Clawback Obligations by Segment (Detail) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2026	Dec. 31, 2025
Product Liability Contingency [Line Items]
Clawback obligations	$ 1,088,167	$ 806,267
Blackstone Holdings
Product Liability Contingency [Line Items]
Clawback obligations	701,760	532,736
Current And Former Blackstone Personnel
Product Liability Contingency [Line Items]
Clawback obligations	386,407	273,531
Real Estate Segment
Product Liability Contingency [Line Items]
Clawback obligations	904,659	676,020
Real Estate Segment \| Blackstone Holdings
Product Liability Contingency [Line Items]
Clawback obligations	589,875	448,096
Real Estate Segment \| Current And Former Blackstone Personnel
Product Liability Contingency [Line Items]
Clawback obligations	314,784	227,924
Private Equity Segment
Product Liability Contingency [Line Items]
Clawback obligations	183,508	130,247
Private Equity Segment \| Blackstone Holdings
Product Liability Contingency [Line Items]
Clawback obligations	111,885	84,640
Private Equity Segment \| Current And Former Blackstone Personnel
Product Liability Contingency [Line Items]
Clawback obligations	$ 71,623	$ 45,607