EQUITY BASED COMPENSATION - Awards Rollforward (Details)	12 Months Ended
	Dec. 31, 2019 $ / shares shares
KKR Holdings Principal Awards
Shares
Balance at the beginning of the period (in shares) | shares	24,123,993
Granted (in shares) | shares	0
Vested (in shares) | shares	(6,162,014)
Forfeitures (in shares) | shares	(1,392,500)
Balance at the end of the period (in shares) | shares	16,569,479
Weighted Average Grant Date Fair Value
Balance at the beginning of the period (in dollars per share) | $ / shares	$ 14.42
Granted (in dollars per share) | $ / shares	0
Vested (in dollars per share) | $ / shares	14.86
Forfeitures (in dollars per share) | $ / shares	12.25
Balance at the end of the period (in dollars per share) | $ / shares	$ 14.43
Equity Incentive Plans
Shares
Balance at the beginning of the period (in shares) | shares	33,400,183
Granted (in shares) | shares	4,742,836
Vested (in shares) | shares	(13,816,158)
Forfeitures (in shares) | shares	(1,629,216)
Balance at the end of the period (in shares) | shares	22,697,645
Weighted Average Grant Date Fair Value
Balance at the beginning of the period (in dollars per share) | $ / shares	$ 16.23
Granted (in dollars per share) | $ / shares	25.98
Vested (in dollars per share) | $ / shares	15.79
Forfeitures (in dollars per share) | $ / shares	17.23
Balance at the end of the period (in dollars per share) | $ / shares	$ 18.46