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FAIR VALUE MEASUREMENTS - Valuation Methodologies and Significant Unobservable Inputs (Details)
 12 Months Ended
Dec. 31, 2022
USD ($)
$ / Boe
Dec. 31, 2021
USD ($)
Minimum | Illiquidity Discount    
Level III Assets    
Private equity, measurement input 0.05  
Insurance    
Level III Assets    
Reinsurance recoverable, fair value $ 27,919,591,000 $ 25,062,256,000
Level III Liabilities    
Funds withheld payable at interest 1,059,820,000 378,549,000
Insurance | Indexed universal life    
Level III Liabilities    
Embedded derivative, fair value 337,860,000 557,276,000
Insurance | Fixed-indexed annuity    
Level III Liabilities    
Embedded derivative, fair value $ 1,855,366,000 $ 1,983,949,000
Yield Analysis | Asset Management | Weighted Average | Yield    
Level III Liabilities    
Unfunded revolving commitments, measurement input 0.134  
Level III | Asset Management    
Level III Assets    
Private equity, fair value $ 25,336,957,000  
Credit, fair value 5,786,026,000  
Real assets, fair value 17,015,112,000  
Equity method - other, fair value 1,624,420,000  
Other investments, fair value 3,334,366,000  
Level III Liabilities    
Unfunded revolving commitments, fair value 137,315,000  
Level III | Insurance    
Level III Assets    
Other investments, fair value 4,639,349,000  
Funds withheld receivables at interest 12,785,000  
Reinsurance recoverable, fair value 981,775,000  
Level III Liabilities    
Policy liabilities, fair value 394,638,000  
Closed block policy liabilities, fair value 1,016,313,000  
Funds withheld payable at interest (3,487,766,000)  
Level III | Insurance | Indexed universal life    
Level III Liabilities    
Embedded derivative, fair value 337,860,000  
Level III | Insurance | Fixed-indexed annuity    
Level III Liabilities    
Embedded derivative, fair value $ 1,855,366,000  
Level III | Inputs to market comparables, discounted cash flow and transaction price | Asset Management | Weighted Average | Weight Ascribed to Market Comparables    
Level III Assets    
Equity method - other, measurement input 0.480  
Other investments, measurement input 0.179  
Level III | Inputs to market comparables, discounted cash flow and transaction price | Asset Management | Weighted Average | Weight Ascribed to Discounted Cash Flow    
Level III Assets    
Equity method - other, measurement input 0.237  
Other investments, measurement input 0.552  
Level III | Inputs to market comparables, discounted cash flow and transaction price | Asset Management | Weighted Average | Weight Ascribed to Transaction Price    
Level III Assets    
Equity method - other, measurement input 0.283  
Other investments, measurement input 0.269  
Level III | Inputs to market comparables, discounted cash flow and transaction price | Asset Management | Weighted Average | Illiquidity Discount    
Level III Assets    
Equity method - other, measurement input 0.063  
Other investments, measurement input 0.108  
Level III | Inputs to market comparables, discounted cash flow and transaction price | Asset Management | Minimum | Weight Ascribed to Market Comparables    
Level III Assets    
Equity method - other, measurement input 0.000  
Other investments, measurement input 0.000  
Level III | Inputs to market comparables, discounted cash flow and transaction price | Asset Management | Minimum | Weight Ascribed to Discounted Cash Flow    
Level III Assets    
Equity method - other, measurement input 0.000  
Other investments, measurement input 0.000  
Level III | Inputs to market comparables, discounted cash flow and transaction price | Asset Management | Minimum | Weight Ascribed to Transaction Price    
Level III Assets    
Equity method - other, measurement input 0.000  
Other investments, measurement input 0.000  
Level III | Inputs to market comparables, discounted cash flow and transaction price | Asset Management | Minimum | Illiquidity Discount    
Level III Assets    
Equity method - other, measurement input 0.050  
Other investments, measurement input 0.064  
