Lines of Businesses- Contribution of Segments to Overall Profitability (Detail) (USD $) In Millions, unless otherwise specified
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3 Months Ended |
Mar. 31, 2015
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Dec. 31, 2014
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Mar. 31, 2014
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Segment Reporting Information [Line Items] |
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Fee and other revenue |
$ 3,033us-gaap_NoninterestIncome |
[1] |
$ 2,953us-gaap_NoninterestIncome |
[2] |
$ 2,899us-gaap_NoninterestIncome |
[3] |
Net interest revenue |
728us-gaap_InterestIncomeExpenseNet |
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712us-gaap_InterestIncomeExpenseNet |
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728us-gaap_InterestIncomeExpenseNet |
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Total revenue |
3,761us-gaap_Revenues |
[1] |
3,665us-gaap_Revenues |
[2] |
3,627us-gaap_Revenues |
[3] |
Provision for credit losses |
2bk_ProvisionForRecoveryOfLoanLeaseAndOtherLosses |
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1bk_ProvisionForRecoveryOfLoanLeaseAndOtherLosses |
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(18)bk_ProvisionForRecoveryOfLoanLeaseAndOtherLosses |
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Noninterest expense |
2,700us-gaap_NoninterestExpense |
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3,524us-gaap_NoninterestExpense |
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2,739us-gaap_NoninterestExpense |
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Income before taxes |
1,059us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest |
[1] |
140us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest |
[2] |
906us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest |
[3] |
Pre-tax operating margin (percent) |
28.00%bk_OperatingMarginPercent |
[4] |
4.00%bk_OperatingMarginPercent |
[4] |
25.00%bk_OperatingMarginPercent |
[4] |
Average assets |
374,890bk_SegmentReportingInformationAverageTotalAssets |
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385,232bk_SegmentReportingInformationAverageTotalAssets |
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354,992bk_SegmentReportingInformationAverageTotalAssets |
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Net income attributable to noncontrolling interests |
90us-gaap_NetIncomeLossAttributableToNoncontrollingInterest |
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24us-gaap_NetIncomeLossAttributableToNoncontrollingInterest |
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20us-gaap_NetIncomeLossAttributableToNoncontrollingInterest |
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Investment Management funds |
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Segment Reporting Information [Line Items] |
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Fee and other revenue |
31us-gaap_NoninterestIncome / us-gaap_StatementBusinessSegmentsAxis = bk_InvestmentManagementFundsMember |
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18us-gaap_NoninterestIncome / us-gaap_StatementBusinessSegmentsAxis = bk_InvestmentManagementFundsMember |
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16us-gaap_NoninterestIncome / us-gaap_StatementBusinessSegmentsAxis = bk_InvestmentManagementFundsMember |
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Investment income, net |
121us-gaap_InvestmentIncomeNet / us-gaap_StatementBusinessSegmentsAxis = bk_InvestmentManagementFundsMember |
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42us-gaap_InvestmentIncomeNet / us-gaap_StatementBusinessSegmentsAxis = bk_InvestmentManagementFundsMember |
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36us-gaap_InvestmentIncomeNet / us-gaap_StatementBusinessSegmentsAxis = bk_InvestmentManagementFundsMember |
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Net income attributable to noncontrolling interests |
90us-gaap_NetIncomeLossAttributableToNoncontrollingInterest / us-gaap_StatementBusinessSegmentsAxis = bk_InvestmentManagementFundsMember |
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24us-gaap_NetIncomeLossAttributableToNoncontrollingInterest / us-gaap_StatementBusinessSegmentsAxis = bk_InvestmentManagementFundsMember |
