REGULATORY CAPITAL REQUIREMENTS (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
Mar. 31, 2013 item
REGULATORY CAPITAL REQUIREMENTS
Number of entities based in Mumbai subject to capital requirements of the RBI and SEBI	2
Cash restricted for payment of cash dividend and advances	$ 49.4

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