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Investments - Additional Information (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Jan. 26, 2021
Schedule of Investments [Line Items]
Investments	$ 27,553,251	$ 28,665,043
Recognized net gains related to equity method investments	292,100	1,900,000	$ 320,200
Equity investments, carrying value	$ 375,500
Investment Maturity Terms	five years
American International Group, Incs Life and Retirement [Member]
Schedule of Investments [Line Items]
Equity investments, carrying value	$ 6,400
Equity Method Investment, Aggregate Cost	$ 240,200
Patria Investments Limited and Patria Investimentos Ltda.
Schedule of Investments [Line Items]
Equity Method Investment, Ownership Percentage	40.00%
Patria Investments Limited and Patria Investimentos Ltda. | IPO
Schedule of Investments [Line Items]
Equity Method Investment, Ownership Percentage				10.00%
Consolidated Blackstone Funds | Blackstone
Schedule of Investments [Line Items]
Investments	$ 393,900	$ 375,800

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