorTrustAltResidentialMortgageBackedSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember |
[2] |
1.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_PlusAndMinusCreditRatingMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = bk_GrantorTrustAltResidentialMortgageBackedSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember |
[2] |
Ratings, A+/A- | Alt-A RMBS | 2005
|
|
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |
|
|
|
|
Percentage Of Fair Value (percent) |
3.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_PlusAndMinusCreditRatingMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = bk_GrantorTrustAltResidentialMortgageBackedSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = bk_OriginationInTwentyZeroFiveMember |
[2] |
3.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_PlusAndMinusCreditRatingMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = bk_GrantorTrustAltResidentialMortgageBackedSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = bk_OriginationInTwentyZeroFiveMember |
[2] |
Ratings, A+/A- | Alt-A RMBS | 2004 and earlier
|
|
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |
|
|
|
|
Percentage Of Fair Value (percent) |
4.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_PlusAndMinusCreditRatingMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = bk_GrantorTrustAltResidentialMortgageBackedSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = bk_OriginationInPreTwentyZeroFiveMember |
[2] |
4.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_PlusAndMinusCreditRatingMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = bk_GrantorTrustAltResidentialMortgageBackedSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = bk_OriginationInPreTwentyZeroFiveMember |
[2] |
Ratings, A+/A- | Securities available-for-sale | European floating rate notes
|
|
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |
|
|
|
|
Percentage Of Fair Value (percent) |
12.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_PlusAndMinusCreditRatingMember / bk_FairValueAssetsAndLiabilitiesByMajorTypesAxis = us-gaap_AvailableforsaleSecuritiesMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = bk_EuropeanFloatingRateNotesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember |
|
12.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_PlusAndMinusCreditRatingMember / bk_FairValueAssetsAndLiabilitiesByMajorTypesAxis = us-gaap_AvailableforsaleSecuritiesMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = bk_EuropeanFloatingRateNotesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember |
|
Ratings, A+/A- | Securities available-for-sale | European floating rate notes | United Kingdom
|
|
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |
|
|
|
|
Percentage Of Fair Value (percent) |
17.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_PlusAndMinusCreditRatingMember / bk_FairValueAssetsAndLiabilitiesByMajorTypesAxis = us-gaap_AvailableforsaleSecuritiesMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = bk_EuropeanFloatingRateNotesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = country_GB |
|
17.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_PlusAndMinusCreditRatingMember / bk_FairValueAssetsAndLiabilitiesByMajorTypesAxis = us-gaap_AvailableforsaleSecuritiesMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = bk_EuropeanFloatingRateNotesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = country_GB |
|
Ratings, A+/A- | Securities available-for-sale | European floating rate notes | Other
|
|
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |
|
|
|
|
Percentage Of Fair Value (percent) |
0.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_PlusAndMinusCreditRatingMember / bk_FairValueAssetsAndLiabilitiesByMajorTypesAxis = us-gaap_AvailableforsaleSecuritiesMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = bk_EuropeanFloatingRateNotesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = bk_OtherCountriesMember |
|
1.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_PlusAndMinusCreditRatingMember / bk_FairValueAssetsAndLiabilitiesByMajorTypesAxis = us-gaap_AvailableforsaleSecuritiesMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = bk_EuropeanFloatingRateNotesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = bk_OtherCountriesMember |
|
Ratings, BBB+/BBB- | Non-agency RMBS
|
|
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |
|
|
|
|
Percentage Of Fair Value (percent) |
19.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_BBBPlusAndBBBMinusCreditRatingMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = bk_NonAgencyResidentialMortgageBackedSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember |
|
19.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_BBBPlusAndBBBMinusCreditRatingMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = bk_NonAgencyResidentialMortgageBackedSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember |
|
Ratings, BBB+/BBB- | Non-agency RMBS | 2007
|
|
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |
|
|
|
|
Percentage Of Fair Value (percent) |
|
|
0.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_BBBPlusAndBBBMinusCreditRatingMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = bk_NonAgencyResidentialMortgageBackedSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = bk_OriginationInTwentyZeroSevenMember |
|
Ratings, BBB+/BBB- | Non-agency RMBS | 2005
|
|
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |
|
|
|
|
Percentage Of Fair Value (percent) |
18.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_BBBPlusAndBBBMinusCreditRatingMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = bk_NonAgencyResidentialMortgageBackedSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = bk_OriginationInTwentyZeroFiveMember |
|