Level III | Inputs to market comparables, discounted cash flow and transaction price | Asset Management | Maximum | Weight Ascribed to Market Comparables    
Level III Assets    
Equity method - other, measurement input 1.000  
Other investments, measurement input 1.000  
Level III | Inputs to market comparables, discounted cash flow and transaction price | Asset Management | Maximum | Weight Ascribed to Discounted Cash Flow    
Level III Assets    
Equity method - other, measurement input 1.000  
Other investments, measurement input 1.000  
Level III | Inputs to market comparables, discounted cash flow and transaction price | Asset Management | Maximum | Weight Ascribed to Transaction Price    
Level III Assets    
Equity method - other, measurement input 1.000  
Other investments, measurement input 1.000  
Level III | Inputs to market comparables, discounted cash flow and transaction price | Asset Management | Maximum | Illiquidity Discount    
Level III Assets    
Equity method - other, measurement input 0.100  
Other investments, measurement input 0.200  
Level III | Market comparables | Asset Management | Weighted Average | Enterprise Value/LTM EBITDA Multiple    
Level III Assets    
Equity method - other, measurement input 19.7  
Other investments, measurement input 12.0  
Level III | Market comparables | Asset Management | Weighted Average | Enterprise Value/Forward EBITDA Multiple    
Level III Assets    
Equity method - other, measurement input 17.1  
Other investments, measurement input 11.6  
Level III | Market comparables | Asset Management | Minimum | Enterprise Value/LTM EBITDA Multiple    
Level III Assets    
Equity method - other, measurement input 4.2  
Other investments, measurement input 6.3  
Level III | Market comparables | Asset Management | Minimum | Enterprise Value/Forward EBITDA Multiple    
Level III Assets    
Equity method - other, measurement input 3.9  
Other investments, measurement input 7.3  
Level III | Market comparables | Asset Management | Maximum | Enterprise Value/LTM EBITDA Multiple    
Level III Assets    
Equity method - other, measurement input 41.7  
Other investments, measurement input 26.1  
Level III | Market comparables | Asset Management | Maximum | Enterprise Value/Forward EBITDA Multiple    
Level III Assets    
Equity method - other, measurement input 33.4  
Other investments, measurement input 20.3  
Level III | Discounted cash flow | Asset Management | Weighted Average | Weighted Average Cost of Capital    
Level III Assets    
Equity method - other, measurement input 0.100  
Other investments, measurement input 0.140  
Level III | Discounted cash flow | Asset Management | Weighted Average | Enterprise Value/LTM EBITDA Exit Multiple    
Level III Assets    
Equity method - other, measurement input 19.5  
Other investments, measurement input 8.4  
Level III | Discounted cash flow | Asset Management | Minimum | Weighted Average Cost of Capital    
Level III Assets    
Equity method - other, measurement input 0.066  
Other investments, measurement input 0.082  
Level III | Discounted cash flow | Asset Management | Minimum | Enterprise Value/LTM EBITDA Exit Multiple    
Level III Assets    
Equity method - other, measurement input 6.0  
Other investments, measurement input 6.0  
Level III | Discounted cash flow | Asset Management | Maximum | Weighted Average Cost of Capital    
Level III Assets    
Equity method - other, measurement input 0.183  
Other investments, measurement input 0.440  
Level III | Discounted cash flow | Asset Management | Maximum | Enterprise Value/LTM EBITDA Exit Multiple    
Level III Assets    
Equity method - other, measurement input 41.7  
Other investments, measurement input 11.0  
Level III | Discounted cash flow | Insurance | Mortality Rate    
Level III Assets    
Reinsurance recoverable, measurement input 0.0546  
Level III Liabilities    
Closed block policy liabilities, measurement input 0.0546  
Level III | Discounted cash flow | Insurance | Surrender Rate    
Level III Assets    
Reinsurance recoverable, measurement input 0.0201  
Level III Liabilities    
Closed block policy liabilities, measurement input 0.0201  
