XML 76 R54.htm IDEA: XBRL DOCUMENT v3.24.1.u1

Summary of Fair Value by Strategy Type Alongside Consolidated Funds of Hedge Funds' Remaining Unfunded Commitments and Ability to Redeem Such Investments (Parenthetical) (Detail) - Equity	Mar. 31, 2024
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Percentage of investments unable to be redeemed at, or within 3 months of reporting date	76.00%
Percentage of investments redeemable as of reporting date	24.00%

X

- Definition

Percentage Of Investments Redeemable As Of Reporting Date

+ References

No definition available.

+ Details

Name:	bx_PercentageOfInvestmentsRedeemableAsOfReportingDate
Namespace Prefix:	bx_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_FairValueInvestmentsEntitiesThatCalculateNetAssetValuePerShareLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The percentage of the total value of investments that cannot be redeemed because of a redemption restriction as of the statement of financial position date.

+ References

No definition available.

+ Details

Name:	us-gaap_FairValueInvestmentsEntitiesThatCalculateNetAssetValuePerShareRedemptionRestrictionPercentage
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

X

- Details

Name:	us-gaap_FairValueByAssetClassAxis=us-gaap_HedgeFundsEquityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: