XML 70 R58.htm IDEA: XBRL DOCUMENT
v3.25.3

Loans and asset quality - Nonperforming Assets (Details) - USD ($) $ in Millions | Sep. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Nonperforming Assets [Line Items] |  |
With an allowance | $ 150 | $ 128
Without an allowance | 8 | 49
Total | 158 | 177
With an allowance, Other assets owned | 0 | 0
Without an allowance, Other assets owned | 2 | 2
Other assets owned | 2 | 2
With an allowance, Total nonperforming assets | 150 | 128
Without an allowance, Total nonperforming assets | 10 | 51
Total nonperforming assets | 160 | 179
Commercial real estate |  |
Nonperforming Assets [Line Items] |  |
With an allowance | 125 | 104
Without an allowance | 0 | 39
Total | 125 | 143
Other residential mortgages |  |
Nonperforming Assets [Line Items] |  |
With an allowance | 16 | 18
Without an allowance | 0 | 1
Total | 16 | 19
Wealth management mortgages |  |
Nonperforming Assets [Line Items] |  |
With an allowance | 9 | 6
Without an allowance | 8 | 9
Total | $ 17 | $ 15

X
- Definition Financing Receivable, 90 Days or More Past Due, Still Accruing, Nonperforming Assets + References No definition available. + Details
Name: | bk_FinancingReceivable90DaysorMorePastDueStillAccruingNonperformingAssets
Namespace Prefix: | bk_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Financing Receivable, 90 Days or More Past Due, Still Accruing, Other Assets Owned + References No definition available. + Details
Name: | bk_FinancingReceivable90DaysorMorePastDueStillAccruingOtherAssetsOwned
Namespace Prefix: | bk_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Financing Receivable, Nonaccrual, No Allowance, Nonperforming Assets + References No definition available. + Details
Name: | bk_FinancingReceivableNonaccrualNoAllowanceNonperformingAssets
Namespace Prefix: | bk_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Financing Receivable, Nonaccrual, No Allowance, Other Assets Owned + References No definition available. + Details
Name: | bk_FinancingReceivableNonaccrualNoAllowanceOtherAssetsOwned
Namespace Prefix: | bk_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Loans, Leases and Other Assets Receivable, Net Reported Amount, Nonperforming Assets + References No definition available. + Details
Name: | bk_LoansLeasesAndOtherAssetsReceivableNetReportedAmountNonperformingAssets
Namespace Prefix: | bk_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Nonperforming Assets + References No definition available. + Details
Name: | bk_NonperformingAssetsLineItems
Namespace Prefix: | bk_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Other Nonperforming Assets + References No definition available. + Details
Name: | bk_OtherNonperformingAssets
Namespace Prefix: | bk_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amortized cost excluding accrued interest, of financing receivable 90 days or more past due and still accruing. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 16 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-16 + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterest90DaysOrMorePastDueStillAccruing
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amortized cost excluding accrued interest, of financing receivable on nonaccrual status. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 16 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-16 + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestNonaccrual
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amortized cost excluding accrued interest, of financing receivable on nonaccrual status with no allowance for credit loss. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 16 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-16 + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestNonaccrualNoAllowance
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=bk_CommercialRealEstateLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=bk_OtherResidentialMortgagesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=bk_WealthManagementMortgagesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |