Realized and Net Change in Unrealized Gains (Losses) on Investments Held by Blackstone's Treasury Cash Management Strategies (Detail) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2023	Mar. 31, 2022
Gain (Loss) on Securities [Line Items]
Total realized and net change in unrealized gains (losses)	$ (495,677)	$ 3,418,501
Corporate Treasury Investments
Gain (Loss) on Securities [Line Items]
Realized Gains (Losses)	2,374	(1,962)
Net Change in Unrealized Gains (Losses)	7,795	(27,603)
Total realized and net change in unrealized gains (losses)	$ 10,169	$ (29,565)

Amount of realized and unrealized gain (loss) on investment.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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