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20us-gaap_NetIncomeLossAttributableToNoncontrollingInterest / us-gaap_StatementBusinessSegmentsAxis = bk_InvestmentManagementFundsMember |
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Investment Management |
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Segment Reporting Information [Line Items] |
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Fee and other revenue |
936us-gaap_NoninterestIncome / us-gaap_StatementBusinessSegmentsAxis = bk_InvestmentManagementSegmentMember |
[1] |
929us-gaap_NoninterestIncome / us-gaap_StatementBusinessSegmentsAxis = bk_InvestmentManagementSegmentMember |
[2] |
900us-gaap_NoninterestIncome / us-gaap_StatementBusinessSegmentsAxis = bk_InvestmentManagementSegmentMember |
[3] |
Net interest revenue |
74us-gaap_InterestIncomeExpenseNet / us-gaap_StatementBusinessSegmentsAxis = bk_InvestmentManagementSegmentMember |
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69us-gaap_InterestIncomeExpenseNet / us-gaap_StatementBusinessSegmentsAxis = bk_InvestmentManagementSegmentMember |
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70us-gaap_InterestIncomeExpenseNet / us-gaap_StatementBusinessSegmentsAxis = bk_InvestmentManagementSegmentMember |
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Total revenue |
1,010us-gaap_Revenues / us-gaap_StatementBusinessSegmentsAxis = bk_InvestmentManagementSegmentMember |
[1] |
998us-gaap_Revenues / us-gaap_StatementBusinessSegmentsAxis = bk_InvestmentManagementSegmentMember |
[2] |
970us-gaap_Revenues / us-gaap_StatementBusinessSegmentsAxis = bk_InvestmentManagementSegmentMember |
[3] |
Provision for credit losses |
0bk_ProvisionForRecoveryOfLoanLeaseAndOtherLosses / us-gaap_StatementBusinessSegmentsAxis = bk_InvestmentManagementSegmentMember |
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0bk_ProvisionForRecoveryOfLoanLeaseAndOtherLosses / us-gaap_StatementBusinessSegmentsAxis = bk_InvestmentManagementSegmentMember |
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0bk_ProvisionForRecoveryOfLoanLeaseAndOtherLosses / us-gaap_StatementBusinessSegmentsAxis = bk_InvestmentManagementSegmentMember |
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Noninterest expense |
746us-gaap_NoninterestExpense / us-gaap_StatementBusinessSegmentsAxis = bk_InvestmentManagementSegmentMember |
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759us-gaap_NoninterestExpense / us-gaap_StatementBusinessSegmentsAxis = bk_InvestmentManagementSegmentMember |
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724us-gaap_NoninterestExpense / us-gaap_StatementBusinessSegmentsAxis = bk_InvestmentManagementSegmentMember |
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Income before taxes |
264us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest / us-gaap_StatementBusinessSegmentsAxis = bk_InvestmentManagementSegmentMember |
[1] |
239us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest / us-gaap_StatementBusinessSegmentsAxis = bk_InvestmentManagementSegmentMember |
[2] |
246us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest / us-gaap_StatementBusinessSegmentsAxis = bk_InvestmentManagementSegmentMember |
[3] |
Pre-tax operating margin (percent) |
26.00%bk_OperatingMarginPercent / us-gaap_StatementBusinessSegmentsAxis = bk_InvestmentManagementSegmentMember |
[4] |
24.00%bk_OperatingMarginPercent / us-gaap_StatementBusinessSegmentsAxis = bk_InvestmentManagementSegmentMember |
[4] |
25.00%bk_OperatingMarginPercent / us-gaap_StatementBusinessSegmentsAxis = bk_InvestmentManagementSegmentMember |
[4] |
Average assets |
37,496bk_SegmentReportingInformationAverageTotalAssets / us-gaap_StatementBusinessSegmentsAxis = bk_InvestmentManagementSegmentMember |
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37,286bk_SegmentReportingInformationAverageTotalAssets / us-gaap_StatementBusinessSegmentsAxis = bk_InvestmentManagementSegmentMember |
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39,463bk_SegmentReportingInformationAverageTotalAssets / us-gaap_StatementBusinessSegmentsAxis = bk_InvestmentManagementSegmentMember |
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Net income attributable to noncontrolling interests |
