NET INCOME (LOSS) ATTRIBUTABLE TO KKR & CO. INC. PER SHARE OF COMMON STOCK - Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
NET INCOME (LOSS) ATTRIBUTABLE TO KKR & CO. INC. PER SHARE OF COMMON STOCK
Net Income (Loss) Available to KKR & Co. Inc. Common Stockholders - Basic	$ 600,550	$ 1,472,878	$ 1,950,690	$ 2,640,085
Net Income (Loss) Available to KKR & Co. Inc. Common Stockholders - Diluted	600,550	1,490,126	1,950,690	2,691,832
Series C Mandatory Convertible Preferred Stock Dividends
NET INCOME (LOSS) ATTRIBUTABLE TO KKR & CO. INC. PER SHARE OF COMMON STOCK
Series C Mandatory Convertible Preferred Dividend (if dilutive)	$ 0	$ 17,248	$ 0	$ 51,747
Incremental Common Shares:
Assumed conversion of Series C Mandatory Convertible Preferred Stock (in shares)	0	22,521,288	0	25,397,130
Common Stock
Basic Net Income (Loss) Per Share of Common Stock
Weighted Average Shares of Common Stock Outstanding - Basic (in shares)	887,444,991	862,123,088	886,618,138	861,598,674
Net Income (Loss) Attributable to KKR & Co. Inc. Per Share of Common Stock - Basic (in dollars per share)	$ 0.68	$ 1.71	$ 2.20	$ 3.06
Diluted Net Income (Loss) Per Share of Common Stock
Weighted Average Shares of Common Stock Outstanding - Basic (in shares)	887,444,991	862,123,088	886,618,138	861,598,674
Incremental Common Shares:
Assumed vesting of dilutive equity awards (in shares)	54,522,488	24,412,604	46,461,239	24,720,901
Weighted Average Shares of Common Stock Outstanding - Diluted (in shares)	941,967,479	909,056,980	933,079,377	911,716,705
Net Income (Loss) Attributable to KKR & Co. Inc. Per Share of Common Stock - Diluted (in dollars per share)	$ 0.64	$ 1.64	$ 2.09	$ 2.95