|
Summary of Quantitative Inputs and Assumptions for Items Categorized in Level III of Fair Value Hierarchy (Detail) (USD $)
In Thousands, unless otherwise specified
|
3 Months Ended |
12 Months Ended |
|
Mar. 31, 2015
|
Dec. 31, 2014
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
|
| Fair value assets |
6,444,914us-gaap_AssetsFairValueDisclosure |
|
6,760,099us-gaap_AssetsFairValueDisclosure |
|
| Fair value liabilities |
6,933,747us-gaap_LiabilitiesFairValueDisclosure |
|
6,797,104us-gaap_LiabilitiesFairValueDisclosure |
|
| Level 3 |
|
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
|
| Fair value assets |
3,803,853us-gaap_AssetsFairValueDisclosure
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel3Member |
|
3,740,693us-gaap_AssetsFairValueDisclosure
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel3Member |
|
| Discounted Cash Flows | Liabilities of Consolidated CLO Vehicles |
|
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
|
| Default Rate |
2.00%us-gaap_FairValueInputsProbabilityOfDefault
/ us-gaap_FairValueByLiabilityClassAxis
= bx_LiabilitiesOfConsolidatedCloVehiclesMember
/ us-gaap_ValuationTechniqueAxis
= bx_DiscountedCashFlowsMember |
|
2.00%us-gaap_FairValueInputsProbabilityOfDefault
/ us-gaap_FairValueByLiabilityClassAxis
= bx_LiabilitiesOfConsolidatedCloVehiclesMember
/ us-gaap_ValuationTechniqueAxis
= bx_DiscountedCashFlowsMember |
|
| Recovery Lag |
12 months |
|
12 months |
|
| Pre-payment Rate |
20.00%us-gaap_FairValueInputsPrepaymentRate
/ us-gaap_FairValueByLiabilityClassAxis
= bx_LiabilitiesOfConsolidatedCloVehiclesMember
/ us-gaap_ValuationTechniqueAxis
= bx_DiscountedCashFlowsMember |
|
20.00%us-gaap_FairValueInputsPrepaymentRate
/ us-gaap_FairValueByLiabilityClassAxis
= bx_LiabilitiesOfConsolidatedCloVehiclesMember
/ us-gaap_ValuationTechniqueAxis
= bx_DiscountedCashFlowsMember |
|
| Discounted Cash Flows | Liabilities of Consolidated CLO Vehicles | Level 3 |
|
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
|
| Fair value liabilities |
6,933,747us-gaap_LiabilitiesFairValueDisclosure
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel3Member
/ us-gaap_FairValueByLiabilityClassAxis
= bx_LiabilitiesOfConsolidatedCloVehiclesMember
/ us-gaap_ValuationTechniqueAxis
= bx_DiscountedCashFlowsMember |
|
6,797,104us-gaap_LiabilitiesFairValueDisclosure
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel3Member
/ us-gaap_FairValueByLiabilityClassAxis
= bx_LiabilitiesOfConsolidatedCloVehiclesMember
/ us-gaap_ValuationTechniqueAxis
= bx_DiscountedCashFlowsMember |
|
| Discounted Cash Flows | Liabilities of Consolidated CLO Vehicles | LIBOR |
|
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
|
| Reinvestment Rate |
4.00%bx_FairValueInputsReinvestmentRate
/ us-gaap_FairValueByLiabilityClassAxis
= bx_LiabilitiesOfConsolidatedCloVehiclesMember
/ us-gaap_ValuationTechniqueAxis
= bx_DiscountedCashFlowsMember
/ us-gaap_VariableRateAxis
= us-gaap_LondonInterbankOfferedRateLIBORMember |
|
4.00%bx_FairValueInputsReinvestmentRate
/ us-gaap_FairValueByLiabilityClassAxis
= bx_LiabilitiesOfConsolidatedCloVehiclesMember
/ us-gaap_ValuationTechniqueAxis
= bx_DiscountedCashFlowsMember
/ us-gaap_VariableRateAxis
= us-gaap_LondonInterbankOfferedRateLIBORMember |
|
| Discounted Cash Flows | Weighted Average | Liabilities of Consolidated CLO Vehicles |
|
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
|
| Discount Rate |
2.90%us-gaap_FairValueInputsDiscountRate
/ us-gaap_FairValueByLiabilityClassAxis
= bx_LiabilitiesOfConsolidatedCloVehiclesMember
/ us-gaap_RangeAxis
= us-gaap_WeightedAverageMember
/ us-gaap_ValuationTechniqueAxis
= bx_DiscountedCashFlowsMember |
[1] |
2.30%us-gaap_FairValueInputsDiscountRate
/ us-gaap_FairValueByLiabilityClassAxis
= bx_LiabilitiesOfConsolidatedCloVehiclesMember
/ us-gaap_RangeAxis
= us-gaap_WeightedAverageMember
/ us-gaap_ValuationTechniqueAxis
= bx_DiscountedCashFlowsMember |
[1] |
| Recovery Rate |
66.00%bx_FairValueInputsRecoveryRate
/ us-gaap_FairValueByLiabilityClassAxis
= bx_LiabilitiesOfConsolidatedCloVehiclesMember
/ us-gaap_RangeAxis
= us-gaap_WeightedAverageMember
/ us-gaap_ValuationTechniqueAxis
= bx_DiscountedCashFlowsMember |
[1] |
66.00%bx_FairValueInputsRecoveryRate
/ us-gaap_FairValueByLiabilityClassAxis
= bx_LiabilitiesOfConsolidatedCloVehiclesMember
/ us-gaap_RangeAxis
= us-gaap_WeightedAverageMember
/ us-gaap_ValuationTechniqueAxis
= bx_DiscountedCashFlowsMember |
[1] |
| Discounted Cash Flows | Minimum | Liabilities of Consolidated CLO Vehicles |
|
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
|
| Discount Rate |
0.60%us-gaap_FairValueInputsDiscountRate
/ us-gaap_FairValueByLiabilityClassAxis
= bx_LiabilitiesOfConsolidatedCloVehiclesMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
/ us-gaap_ValuationTechniqueAxis
= bx_DiscountedCashFlowsMember |
|
0.30%us-gaap_FairValueInputsDiscountRate
/ us-gaap_FairValueByLiabilityClassAxis
= bx_LiabilitiesOfConsolidatedCloVehiclesMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
/ us-gaap_ValuationTechniqueAxis
= bx_DiscountedCashFlowsMember |
|
| Recovery Rate |
30.00%bx_FairValueInputsRecoveryRate
/ us-gaap_FairValueByLiabilityClassAxis
= bx_LiabilitiesOfConsolidatedCloVehiclesMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
/ us-gaap_ValuationTechniqueAxis
= bx_DiscountedCashFlowsMember |
|
30.00%bx_FairValueInputsRecoveryRate
/ us-gaap_FairValueByLiabilityClassAxis
= bx_LiabilitiesOfConsolidatedCloVehiclesMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
/ us-gaap_ValuationTechniqueAxis
= bx_DiscountedCashFlowsMember |
|
| Discounted Cash Flows | Maximum | Liabilities of Consolidated CLO Vehicles |
|
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
|
| Discount Rate |
29.00%us-gaap_FairValueInputsDiscountRate
/ us-gaap_FairValueByLiabilityClassAxis
= bx_LiabilitiesOfConsolidatedCloVehiclesMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
/ us-gaap_ValuationTechniqueAxis
= bx_DiscountedCashFlowsMember |
|
19.30%us-gaap_FairValueInputsDiscountRate
/ us-gaap_FairValueByLiabilityClassAxis
= bx_LiabilitiesOfConsolidatedCloVehiclesMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
/ us-gaap_ValuationTechniqueAxis
= bx_DiscountedCashFlowsMember |
|
| Recovery Rate |
70.00%bx_FairValueInputsRecoveryRate
/ us-gaap_FairValueByLiabilityClassAxis
= bx_LiabilitiesOfConsolidatedCloVehiclesMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
/ us-gaap_ValuationTechniqueAxis
= bx_DiscountedCashFlowsMember |
|
70.00%bx_FairValueInputsRecoveryRate
/ us-gaap_FairValueByLiabilityClassAxis
= bx_LiabilitiesOfConsolidatedCloVehiclesMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
/ us-gaap_ValuationTechniqueAxis
= bx_DiscountedCashFlowsMember |
|
| Blackstone's Treasury Cash Management Strategies | Discounted Cash Flows |
|
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
|
| Default Rate |
1.00%us-gaap_FairValueInputsProbabilityOfDefault
/ us-gaap_FairValueByAssetClassAxis
= bx_BlackstoneTreasuryCashManagementStrategiesMember
/ us-gaap_ValuationTechniqueAxis
= bx_DiscountedCashFlowsMember |
|
|
|
| Discount Rate |
|
|
1.00%us-gaap_FairValueInputsDiscountRate
/ us-gaap_FairValueByAssetClassAxis
= bx_BlackstoneTreasuryCashManagementStrategiesMember
/ us-gaap_ValuationTechniqueAxis
= bx_DiscountedCashFlowsMember |
|
| Recovery Lag |
12 months |
|
12 months |
|
| Pre-payment Rate |
30.00%us-gaap_FairValueInputsPrepaymentRate
/ us-gaap_FairValueByAssetClassAxis
= bx_BlackstoneTreasuryCashManagementStrategiesMember
/ us-gaap_ValuationTechniqueAxis
= bx_DiscountedCashFlowsMember |
|
30.00%us-gaap_FairValueInputsPrepaymentRate
/ us-gaap_FairValueByAssetClassAxis
= bx_BlackstoneTreasuryCashManagementStrategiesMember
/ us-gaap_ValuationTechniqueAxis
= bx_DiscountedCashFlowsMember |
|
| Blackstone's Treasury Cash Management Strategies | Discounted Cash Flows | Level 3 |
|
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
|
| Fair value assets |
28,238us-gaap_AssetsFairValueDisclosure
/ us-gaap_FairValueByAssetClassAxis
= bx_BlackstoneTreasuryCashManagementStrategiesMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel3Member
/ us-gaap_ValuationTechniqueAxis
= bx_DiscountedCashFlowsMember |
|
26,167us-gaap_AssetsFairValueDisclosure
/ us-gaap_FairValueByAssetClassAxis
