v3.25.2
Document and Entity Information
Jul. 01, 2025
Document And Entity Information [Line Items]  
Entity Incorporation State Country Code DE
Amendment Flag false
Entity Central Index Key 0002012383
Document Type 8-K
Document Period End Date Jul. 01, 2025
Entity Registrant Name BLACKROCK, INC.
Entity File Number 001-42297
Entity Tax Identification Number 99-1116001
Entity Address, Address Line One 50 Hudson Yards
Entity Address, City or Town New York
Entity Address, State or Province NY
Entity Address, Postal Zip Code 10001
City Area Code (212)
Local Phone Number 810-5800
Written Communications false
Soliciting Material false
Pre Commencement Tender Offer false
Pre Commencement Issuer Tender Offer false
Entity Emerging Growth Company false
Common Stock [Member]  
Document And Entity Information [Line Items]  
Security 12b Title Common Stock, $.01 par value
Trading Symbol BLK
Security Exchange Name NYSE
Deferrable Notes [Member]  
Document And Entity Information [Line Items]  
Security 12b Title 3.750% Notes due 2035
Trading Symbol BLK 35
Security Exchange Name NYSE