v2.4.0.8

Summary of Quantitative Inputs and Assumptions for Items Categorized in Level III of Fair Value Hierarchy (Detail) (USD $) In Thousands, unless otherwise specified | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2013 | Dec. 31, 2012
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |  |
Fair value assets | $ 9,124,473 |  | $ 11,281,064 |
Fair value liabilities | 9,246,887 |  | 11,541,607 |
Discounted Cash Flows | Collateralized Loan Obligations |  |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |  |
Recovery Lag | 12 months |  | 12 months |
Discounted Cash Flows | Collateralized Loan Obligations | LIBOR |  |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |  |
Reinvestment Rate | 4.00% |  | 4.00% |
Discounted Cash Flows | Collateralized Loan Obligations | Weighted Average |  |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |  |
Discount Rate | 2.70% | [1] | 3.90% | [1]
Pre-payment Rate | 19.00% | [1] | 18.00% | [1]
Recovery Rate | 66.00% | [1] | 66.00% | [1]
Default Rate | 2.10% | [1] | 2.10% | [1]
Discounted Cash Flows | Collateralized Loan Obligations | Minimum |  |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |  |
Discount Rate | 0.20% |  | 1.10% |
Pre-payment Rate | 5.00% |  | 5.00% |
Recovery Rate | 30.00% |  | 30.00% |
Default Rate | 2.00% |  | 2.00% |
Discounted Cash Flows | Collateralized Loan Obligations | Maximum |  |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |  |
Discount Rate | 44.90% |  | 50.00% |
Pre-payment Rate | 40.00% |  | 20.00% |
Recovery Rate | 70.00% |  | 70.00% |
Default Rate | 3.00% |  | 5.00% |
Level 3 |  |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |  |
Fair value assets | 3,281,459 |  | 3,076,466 |
Level 3 | Discounted Cash Flows | Collateralized Loan Obligations |  |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |  |
Fair value liabilities | 9,246,887 |  | 11,541,607 |
Blackstone's Treasury Cash Management Strategies | Discounted Cash Flows |  |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |  |
Discount Rate |  |  | 12.00% |
Pre-payment Rate | 20.00% |  | 20.00% |
Recovery Lag | 12 months |  | 12 months |
Recovery Rate |  |  | 70.00% |
Default Rate | 2.00% |  | 2.00% |
Blackstone's Treasury Cash Management Strategies | Discounted Cash Flows | LIBOR |  |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |  |
Reinvestment Rate | 4.00% |  | 4.00% |
Blackstone's Treasury Cash Management Strategies | Discounted Cash Flows | Weighted Average |  |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |  |
Discount Rate | 6.40% | [1] |  |
Recovery Rate | 66.00% | [1] |  |
Blackstone's Treasury Cash Management Strategies | Discounted Cash Flows | Minimum |  |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |  |
Discount Rate | 5.80% |  |  |
Recovery Rate | 30.00% |  |  |
Blackstone's Treasury Cash Management Strategies | Discounted Cash Flows | Maximum |  |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |  |
Discount Rate | 7.30% |  |  |
Recovery Rate | 70.00% |  |  |
Blackstone's Treasury Cash Management Strategies | Level 3 | Discounted Cash Flows |  |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |  |
Fair value assets | 16,855 |  | 1,006 |
Blackstone's Treasury Cash Management Strategies | Level 3 | Net Asset Value Valuation Technique |  |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |  |
Fair value assets | 9,819 |  |  |
Blackstone's Treasury Cash Management Strategies | Level 3 | Transaction Price Valuation Technique |  |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |  |
Fair value assets |  |  | 200 |
Blackstone's Treasury Cash Management Strategies | Level 3 | Third Party Pricing Valuation Technique |  |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |  |
Fair value assets | 19,386 |  |  |
Loans And Receivables | Discounted Cash Flows | Weighted Average |  |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |  |
Discount Rate | 12.40% | [1] | 13.70% | [1]
Loans And Receivables | Discounted Cash Flows | Minimum |  |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |  |
