Represents the weighted average maturity period of debt instruments during the reporting period.

No definition available.

Name:	kkr_DebtInstrumentWeightedMaturityPeriod
Namespace Prefix:	kkr_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(12))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(11))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Sum of the carrying values as of the balance sheet date of all debt, including all short-term borrowings, long-term debt, and capital lease obligations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.13,16)
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03.16)
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

+ Details

Name:	us-gaap_DebtAndCapitalLeaseObligations
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Weighted average interest rate of debt outstanding.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtWeightedAverageInterestRate
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Details

Name:	us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis=us-gaap_VariableInterestEntityPrimaryBeneficiaryAggregatedDisclosureMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_UnderlyingAssetClassAxis=us-gaap_CollateralizedSecuritiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=us-gaap_SecuredDebtMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=kkr_SeniorSecuredNotesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=kkr_SubordinatedNotesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=us-gaap_MortgageBackedSecuritiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

DEBT OBLIGATIONS - Obligations of Consolidated CLOs (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Dec. 31, 2016	Mar. 31, 2016
Debt Instrument [Line Items]
Borrowing Outstanding	$ 19,625,439	$ 18,544,075
Total Assets	41,635,712	39,002,897	$ 34,428,583
Consolidated VIEs
Debt Instrument [Line Items]
Borrowing Outstanding	15,928,970	15,471,087
Total Assets	26,837,431	25,326,042
Consolidated VIEs \| Consolidated CFEs
Debt Instrument [Line Items]
Borrowing Outstanding	14,283,962	13,858,288
Total Assets	16,103,048	15,349,598
Debt Obligations of Consolidated CFEs
Debt Instrument [Line Items]
Borrowing Outstanding	14,283,962
Senior Secured Notes \| Debt Obligations of Consolidated CFEs
Debt Instrument [Line Items]
Borrowing Outstanding	$ 8,692,761	8,279,812
Weighted Average Interest Rate	2.60%
Weighted Average Remaining Maturity in Years	10 years 10 months 24 days
Subordinated Notes \| Debt Obligations of Consolidated CFEs
Debt Instrument [Line Items]
Borrowing Outstanding	$ 277,631	283,735
Weighted Average Remaining Maturity in Years	11 years 3 months 18 days
Collateralized Mortgage Backed Securities
Debt Instrument [Line Items]
Borrowing Outstanding	$ 5,313,570	$ 5,294,741
Collateralized Mortgage Backed Securities \| Debt Obligations of Consolidated CFEs
Debt Instrument [Line Items]
Borrowing Outstanding	$ 5,313,570
Weighted Average Interest Rate	4.40%
Weighted Average Remaining Maturity in Years	31 years 9 months 18 days