19.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_BBBPlusAndBBBMinusCreditRatingMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = bk_NonAgencyResidentialMortgageBackedSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = bk_OriginationInTwentyZeroFiveMember |
|
Ratings, BBB+/BBB- | Non-agency RMBS | 2004 and earlier
|
|
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |
|
|
|
|
Percentage Of Fair Value (percent) |
27.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_BBBPlusAndBBBMinusCreditRatingMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = bk_NonAgencyResidentialMortgageBackedSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = bk_OriginationInPreTwentyZeroFiveMember |
|
27.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_BBBPlusAndBBBMinusCreditRatingMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = bk_NonAgencyResidentialMortgageBackedSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = bk_OriginationInPreTwentyZeroFiveMember |
|
Ratings, BBB+/BBB- | Commercial MBS | Domestic
|
|
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |
|
|
|
|
Percentage Of Fair Value (percent) |
3.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_BBBPlusAndBBBMinusCreditRatingMember / us-gaap_DebtInstrumentAxis = bk_DomesticMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = us-gaap_CommercialMortgageBackedSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember |
|
3.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_BBBPlusAndBBBMinusCreditRatingMember / us-gaap_DebtInstrumentAxis = bk_DomesticMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = us-gaap_CommercialMortgageBackedSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember |
|
Ratings, BBB+/BBB- | Commercial MBS | 2007 | Domestic
|
|
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |
|
|
|
|
Percentage Of Fair Value (percent) |
14.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_BBBPlusAndBBBMinusCreditRatingMember / us-gaap_DebtInstrumentAxis = bk_DomesticMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = us-gaap_CommercialMortgageBackedSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = bk_OriginationInTwentyZeroSevenMember |
|
14.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_BBBPlusAndBBBMinusCreditRatingMember / us-gaap_DebtInstrumentAxis = bk_DomesticMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = us-gaap_CommercialMortgageBackedSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = bk_OriginationInTwentyZeroSevenMember |
|
Ratings, BBB+/BBB- | Sovereign debt/sovereign guaranteed
|
|
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |
|
|
|
|
Percentage Of Fair Value (percent) |
25.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_BBBPlusAndBBBMinusCreditRatingMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = us-gaap_SovereignDebtSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember |
|
24.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_BBBPlusAndBBBMinusCreditRatingMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = us-gaap_SovereignDebtSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember |
|
Ratings, BBB+/BBB- | Sovereign debt/sovereign guaranteed | Ireland
|
|
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |
|
|
|
|
Percentage Of Fair Value (percent) |
83.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_BBBPlusAndBBBMinusCreditRatingMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = us-gaap_SovereignDebtSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = country_IE |
|
100.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_BBBPlusAndBBBMinusCreditRatingMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = us-gaap_SovereignDebtSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = country_IE |
|
Ratings, BBB+/BBB- | Sovereign debt/sovereign guaranteed | Spain
|
|
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |
|
|
|
|
Percentage Of Fair Value (percent) |
100.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_BBBPlusAndBBBMinusCreditRatingMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = us-gaap_SovereignDebtSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = country_ES |
|
100.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_BBBPlusAndBBBMinusCreditRatingMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = us-gaap_SovereignDebtSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = country_ES |
|
Ratings, BBB+/BBB- | Sovereign debt/sovereign guaranteed | Italy
|
|
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |
|
|
|
|
Percentage Of Fair Value (percent) |
100.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_BBBPlusAndBBBMinusCreditRatingMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = us-gaap_SovereignDebtSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = country_IT |
|
100.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_BBBPlusAndBBBMinusCreditRatingMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = us-gaap_SovereignDebtSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = country_IT |
|
Ratings, BBB+/BBB- | Sovereign debt/sovereign guaranteed | Other
|
|
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |
|
|
|
|
Percentage Of Fair Value (percent) |
17.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_BBBPlusAndBBBMinusCreditRatingMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = us-gaap_SovereignDebtSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = bk_OtherCountriesMember |
|
19.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_BBBPlusAndBBBMinusCreditRatingMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = us-gaap_SovereignDebtSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = bk_OtherCountriesMember |
|
Ratings, BBB+/BBB- | Alt-A RMBS
|
|
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |
|
|
|
|
Percentage Of Fair Value (percent) |
1.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_BBBPlusAndBBBMinusCreditRatingMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = bk_GrantorTrustAltResidentialMortgageBackedSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember |
[2] |
1.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_BBBPlusAndBBBMinusCreditRatingMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = bk_GrantorTrustAltResidentialMortgageBackedSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember |
[2] |
Ratings, BBB+/BBB- | Alt-A RMBS | 2006
|
|
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |
|
|
|
|
Percentage Of Fair Value (percent) |
1.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_BBBPlusAndBBBMinusCreditRatingMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = bk_GrantorTrustAltResidentialMortgageBackedSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = bk_OriginationInTwentyZeroSixMember |
[2] |
1.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_BBBPlusAndBBBMinusCreditRatingMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = bk_GrantorTrustAltResidentialMortgageBackedSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = bk_OriginationInTwentyZeroSixMember |
[2] |
Ratings, BBB+/BBB- | Alt-A RMBS | 2005
|
|
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |
|
|
|
|
Percentage Of Fair Value (percent) |
1.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_BBBPlusAndBBBMinusCreditRatingMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = bk_GrantorTrustAltResidentialMortgageBackedSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = bk_OriginationInTwentyZeroFiveMember |
[2] |
1.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_BBBPlusAndBBBMinusCreditRatingMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = bk_GrantorTrustAltResidentialMortgageBackedSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = bk_OriginationInTwentyZeroFiveMember |
[2] |
Ratings, BBB+/BBB- | Alt-A RMBS | 2004 and earlier
|
|
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |
|
|
|
|
Percentage Of Fair Value (percent) |
7.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_BBBPlusAndBBBMinusCreditRatingMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = bk_GrantorTrustAltResidentialMortgageBackedSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = bk_OriginationInPreTwentyZeroFiveMember |
[2] |
7.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_BBBPlusAndBBBMinusCreditRatingMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = bk_GrantorTrustAltResidentialMortgageBackedSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = bk_OriginationInPreTwentyZeroFiveMember |
[2] |
Ratings, BB+ and lower | Non-agency RMBS
|
|
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |
|
|
|
|
Percentage Of Fair Value (percent) |
72.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_BBPlusAndLowerCreditRatingMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = bk_NonAgencyResidentialMortgageBackedSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember |
|
71.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_BBPlusAndLowerCreditRatingMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = bk_NonAgencyResidentialMortgageBackedSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember |
|
Ratings, BB+ and lower | Non-agency RMBS | 2007
|
|
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |
|
|
|
|
Percentage Of Fair Value (percent) |
100.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_BBPlusAndLowerCreditRatingMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = bk_NonAgencyResidentialMortgageBackedSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = bk_OriginationInTwentyZeroSevenMember |
|
100.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_BBPlusAndLowerCreditRatingMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = bk_NonAgencyResidentialMortgageBackedSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = bk_OriginationInTwentyZeroSevenMember |
|
Ratings, BB+ and lower | Non-agency RMBS | 2006
|
|
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |
|
|
|
|
Percentage Of Fair Value (percent) |
100.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_BBPlusAndLowerCreditRatingMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = bk_NonAgencyResidentialMortgageBackedSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = bk_OriginationInTwentyZeroSixMember |
|
100.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_BBPlusAndLowerCreditRatingMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = bk_NonAgencyResidentialMortgageBackedSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = bk_OriginationInTwentyZeroSixMember |
|
Ratings, BB+ and lower | Non-agency RMBS | 2005
|
|
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |
|
|
|
|
Percentage Of Fair Value (percent) |
61.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_BBPlusAndLowerCreditRatingMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = bk_NonAgencyResidentialMortgageBackedSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = bk_OriginationInTwentyZeroFiveMember |
|
60.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_BBPlusAndLowerCreditRatingMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = bk_NonAgencyResidentialMortgageBackedSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = bk_OriginationInTwentyZeroFiveMember |
|
Ratings, BB+ and lower | Non-agency RMBS | 2004 and earlier
|
|
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |
|
|
|
|
Percentage Of Fair Value (percent) |
65.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_BBPlusAndLowerCreditRatingMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = bk_NonAgencyResidentialMortgageBackedSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = bk_OriginationInPreTwentyZeroFiveMember |
|
65.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_BBPlusAndLowerCreditRatingMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = bk_NonAgencyResidentialMortgageBackedSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = bk_OriginationInPreTwentyZeroFiveMember |
