Fair Value Measurement - Quantitative Information about Partnership's Level III Inputs (Detail) $ / shares in Units, $ in Millions | 12 Months Ended |
Dec. 31, 2015USD ($)$ / shares | Dec. 31, 2014USD ($)Multiplier$ / shares |
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | |
Fair value of liabilities | $ 17,175.7 | $ 16,269.9 |
Level III | | |
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | |
Fair value of assets | 20,601.3 | 21,783.6 |
Fair value of liabilities | 17,172 | 16,266.7 |
Level III | Senior secured notes | Discounted Cash Flow with Consensus Pricing | | |
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | |
Fair value of liabilities | $ 15,915.5 | $ 14,757.5 |
Valuation Technique(s) Liabilities | Discounted Cash Flow with Consensus Pricing | Discounted Cash Flow with Consensus Pricing |
Level III | Senior secured notes | Discounted Cash Flow with Consensus Pricing | Minimum | | |
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | |
Indicative Quotes Range Percentage | 38.00% | 35.00% |
Recovery Rates Range Percentage | 55.00% | 63.00% |
Discount Rate Range Percentage | 1.00% | 1.00% |
Default Rates Range Percentage | 1.00% | 1.00% |
Level III | Senior secured notes | Discounted Cash Flow with Consensus Pricing | Maximum | | |
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | |
Indicative Quotes Range Percentage | 102.00% | 100.00% |
Recovery Rates Range Percentage | 80.00% | 75.00% |
Discount Rate Range Percentage | 12.00% | 11.00% |
Default Rates Range Percentage | 5.00% | 3.00% |
Level III | Senior secured notes | Discounted Cash Flow with Consensus Pricing | Weighted Average | | |
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | |
Indicative Quotes Range Percentage | 98.00% | 98.00% |
Recovery Rates Range Percentage | 63.00% | 68.00% |
Discount Rate Range Percentage | 3.00% | 3.00% |
Default Rates Range Percentage | 3.00% | 2.00% |
Level III | Subordinated notes and preferred shares | Discounted Cash Flow with Consensus Pricing | | |
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | |
Fair value of liabilities | $ 1,112.4 | $ 1,278.8 |
Valuation Technique(s) Liabilities | Discounted Cash Flow with Consensus Pricing | Discounted Cash Flow with Consensus Pricing |
Level III | Subordinated notes and preferred shares | Discounted Cash Flow with Consensus Pricing | Minimum | | |
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | |
Indicative Quotes Range Percentage | 1.00% | 1.00% |
Recovery Rates Range Percentage | 55.00% | 63.00% |
Discount Rate Range Percentage | 9.00% | 8.00% |
Default Rates Range Percentage | 1.00% | 1.00% |
Level III | Subordinated notes and preferred shares | Discounted Cash Flow with Consensus Pricing | Maximum | | |
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | |
Indicative Quotes Range Percentage | 101.00% | 132.00% |
Recovery Rates Range Percentage | 80.00% | 75.00% |
Discount Rate Range Percentage | 16.00% | 15.00% |
Default Rates Range Percentage | 5.00% | 3.00% |
Level III | Subordinated notes and preferred shares | Discounted Cash Flow with Consensus Pricing | Weighted Average | | |
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | |
Indicative Quotes Range Percentage | 55.00% | 63.00% |
Recovery Rates Range Percentage | 64.00% | 68.00% |
Discount Rate Range Percentage | 12.00% | 10.00% |
Default Rates Range Percentage | 3.00% | 2.00% |
Level III | Combination notes | Consensus Pricing | | |
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | |
Fair value of liabilities | $ 18.8 | $ 15.9 |
Valuation Technique(s) Liabilities | Consensus Pricing | Consensus Pricing |
Level III | Combination notes | Consensus Pricing | Minimum | | |
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | |
Indicative Quotes Range Percentage | 88.00% | 97.00% |
Level III | Combination notes | Consensus Pricing | Maximum | | |
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | |
Indicative Quotes Range Percentage | 96.00% | 98.00% |
Level III | Combination notes | Consensus Pricing | Weighted Average | | |
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | |
Indicative Quotes Range Percentage | 94.00% | 98.00% |
Level III | Loans Payable of a consolidated real estate VIE | Discounted Cash Flow | | |
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | |
Fair value of liabilities | $ 75.4 | $ 146.2 |
Valuation Technique(s) Liabilities | Discounted Cash Flow | Discounted Cash Flow |
Level III | Loans Payable of a consolidated real estate VIE | Discounted Cash Flow | Minimum | | |
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | |
Discount to Expected Payment | 10.00% | 0.00% |
Discount Rate Range Percentage | 20.00% | 23.00% |
Level III | Loans Payable of a consolidated real estate VIE | Discounted Cash Flow | Maximum | | |
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | |
Discount to Expected Payment | 52.00% | 100.00% |
Discount Rate Range Percentage | 30.00% | 33.00% |
Level III | Loans Payable of a consolidated real estate VIE | Discounted Cash Flow | Weighted Average | | |
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | |
Discount to Expected Payment | 35.00% | 36.00% |
Discount Rate Range Percentage | 23.00% | 26.00% |
Level III | Derivative instruments of Consolidated Funds | Counterparty Pricing | | |
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | |
Fair value of liabilities | $ 29.1 | $ 17.2 |
Valuation Technique(s) Liabilities | Counterparty Pricing | Counterparty Pricing |
Level III | Derivative instruments of Consolidated Funds | Counterparty Pricing | Minimum | | |
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | |
Indicative Quotes Range Notional Amount | 3.00% | 2.00% |
Level III | Derivative instruments of Consolidated Funds | Counterparty Pricing | Maximum | | |
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | |
Indicative Quotes Range Notional Amount | 34.00% | 22.00% |
Level III | Derivative instruments of Consolidated Funds | Counterparty Pricing | Weighted Average | | |
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | |
Indicative Quotes Range Notional Amount | 22.00% | 11.00% |
Level III | Contingent cash consideration | Discounted Cash Flow | | |
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | |
Fair value of liabilities | $ 20.8 | $ 51.1 |
Valuation Technique(s) Liabilities | Discounted Cash Flow | Discounted Cash Flow |
Level III | Contingent cash consideration | Discounted Cash Flow | Minimum | | |
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | |
Assumed Range Percentage of Total Potential Contingent Payments | 0.00% | 0.00% |
Discount Rate Range Percentage | 4.00% | 5.00% |
Level III | Contingent cash consideration | Discounted Cash Flow | Maximum | | |
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | |
Assumed Range Percentage of Total Potential Contingent Payments | 100.00% | 100.00% |
Discount Rate Range Percentage | 22.00% | 18.00% |
Level III | Contingent cash consideration | Discounted Cash Flow | Weighted Average | | |
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | |
Assumed Range Percentage of Total Potential Contingent Payments | 8.00% | 20.00% |
Discount Rate Range Percentage | 9.00% | 13.00% |
Level III | Equity securities | Comparable Multiple 1 | | |
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | |
Fair value of assets | $ 556 | $ 1,783.7 |
Valuation Technique(s) Assets | Comparable Multiple | Comparable Multiple |
Level III | Equity securities | Comparable Multiple 1 | Minimum | | |
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | |
LTM EBITDA Multiple Range | 1 | 4.8 |
Level III | Equity securities | Comparable Multiple 1 | Maximum | | |
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | |
LTM EBITDA Multiple Range | 20.4 | 16.2 |
Level III | Equity securities | Comparable Multiple 1 | Weighted Average | | |
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | |
LTM EBITDA Multiple Range | 11.4 | 12.1 |
Level III | Equity securities | Comparable Multiple 2 | | |
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | |
Fair value of assets | | $ 168.7 |
Valuation Technique(s) Assets | | Comparable Multiple |
Level III | Equity securities | Comparable Multiple 2 | Minimum | | |
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | |
Forward Ebitda Multiple Range | Multiplier | | 8.4 |
Level III | Equity securities | Comparable Multiple 2 | Maximum | | |
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | |
Forward Ebitda Multiple Range | Multiplier | | 8.4 |
Level III | Equity securities | Comparable Multiple 2 | Weighted Average | | |
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | |
Forward Ebitda Multiple Range | Multiplier | | 8.4 |
Level III | Equity securities | Consensus Pricing | | |
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | |
Fair value of assets | $ 6.1 | $ 16.1 |
Valuation Technique(s) Assets | Consensus Pricing | Consensus Pricing |
Level III | Equity securities | Consensus Pricing | Minimum | | |
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | |
Indicative Quotes Per Share | $ / shares | $ 0 | $ 0 |
Level III | Equity securities | Consensus Pricing | Maximum | | |
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | |
Indicative Quotes Per Share | $ / shares | 647 | 246 |
Level III | Equity securities | Consensus Pricing | Weighted Average | | |
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | |
Indicative Quotes Per Share | $ / shares | $ 0 | $ 0 |
Level III | Equity securities | Discounted Cash Flow | | |
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | |
Fair value of assets | $ 8 | |
Valuation Technique(s) Assets | Discounted Cash Flow | |
Level III | Equity securities | Discounted Cash Flow | Minimum | | |
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | |
Discount Rate Range Percentage | 10.00% | |
Level III | Equity securities | Discounted Cash Flow | Maximum | | |
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | |
Discount Rate Range Percentage | 10.00% | |
Level III | Equity securities | Discounted Cash Flow | Weighted Average | | |
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | |
Discount Rate Range Percentage | 10.00% | |
Level III | Equity securities | Other Valuation Technique | | |
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | |
Fair value of assets | $ 5.2 | |
Valuation Technique(s) Assets | Other | |
Level III | Bonds | Consensus Pricing | | |
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | |
Fair value of assets | $ 1,180.9 | $ 1,235.8 |
Valuation Technique(s) Assets | Consensus Pricing | Consensus Pricing |
Level III | Bonds | Consensus Pricing | Minimum | | |
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | |
Indicative Quotes Range Percentage | 30.00% | 1.00% |
Level III | Bonds | Consensus Pricing | Maximum | | |
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | |
Indicative Quotes Range Percentage | 112.00% | 115.00% |
Level III | Bonds | Consensus Pricing | Weighted Average | | |
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | |
Indicative Quotes Range Percentage | 97.00% | 98.00% |
Level III | Loans | Consensus Pricing | | |
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | |
Fair value of assets | $ 15,673.3 | $ 14,873.4 |
Valuation Technique(s) Assets | Consensus Pricing | Consensus Pricing |
Level III | Loans | Consensus Pricing | Minimum | | |
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | |
Indicative Quotes Range Percentage | 28.00% | 0.00% |
Level III | Loans | Consensus Pricing | Maximum | | |
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | |
Indicative Quotes Range Percentage | 102.00% | 103.00% |
Level III | Loans | Consensus Pricing | Weighted Average | | |
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | |
Indicative Quotes Range Percentage | 96.00% | 98.00% |
Level III | Loans | Market Yield Analysis | | |
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | |
Fair value of assets | $ 13.4 | $ 211.5 |
Valuation Technique(s) Assets | Market Yield Analysis | Market Yield Analysis |
Level III | Loans | Market Yield Analysis | Minimum | | |
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | |
Discount Rate Range Percentage | 5.00% | |
Market Yield Range Percentage | | 5.00% |
Level III | Loans | Market Yield Analysis | Maximum | | |
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | |
Discount Rate Range Percentage | 16.00% | |
Market Yield Range Percentage | | 17.00% |
Level III | Loans | Market Yield Analysis | Weighted Average | | |
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | |
Discount Rate Range Percentage | 10.00% | |
Market Yield Range Percentage | | 11.00% |
Level III | Partnership and LLC interests | Discounted Cash Flow | | |
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | |
Fair value of assets | $ 59.6 | |