= bx_BlackstoneTreasuryCashManagementStrategiesMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel3Member
/ us-gaap_ValuationTechniqueAxis
= bx_DiscountedCashFlowsMember |
|
| Blackstone's Treasury Cash Management Strategies | Discounted Cash Flows | LIBOR |
|
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
|
| Reinvestment Rate |
4.50%bx_FairValueInputsReinvestmentRate
/ us-gaap_FairValueByAssetClassAxis
= bx_BlackstoneTreasuryCashManagementStrategiesMember
/ us-gaap_ValuationTechniqueAxis
= bx_DiscountedCashFlowsMember
/ us-gaap_VariableRateAxis
= us-gaap_LondonInterbankOfferedRateLIBORMember |
|
4.50%bx_FairValueInputsReinvestmentRate
/ us-gaap_FairValueByAssetClassAxis
= bx_BlackstoneTreasuryCashManagementStrategiesMember
/ us-gaap_ValuationTechniqueAxis
= bx_DiscountedCashFlowsMember
/ us-gaap_VariableRateAxis
= us-gaap_LondonInterbankOfferedRateLIBORMember |
|
| Blackstone's Treasury Cash Management Strategies | Discounted Cash Flows | Weighted Average |
|
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
|
| Discount Rate |
6.80%us-gaap_FairValueInputsDiscountRate
/ us-gaap_FairValueByAssetClassAxis
= bx_BlackstoneTreasuryCashManagementStrategiesMember
/ us-gaap_RangeAxis
= us-gaap_WeightedAverageMember
/ us-gaap_ValuationTechniqueAxis
= bx_DiscountedCashFlowsMember |
[1] |
7.20%us-gaap_FairValueInputsDiscountRate
/ us-gaap_FairValueByAssetClassAxis
= bx_BlackstoneTreasuryCashManagementStrategiesMember
/ us-gaap_RangeAxis
= us-gaap_WeightedAverageMember
/ us-gaap_ValuationTechniqueAxis
= bx_DiscountedCashFlowsMember |
[1] |
| Recovery Rate |
66.00%bx_FairValueInputsRecoveryRate
/ us-gaap_FairValueByAssetClassAxis
= bx_BlackstoneTreasuryCashManagementStrategiesMember
/ us-gaap_RangeAxis
= us-gaap_WeightedAverageMember
/ us-gaap_ValuationTechniqueAxis
= bx_DiscountedCashFlowsMember |
[1] |
66.00%bx_FairValueInputsRecoveryRate
/ us-gaap_FairValueByAssetClassAxis
= bx_BlackstoneTreasuryCashManagementStrategiesMember
/ us-gaap_RangeAxis
= us-gaap_WeightedAverageMember
/ us-gaap_ValuationTechniqueAxis
= bx_DiscountedCashFlowsMember |
[1] |
| Blackstone's Treasury Cash Management Strategies | Discounted Cash Flows | Minimum |
|
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
|
| Discount Rate |
5.80%us-gaap_FairValueInputsDiscountRate
/ us-gaap_FairValueByAssetClassAxis
= bx_BlackstoneTreasuryCashManagementStrategiesMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
/ us-gaap_ValuationTechniqueAxis
= bx_DiscountedCashFlowsMember |
|
5.80%us-gaap_FairValueInputsDiscountRate
/ us-gaap_FairValueByAssetClassAxis
= bx_BlackstoneTreasuryCashManagementStrategiesMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
/ us-gaap_ValuationTechniqueAxis
= bx_DiscountedCashFlowsMember |
|
| Recovery Rate |
30.00%bx_FairValueInputsRecoveryRate
/ us-gaap_FairValueByAssetClassAxis
= bx_BlackstoneTreasuryCashManagementStrategiesMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
/ us-gaap_ValuationTechniqueAxis
= bx_DiscountedCashFlowsMember |
|
30.00%bx_FairValueInputsRecoveryRate
/ us-gaap_FairValueByAssetClassAxis
= bx_BlackstoneTreasuryCashManagementStrategiesMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
/ us-gaap_ValuationTechniqueAxis
= bx_DiscountedCashFlowsMember |
|
| Blackstone's Treasury Cash Management Strategies | Discounted Cash Flows | Maximum |
|
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
|
| Discount Rate |
10.20%us-gaap_FairValueInputsDiscountRate
/ us-gaap_FairValueByAssetClassAxis
= bx_BlackstoneTreasuryCashManagementStrategiesMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
/ us-gaap_ValuationTechniqueAxis
= bx_DiscountedCashFlowsMember |
|
10.00%us-gaap_FairValueInputsDiscountRate
/ us-gaap_FairValueByAssetClassAxis
= bx_BlackstoneTreasuryCashManagementStrategiesMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
/ us-gaap_ValuationTechniqueAxis
= bx_DiscountedCashFlowsMember |
|
| Recovery Rate |
70.00%bx_FairValueInputsRecoveryRate
/ us-gaap_FairValueByAssetClassAxis
= bx_BlackstoneTreasuryCashManagementStrategiesMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
/ us-gaap_ValuationTechniqueAxis
= bx_DiscountedCashFlowsMember |
|
70.00%bx_FairValueInputsRecoveryRate
/ us-gaap_FairValueByAssetClassAxis
= bx_BlackstoneTreasuryCashManagementStrategiesMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
/ us-gaap_ValuationTechniqueAxis
= bx_DiscountedCashFlowsMember |
|
| Blackstone's Treasury Cash Management Strategies | Net Asset Value Valuation Technique | Level 3 |
|
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
|
| Fair value assets |
10,095us-gaap_AssetsFairValueDisclosure
/ us-gaap_FairValueByAssetClassAxis
= bx_BlackstoneTreasuryCashManagementStrategiesMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel3Member
/ us-gaap_ValuationTechniqueAxis
= bx_NetAssetValueValuationTechniqueMember |
|
10,159us-gaap_AssetsFairValueDisclosure
/ us-gaap_FairValueByAssetClassAxis
= bx_BlackstoneTreasuryCashManagementStrategiesMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel3Member
/ us-gaap_ValuationTechniqueAxis
= bx_NetAssetValueValuationTechniqueMember |
|
| Blackstone's Treasury Cash Management Strategies | Transaction Price Valuation Technique | Level 3 |
|
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
|
| Fair value assets |
3,141us-gaap_AssetsFairValueDisclosure
/ us-gaap_FairValueByAssetClassAxis
= bx_BlackstoneTreasuryCashManagementStrategiesMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel3Member
/ us-gaap_ValuationTechniqueAxis
= bx_TransactionPriceValuationTechniqueMember |
|
4,470us-gaap_AssetsFairValueDisclosure
/ us-gaap_FairValueByAssetClassAxis
= bx_BlackstoneTreasuryCashManagementStrategiesMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel3Member
/ us-gaap_ValuationTechniqueAxis
= bx_TransactionPriceValuationTechniqueMember |
|
| Blackstone's Treasury Cash Management Strategies | Third Party Pricing Valuation Technique | Level 3 |
|
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
|
| Fair value assets |
33,437us-gaap_AssetsFairValueDisclosure
/ us-gaap_FairValueByAssetClassAxis
= bx_BlackstoneTreasuryCashManagementStrategiesMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel3Member
/ us-gaap_ValuationTechniqueAxis
= bx_ThirdPartyPricingValuationTechniqueMember |
|
54,257us-gaap_AssetsFairValueDisclosure
/ us-gaap_FairValueByAssetClassAxis
= bx_BlackstoneTreasuryCashManagementStrategiesMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel3Member
/ us-gaap_ValuationTechniqueAxis
= bx_ThirdPartyPricingValuationTechniqueMember |
|
| Loans And Receivables | Discounted Cash Flows | Level 3 |
|
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
|
| Fair value assets |
19,878us-gaap_AssetsFairValueDisclosure
/ us-gaap_FairValueByAssetClassAxis
= bx_LoansAndReceivablesMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel3Member
/ us-gaap_ValuationTechniqueAxis
= bx_DiscountedCashFlowsMember |
|
26,247us-gaap_AssetsFairValueDisclosure
/ us-gaap_FairValueByAssetClassAxis
= bx_LoansAndReceivablesMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel3Member
/ us-gaap_ValuationTechniqueAxis
= bx_DiscountedCashFlowsMember |
|
| Loans And Receivables | Discounted Cash Flows | Weighted Average |
|
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
|
| Discount Rate |
17.30%us-gaap_FairValueInputsDiscountRate
/ us-gaap_FairValueByAssetClassAxis
= bx_LoansAndReceivablesMember
/ us-gaap_RangeAxis
= us-gaap_WeightedAverageMember
/ us-gaap_ValuationTechniqueAxis
= bx_DiscountedCashFlowsMember |
[1] |
10.90%us-gaap_FairValueInputsDiscountRate
/ us-gaap_FairValueByAssetClassAxis
= bx_LoansAndReceivablesMember
/ us-gaap_RangeAxis
= us-gaap_WeightedAverageMember
/ us-gaap_ValuationTechniqueAxis
= bx_DiscountedCashFlowsMember |
[1] |
| Loans And Receivables | Discounted Cash Flows | Minimum |
|
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
|
| Discount Rate |
16.90%us-gaap_FairValueInputsDiscountRate
/ us-gaap_FairValueByAssetClassAxis
= bx_LoansAndReceivablesMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
/ us-gaap_ValuationTechniqueAxis
= bx_DiscountedCashFlowsMember |
|
10.50%us-gaap_FairValueInputsDiscountRate
/ us-gaap_FairValueByAssetClassAxis
= bx_LoansAndReceivablesMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
/ us-gaap_ValuationTechniqueAxis
= bx_DiscountedCashFlowsMember |
|