Discount Rate | 12.00% |  | 11.80% |
Loans And Receivables | Discounted Cash Flows | Maximum |  |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |  |
Discount Rate | 13.00% |  | 25.90% |
Loans And Receivables | Market Comparable Companies |  |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |  |
EBITDA Multiple |  |  | 8.7 |
Loans And Receivables | Level 3 | Discounted Cash Flows |  |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |  |
Fair value assets | 98,077 |  | 30,620 |
Loans And Receivables | Level 3 | Market Comparable Companies |  |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |  |
Fair value assets |  |  | 43 |
Other | Discounted Cash Flows |  |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |  |
Discount Rate | 12.50% |  | 12.50% |
Other | Level 3 | Discounted Cash Flows |  |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |  |
Fair value assets | 3,627 |  | 5,647 |
Other | Level 3 | Net Asset Value Valuation Technique |  |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |  |
Fair value assets | 3,738 |  | 17,901 |
Other | Level 3 | Transaction Price Valuation Technique |  |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |  |
Fair value assets | 7,898 |  | 3,350 |
Investments Of Consolidated Blackstone Funds | Level 3 |  |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |  |
Fair value assets | 3,122,059 |  | 3,017,699 |
Investments Of Consolidated Blackstone Funds | Consolidated Equity Securities | Discounted Cash Flows | Weighted Average |  |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |  |
Discount Rate | 11.00% | [1] | 11.20% | [1]
Revenue CAGR | 6.00% | [1] | 5.60% | [1]
Exit Multiple - EBITDA | 9.6 | [1] | 9.2 | [1]
Exit Multiple - P/E | 10.1 | [1] | 10.1 | [1]
Investments Of Consolidated Blackstone Funds | Consolidated Equity Securities | Discounted Cash Flows | Minimum |  |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |  |
Discount Rate | 8.10% |  | 8.40% |
Revenue CAGR | 0.90% |  | 0.70% |
Exit Multiple - EBITDA | 5.0 |  | 5.8 |
Exit Multiple - P/E | 8.5 |  | 8.5 |
Investments Of Consolidated Blackstone Funds | Consolidated Equity Securities | Discounted Cash Flows | Maximum |  |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |  |
Discount Rate | 25.00% |  | 25.10% |
Revenue CAGR | 43.40% |  | 83.40% |
Exit Multiple - EBITDA | 13 |  | 11.5 |
Exit Multiple - P/E | 19.0 |  | 17.0 |
Investments Of Consolidated Blackstone Funds | Consolidated Equity Securities | Market Comparable Companies |  |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |  |
Book Value Multiple |  |  | 0.9 |
Investments Of Consolidated Blackstone Funds | Consolidated Equity Securities | Market Comparable Companies | Weighted Average |  |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |  |
EBITDA Multiple | 7.3 | [1] | 7.8 | [1]
Investments Of Consolidated Blackstone Funds | Consolidated Equity Securities | Market Comparable Companies | Minimum |  |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |  |
EBITDA Multiple | 7.2 |  | 5.0 |
Investments Of Consolidated Blackstone Funds | Consolidated Equity Securities | Market Comparable Companies | Maximum |  |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |  |
EBITDA Multiple | 7.8 |  | 8.7 |
Investments Of Consolidated Blackstone Funds | Consolidated Equity Securities | Level 3 | Discounted Cash Flows |  |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |  |
Fair value assets | 166,586 |  | 151,899 |
Investments Of Consolidated Blackstone Funds | Consolidated Equity Securities | Level 3 | Market Comparable Companies |  |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |  |
Fair value assets | 265 |  | 1,602 |
Investments Of Consolidated Blackstone Funds | Consolidated Equity Securities | Level 3 | Transaction Price Valuation Technique |  |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |  |
Fair value assets | 76,633 |  | 61,479 |
Investments Of Consolidated Blackstone Funds | Consolidated Equity Securities | Level 3 | Third Party Pricing Valuation Technique |  |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |  |
