v3.26.1
Acquisitions - Summary of Business Acquisition, Pro Forma Information Combined Results of Operations (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Business Combination [Line Items]    
Total revenue $ 6,698 $ 5,276
GIP And HPS [Member]    
Business Combination [Line Items]    
Total revenue   5,685
Net income attributable to BlackRock, Inc.   $ 1,409