| Loans And Receivables | Discounted Cash Flows | Maximum |
|
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
|
| Discount Rate |
17.40%us-gaap_FairValueInputsDiscountRate
/ us-gaap_FairValueByAssetClassAxis
= bx_LoansAndReceivablesMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
/ us-gaap_ValuationTechniqueAxis
= bx_DiscountedCashFlowsMember |
|
12.20%us-gaap_FairValueInputsDiscountRate
/ us-gaap_FairValueByAssetClassAxis
= bx_LoansAndReceivablesMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
/ us-gaap_ValuationTechniqueAxis
= bx_DiscountedCashFlowsMember |
|
| Loans And Receivables | Transaction Price Valuation Technique | Level 3 |
|
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
|
| Fair value assets |
20,813us-gaap_AssetsFairValueDisclosure
/ us-gaap_FairValueByAssetClassAxis
= bx_LoansAndReceivablesMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel3Member
/ us-gaap_ValuationTechniqueAxis
= bx_TransactionPriceValuationTechniqueMember |
|
14,150us-gaap_AssetsFairValueDisclosure
/ us-gaap_FairValueByAssetClassAxis
= bx_LoansAndReceivablesMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel3Member
/ us-gaap_ValuationTechniqueAxis
= bx_TransactionPriceValuationTechniqueMember |
|
| Other | Discounted Cash Flows |
|
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
|
| Default Rate |
2.00%us-gaap_FairValueInputsProbabilityOfDefault
/ us-gaap_FairValueByAssetClassAxis
= bx_InvestmentAssetOtherMember
/ us-gaap_ValuationTechniqueAxis
= bx_DiscountedCashFlowsMember |
|
2.00%us-gaap_FairValueInputsProbabilityOfDefault
/ us-gaap_FairValueByAssetClassAxis
= bx_InvestmentAssetOtherMember
/ us-gaap_ValuationTechniqueAxis
= bx_DiscountedCashFlowsMember |
|
| Recovery Lag |
12 months |
|
12 months |
|
| Pre-payment Rate |
20.00%us-gaap_FairValueInputsPrepaymentRate
/ us-gaap_FairValueByAssetClassAxis
= bx_InvestmentAssetOtherMember
/ us-gaap_ValuationTechniqueAxis
= bx_DiscountedCashFlowsMember |
|
20.00%us-gaap_FairValueInputsPrepaymentRate
/ us-gaap_FairValueByAssetClassAxis
= bx_InvestmentAssetOtherMember
/ us-gaap_ValuationTechniqueAxis
= bx_DiscountedCashFlowsMember |
|
| Other | Discounted Cash Flows | Level 3 |
|
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
|
| Fair value assets |
82,370us-gaap_AssetsFairValueDisclosure
/ us-gaap_FairValueByAssetClassAxis
= bx_InvestmentAssetOtherMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel3Member
/ us-gaap_ValuationTechniqueAxis
= bx_DiscountedCashFlowsMember |
|
92,604us-gaap_AssetsFairValueDisclosure
/ us-gaap_FairValueByAssetClassAxis
= bx_InvestmentAssetOtherMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel3Member
/ us-gaap_ValuationTechniqueAxis
= bx_DiscountedCashFlowsMember |
|
| Other | Discounted Cash Flows | LIBOR |
|
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
|
| Reinvestment Rate |
4.50%bx_FairValueInputsReinvestmentRate
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/ us-gaap_ValuationTechniqueAxis
= bx_DiscountedCashFlowsMember
/ us-gaap_VariableRateAxis
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|
4.00%bx_FairValueInputsReinvestmentRate
/ us-gaap_FairValueByAssetClassAxis
= bx_InvestmentAssetOtherMember
/ us-gaap_ValuationTechniqueAxis
= bx_DiscountedCashFlowsMember
/ us-gaap_VariableRateAxis
= us-gaap_LondonInterbankOfferedRateLIBORMember |
|
| Other | Discounted Cash Flows | Weighted Average |
|
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
|
| Discount Rate |
3.30%us-gaap_FairValueInputsDiscountRate
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/ us-gaap_RangeAxis
= us-gaap_WeightedAverageMember
/ us-gaap_ValuationTechniqueAxis
= bx_DiscountedCashFlowsMember |
[1] |
2.90%us-gaap_FairValueInputsDiscountRate
/ us-gaap_FairValueByAssetClassAxis
= bx_InvestmentAssetOtherMember
/ us-gaap_RangeAxis
= us-gaap_WeightedAverageMember
/ us-gaap_ValuationTechniqueAxis
= bx_DiscountedCashFlowsMember |
[1] |
| Recovery Rate |
66.00%bx_FairValueInputsRecoveryRate
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= bx_InvestmentAssetOtherMember
/ us-gaap_RangeAxis
= us-gaap_WeightedAverageMember
/ us-gaap_ValuationTechniqueAxis
= bx_DiscountedCashFlowsMember |
[1] |
66.00%bx_FairValueInputsRecoveryRate
/ us-gaap_FairValueByAssetClassAxis
= bx_InvestmentAssetOtherMember
/ us-gaap_RangeAxis
= us-gaap_WeightedAverageMember
/ us-gaap_ValuationTechniqueAxis
= bx_DiscountedCashFlowsMember |
[1] |
| Other | Discounted Cash Flows | Minimum |
|
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
|
| Discount Rate |
1.60%us-gaap_FairValueInputsDiscountRate
/ us-gaap_FairValueByAssetClassAxis
= bx_InvestmentAssetOtherMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
/ us-gaap_ValuationTechniqueAxis
= bx_DiscountedCashFlowsMember |
|
1.30%us-gaap_FairValueInputsDiscountRate
/ us-gaap_FairValueByAssetClassAxis
= bx_InvestmentAssetOtherMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
/ us-gaap_ValuationTechniqueAxis
= bx_DiscountedCashFlowsMember |
|
| Recovery Rate |
30.00%bx_FairValueInputsRecoveryRate
/ us-gaap_FairValueByAssetClassAxis
= bx_InvestmentAssetOtherMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
/ us-gaap_ValuationTechniqueAxis
= bx_DiscountedCashFlowsMember |
|
30.00%bx_FairValueInputsRecoveryRate
/ us-gaap_FairValueByAssetClassAxis
= bx_InvestmentAssetOtherMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
/ us-gaap_ValuationTechniqueAxis
= bx_DiscountedCashFlowsMember |
|
| Other | Discounted Cash Flows | Maximum |
|
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
|
| Discount Rate |
12.50%us-gaap_FairValueInputsDiscountRate
/ us-gaap_FairValueByAssetClassAxis
= bx_InvestmentAssetOtherMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
/ us-gaap_ValuationTechniqueAxis
= bx_DiscountedCashFlowsMember |
|
12.50%us-gaap_FairValueInputsDiscountRate
/ us-gaap_FairValueByAssetClassAxis
= bx_InvestmentAssetOtherMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
/ us-gaap_ValuationTechniqueAxis
= bx_DiscountedCashFlowsMember |
|
| Recovery Rate |
70.00%bx_FairValueInputsRecoveryRate
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= bx_InvestmentAssetOtherMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
/ us-gaap_ValuationTechniqueAxis
= bx_DiscountedCashFlowsMember |
|
70.00%bx_FairValueInputsRecoveryRate
/ us-gaap_FairValueByAssetClassAxis
= bx_InvestmentAssetOtherMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
/ us-gaap_ValuationTechniqueAxis
= bx_DiscountedCashFlowsMember |
|
| Other | Net Asset Value Valuation Technique | Level 3 |
|
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
|
| Fair value assets |
12,694us-gaap_AssetsFairValueDisclosure
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/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel3Member
/ us-gaap_ValuationTechniqueAxis
= bx_NetAssetValueValuationTechniqueMember |
|
2,719us-gaap_AssetsFairValueDisclosure
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/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel3Member
/ us-gaap_ValuationTechniqueAxis
= bx_NetAssetValueValuationTechniqueMember |
|
| Other | Transaction Price Valuation Technique | Level 3 |
|
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
|
| Fair value assets |
16,612us-gaap_AssetsFairValueDisclosure
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/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel3Member
/ us-gaap_ValuationTechniqueAxis
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|
11,887us-gaap_AssetsFairValueDisclosure
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= us-gaap_FairValueInputsLevel3Member
/ us-gaap_ValuationTechniqueAxis
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|
| Investments Of Consolidated Blackstone Funds | Level 3 |
|
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
|
| Fair value assets |
3,576,575us-gaap_AssetsFairValueDisclosure
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|
3,498,033us-gaap_AssetsFairValueDisclosure
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|
| Investments Of Consolidated Blackstone Funds | Equity Securities | Discounted Cash Flows | Level 3 |
|
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
|
| Fair value assets |
118,199us-gaap_AssetsFairValueDisclosure
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/ us-gaap_ValuationTechniqueAxis
= bx_DiscountedCashFlowsMember |
|
106,727us-gaap_AssetsFairValueDisclosure
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|
| Investments Of Consolidated Blackstone Funds | Equity Securities | Discounted Cash Flows | Weighted Average |
|
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
|
| Discount Rate |
11.90%us-gaap_FairValueInputsDiscountRate
/ us-gaap_FairValueByAssetClassAxis
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/ us-gaap_RangeAxis
= us-gaap_WeightedAverageMember
/ us-gaap_ValuationTechniqueAxis
= bx_DiscountedCashFlowsMember |
[1] |
11.80%us-gaap_FairValueInputsDiscountRate
/ us-gaap_FairValueByAssetClassAxis
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/ dei_LegalEntityAxis
= bx_InvestmentsOfConsolidatedBlackstoneFundsMember
/ us-gaap_RangeAxis
= us-gaap_WeightedAverageMember
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= bx_DiscountedCashFlowsMember |
[1] |
| Revenue CAGR |
7.00%us-gaap_FairValueInputsLongTermRevenueGrowthRate
/ us-gaap_FairValueByAssetClassAxis
= bx_ConsolidatedEquitySecuritiesMember
/ dei_LegalEntityAxis
= bx_InvestmentsOfConsolidatedBlackstoneFundsMember
/ us-gaap_RangeAxis
= us-gaap_WeightedAverageMember
/ us-gaap_ValuationTechniqueAxis
= bx_DiscountedCashFlowsMember |
[1] |
7.10%us-gaap_FairValueInputsLongTermRevenueGrowthRate
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= us-gaap_WeightedAverageMember
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= bx_DiscountedCashFlowsMember |
[1] |
| Exit Multiple - EBITDA |
10.0bx_FairValueInputsEarningsBeforeInterestTaxesDepreciationAndAmortizationExitMultiple
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= bx_DiscountedCashFlowsMember |
[1] |
10.1bx_FairValueInputsEarningsBeforeInterestTaxesDepreciationAndAmortizationExitMultiple
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[1] |
| Exit Multiple - P/E |
14.9bx_FairValueInputsPriceEarningsRatioExitMultiple
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= bx_DiscountedCashFlowsMember |
[1] |
11.2bx_FairValueInputsPriceEarningsRatioExitMultiple
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[1] |
| Investments Of Consolidated Blackstone Funds | Equity Securities | Discounted Cash Flows | Minimum |
|
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
|
| Discount Rate |
8.40%us-gaap_FairValueInputsDiscountRate
/ us-gaap_FairValueByAssetClassAxis
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= bx_DiscountedCashFlowsMember |
|
8.40%us-gaap_FairValueInputsDiscountRate
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= bx_DiscountedCashFlowsMember |
|
| Revenue CAGR |
1.10%us-gaap_FairValueInputsLongTermRevenueGrowthRate
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/ dei_LegalEntityAxis
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/ us-gaap_RangeAxis
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/ us-gaap_ValuationTechniqueAxis
= bx_DiscountedCashFlowsMember |
|
0.70%us-gaap_FairValueInputsLongTermRevenueGrowthRate
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/ us-gaap_RangeAxis
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/ us-gaap_ValuationTechniqueAxis
= bx_DiscountedCashFlowsMember |
|
| Exit Multiple - EBITDA |
5.0bx_FairValueInputsEarningsBeforeInterestTaxesDepreciationAndAmortizationExitMultiple
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/ us-gaap_ValuationTechniqueAxis
= bx_DiscountedCashFlowsMember |
|
5.0bx_FairValueInputsEarningsBeforeInterestTaxesDepreciationAndAmortizationExitMultiple
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/ us-gaap_RangeAxis
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= bx_DiscountedCashFlowsMember |
|
| Exit Multiple - P/E |
7.5bx_FairValueInputsPriceEarningsRatioExitMultiple
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/ us-gaap_ValuationTechniqueAxis
= bx_DiscountedCashFlowsMember |
|
10.5bx_FairValueInputsPriceEarningsRatioExitMultiple
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= bx_DiscountedCashFlowsMember |
|
| Investments Of Consolidated Blackstone Funds | Equity Securities | Discounted Cash Flows | Maximum |
|
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
|
| Discount Rate |
24.60%us-gaap_FairValueInputsDiscountRate
/ us-gaap_FairValueByAssetClassAxis
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= bx_DiscountedCashFlowsMember |
|
24.70%us-gaap_FairValueInputsDiscountRate
/ us-gaap_FairValueByAssetClassAxis
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= bx_DiscountedCashFlowsMember |
|
| Revenue CAGR |
102.60%us-gaap_FairValueInputsLongTermRevenueGrowthRate
/ us-gaap_FairValueByAssetClassAxis
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/ dei_LegalEntityAxis
= bx_InvestmentsOfConsolidatedBlackstoneFundsMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
/ us-gaap_ValuationTechniqueAxis
= bx_DiscountedCashFlowsMember |
|
24.40%us-gaap_FairValueInputsLongTermRevenueGrowthRate
/ us-gaap_FairValueByAssetClassAxis
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/ dei_LegalEntityAxis
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/ us-gaap_RangeAxis
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= bx_DiscountedCashFlowsMember |
|
| Exit Multiple - EBITDA |
17.0bx_FairValueInputsEarningsBeforeInterestTaxesDepreciationAndAmortizationExitMultiple
/ us-gaap_FairValueByAssetClassAxis
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/ dei_LegalEntityAxis
= bx_InvestmentsOfConsolidatedBlackstoneFundsMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
/ us-gaap_ValuationTechniqueAxis
= bx_DiscountedCashFlowsMember |
|
13.0bx_FairValueInputsEarningsBeforeInterestTaxesDepreciationAndAmortizationExitMultiple
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= us-gaap_MaximumMember
/ us-gaap_ValuationTechniqueAxis
= bx_DiscountedCashFlowsMember |
|
| Exit Multiple - P/E |
17.0bx_FairValueInputsPriceEarningsRatioExitMultiple
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= bx_ConsolidatedEquitySecuritiesMember
/ dei_LegalEntityAxis
= bx_InvestmentsOfConsolidatedBlackstoneFundsMember
/ us-gaap_RangeAxis
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/ us-gaap_ValuationTechniqueAxis
= bx_DiscountedCashFlowsMember |
|
17.0bx_FairValueInputsPriceEarningsRatioExitMultiple
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|
| Investments Of Consolidated Blackstone Funds | Equity Securities | Market Comparable Companies | Level 3 |
|
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
|
| Fair value assets |
1,617us-gaap_AssetsFairValueDisclosure
/ us-gaap_FairValueByAssetClassAxis
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|
163us-gaap_AssetsFairValueDisclosure
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|
| Investments Of Consolidated Blackstone Funds | Equity Securities | Market Comparable Companies | Weighted Average |
|
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
|
| EBITDA Multiple |
6.9us-gaap_FairValueInputsEarningsBeforeInterestTaxesDepreciationAndAmortizationMultiple
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[1] |
6.9us-gaap_FairValueInputsEarningsBeforeInterestTaxesDepreciationAndAmortizationMultiple
/ us-gaap_FairValueByAssetClassAxis
= bx_ConsolidatedEquitySecuritiesMember
/ dei_LegalEntityAxis
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= bx_MarketComparableCompaniesMember |
[1] |
| Investments Of Consolidated Blackstone Funds | Equity Securities | Market Comparable Companies | Minimum |
|
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
|
| EBITDA Multiple |
6.5us-gaap_FairValueInputsEarningsBeforeInterestTaxesDepreciationAndAmortizationMultiple
/ us-gaap_FairValueByAssetClassAxis
= bx_ConsolidatedEquitySecuritiesMember
/ dei_LegalEntityAxis
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/ us-gaap_ValuationTechniqueAxis
= bx_MarketComparableCompaniesMember |
|
6.7us-gaap_FairValueInputsEarningsBeforeInterestTaxesDepreciationAndAmortizationMultiple
/ us-gaap_FairValueByAssetClassAxis
= bx_ConsolidatedEquitySecuritiesMember
/ dei_LegalEntityAxis
= bx_InvestmentsOfConsolidatedBlackstoneFundsMember
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= us-gaap_MinimumMember
/ us-gaap_ValuationTechniqueAxis
= bx_MarketComparableCompaniesMember |
|
| Investments Of Consolidated Blackstone Funds | Equity Securities | Market Comparable Companies | Maximum |
