v3.26.1

Warehousing Agreement (Details) $ in Millions	Dec. 18, 2025 USD ($)	Mar. 31, 2026 USD ($) investment position
Blackstone Holdings Finance Co. L.L.C.
Short-Term Debt [Line Items]
Number of investments \| investment		2
Total committed amount		$ 75.1
Remaining unfunded commitment		$ 14.4
Number of positions \| position		2
Warehousing Agreement \| Warehouse Agreement Borrowings
Short-Term Debt [Line Items]
Investment acquisition rate	5.00%
Unused capacity		$ 439.3
Warehousing Agreement \| Warehouse Agreement Borrowings \| Blackstone Holdings Finace Co. L.L.C.
Short-Term Debt [Line Items]
Invested equity amount	$ 500.0

Warehouse Agreement Borrowings, Investment Acquisition Rate

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Warehouse Agreement Borrowings, Number Of Investments

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Warehouse Agreement Borrowings, Unused Capacity

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- Definition

Amount of financial support committed by investment company to investee that is contractually required but not provided.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 16
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480990/946-20-50-16

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Amount of financial support committed by investment company to investee that is discretionary.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 946
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 15
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480990/946-20-50-15

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-Topic 946
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 15
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480990/946-20-50-15

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Carrying value as of the balance sheet date of the outstanding short-term borrowings under a revolving line of credit used by mortgage bankers to finance the origination or purchase of loans.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 942
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(13))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1

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Blackstone Multi-Strategy Hedge Fund L.P. 10-Q