XML 62 R51.htm IDEA: XBRL DOCUMENT
v3.22.1

Loans and Leases - Summary of Collateral-Dependent Loans Held for Investment by Collateral Type (Details) $ in Millions | Mar. 31, 2022 USD ($)
--- | ---
Real Estate |
Disclosure Of Summary Of Collateral Dependent Loans Held For Investment By Collateral Type [Line Items] |
Assets received as collateral | $ 68
Real Estate | Multi-Family |
Disclosure Of Summary Of Collateral Dependent Loans Held For Investment By Collateral Type [Line Items] |
Loans and leases receivable, collateral for secured borrowings | 19
Real Estate | Commercial Real Estate |
Disclosure Of Summary Of Collateral Dependent Loans Held For Investment By Collateral Type [Line Items] |
Loans and leases receivable, collateral for secured borrowings | 49
Other |
Disclosure Of Summary Of Collateral Dependent Loans Held For Investment By Collateral Type [Line Items] |
Loans and leases receivable, collateral for secured borrowings | 5
Other | Commercial and Industrial |
Disclosure Of Summary Of Collateral Dependent Loans Held For Investment By Collateral Type [Line Items] |
Loans and leases receivable, collateral for secured borrowings | $ 5

X
- Definition Assets received as collateral. + References No definition available. + Details
Name: | nycb_AssetsReceivedAsCollateral
Namespace Prefix: | nycb_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Disclosure of summary of collateral dependent loans held for investment by collateral type. + References No definition available. + Details
Name: | nycb_DisclosureOfSummaryOfCollateralDependentLoansHeldForInvestmentByCollateralTypeLineItems
Namespace Prefix: | nycb_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Reflects the aggregate value of loans, trade receivables, securities and financial instruments that serve as collateral for obligations arising from a transfer of financial assets recorded as a secured borrowing. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=123577603&loc=d3e5086-111524 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 30 -Section 50 -Paragraph 1A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109249958&loc=SL6224234-111729 + Details
Name: | us-gaap_LoansAndLeasesReceivableCollateralForSecuredBorrowings
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_CollateralAxis=us-gaap_RealEstateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=srt_MultifamilyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_CommercialRealEstateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CollateralAxis=nycb_OtherMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_CommercialAndIndustrialSectorMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |