Blackrock (BLK)

Document and Entity Information

Document and Entity InformationDec. 13, 2021
Document And Entity Information [Line Items]
Entity Registrant NameBlackRock Inc.
Entity Incorporation State Country CodeDE
Entity Address, State or ProvinceNY
Amendment Flagfalse
Entity Central Index Key0001364742
Document Type8-K
Document Period End DateDec. 13,
Entity File Number001-33099
Entity Tax Identification Number32-0174431
Entity Address, Address Line One55 East 52nd Street
Entity Address, City or TownNew York
Entity Address, Postal Zip Code10055
City Area Code(212)
Local Phone Number810-5300
Written Communicationsfalse
Soliciting Materialfalse
Pre Commencement Tender Offerfalse
Pre Commencement Issuer Tender Offerfalse
Entity Emerging Growth Companyfalse
Common Stock Point Zero One Par Value [Member]
Document And Entity Information [Line Items]
Security 12b TitleCommon Stock, $.01 par value
Trading SymbolBLK
Security Exchange NameNYSE
Deferrable Notes [Member]
Document And Entity Information [Line Items]
Security 12b Title1.250% Notes due 2025
Trading SymbolBLK25
Security Exchange NameNYSE