|
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
|
| EBITDA Multiple |
7.8us-gaap_FairValueInputsEarningsBeforeInterestTaxesDepreciationAndAmortizationMultiple
/ us-gaap_FairValueByAssetClassAxis
= bx_ConsolidatedEquitySecuritiesMember
/ dei_LegalEntityAxis
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= bx_MarketComparableCompaniesMember |
|
7.6us-gaap_FairValueInputsEarningsBeforeInterestTaxesDepreciationAndAmortizationMultiple
/ us-gaap_FairValueByAssetClassAxis
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/ dei_LegalEntityAxis
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= bx_MarketComparableCompaniesMember |
|
| Investments Of Consolidated Blackstone Funds | Equity Securities | Transaction Price Valuation Technique | Level 3 |
|
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
|
| Fair value assets |
64,167us-gaap_AssetsFairValueDisclosure
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|
67,706us-gaap_AssetsFairValueDisclosure
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|
| Investments Of Consolidated Blackstone Funds | Equity Securities | Third Party Pricing Valuation Technique | Level 3 |
|
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
|
| Fair value assets |
39us-gaap_AssetsFairValueDisclosure
/ us-gaap_FairValueByAssetClassAxis
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|
45us-gaap_AssetsFairValueDisclosure
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= us-gaap_FairValueInputsLevel3Member
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/ us-gaap_ValuationTechniqueAxis
= bx_ThirdPartyPricingValuationTechniqueMember |
|
| Investments Of Consolidated Blackstone Funds | Equity Securities | Other | Level 3 |
|
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
|
| Fair value assets |
2,665us-gaap_AssetsFairValueDisclosure
/ us-gaap_FairValueByAssetClassAxis
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= bx_OtherValuationTechniqueMember |
|
4,670us-gaap_AssetsFairValueDisclosure
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= bx_OtherValuationTechniqueMember |
|
| Investments Of Consolidated Blackstone Funds | Partnership And LLC Interests | Discounted Cash Flows |
|
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
|
| Exit Multiple - P/E |
0.5bx_FairValueInputsPriceEarningsRatioExitMultiple
/ us-gaap_FairValueByAssetClassAxis
= bx_PartnershipAndLlcInterestsMember
/ dei_LegalEntityAxis
= bx_InvestmentsOfConsolidatedBlackstoneFundsMember
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= bx_DiscountedCashFlowsMember |
|
|
|
| Investments Of Consolidated Blackstone Funds | Partnership And LLC Interests | Discounted Cash Flows | Level 3 |
|
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
|
| Fair value assets |
684,685us-gaap_AssetsFairValueDisclosure
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= bx_DiscountedCashFlowsMember |
|
485,748us-gaap_AssetsFairValueDisclosure
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= bx_DiscountedCashFlowsMember |
|
| 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%us-gaap_FairValueInputsDiscountRate
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= bx_InvestmentsOfConsolidatedBlackstoneFundsMember
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= us-gaap_WeightedAverageMember
/ us-gaap_ValuationTechniqueAxis
= bx_DiscountedCashFlowsMember |
[1] |
9.50%us-gaap_FairValueInputsDiscountRate
/ us-gaap_FairValueByAssetClassAxis
= bx_PartnershipAndLlcInterestsMember
/ dei_LegalEntityAxis
= bx_InvestmentsOfConsolidatedBlackstoneFundsMember
/ us-gaap_RangeAxis
= us-gaap_WeightedAverageMember
/ us-gaap_ValuationTechniqueAxis
= bx_DiscountedCashFlowsMember |
[1] |
| Revenue CAGR |
5.40%us-gaap_FairValueInputsLongTermRevenueGrowthRate
/ us-gaap_FairValueByAssetClassAxis
= bx_PartnershipAndLlcInterestsMember
/ dei_LegalEntityAxis
= bx_InvestmentsOfConsolidatedBlackstoneFundsMember
/ us-gaap_RangeAxis
= us-gaap_WeightedAverageMember
/ us-gaap_ValuationTechniqueAxis
= bx_DiscountedCashFlowsMember |
[1] |
6.50%us-gaap_FairValueInputsLongTermRevenueGrowthRate
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= bx_PartnershipAndLlcInterestsMember
/ dei_LegalEntityAxis
= bx_InvestmentsOfConsolidatedBlackstoneFundsMember
/ us-gaap_RangeAxis
= us-gaap_WeightedAverageMember
/ us-gaap_ValuationTechniqueAxis
= bx_DiscountedCashFlowsMember |
[1] |
| Exit Multiple - EBITDA |
10.2bx_FairValueInputsEarningsBeforeInterestTaxesDepreciationAndAmortizationExitMultiple
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= bx_PartnershipAndLlcInterestsMember
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= us-gaap_WeightedAverageMember
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= bx_DiscountedCashFlowsMember |
[1] |
9.7bx_FairValueInputsEarningsBeforeInterestTaxesDepreciationAndAmortizationExitMultiple
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= bx_PartnershipAndLlcInterestsMember
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= bx_InvestmentsOfConsolidatedBlackstoneFundsMember
/ us-gaap_RangeAxis
= us-gaap_WeightedAverageMember
/ us-gaap_ValuationTechniqueAxis
= bx_DiscountedCashFlowsMember |
[1] |
| Exit Capitalization Rate |
6.10%us-gaap_FairValueInputsCapRate
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= bx_PartnershipAndLlcInterestsMember
/ dei_LegalEntityAxis
= bx_InvestmentsOfConsolidatedBlackstoneFundsMember
/ us-gaap_RangeAxis
= us-gaap_WeightedAverageMember
/ us-gaap_ValuationTechniqueAxis
= bx_DiscountedCashFlowsMember |
[1] |
6.80%us-gaap_FairValueInputsCapRate
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= bx_PartnershipAndLlcInterestsMember
/ dei_LegalEntityAxis
= bx_InvestmentsOfConsolidatedBlackstoneFundsMember
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= us-gaap_WeightedAverageMember
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= bx_DiscountedCashFlowsMember |
[1] |
| Investments Of Consolidated Blackstone Funds | Partnership And LLC Interests | Discounted Cash Flows | Minimum |
|
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
|
| Discount Rate |
4.40%us-gaap_FairValueInputsDiscountRate
/ us-gaap_FairValueByAssetClassAxis
= bx_PartnershipAndLlcInterestsMember
/ dei_LegalEntityAxis
= bx_InvestmentsOfConsolidatedBlackstoneFundsMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
/ us-gaap_ValuationTechniqueAxis
= bx_DiscountedCashFlowsMember |
|
4.40%us-gaap_FairValueInputsDiscountRate
/ us-gaap_FairValueByAssetClassAxis
= bx_PartnershipAndLlcInterestsMember
/ dei_LegalEntityAxis
= bx_InvestmentsOfConsolidatedBlackstoneFundsMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
/ us-gaap_ValuationTechniqueAxis
= bx_DiscountedCashFlowsMember |
|
| Revenue CAGR |
(8.10%)us-gaap_FairValueInputsLongTermRevenueGrowthRate
/ us-gaap_FairValueByAssetClassAxis
= bx_PartnershipAndLlcInterestsMember
/ dei_LegalEntityAxis
= bx_InvestmentsOfConsolidatedBlackstoneFundsMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
/ us-gaap_ValuationTechniqueAxis
= bx_DiscountedCashFlowsMember |
|
(4.40%)us-gaap_FairValueInputsLongTermRevenueGrowthRate
/ us-gaap_FairValueByAssetClassAxis
= bx_PartnershipAndLlcInterestsMember
/ dei_LegalEntityAxis
= bx_InvestmentsOfConsolidatedBlackstoneFundsMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
/ us-gaap_ValuationTechniqueAxis
= bx_DiscountedCashFlowsMember |
|
| Exit Multiple - EBITDA |
3.0bx_FairValueInputsEarningsBeforeInterestTaxesDepreciationAndAmortizationExitMultiple
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= bx_PartnershipAndLlcInterestsMember
/ dei_LegalEntityAxis
= bx_InvestmentsOfConsolidatedBlackstoneFundsMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
/ us-gaap_ValuationTechniqueAxis
= bx_DiscountedCashFlowsMember |
|
1.0bx_FairValueInputsEarningsBeforeInterestTaxesDepreciationAndAmortizationExitMultiple
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= bx_PartnershipAndLlcInterestsMember
/ dei_LegalEntityAxis
= bx_InvestmentsOfConsolidatedBlackstoneFundsMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
/ us-gaap_ValuationTechniqueAxis
= bx_DiscountedCashFlowsMember |
|
| Exit Capitalization Rate |
2.00%us-gaap_FairValueInputsCapRate
/ us-gaap_FairValueByAssetClassAxis
= bx_PartnershipAndLlcInterestsMember
/ dei_LegalEntityAxis