(90)us-gaap_NetIncomeLossAttributableToNoncontrollingInterest / us-gaap_StatementBusinessSegmentsAxis = bk_InvestmentManagementSegmentMember |
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(24)us-gaap_NetIncomeLossAttributableToNoncontrollingInterest / us-gaap_StatementBusinessSegmentsAxis = bk_InvestmentManagementSegmentMember |
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(20)us-gaap_NetIncomeLossAttributableToNoncontrollingInterest / us-gaap_StatementBusinessSegmentsAxis = bk_InvestmentManagementSegmentMember |
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Investment Services |
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Segment Reporting Information [Line Items] |
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Fee and other revenue |
1,993us-gaap_NoninterestIncome / us-gaap_StatementBusinessSegmentsAxis = bk_InvestmentServicesSegmentMember |
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1,907us-gaap_NoninterestIncome / us-gaap_StatementBusinessSegmentsAxis = bk_InvestmentServicesSegmentMember |
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1,887us-gaap_NoninterestIncome / us-gaap_StatementBusinessSegmentsAxis = bk_InvestmentServicesSegmentMember |
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Net interest revenue |
600us-gaap_InterestIncomeExpenseNet / us-gaap_StatementBusinessSegmentsAxis = bk_InvestmentServicesSegmentMember |
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574us-gaap_InterestIncomeExpenseNet / us-gaap_StatementBusinessSegmentsAxis = bk_InvestmentServicesSegmentMember |
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590us-gaap_InterestIncomeExpenseNet / us-gaap_StatementBusinessSegmentsAxis = bk_InvestmentServicesSegmentMember |
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Total revenue |
2,593us-gaap_Revenues / us-gaap_StatementBusinessSegmentsAxis = bk_InvestmentServicesSegmentMember |
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2,481us-gaap_Revenues / us-gaap_StatementBusinessSegmentsAxis = bk_InvestmentServicesSegmentMember |
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2,477us-gaap_Revenues / us-gaap_StatementBusinessSegmentsAxis = bk_InvestmentServicesSegmentMember |
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Provision for credit losses |
0bk_ProvisionForRecoveryOfLoanLeaseAndOtherLosses / us-gaap_StatementBusinessSegmentsAxis = bk_InvestmentServicesSegmentMember |
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0bk_ProvisionForRecoveryOfLoanLeaseAndOtherLosses / us-gaap_StatementBusinessSegmentsAxis = bk_InvestmentServicesSegmentMember |
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0bk_ProvisionForRecoveryOfLoanLeaseAndOtherLosses / us-gaap_StatementBusinessSegmentsAxis = bk_InvestmentServicesSegmentMember |
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Noninterest expense |
1,838us-gaap_NoninterestExpense / us-gaap_StatementBusinessSegmentsAxis = bk_InvestmentServicesSegmentMember |
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2,555us-gaap_NoninterestExpense / us-gaap_StatementBusinessSegmentsAxis = bk_InvestmentServicesSegmentMember |
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1,822us-gaap_NoninterestExpense / us-gaap_StatementBusinessSegmentsAxis = bk_InvestmentServicesSegmentMember |
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Income before taxes |
755us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest / us-gaap_StatementBusinessSegmentsAxis = bk_InvestmentServicesSegmentMember |
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(74)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest / us-gaap_StatementBusinessSegmentsAxis = bk_InvestmentServicesSegmentMember |
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655us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest / us-gaap_StatementBusinessSegmentsAxis = bk_InvestmentServicesSegmentMember |
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Pre-tax operating margin (percent) |
29.00%bk_OperatingMarginPercent / us-gaap_StatementBusinessSegmentsAxis = bk_InvestmentServicesSegmentMember |
[4] |
(3.00%)bk_OperatingMarginPercent / us-gaap_StatementBusinessSegmentsAxis = bk_InvestmentServicesSegmentMember |
[4] |
26.00%bk_OperatingMarginPercent / us-gaap_StatementBusinessSegmentsAxis = bk_InvestmentServicesSegmentMember |
[4] |
Average assets |