Fair value assets | 58 |  | 200 |
Investments Of Consolidated Blackstone Funds | Consolidated Equity Securities | Level 3 | Other |  |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |  |
Fair value assets | 2,947 |  | 1,880 |
Investments Of Consolidated Blackstone Funds | Partnership And LLC Interests | Discounted Cash Flows | Weighted Average |  |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |  |
Discount Rate | 8.90% | [1] | 8.90% | [1]
Revenue CAGR | 5.50% | [1] | 5.30% | [1]
Exit Multiple - EBITDA | 9.9 | [1] | 10.0 | [1]
Exit Capitalization Rate | 7.00% | [1] | 7.00% | [1]
Investments Of Consolidated Blackstone Funds | Partnership And LLC Interests | Discounted Cash Flows | Minimum |  |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |  |
Discount Rate | 5.00% |  | 5.30% |
Revenue CAGR | (0.50%) |  | (8.20%) |
Exit Multiple - EBITDA | 3.0 |  | 4.5 |
Exit Capitalization Rate | 4.30% |  | 1.00% |
Investments Of Consolidated Blackstone Funds | Partnership And LLC Interests | Discounted Cash Flows | Maximum |  |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |  |
Discount Rate | 22.50% |  | 22.60% |
Revenue CAGR | 39.30% |  | 62.00% |
Exit Multiple - EBITDA | 23.3 |  | 15.4 |
Exit Capitalization Rate | 10.50% |  | 10.50% |
Investments Of Consolidated Blackstone Funds | Partnership And LLC Interests | Level 3 | Discounted Cash Flows |  |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |  |
Fair value assets | 635,164 |  | 562,678 |
Investments Of Consolidated Blackstone Funds | Partnership And LLC Interests | Level 3 | Transaction Price Valuation Technique |  |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |  |
Fair value assets | 8,419 |  | 13,316 |
Investments Of Consolidated Blackstone Funds | Partnership And LLC Interests | Level 3 | Third Party Pricing Valuation Technique |  |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |  |
Fair value assets | 7,919 |  | 5,157 |
Investments Of Consolidated Blackstone Funds | Partnership And LLC Interests | Level 3 | Other |  |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |  |
Fair value assets | 928 |  |  |
Investments Of Consolidated Blackstone Funds | Debt Instruments | Discounted Cash Flows |  |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |  |
Pre-payment Rate | 20.00% |  | 20.00% |
Recovery Lag | 12 months |  | 12 months |
Recovery Rate | 66.00% |  | 70.00% |
Default Rate | 2.00% |  | 2.00% |
Exit Multiple - EBITDA |  |  | 9.5 |
Investments Of Consolidated Blackstone Funds | Debt Instruments | Discounted Cash Flows | LIBOR |  |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |  |
Reinvestment Rate | 4.00% |  | 4.00% |
Investments Of Consolidated Blackstone Funds | Debt Instruments | Discounted Cash Flows | Weighted Average |  |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |  |
Discount Rate | 16.50% | [1] | 15.60% | [1]
Revenue CAGR | 2.50% | [1] | 3.80% | [1]
Default Rate | 6.90% | [1] |  |
Exit Multiple - EBITDA | 10.6 | [1] |  |
Exit Capitalization Rate |  |  | 7.10% | [1]
Investments Of Consolidated Blackstone Funds | Debt Instruments | Discounted Cash Flows | Minimum |  |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |  |
Discount Rate | 8.40% |  | 7.80% |
Revenue CAGR | 1.60% |  | 2.90% |
Exit Multiple - EBITDA | 5.8 |  |  |
Exit Capitalization Rate | 6.80% |  | 7.00% |
Investments Of Consolidated Blackstone Funds | Debt Instruments | Discounted Cash Flows | Maximum |  |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |  |
Discount Rate | 20.00% |  | 42.00% |
Revenue CAGR | 3.70% |  | 5.10% |
Exit Multiple - EBITDA | 11.5 |  |  |
Exit Capitalization Rate | 7.50% |  | 7.50% |
Investments Of Consolidated Blackstone Funds | Debt Instruments | Market Comparable Companies | Weighted Average |  |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |  |
EBITDA Multiple | 6.3 | [1] | 6.7 | [1]
Investments Of Consolidated Blackstone Funds | Debt Instruments | Market Comparable Companies | Minimum |  |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |  |