Valuation Technique(s) Assets | Discounted Cash Flow | |
Level III | Partnership and LLC interests | Discounted Cash Flow | Minimum | | |
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | |
Discount Rate Range Percentage | 8.00% | |
Exit Cap Rate Valuation Technique | 5.00% | |
Level III | Partnership and LLC interests | Discounted Cash Flow | Maximum | | |
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | |
Discount Rate Range Percentage | 10.00% | |
Exit Cap Rate Valuation Technique | 6.00% | |
Level III | Partnership and LLC interests | Discounted Cash Flow | Weighted Average | | |
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | |
Discount Rate Range Percentage | 9.00% | |
Exit Cap Rate Valuation Technique | 5.00% | |
Level III | Partnership and LLC interests | NAV of Underlying Fund | | |
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | |
Fair value of assets | $ 3,083.7 | $ 3,481 |
Valuation Technique(s) Assets | NAV of Underlying Fund(1) | NAV of Underlying Fund(1) |
Level III | Other | Counterparty Pricing | | |
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | |
Fair value of assets | $ 5 | $ 1.5 |
Valuation Technique(s) Assets | Counterparty Pricing | Counterparty Pricing |
Level III | Other | Counterparty Pricing | Minimum | | |
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | |
Indicative Quotes Range Notional Amount | 1.00% | 0.00% |
Level III | Other | Counterparty Pricing | Maximum | | |
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | |
Indicative Quotes Range Notional Amount | 22.00% | 6.00% |
Level III | Other | Counterparty Pricing | Weighted Average | | |
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | |
Indicative Quotes Range Notional Amount | 7.00% | 3.00% |
Level III | Investments of Consolidated Funds | | |
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | |
Fair value of assets | $ 20,591.2 | $ 21,771.7 |
Level III | Trading securities | Comparable Multiple 1 | | |
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | |
Fair value of assets | $ 1.4 | $ 3 |
Valuation Technique(s) Assets | Comparable Multiple | Comparable Multiple |
Level III | Trading securities | Comparable Multiple 1 | Minimum | | |
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | |
LTM EBITDA Multiple Range | 5.8 | 5.8 |
Level III | Trading securities | Comparable Multiple 1 | Maximum | | |
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | |
LTM EBITDA Multiple Range | 5.8 | 5.8 |
Level III | Trading securities | Comparable Multiple 1 | Weighted Average | | |
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | |
LTM EBITDA Multiple Range | 5.8 | 5.8 |
Level III | Trading securities | Discounted Cash Flow | | |
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | |
Fair value of assets | | $ 0.3 |
Valuation Technique(s) Assets | | Discounted Cash Flow |
Level III | Trading securities | Discounted Cash Flow | Minimum | | |
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | |
Discount Rate Range Percentage | | 10.00% |
Level III | Trading securities | Discounted Cash Flow | Maximum | | |
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | |
Discount Rate Range Percentage | | 10.00% |
Level III | Trading securities | Discounted Cash Flow | Weighted Average | | |
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | |
Discount Rate Range Percentage | | 10.00% |
Level III | Restricted securities of Consolidated Funds | Consensus Pricing | | |
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | |
Fair value of assets | $ 8.7 | $ 8.6 |
Valuation Technique(s) Assets | Consensus Pricing | Consensus Pricing |
Level III | Restricted securities of Consolidated Funds | Consensus Pricing | Minimum | | |
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | |
Indicative Quotes Range Notional Amount | 88.00% | 87.00% |
Level III | Restricted securities of Consolidated Funds | Consensus Pricing | Maximum | | |
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | |
Indicative Quotes Range Notional Amount | 88.00% | 87.00% |
Level III | Restricted securities of Consolidated Funds | Consensus Pricing | Weighted Average | | |
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] | | |
Indicative Quotes Range Notional Amount | 88.00% | 87.00% |