EQUITY - Net Income (Loss) Attributable To Noncontrolling Interests Held by KKR Holdings (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]
Net income (loss)	$ 2,974,301	$ 336,612	$ 697,513	$ 3,325,388
Less Net income (loss) attributable to Noncontrolling Interests in consolidated entities	1,217,728	(88,173)	(95,721)	825,954
Less Preferred Stock Dividends	8,341	8,341	25,023	25,023
Plus Income tax expense (benefit) attributable to KKR & Co. Inc.	319,717	81,970	159,855	387,255
Net income (loss) attributable to KKR & Co. Inc. Common Stockholders and KKR Holdings	2,067,949	498,414	928,066	2,861,666
KKR Holdings
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]
Net income (loss) attributable to Noncontrolling Interests held by KKR Holdings	$ 691,730	$ 175,231	$ 301,946	$ 1,017,827