Performance Fees Allocated to Funds (Detail) $ in Thousands	6 Months Ended
Performance Fees Allocated to Funds (Detail) $ in Thousands	Jun. 30, 2026 USD ($)
Schedule of Performance Fees and Allocations to the General Partner [Line Items]
Beginning Balance	$ 32,212,111
Ending Balance	34,587,729
Performance Fees
Schedule of Performance Fees and Allocations to the General Partner [Line Items]
Beginning Balance	12,980,356
Performance Allocations as a Result of Changes in Fund Fair Values	3,595,741
Foreign Exchange Loss	(2,127)
Fund Distributions	(2,667,216)
Ending Balance	13,906,754
Real Estate Segment
Schedule of Performance Fees and Allocations to the General Partner [Line Items]
Beginning Balance	1,762,496
Performance Allocations as a Result of Changes in Fund Fair Values	842,925
Foreign Exchange Loss	(2,127)
Fund Distributions	(687,692)
Ending Balance	1,915,602
Private Equity Segment
Schedule of Performance Fees and Allocations to the General Partner [Line Items]
Beginning Balance	10,389,351
Performance Allocations as a Result of Changes in Fund Fair Values	2,414,695
Fund Distributions	(1,622,832)
Ending Balance	11,181,214
Credit & Insurance Segment
Schedule of Performance Fees and Allocations to the General Partner [Line Items]
Beginning Balance	640,587
Performance Allocations as a Result of Changes in Fund Fair Values	50,954
Fund Distributions	(224,206)
Ending Balance	467,335
Multi-Asset Investing \| Performance Fees
Schedule of Performance Fees and Allocations to the General Partner [Line Items]
Beginning Balance	187,922
Performance Allocations as a Result of Changes in Fund Fair Values	287,167
Fund Distributions	(132,486)
Ending Balance	$ 342,603