REGULATORY CAPITAL REQUIREMENTS (Details) $ in Millions	9 Months Ended
Sep. 30, 2018 USD ($) entity
REGULATORY CAPITAL REQUIREMENTS
Number of entities based in Mumbai subject to capital requirements of the RBI and SEBI \| entity	2
Cash restricted for payment of cash dividend and advances \| $	$ 153.3

Represents the amount of cash at registered broker-dealer entities, which may be restricted as to the payment of cash dividends and advances to the reporting entity.

No definition available.

Name:	kkr_AmountOfCashAtRegisteredBrokerDealerEntitiesRestrictedForPaymentOfCashDividendAndAdvances
Namespace Prefix:	kkr_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant