FAIR VALUE OPTION - Financial Instruments (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Fair Value, Option, Quantitative Disclosures [Line Items]
Assets	$ 30,130,602	$ 28,952,185
Liabilities	25,814,188	23,684,193
Asset Management
Fair Value, Option, Quantitative Disclosures [Line Items]
Assets	28,159,578	26,847,727
Liabilities	24,461,634	22,273,242
Insurance
Fair Value, Option, Quantitative Disclosures [Line Items]
Assets	1,971,024	2,104,458
Liabilities	1,352,554	1,410,951
Credit | Asset Management
Fair Value, Option, Quantitative Disclosures [Line Items]
Assets	753,380	1,121,775
Investments of Consolidated CFEs | Asset Management
Fair Value, Option, Quantitative Disclosures [Line Items]
Assets	24,405,708	22,492,366
Real Assets | Asset Management
Fair Value, Option, Quantitative Disclosures [Line Items]
Assets	56,095	202,153
Equity Method - Other | Asset Management
Fair Value, Option, Quantitative Disclosures [Line Items]
Assets	2,843,740	2,943,387
Other Investments | Asset Management
Fair Value, Option, Quantitative Disclosures [Line Items]
Assets	100,655	88,046
Other Investments | Insurance
Fair Value, Option, Quantitative Disclosures [Line Items]
Assets	269,245	335,168
Mortgage and other loan receivables | Insurance
Fair Value, Option, Quantitative Disclosures [Line Items]
Assets	738,109	787,515
Reinsurance recoverable | Insurance
Fair Value, Option, Quantitative Disclosures [Line Items]
Assets	963,670	981,775
Debt Obligations of Consolidated CFEs | Asset Management
Fair Value, Option, Quantitative Disclosures [Line Items]
Liabilities	24,461,634	22,273,242
Policy loans | Insurance
Fair Value, Option, Quantitative Disclosures [Line Items]
Liabilities	$ 1,352,554	$ 1,410,951