= bx_InvestmentsOfConsolidatedBlackstoneFundsMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
/ us-gaap_ValuationTechniqueAxis
= bx_DiscountedCashFlowsMember |
|
2.00%us-gaap_FairValueInputsCapRate
/ us-gaap_FairValueByAssetClassAxis
= bx_PartnershipAndLlcInterestsMember
/ dei_LegalEntityAxis
= bx_InvestmentsOfConsolidatedBlackstoneFundsMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
/ us-gaap_ValuationTechniqueAxis
= bx_DiscountedCashFlowsMember |
|
| Investments Of Consolidated Blackstone Funds | Partnership And LLC Interests | Discounted Cash Flows | Maximum |
|
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
|
| Discount Rate |
24.20%us-gaap_FairValueInputsDiscountRate
/ us-gaap_FairValueByAssetClassAxis
= bx_PartnershipAndLlcInterestsMember
/ dei_LegalEntityAxis
= bx_InvestmentsOfConsolidatedBlackstoneFundsMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
/ us-gaap_ValuationTechniqueAxis
= bx_DiscountedCashFlowsMember |
|
21.50%us-gaap_FairValueInputsDiscountRate
/ us-gaap_FairValueByAssetClassAxis
= bx_PartnershipAndLlcInterestsMember
/ dei_LegalEntityAxis
= bx_InvestmentsOfConsolidatedBlackstoneFundsMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
/ us-gaap_ValuationTechniqueAxis
= bx_DiscountedCashFlowsMember |
|
| Revenue CAGR |
63.50%us-gaap_FairValueInputsLongTermRevenueGrowthRate
/ us-gaap_FairValueByAssetClassAxis
= bx_PartnershipAndLlcInterestsMember
/ dei_LegalEntityAxis
= bx_InvestmentsOfConsolidatedBlackstoneFundsMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
/ us-gaap_ValuationTechniqueAxis
= bx_DiscountedCashFlowsMember |
|
41.70%us-gaap_FairValueInputsLongTermRevenueGrowthRate
/ us-gaap_FairValueByAssetClassAxis
= bx_PartnershipAndLlcInterestsMember
/ dei_LegalEntityAxis
= bx_InvestmentsOfConsolidatedBlackstoneFundsMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
/ us-gaap_ValuationTechniqueAxis
= bx_DiscountedCashFlowsMember |
|
| Exit Multiple - EBITDA |
23.0bx_FairValueInputsEarningsBeforeInterestTaxesDepreciationAndAmortizationExitMultiple
/ us-gaap_FairValueByAssetClassAxis
= bx_PartnershipAndLlcInterestsMember
/ dei_LegalEntityAxis
= bx_InvestmentsOfConsolidatedBlackstoneFundsMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
/ us-gaap_ValuationTechniqueAxis
= bx_DiscountedCashFlowsMember |
|
19.1bx_FairValueInputsEarningsBeforeInterestTaxesDepreciationAndAmortizationExitMultiple
/ us-gaap_FairValueByAssetClassAxis
= bx_PartnershipAndLlcInterestsMember
/ dei_LegalEntityAxis
= bx_InvestmentsOfConsolidatedBlackstoneFundsMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
/ us-gaap_ValuationTechniqueAxis
= bx_DiscountedCashFlowsMember |
|
| Exit Capitalization Rate |
14.20%us-gaap_FairValueInputsCapRate
/ us-gaap_FairValueByAssetClassAxis
= bx_PartnershipAndLlcInterestsMember
/ dei_LegalEntityAxis
= bx_InvestmentsOfConsolidatedBlackstoneFundsMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
/ us-gaap_ValuationTechniqueAxis
= bx_DiscountedCashFlowsMember |
|
19.10%us-gaap_FairValueInputsCapRate
/ us-gaap_FairValueByAssetClassAxis
= bx_PartnershipAndLlcInterestsMember
/ dei_LegalEntityAxis
= bx_InvestmentsOfConsolidatedBlackstoneFundsMember
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= us-gaap_MaximumMember
/ us-gaap_ValuationTechniqueAxis
= bx_DiscountedCashFlowsMember |
|
| Investments Of Consolidated Blackstone Funds | Partnership And LLC Interests | Transaction Price Valuation Technique | Level 3 |
|
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
|
| Fair value assets |
25,825us-gaap_AssetsFairValueDisclosure
/ us-gaap_FairValueByAssetClassAxis
= bx_PartnershipAndLlcInterestsMember
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= us-gaap_FairValueInputsLevel3Member
/ dei_LegalEntityAxis
= bx_InvestmentsOfConsolidatedBlackstoneFundsMember
/ us-gaap_ValuationTechniqueAxis
= bx_TransactionPriceValuationTechniqueMember |
|
996,199us-gaap_AssetsFairValueDisclosure
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= us-gaap_FairValueInputsLevel3Member
/ dei_LegalEntityAxis
= bx_InvestmentsOfConsolidatedBlackstoneFundsMember
/ us-gaap_ValuationTechniqueAxis
= bx_TransactionPriceValuationTechniqueMember |
|
| Investments Of Consolidated Blackstone Funds | Partnership And LLC Interests | Third Party Pricing Valuation Technique | Level 3 |
|
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
|
| Fair value assets |
851,108us-gaap_AssetsFairValueDisclosure
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/ dei_LegalEntityAxis
= bx_InvestmentsOfConsolidatedBlackstoneFundsMember
/ us-gaap_ValuationTechniqueAxis
= bx_ThirdPartyPricingValuationTechniqueMember |
|
13,793us-gaap_AssetsFairValueDisclosure
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= us-gaap_FairValueInputsLevel3Member
/ dei_LegalEntityAxis
= bx_InvestmentsOfConsolidatedBlackstoneFundsMember
/ us-gaap_ValuationTechniqueAxis
= bx_ThirdPartyPricingValuationTechniqueMember |
|
| Investments Of Consolidated Blackstone Funds | Partnership And LLC Interests | Other | Level 3 |
|
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
|
| Fair value assets |
723us-gaap_AssetsFairValueDisclosure
/ us-gaap_FairValueByAssetClassAxis
= bx_PartnershipAndLlcInterestsMember
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= us-gaap_FairValueInputsLevel3Member
/ dei_LegalEntityAxis
= bx_InvestmentsOfConsolidatedBlackstoneFundsMember
/ us-gaap_ValuationTechniqueAxis
= bx_OtherValuationTechniqueMember |
|
682us-gaap_AssetsFairValueDisclosure
/ us-gaap_FairValueByAssetClassAxis
= bx_PartnershipAndLlcInterestsMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel3Member
/ dei_LegalEntityAxis
= bx_InvestmentsOfConsolidatedBlackstoneFundsMember
/ us-gaap_ValuationTechniqueAxis
= bx_OtherValuationTechniqueMember |
|
| Investments Of Consolidated Blackstone Funds | Debt Instruments | Discounted Cash Flows |
|
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
|
| Default Rate |
|
|
2.00%us-gaap_FairValueInputsProbabilityOfDefault
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= bx_DebtInstrumentsMember
/ dei_LegalEntityAxis
= bx_InvestmentsOfConsolidatedBlackstoneFundsMember
/ us-gaap_ValuationTechniqueAxis
= bx_DiscountedCashFlowsMember |
|
| Recovery Lag |
|
|
12 months |
|
| Pre-payment Rate |
|
|
20.00%us-gaap_FairValueInputsPrepaymentRate
/ us-gaap_FairValueByAssetClassAxis
= bx_DebtInstrumentsMember
/ dei_LegalEntityAxis
= bx_InvestmentsOfConsolidatedBlackstoneFundsMember
/ us-gaap_ValuationTechniqueAxis
= bx_DiscountedCashFlowsMember |
|
| Investments Of Consolidated Blackstone Funds | Debt Instruments | Discounted Cash Flows | Level 3 |
|
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
|
| Fair value assets |
8,622us-gaap_AssetsFairValueDisclosure
/ us-gaap_FairValueByAssetClassAxis
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= us-gaap_FairValueInputsLevel3Member
/ dei_LegalEntityAxis
= bx_InvestmentsOfConsolidatedBlackstoneFundsMember
/ us-gaap_ValuationTechniqueAxis
= bx_DiscountedCashFlowsMember |
|
9,570us-gaap_AssetsFairValueDisclosure
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= bx_DebtInstrumentsMember
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= us-gaap_FairValueInputsLevel3Member
/ dei_LegalEntityAxis
= bx_InvestmentsOfConsolidatedBlackstoneFundsMember
/ us-gaap_ValuationTechniqueAxis
= bx_DiscountedCashFlowsMember |
|
| Investments Of Consolidated Blackstone Funds | Debt Instruments | Discounted Cash Flows | LIBOR |
|
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
|
| Reinvestment Rate |
|
|
4.00%bx_FairValueInputsReinvestmentRate
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= bx_DebtInstrumentsMember
/ dei_LegalEntityAxis
= bx_InvestmentsOfConsolidatedBlackstoneFundsMember
/ us-gaap_ValuationTechniqueAxis
= bx_DiscountedCashFlowsMember
/ us-gaap_VariableRateAxis
= us-gaap_LondonInterbankOfferedRateLIBORMember |
|
| Investments Of Consolidated Blackstone Funds | Debt Instruments | Discounted Cash Flows | Weighted Average |
|
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
|
| Discount Rate |
14.40%us-gaap_FairValueInputsDiscountRate
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/ dei_LegalEntityAxis
= bx_InvestmentsOfConsolidatedBlackstoneFundsMember
/ us-gaap_RangeAxis
= us-gaap_WeightedAverageMember
/ us-gaap_ValuationTechniqueAxis
= bx_DiscountedCashFlowsMember |
[1] |
16.10%us-gaap_FairValueInputsDiscountRate
/ us-gaap_FairValueByAssetClassAxis
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/ dei_LegalEntityAxis
= bx_InvestmentsOfConsolidatedBlackstoneFundsMember
/ us-gaap_RangeAxis
= us-gaap_WeightedAverageMember
/ us-gaap_ValuationTechniqueAxis
= bx_DiscountedCashFlowsMember |
[1] |
| Revenue CAGR |
16.50%us-gaap_FairValueInputsLongTermRevenueGrowthRate
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= bx_DebtInstrumentsMember
/ dei_LegalEntityAxis
= bx_InvestmentsOfConsolidatedBlackstoneFundsMember
/ us-gaap_RangeAxis
= us-gaap_WeightedAverageMember
/ us-gaap_ValuationTechniqueAxis
= bx_DiscountedCashFlowsMember |
[1] |
5.00%us-gaap_FairValueInputsLongTermRevenueGrowthRate
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= bx_DebtInstrumentsMember
/ dei_LegalEntityAxis
= bx_InvestmentsOfConsolidatedBlackstoneFundsMember
/ us-gaap_RangeAxis
= us-gaap_WeightedAverageMember
/ us-gaap_ValuationTechniqueAxis
= bx_DiscountedCashFlowsMember |
[1] |
| Exit Multiple - EBITDA |
8.6bx_FairValueInputsEarningsBeforeInterestTaxesDepreciationAndAmortizationExitMultiple
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= bx_DebtInstrumentsMember
/ dei_LegalEntityAxis
= bx_InvestmentsOfConsolidatedBlackstoneFundsMember
/ us-gaap_RangeAxis
= us-gaap_WeightedAverageMember
/ us-gaap_ValuationTechniqueAxis
= bx_DiscountedCashFlowsMember |
[1] |
11.0bx_FairValueInputsEarningsBeforeInterestTaxesDepreciationAndAmortizationExitMultiple
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= bx_DebtInstrumentsMember
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= bx_InvestmentsOfConsolidatedBlackstoneFundsMember
/ us-gaap_RangeAxis
= us-gaap_WeightedAverageMember
/ us-gaap_ValuationTechniqueAxis
= bx_DiscountedCashFlowsMember |
[1] |
| Exit Capitalization Rate |
5.90%us-gaap_FairValueInputsCapRate
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= bx_DebtInstrumentsMember
/ dei_LegalEntityAxis
= bx_InvestmentsOfConsolidatedBlackstoneFundsMember
/ us-gaap_RangeAxis
= us-gaap_WeightedAverageMember
/ us-gaap_ValuationTechniqueAxis
= bx_DiscountedCashFlowsMember |
[1] |
9.30%us-gaap_FairValueInputsCapRate
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/ dei_LegalEntityAxis
= bx_InvestmentsOfConsolidatedBlackstoneFundsMember
/ us-gaap_RangeAxis
= us-gaap_WeightedAverageMember
/ us-gaap_ValuationTechniqueAxis
= bx_DiscountedCashFlowsMember |
[1] |
| Recovery Rate |
|
|
66.00%bx_FairValueInputsRecoveryRate
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= bx_DebtInstrumentsMember
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= bx_InvestmentsOfConsolidatedBlackstoneFundsMember
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= us-gaap_WeightedAverageMember
/ us-gaap_ValuationTechniqueAxis
= bx_DiscountedCashFlowsMember |
[1] |
| Investments Of Consolidated Blackstone Funds | Debt Instruments | Discounted Cash Flows | Minimum |
|
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
|
| Discount Rate |
9.10%us-gaap_FairValueInputsDiscountRate
/ us-gaap_FairValueByAssetClassAxis
= bx_DebtInstrumentsMember
/ dei_LegalEntityAxis
= bx_InvestmentsOfConsolidatedBlackstoneFundsMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
/ us-gaap_ValuationTechniqueAxis
= bx_DiscountedCashFlowsMember |
|
8.80%us-gaap_FairValueInputsDiscountRate
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= bx_DebtInstrumentsMember
/ dei_LegalEntityAxis
= bx_InvestmentsOfConsolidatedBlackstoneFundsMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
/ us-gaap_ValuationTechniqueAxis
= bx_DiscountedCashFlowsMember |
|
| Revenue CAGR |
5.60%us-gaap_FairValueInputsLongTermRevenueGrowthRate
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= bx_DebtInstrumentsMember
/ dei_LegalEntityAxis
= bx_InvestmentsOfConsolidatedBlackstoneFundsMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
/ us-gaap_ValuationTechniqueAxis
= bx_DiscountedCashFlowsMember |
|
4.70%us-gaap_FairValueInputsLongTermRevenueGrowthRate
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/ dei_LegalEntityAxis
= bx_InvestmentsOfConsolidatedBlackstoneFundsMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
/ us-gaap_ValuationTechniqueAxis
= bx_DiscountedCashFlowsMember |
|
| Exit Multiple - EBITDA |
5.8bx_FairValueInputsEarningsBeforeInterestTaxesDepreciationAndAmortizationExitMultiple
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= bx_DebtInstrumentsMember
/ dei_LegalEntityAxis
= bx_InvestmentsOfConsolidatedBlackstoneFundsMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
/ us-gaap_ValuationTechniqueAxis
= bx_DiscountedCashFlowsMember |
|
5.9bx_FairValueInputsEarningsBeforeInterestTaxesDepreciationAndAmortizationExitMultiple
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= bx_DebtInstrumentsMember
/ dei_LegalEntityAxis
= bx_InvestmentsOfConsolidatedBlackstoneFundsMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
/ us-gaap_ValuationTechniqueAxis
= bx_DiscountedCashFlowsMember |
|
| Exit Capitalization Rate |
1.00%us-gaap_FairValueInputsCapRate
/ us-gaap_FairValueByAssetClassAxis
= bx_DebtInstrumentsMember
/ dei_LegalEntityAxis
= bx_InvestmentsOfConsolidatedBlackstoneFundsMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
/ us-gaap_ValuationTechniqueAxis
= bx_DiscountedCashFlowsMember |
|
1.00%us-gaap_FairValueInputsCapRate
/ us-gaap_FairValueByAssetClassAxis
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/ dei_LegalEntityAxis
= bx_InvestmentsOfConsolidatedBlackstoneFundsMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
/ us-gaap_ValuationTechniqueAxis
= bx_DiscountedCashFlowsMember |
|
| Recovery Rate |
|
|
30.00%bx_FairValueInputsRecoveryRate
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|
| Investments Of Consolidated Blackstone Funds | Debt Instruments | Discounted Cash Flows | Maximum |
|
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
|
| Discount Rate |
29.30%us-gaap_FairValueInputsDiscountRate
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|
24.70%us-gaap_FairValueInputsDiscountRate
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/ us-gaap_RangeAxis
= us-gaap_MaximumMember
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= bx_DiscountedCashFlowsMember |
|
| Revenue CAGR |
20.00%us-gaap_FairValueInputsLongTermRevenueGrowthRate
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= bx_InvestmentsOfConsolidatedBlackstoneFundsMember
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|
6.80%us-gaap_FairValueInputsLongTermRevenueGrowthRate
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|
| Exit Multiple - EBITDA |
9.5bx_FairValueInputsEarningsBeforeInterestTaxesDepreciationAndAmortizationExitMultiple
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|
11.3bx_FairValueInputsEarningsBeforeInterestTaxesDepreciationAndAmortizationExitMultiple
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|
| Exit Capitalization Rate |
6.60%us-gaap_FairValueInputsCapRate
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= bx_DiscountedCashFlowsMember |
|
12.40%us-gaap_FairValueInputsCapRate
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/ dei_LegalEntityAxis
= bx_InvestmentsOfConsolidatedBlackstoneFundsMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
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= bx_DiscountedCashFlowsMember |
|
| Recovery Rate |
|
|
70.00%bx_FairValueInputsRecoveryRate
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/ dei_LegalEntityAxis
= bx_InvestmentsOfConsolidatedBlackstoneFundsMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
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= bx_DiscountedCashFlowsMember |
|
| Investments Of Consolidated Blackstone Funds | Debt Instruments | Market Comparable Companies | Level 3 |
|
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
|
| Fair value assets |
179us-gaap_AssetsFairValueDisclosure
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= bx_DebtInstrumentsMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel3Member
/ dei_LegalEntityAxis
= bx_InvestmentsOfConsolidatedBlackstoneFundsMember
/ us-gaap_ValuationTechniqueAxis
= bx_MarketComparableCompaniesMember |
|
172us-gaap_AssetsFairValueDisclosure
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= bx_DebtInstrumentsMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel3Member
/ dei_LegalEntityAxis
= bx_InvestmentsOfConsolidatedBlackstoneFundsMember
/ us-gaap_ValuationTechniqueAxis
= bx_MarketComparableCompaniesMember |
|
| Investments Of Consolidated Blackstone Funds | Debt Instruments | Market Comparable Companies | Weighted Average |
|
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
|
| EBITDA Multiple |
6.0us-gaap_FairValueInputsEarningsBeforeInterestTaxesDepreciationAndAmortizationMultiple
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/ dei_LegalEntityAxis
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= us-gaap_WeightedAverageMember
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= bx_MarketComparableCompaniesMember |
[1] |
6.6us-gaap_FairValueInputsEarningsBeforeInterestTaxesDepreciationAndAmortizationMultiple
/ us-gaap_FairValueByAssetClassAxis
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/ dei_LegalEntityAxis
= bx_InvestmentsOfConsolidatedBlackstoneFundsMember
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= us-gaap_WeightedAverageMember
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= bx_MarketComparableCompaniesMember |
[1] |
| Investments Of Consolidated Blackstone Funds | Debt Instruments | Market Comparable Companies | Minimum |
|
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
|
| EBITDA Multiple |
5.9us-gaap_FairValueInputsEarningsBeforeInterestTaxesDepreciationAndAmortizationMultiple
/ us-gaap_FairValueByAssetClassAxis
= bx_DebtInstrumentsMember
/ dei_LegalEntityAxis
= bx_InvestmentsOfConsolidatedBlackstoneFundsMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
/ us-gaap_ValuationTechniqueAxis
= bx_MarketComparableCompaniesMember |
|
6.6us-gaap_FairValueInputsEarningsBeforeInterestTaxesDepreciationAndAmortizationMultiple
/ us-gaap_FairValueByAssetClassAxis
= bx_DebtInstrumentsMember
/ dei_LegalEntityAxis
= bx_InvestmentsOfConsolidatedBlackstoneFundsMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
/ us-gaap_ValuationTechniqueAxis
= bx_MarketComparableCompaniesMember |
|
| Investments Of Consolidated Blackstone Funds | Debt Instruments | Market Comparable Companies | Maximum |
|
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
|
| EBITDA Multiple |
7.9us-gaap_FairValueInputsEarningsBeforeInterestTaxesDepreciationAndAmortizationMultiple
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= bx_MarketComparableCompaniesMember |
|
7.9us-gaap_FairValueInputsEarningsBeforeInterestTaxesDepreciationAndAmortizationMultiple
/ us-gaap_FairValueByAssetClassAxis
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= bx_InvestmentsOfConsolidatedBlackstoneFundsMember
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= us-gaap_MaximumMember
/ us-gaap_ValuationTechniqueAxis
= bx_MarketComparableCompaniesMember |
|
| Investments Of Consolidated Blackstone Funds | Debt Instruments | Transaction Price Valuation Technique | Level 3 |
|
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
|
| Fair value assets |
2,414us-gaap_AssetsFairValueDisclosure
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/ dei_LegalEntityAxis
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/ us-gaap_ValuationTechniqueAxis
= bx_TransactionPriceValuationTechniqueMember |
|
686us-gaap_AssetsFairValueDisclosure
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/ us-gaap_FairValueByFairValueHierarchyLevelAxis
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/ dei_LegalEntityAxis
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/ us-gaap_ValuationTechniqueAxis
= bx_TransactionPriceValuationTechniqueMember |
|
| Investments Of Consolidated Blackstone Funds | Debt Instruments | Third Party Pricing Valuation Technique | Level 3 |
|
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
|
| Fair value assets |
75,346us-gaap_AssetsFairValueDisclosure
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/ dei_LegalEntityAxis
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/ us-gaap_ValuationTechniqueAxis
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|
95,542us-gaap_AssetsFairValueDisclosure
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/ us-gaap_ValuationTechniqueAxis
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|
| Investments Of Consolidated Blackstone Funds | Assets Of Consolidated CLO Vehicles | Discounted Cash Flows |
|
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
|
| Discount Rate |
3.80%us-gaap_FairValueInputsDiscountRate
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/ dei_LegalEntityAxis
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|
8.00%us-gaap_FairValueInputsDiscountRate
/ us-gaap_FairValueByAssetClassAxis
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= bx_InvestmentsOfConsolidatedBlackstoneFundsMember
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|
| Investments Of Consolidated Blackstone Funds | Assets Of Consolidated CLO Vehicles | Discounted Cash Flows | Level 3 |
|
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
|
| Fair value assets |
1,926us-gaap_AssetsFairValueDisclosure
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|
3,826us-gaap_AssetsFairValueDisclosure
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|
| Investments Of Consolidated Blackstone Funds | Assets Of Consolidated CLO Vehicles | Market Comparable Companies | Level 3 |
|
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
|
| Fair value assets |
76,754us-gaap_AssetsFairValueDisclosure
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|
290,658us-gaap_AssetsFairValueDisclosure
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= bx_MarketComparableCompaniesMember |
|
| Investments Of Consolidated Blackstone Funds | Assets Of Consolidated CLO Vehicles | Market Comparable Companies | Weighted Average |
|
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
|
| EBITDA Multiple |
5.4us-gaap_FairValueInputsEarningsBeforeInterestTaxesDepreciationAndAmortizationMultiple
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[1] |
6.1us-gaap_FairValueInputsEarningsBeforeInterestTaxesDepreciationAndAmortizationMultiple
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= bx_MarketComparableCompaniesMember |
[1] |
| Investments Of Consolidated Blackstone Funds | Assets Of Consolidated CLO Vehicles | Market Comparable Companies | Minimum |
|
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
|
| EBITDA Multiple |
3.5us-gaap_FairValueInputsEarningsBeforeInterestTaxesDepreciationAndAmortizationMultiple
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|
3.8us-gaap_FairValueInputsEarningsBeforeInterestTaxesDepreciationAndAmortizationMultiple
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/ dei_LegalEntityAxis
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= us-gaap_MinimumMember
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= bx_MarketComparableCompaniesMember |
|
| Investments Of Consolidated Blackstone Funds | Assets Of Consolidated CLO Vehicles | Market Comparable Companies | Maximum |
|
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
|
| EBITDA Multiple |
7.5us-gaap_FairValueInputsEarningsBeforeInterestTaxesDepreciationAndAmortizationMultiple
/ us-gaap_FairValueByAssetClassAxis
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= bx_MarketComparableCompaniesMember |
|
15.0us-gaap_FairValueInputsEarningsBeforeInterestTaxesDepreciationAndAmortizationMultiple
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= bx_MarketComparableCompaniesMember |
|
| Investments Of Consolidated Blackstone Funds | Assets Of Consolidated CLO Vehicles | Third Party Pricing Valuation Technique | Level 3 |
|
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
|
| Fair value assets |
491,928us-gaap_AssetsFairValueDisclosure
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|
318,636us-gaap_AssetsFairValueDisclosure
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|
| Investments Of Consolidated Blackstone Funds | Investment Funds | Net Asset Value Valuation Technique | Level 3 |
|
|
|
|
| Fair Value, Option, Quantitative Disclosures [Line Items] |
|
|
|
|
| Fair value assets |
1,170,378us-gaap_AssetsFairValueDisclosure
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|
1,103,210us-gaap_AssetsFairValueDisclosure
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|
|
|
|