EBITDA Multiple | 6.3 |  | 6.5 |
Investments Of Consolidated Blackstone Funds | Debt Instruments | Market Comparable Companies | Maximum |  |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |  |
EBITDA Multiple | 7.9 |  | 7.5 |
Investments Of Consolidated Blackstone Funds | Debt Instruments | Level 3 | Discounted Cash Flows |  |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |  |
Fair value assets | 14,328 |  | 13,056 |
Investments Of Consolidated Blackstone Funds | Debt Instruments | Level 3 | Market Comparable Companies |  |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |  |
Fair value assets | 278 |  | 664 |
Investments Of Consolidated Blackstone Funds | Debt Instruments | Level 3 | Transaction Price Valuation Technique |  |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |  |
Fair value assets | 528 |  |  |
Investments Of Consolidated Blackstone Funds | Debt Instruments | Level 3 | Third Party Pricing Valuation Technique |  |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |  |
Fair value assets | 44,397 |  | 4,004 |
Investments Of Consolidated Blackstone Funds | Assets Of Consolidated CLO Vehicles | Discounted Cash Flows |  |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |  |
Revenue CAGR | 5.60% |  |  |
Exit Multiple - EBITDA | 7.0 |  |  |
Investments Of Consolidated Blackstone Funds | Assets Of Consolidated CLO Vehicles | Discounted Cash Flows | Weighted Average |  |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |  |
Discount Rate | 7.30% | [1] | 9.30% | [1]
Investments Of Consolidated Blackstone Funds | Assets Of Consolidated CLO Vehicles | Discounted Cash Flows | Minimum |  |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |  |
Discount Rate | 7.00% |  | 7.00% |
Investments Of Consolidated Blackstone Funds | Assets Of Consolidated CLO Vehicles | Discounted Cash Flows | Maximum |  |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |  |
Discount Rate | 13.00% |  | 15.70% |
Investments Of Consolidated Blackstone Funds | Assets Of Consolidated CLO Vehicles | Market Comparable Companies | Weighted Average |  |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |  |
EBITDA Multiple | 6.9 | [1] | 6.5 | [1]
Liquidity Discount |  |  | 8.40% | [1]
Investments Of Consolidated Blackstone Funds | Assets Of Consolidated CLO Vehicles | Market Comparable Companies | Minimum |  |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |  |
EBITDA Multiple | 2.0 |  | 2.0 |
Liquidity Discount |  |  | 1.00% |
Investments Of Consolidated Blackstone Funds | Assets Of Consolidated CLO Vehicles | Market Comparable Companies | Maximum |  |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |  |
EBITDA Multiple | 11.4 |  | 13.0 |
Liquidity Discount |  |  | 25.00% |
Investments Of Consolidated Blackstone Funds | Assets Of Consolidated CLO Vehicles | Level 3 | Discounted Cash Flows |  |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |  |
Fair value assets | 61,564 |  | 132,171 |
Investments Of Consolidated Blackstone Funds | Assets Of Consolidated CLO Vehicles | Level 3 | Market Comparable Companies |  |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |  |
Fair value assets | 256,496 |  | 278,972 |
Investments Of Consolidated Blackstone Funds | Assets Of Consolidated CLO Vehicles | Level 3 | Transaction Price Valuation Technique |  |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |  |
Fair value assets | 56 |  | 10 |
Investments Of Consolidated Blackstone Funds | Assets Of Consolidated CLO Vehicles | Level 3 | Third Party Pricing Valuation Technique |  |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |  |
Fair value assets | 749,162 |  | 900,146 |
Investments Of Consolidated Blackstone Funds | Investment Funds | Level 3 | Net Asset Value Valuation Technique |  |  |  |
Fair Value, Option, Quantitative Disclosures [Line Items] |  |  |  |
Fair value assets | $ 1,096,331 |  | $ 890,465 |
[1] | Unobservable inputs were weighted based on the fair value of the investments included in the range.

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