Clawback Obligations by Segment (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Product Liability Contingency [Line Items]
Clawback obligations	$ 892,405	$ 806,267
Blackstone Holdings
Product Liability Contingency [Line Items]
Clawback obligations	581,198	532,736
Current And Former Blackstone Personnel
Product Liability Contingency [Line Items]
Clawback obligations	311,207	273,531
Real Estate Segment
Product Liability Contingency [Line Items]
Clawback obligations	741,387	676,020
Real Estate Segment \| Blackstone Holdings
Product Liability Contingency [Line Items]
Clawback obligations	488,999	448,096
Real Estate Segment \| Current And Former Blackstone Personnel
Product Liability Contingency [Line Items]
Clawback obligations	252,388	227,924
Private Equity Segment
Product Liability Contingency [Line Items]
Clawback obligations	151,018	130,247
Private Equity Segment \| Blackstone Holdings
Product Liability Contingency [Line Items]
Clawback obligations	92,199	84,640
Private Equity Segment \| Current And Former Blackstone Personnel
Product Liability Contingency [Line Items]
Clawback obligations	$ 58,819	$ 45,607