284,978bk_SegmentReportingInformationAverageTotalAssets / us-gaap_StatementBusinessSegmentsAxis = bk_InvestmentServicesSegmentMember |
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276,586bk_SegmentReportingInformationAverageTotalAssets / us-gaap_StatementBusinessSegmentsAxis = bk_InvestmentServicesSegmentMember |
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258,470bk_SegmentReportingInformationAverageTotalAssets / us-gaap_StatementBusinessSegmentsAxis = bk_InvestmentServicesSegmentMember |
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Other |
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Segment Reporting Information [Line Items] |
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Fee and other revenue |
104us-gaap_NoninterestIncome / us-gaap_StatementBusinessSegmentsAxis = us-gaap_AllOtherSegmentsMember |
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117us-gaap_NoninterestIncome / us-gaap_StatementBusinessSegmentsAxis = us-gaap_AllOtherSegmentsMember |
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112us-gaap_NoninterestIncome / us-gaap_StatementBusinessSegmentsAxis = us-gaap_AllOtherSegmentsMember |
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Net interest revenue |
54us-gaap_InterestIncomeExpenseNet / us-gaap_StatementBusinessSegmentsAxis = us-gaap_AllOtherSegmentsMember |
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69us-gaap_InterestIncomeExpenseNet / us-gaap_StatementBusinessSegmentsAxis = us-gaap_AllOtherSegmentsMember |
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68us-gaap_InterestIncomeExpenseNet / us-gaap_StatementBusinessSegmentsAxis = us-gaap_AllOtherSegmentsMember |
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Total revenue |
158us-gaap_Revenues / us-gaap_StatementBusinessSegmentsAxis = us-gaap_AllOtherSegmentsMember |
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186us-gaap_Revenues / us-gaap_StatementBusinessSegmentsAxis = us-gaap_AllOtherSegmentsMember |
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180us-gaap_Revenues / us-gaap_StatementBusinessSegmentsAxis = us-gaap_AllOtherSegmentsMember |
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Provision for credit losses |
2bk_ProvisionForRecoveryOfLoanLeaseAndOtherLosses / us-gaap_StatementBusinessSegmentsAxis = us-gaap_AllOtherSegmentsMember |
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1bk_ProvisionForRecoveryOfLoanLeaseAndOtherLosses / us-gaap_StatementBusinessSegmentsAxis = us-gaap_AllOtherSegmentsMember |
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(18)bk_ProvisionForRecoveryOfLoanLeaseAndOtherLosses / us-gaap_StatementBusinessSegmentsAxis = us-gaap_AllOtherSegmentsMember |
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Noninterest expense |
116us-gaap_NoninterestExpense / us-gaap_StatementBusinessSegmentsAxis = us-gaap_AllOtherSegmentsMember |
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210us-gaap_NoninterestExpense / us-gaap_StatementBusinessSegmentsAxis = us-gaap_AllOtherSegmentsMember |
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193us-gaap_NoninterestExpense / us-gaap_StatementBusinessSegmentsAxis = us-gaap_AllOtherSegmentsMember |
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Income before taxes |
40us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest / us-gaap_StatementBusinessSegmentsAxis = us-gaap_AllOtherSegmentsMember |
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(25)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest / us-gaap_StatementBusinessSegmentsAxis = us-gaap_AllOtherSegmentsMember |
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5us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest / us-gaap_StatementBusinessSegmentsAxis = us-gaap_AllOtherSegmentsMember |
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Average assets |
$ 52,416bk_SegmentReportingInformationAverageTotalAssets / us-gaap_StatementBusinessSegmentsAxis = us-gaap_AllOtherSegmentsMember |
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$ 71,360bk_SegmentReportingInformationAverageTotalAssets / us-gaap_StatementBusinessSegmentsAxis = us-gaap_AllOtherSegmentsMember |
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$ 57,059bk_SegmentReportingInformationAverageTotalAssets / us-gaap_StatementBusinessSegmentsAxis = us-gaap_AllOtherSegmentsMember |
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