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Summary of Quantitative Inputs and Assumptions for Items Categorized in Level III of Fair Value Hierarchy (Detail) - USD ($)
$ in Thousands

12 Months Ended

Dec. 31, 2022

Dec. 31, 2021

Fair Value, Option, Quantitative Disclosures [Line Items]

Fair value assets

$ 2,208,015

$ 1,093,148

Level 3

Fair Value, Option, Quantitative Disclosures [Line Items]

Fair value assets

4,628,104

4,111,556

Fair Value, Measurements, Recurring

Fair Value, Option, Quantitative Disclosures [Line Items]

Fair value assets

10,971,402

6,600,957

Fair Value, Measurements, Recurring | Level 3

Fair Value, Option, Quantitative Disclosures [Line Items]

Fair value assets

4,628,104

4,111,556

Fair Value, Measurements, Recurring | Level 3 | Loans and Receivables | Discounted Cash Flows

Fair Value, Option, Quantitative Disclosures [Line Items]

Fair value assets

$ 315,039

$ 392,732

Fair Value, Measurements, Recurring | Level 3 | Minimum | Loans and Receivables | Discounted Cash Flows | Measurement Input, Discount Rate

Fair Value, Option, Quantitative Disclosures [Line Items]

Unobservable inputs, rate

7.60%

6.50%

Fair Value, Measurements, Recurring | Level 3 | Maximum | Loans and Receivables | Discounted Cash Flows | Measurement Input, Discount Rate

Fair Value, Option, Quantitative Disclosures [Line Items]

Unobservable inputs, rate

11.50%

12.20%

Fair Value, Measurements, Recurring | Level 3 | Weighted Average | Loans and Receivables | Discounted Cash Flows | Measurement Input, Discount Rate

Fair Value, Option, Quantitative Disclosures [Line Items]

Unobservable inputs, rate

^[1]

9.80%

7.60%

Fair Value, Measurements, Recurring | Level 3 | Other Investments | Transaction Price Valuation Technique

Fair Value, Option, Quantitative Disclosures [Line Items]

Fair value assets

$ 57,365

^[2]

$ 2,518,032

Fair Value, Measurements, Recurring | Level 3 | Consolidated Blackstone Funds

Fair Value, Option, Quantitative Disclosures [Line Items]

Fair value assets

4,249,832

1,200,315

Fair Value, Measurements, Recurring | Level 3 | Consolidated Blackstone Funds | Equity Securities, Partnerships and LLC Interests | Discounted Cash Flows

Fair Value, Option, Quantitative Disclosures [Line Items]

Fair value assets

$ 4,195,859

$ 1,170,362

Fair Value, Measurements, Recurring | Level 3 | Consolidated Blackstone Funds | Equity Securities, Partnerships and LLC Interests | Minimum | Discounted Cash Flows | Measurement Input, Discount Rate

Fair Value, Option, Quantitative Disclosures [Line Items]

Unobservable inputs, rate

4.10%

1.30%

Fair Value, Measurements, Recurring | Level 3 | Consolidated Blackstone Funds | Equity Securities, Partnerships and LLC Interests | Minimum | Discounted Cash Flows | Measurement Input, Cap Rate [Member]

Fair Value, Option, Quantitative Disclosures [Line Items]

Exit Capitalization Rate

2.60%

1.30%

Fair Value, Measurements, Recurring | Level 3 | Consolidated Blackstone Funds | Equity Securities, Partnerships and LLC Interests | Minimum | Discounted Cash Flows | EBITDA Multiple Market

Fair Value, Option, Quantitative Disclosures [Line Items]

Exit Multiple - EBITDA

4

3.7

Fair Value, Measurements, Recurring | Level 3 | Consolidated Blackstone Funds | Equity Securities, Partnerships and LLC Interests | Maximum | Discounted Cash Flows | Measurement Input, Discount Rate

Fair Value, Option, Quantitative Disclosures [Line Items]

Unobservable inputs, rate

34.50%

43.30%

Fair Value, Measurements, Recurring | Level 3 | Consolidated Blackstone Funds | Equity Securities, Partnerships and LLC Interests | Maximum | Discounted Cash Flows | Measurement Input, Cap Rate [Member]

Fair Value, Option, Quantitative Disclosures [Line Items]

Exit Capitalization Rate

14.40%

17.30%

Fair Value, Measurements, Recurring | Level 3 | Consolidated Blackstone Funds | Equity Securities, Partnerships and LLC Interests | Maximum | Discounted Cash Flows | EBITDA Multiple Market

Fair Value, Option, Quantitative Disclosures [Line Items]

Exit Multiple - EBITDA

30.6

31.4

Fair Value, Measurements, Recurring | Level 3 | Consolidated Blackstone Funds | Equity Securities, Partnerships and LLC Interests | Weighted Average | Discounted Cash Flows

Fair Value, Option, Quantitative Disclosures [Line Items]

Unobservable inputs, rate

^[1]

8.80%

Fair Value, Measurements, Recurring | Level 3 | Consolidated Blackstone Funds | Equity Securities, Partnerships and LLC Interests | Weighted Average | Discounted Cash Flows | Measurement Input, Discount Rate

Fair Value, Option, Quantitative Disclosures [Line Items]

Unobservable inputs, rate

^[1]

10.40%

Exit Capitalization Rate

^[1]

4.70%

Fair Value, Measurements, Recurring | Level 3 | Consolidated Blackstone Funds | Equity Securities, Partnerships and LLC Interests | Weighted Average | Discounted Cash Flows | Measurement Input, Cap Rate [Member]

Fair Value, Option, Quantitative Disclosures [Line Items]

Exit Capitalization Rate

^[1]

4.90%

Fair Value, Measurements, Recurring | Level 3 | Consolidated Blackstone Funds | Equity Securities, Partnerships and LLC Interests | Weighted Average | Discounted Cash Flows | EBITDA Multiple Market

Fair Value, Option, Quantitative Disclosures [Line Items]

Exit Multiple - EBITDA

^[1]

14.7

14.7

Fair Value, Measurements, Recurring | Level 3 | Consolidated Blackstone Funds | Debt Instruments | Discounted Cash Flows

Fair Value, Option, Quantitative Disclosures [Line Items]

Fair value assets

$ 53,973

$ 29,953

Fair Value, Measurements, Recurring | Level 3 | Consolidated Blackstone Funds | Debt Instruments | Minimum | Discounted Cash Flows | Measurement Input, Discount Rate

Fair Value, Option, Quantitative Disclosures [Line Items]

Unobservable inputs, rate

6.50%

Fair Value, Measurements, Recurring | Level 3 | Consolidated Blackstone Funds | Debt Instruments | Maximum | Discounted Cash Flows | Measurement Input, Discount Rate

Fair Value, Option, Quantitative Disclosures [Line Items]

Unobservable inputs, rate

19.30%

Fair Value, Measurements, Recurring | Level 3 | Consolidated Blackstone Funds | Debt Instruments | Weighted Average | Discounted Cash Flows | Measurement Input, Discount Rate

Fair Value, Option, Quantitative Disclosures [Line Items]

Unobservable inputs, rate

^[1]

9.00%

Fair Value, Measurements, Recurring | Level 3 | Corporate Treasury Investments | Discounted Cash Flows

Fair Value, Option, Quantitative Disclosures [Line Items]

Fair value assets

$ 5,868

$ 477

Fair Value, Measurements, Recurring | Level 3 | Corporate Treasury Investments | Discounted Cash Flows | Measurement Input, Discount Rate

Fair Value, Option, Quantitative Disclosures [Line Items]

Unobservable inputs, rate

9.40%

[1]	Unobservable inputs were weighted based on the fair value of the investments included in the range.
[2]	As of December 31, 2022, Other Investments includes Level III Freestanding Derivatives.

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Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258

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