Level III | Discounted cash flow | Insurance | Weighted Average | Duration/Weighted Average Life    
Level III Assets    
Funds withheld receivable at interest, measurement input, term 8 years 5 months 26 days  
Level III Liabilities    
Funds withheld payable at interest, measurement input, term 8 years 6 months 21 days  
Level III | Discounted cash flow | Insurance | Weighted Average | Contractholder Persistency    
Level III Assets    
Funds withheld receivable at interest, measurement input 0.0709  
Level III Liabilities    
Funds withheld payable at interest, measurement input 0.0709  
Level III | Discounted cash flow | Insurance | Weighted Average | Nonperformance Risk    
Level III Assets    
Funds withheld receivable at interest, measurement input 0.0098  
Level III Liabilities    
Funds withheld payable at interest, measurement input 0.0098  
Level III | Discounted cash flow | Insurance | Weighted Average | Rate    
Level III Assets    
Other investments, measurement input 0.0723  
Level III | Discounted cash flow | Insurance | Weighted Average | Terminal capitalization rate    
Level III Assets    
Other investments, measurement input 0.0611  
Level III | Discounted cash flow | Insurance | Minimum | Duration/Weighted Average Life    
Level III Assets    
Funds withheld receivable at interest, measurement input, term 0 years  
Level III Liabilities    
Funds withheld payable at interest, measurement input, term 0 years  
Level III | Discounted cash flow | Insurance | Minimum | Contractholder Persistency    
Level III Assets    
Funds withheld receivable at interest, measurement input 0.0360  
Level III Liabilities    
Funds withheld payable at interest, measurement input 0.0360  
Level III | Discounted cash flow | Insurance | Minimum | Nonperformance Risk    
Level III Assets    
Funds withheld receivable at interest, measurement input 0.0061  
Level III Liabilities    
Funds withheld payable at interest, measurement input 0.0061  
Level III | Discounted cash flow | Insurance | Minimum | Rate    
Level III Assets    
Other investments, measurement input 0.0550  
Level III | Discounted cash flow | Insurance | Minimum | Terminal capitalization rate    
Level III Assets    
Other investments, measurement input 0.0425  
Level III | Discounted cash flow | Insurance | Maximum | Duration/Weighted Average Life    
Level III Assets    
Funds withheld receivable at interest, measurement input, term 20 years 3 months 18 days  
Level III Liabilities    
Funds withheld payable at interest, measurement input, term 17 years 4 months 13 days  
Level III | Discounted cash flow | Insurance | Maximum | Contractholder Persistency    
Level III Assets    
Funds withheld receivable at interest, measurement input 0.1670  
Level III Liabilities    
Funds withheld payable at interest, measurement input 0.1670  
Level III | Discounted cash flow | Insurance | Maximum | Nonperformance Risk    
Level III Assets    
Funds withheld receivable at interest, measurement input 0.0142  
Level III Liabilities    
Funds withheld payable at interest, measurement input 0.0142  
Level III | Discounted cash flow | Insurance | Maximum | Rate    
Level III Assets    
Other investments, measurement input 0.0757  
Level III | Discounted cash flow | Insurance | Maximum | Terminal capitalization rate    
Level III Assets    
Other investments, measurement input 0.0646  
Level III | Yield Analysis | Asset Management | Weighted Average | Yield    
Level III Assets    
Credit, measurement input 0.115  
Level III | Yield Analysis | Asset Management | Weighted Average | Net Leverage    
Level III Assets    
Credit, measurement input 6.1  
Level III | Yield Analysis | Asset Management | Weighted Average | EBITDA Multiple    
Level III Assets    
Credit, measurement input 12.4  
Level III | Yield Analysis | Asset Management | Minimum | Yield    
Level III Assets    
Credit, measurement input 0.000  
Level III Liabilities    
Unfunded revolving commitments, measurement input 0.080  
Level III | Yield Analysis | Asset Management | Minimum | Net Leverage    
Level III Assets    
Credit, measurement input 0.2  
Level III | Yield Analysis | Asset Management | Minimum | EBITDA Multiple    