|
Ratings, BB+ and lower | Alt-A RMBS
|
|
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |
|
|
|
|
Percentage Of Fair Value (percent) |
98.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_BBPlusAndLowerCreditRatingMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = bk_GrantorTrustAltResidentialMortgageBackedSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember |
[2] |
98.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_BBPlusAndLowerCreditRatingMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = bk_GrantorTrustAltResidentialMortgageBackedSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember |
[2] |
Ratings, BB+ and lower | Alt-A RMBS | 2007
|
|
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |
|
|
|
|
Percentage Of Fair Value (percent) |
100.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_BBPlusAndLowerCreditRatingMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = bk_GrantorTrustAltResidentialMortgageBackedSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = bk_OriginationInTwentyZeroSevenMember |
[2] |
100.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_BBPlusAndLowerCreditRatingMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = bk_GrantorTrustAltResidentialMortgageBackedSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = bk_OriginationInTwentyZeroSevenMember |
[2] |
Ratings, BB+ and lower | Alt-A RMBS | 2006
|
|
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |
|
|
|
|
Percentage Of Fair Value (percent) |
99.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_BBPlusAndLowerCreditRatingMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = bk_GrantorTrustAltResidentialMortgageBackedSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = bk_OriginationInTwentyZeroSixMember |
[2] |
99.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_BBPlusAndLowerCreditRatingMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = bk_GrantorTrustAltResidentialMortgageBackedSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = bk_OriginationInTwentyZeroSixMember |
[2] |
Ratings, BB+ and lower | Alt-A RMBS | 2005
|
|
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |
|
|
|
|
Percentage Of Fair Value (percent) |
96.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_BBPlusAndLowerCreditRatingMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = bk_GrantorTrustAltResidentialMortgageBackedSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = bk_OriginationInTwentyZeroFiveMember |
[2] |
96.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_BBPlusAndLowerCreditRatingMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = bk_GrantorTrustAltResidentialMortgageBackedSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = bk_OriginationInTwentyZeroFiveMember |
[2] |
Ratings, BB+ and lower | Alt-A RMBS | 2004 and earlier
|
|
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |
|
|
|
|
Percentage Of Fair Value (percent) |
89.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_BBPlusAndLowerCreditRatingMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = bk_GrantorTrustAltResidentialMortgageBackedSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = bk_OriginationInPreTwentyZeroFiveMember |
[2] |
89.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_BBPlusAndLowerCreditRatingMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = bk_GrantorTrustAltResidentialMortgageBackedSecuritiesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = bk_OriginationInPreTwentyZeroFiveMember |
[2] |
Ratings, BB+ and lower | Securities available-for-sale | European floating rate notes
|
|
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |
|
|
|
|
Percentage Of Fair Value (percent) |
9.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_BBPlusAndLowerCreditRatingMember / bk_FairValueAssetsAndLiabilitiesByMajorTypesAxis = us-gaap_AvailableforsaleSecuritiesMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = bk_EuropeanFloatingRateNotesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember |
|
9.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_BBPlusAndLowerCreditRatingMember / bk_FairValueAssetsAndLiabilitiesByMajorTypesAxis = us-gaap_AvailableforsaleSecuritiesMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = bk_EuropeanFloatingRateNotesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember |
|
Ratings, BB+ and lower | Securities available-for-sale | European floating rate notes | Ireland
|
|
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |
|
|
|
|
Percentage Of Fair Value (percent) |
100.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_BBPlusAndLowerCreditRatingMember / bk_FairValueAssetsAndLiabilitiesByMajorTypesAxis = us-gaap_AvailableforsaleSecuritiesMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = bk_EuropeanFloatingRateNotesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = country_IE |
|
100.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_BBPlusAndLowerCreditRatingMember / bk_FairValueAssetsAndLiabilitiesByMajorTypesAxis = us-gaap_AvailableforsaleSecuritiesMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = bk_EuropeanFloatingRateNotesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = country_IE |
|
Ratings, BB+ and lower | Securities available-for-sale | European floating rate notes | Other
|
|
|
|
|
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |
|
|
|
|
Percentage Of Fair Value (percent) |
|
|
0.00%bk_PercentageOfTotalFairValue / us-gaap_ConcentrationRiskByTypeAxis = bk_BBPlusAndLowerCreditRatingMember / bk_FairValueAssetsAndLiabilitiesByMajorTypesAxis = us-gaap_AvailableforsaleSecuritiesMember / bk_FairValueAssetsAndLiabilitiesComponentsAxis = bk_EuropeanFloatingRateNotesMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember / bk_SecuritiesByOriginationAxis = bk_OtherCountriesMember |
|
|
|