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Carrying Value and Fair Value of Blackstone Issued Notes (Detail) - USD ($) $ in Thousands		Dec. 31, 2022	Dec. 31, 2021
Debt Instrument [Line Items]
Carrying Value		$ 10,899,584	$ 7,498,062
Debt instrument, fair value	[1]	9,018,356	8,018,122
4.750% Notes
Debt Instrument [Line Items]
Carrying Value		399,838	398,581
Debt instrument, fair value	[1]	399,776	415,880
2.000% Notes
Debt Instrument [Line Items]
Carrying Value		325,292	338,275
Debt instrument, fair value	[1]	305,754	362,078
1.000% Notes
Debt Instrument [Line Items]
Carrying Value		642,968	675,867
Debt instrument, fair value	[1]	568,525	700,892
3.150% Notes
Debt Instrument [Line Items]
Carrying Value		298,101	297,738
Debt instrument, fair value	[1]	271,284	317,610
1.625% Notes
Debt Instrument [Line Items]
Carrying Value		644,456	678,085
Debt instrument, fair value	[1]	530,933	720,062
1.500% Notes
Debt Instrument [Line Items]
Carrying Value		645,819	491,662
Debt instrument, fair value	[1]	532,043	507,350
2.500% Notes
Debt Instrument [Line Items]
Carrying Value		492,604	495,541
Debt instrument, fair value	[1]	405,965	467,750
1.600% Notes
Debt Instrument [Line Items]
Carrying Value		495,990	786,690
Debt instrument, fair value	[1]	365,380	767,920
2.000% Notes
Debt Instrument [Line Items]
Carrying Value		788,082	0
Debt instrument, fair value	[1]	589,407	0
6.250% Notes
Debt Instrument [Line Items]
Carrying Value		239,176	238,914
Debt instrument, fair value	[1]	251,480	361,775
5.000% Notes
Debt Instrument [Line Items]
Carrying Value		489,704	489,446
Debt instrument, fair value	[1]	441,355	648,500
4.450% Notes
Debt Instrument [Line Items]
Carrying Value		344,549	344,412
Debt instrument, fair value	[1]	287,242	426,195
4.000% Notes
Debt Instrument [Line Items]
Carrying Value		290,935	290,730
Debt instrument, fair value	[1]	227,946	347,370
3.500% Notes
Debt Instrument [Line Items]
Carrying Value		504,695
Debt instrument, fair value	[1]	452,934
2.800% Notes
Debt Instrument [Line Items]
Carrying Value		393,958	393,818
Debt instrument, fair value	[1]	237,552	382,880
2.850% Notes
Debt Instrument [Line Items]
Carrying Value		543,162	542,963
Debt instrument, fair value	[1]	323,527	531,355
5.900% Notes
Debt Instrument [Line Items]
Carrying Value		594,381	643,251
Debt instrument, fair value	[1]	606,450	629,265
2.550% Notes
Debt Instrument [Line Items]
Carrying Value		495,207
Debt instrument, fair value	[1]	390,370
6.200% Notes
Debt Instrument [Line Items]
Carrying Value		891,277
Debt instrument, fair value	[1]	907,965
3.200% Notes
Debt Instrument [Line Items]
Carrying Value		987,131
Debt instrument, fair value	[1]	646,880
3.500% Notes
Debt Instrument [Line Items]
Carrying Value		392,259	392,089
Debt instrument, fair value	[1]	$ 275,588	$ 431,240
[1] Fair value is determined by broker quote and these notes would be classified as Level II within the fair value hierarchy.

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Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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