Level III Assets    
Credit, measurement input 0.3  
Level III | Yield Analysis | Asset Management | Maximum | Yield    
Level III Assets    
Credit, measurement input 0.216  
Level III Liabilities    
Unfunded revolving commitments, measurement input 0.396  
Level III | Yield Analysis | Asset Management | Maximum | Net Leverage    
Level III Assets    
Credit, measurement input 24.9  
Level III | Yield Analysis | Asset Management | Maximum | EBITDA Multiple    
Level III Assets    
Credit, measurement input 33.0  
Level III | Direct capitalization | Insurance | Current Capitalization Rate    
Level III Assets    
Other investments, measurement input 0.0530  
Level III | Direct capitalization | Insurance | Weighted Average | Vacancy rate    
Level III Assets    
Other investments, measurement input 0.0330  
Level III | Direct capitalization | Insurance | Minimum | Vacancy rate    
Level III Assets    
Other investments, measurement input 0  
Level III | Direct capitalization | Insurance | Maximum | Vacancy rate    
Level III Assets    
Other investments, measurement input 0.0500  
Level III | Present value of expenses paid from the open block plus the cost of capital held in support of the liabilities. | Insurance | Measurement Input, Annual Inflation Rate    
Level III Assets    
Reinsurance recoverable, measurement input 0.0250  
Level III Liabilities    
Closed block policy liabilities, measurement input 0.0250  
Level III | Present value of expenses paid from the open block plus the cost of capital held in support of the liabilities. | Insurance | Weighted Average | Expense assumption    
Level III Assets    
Reinsurance recoverable, measurement input, expense per policy $ 17.2  
Level III Liabilities    
Closed block liabilities, measurement input, value 17.2  
Level III | Present value of expenses paid from the open block plus the cost of capital held in support of the liabilities. | Insurance | Minimum | Expense assumption    
Level III Assets    
Reinsurance recoverable, measurement input, expense per policy 8.23  
Level III Liabilities    
Closed block liabilities, measurement input, value 8.23  
Level III | Present value of expenses paid from the open block plus the cost of capital held in support of the liabilities. | Insurance | Maximum | Expense assumption    
Level III Assets    
Reinsurance recoverable, measurement input, expense per policy 78.00  
Level III Liabilities    
Closed block liabilities, measurement input, value $ 78.00  
Level III | Unobservable inputs are a market participant’s view of the expenses, a risk margin on the uncertainty of the level of expenses and a cost of capital on the capital held in support of the liabilities. | Insurance | Expense risk margin    
Level III Assets    
Reinsurance recoverable, measurement input 0.0942  
Level III Liabilities    
Closed block policy liabilities, measurement input 0.0942  
Level III | Unobservable inputs are a market participant’s view of the expenses, a risk margin on the uncertainty of the level of expenses and a cost of capital on the capital held in support of the liabilities. | Insurance | Weighted Average | Cost of capital    
Level III Assets    
Reinsurance recoverable, measurement input 0.097  
Level III Liabilities    
Closed block policy liabilities, measurement input 0.097  
Level III | Unobservable inputs are a market participant’s view of the expenses, a risk margin on the uncertainty of the level of expenses and a cost of capital on the capital held in support of the liabilities. | Insurance | Minimum | Cost of capital    
Level III Assets    
Reinsurance recoverable, measurement input 0.0369  
Level III Liabilities    
Closed block policy liabilities, measurement input 0.0369  
Level III | Unobservable inputs are a market participant’s view of the expenses, a risk margin on the uncertainty of the level of expenses and a cost of capital on the capital held in support of the liabilities. | Insurance | Maximum | Cost of capital    
Level III Assets    
Reinsurance recoverable, measurement input 0.1385  
Level III Liabilities    
Closed block policy liabilities, measurement input 0.1385  
Level III | Present value of best estimate liability cash flows. Unobservable inputs include a market participant view of the risk margin included in the discount rate which reflects the variability of the cash flows. | Insurance | Weighted Average | Risk Margin Rate    
Level III Liabilities    
Policy liabilities, measurement input 0.0126  
Level III | Present value of best estimate liability cash flows. Unobservable inputs include a market participant view of the risk margin included in the discount rate which reflects the variability of the cash flows. | Insurance | Minimum | Risk Margin Rate    
Level III Liabilities    
Policy liabilities, measurement input 0.0065  
Level III | Present value of best estimate liability cash flows. Unobservable inputs include a market participant view of the risk margin included in the discount rate which reflects the variability of the cash flows. | Insurance | Maximum | Risk Margin Rate    
Level III Liabilities    
Policy liabilities, measurement input 0.0194  
Level III | Policyholder behavior is also a significant unobservable input, including surrender and mortality. | Insurance | Weighted Average | Mortality Rate    
Level III Liabilities    
Policy liabilities, measurement input 0.0453  
Level III | Policyholder behavior is also a significant unobservable input, including surrender and mortality. | Insurance | Weighted Average | Surrender Rate    
Level III Liabilities    
Policy liabilities, measurement input 0.0588  
Level III | Policyholder behavior is also a significant unobservable input, including surrender and mortality. | Insurance | Minimum | Mortality Rate    
Level III Liabilities    
Policy liabilities, measurement input 0.0361  
Level III | Policyholder behavior is also a significant unobservable input, including surrender and mortality. | Insurance | Minimum | Surrender Rate    
Level III Liabilities    
Policy liabilities, measurement input 0.0360  
Level III | Policyholder behavior is also a significant unobservable input, including surrender and mortality. | Insurance | Maximum | Mortality Rate    
Level III Liabilities    
Policy liabilities, measurement input 0.0914  
Level III | Policyholder behavior is also a significant unobservable input, including surrender and mortality. | Insurance | Maximum | Surrender Rate    
Level III Liabilities    
Policy liabilities, measurement input 0.0683  
Level III | Nonperformance Risk | Insurance | Weighted Average    
Level III Liabilities    
Closed block policy liabilities, measurement input 0.0098  
Level III | Nonperformance Risk | Insurance | Minimum    
Level III Liabilities    
Closed block policy liabilities, measurement input 0.0061  
Level III | Nonperformance Risk | Insurance | Maximum    
Level III Liabilities    
Closed block policy liabilities, measurement input 0.0142  
Level III | Policy persistency is a significant unobservable input. | Insurance | Indexed universal life | Mortality Rate    
Level III Liabilities    
Embedded derivative, measurement input 0.0072  
Level III | Policy persistency is a significant unobservable input. | Insurance | Indexed universal life | Lapse Rate    
Level III Liabilities    
Embedded derivative, measurement input 0.0345  
Level III | Future costs for options used to hedge the contract obligations | Insurance | Indexed universal life | Option Budge Assumption    
Level III Liabilities    
Embedded derivative, measurement input 0.0366  
Level III | Future costs for options used to hedge the contract obligations | Insurance | Weighted Average | Indexed universal life | Nonperformance Risk    
Level III Liabilities    
Embedded derivative, measurement input 0.0098  
Level III | Future costs for options used to hedge the contract obligations | Insurance | Weighted Average | Variable annuity | Nonperformance Risk    
Level III Liabilities    
Embedded derivative, measurement input 0.0098  
Level III | Future costs for options used to hedge the contract obligations | Insurance | Weighted Average | Retail RIA | Option Budge Assumption    
Level III Liabilities    
Embedded derivative, measurement input 0.0199  
Level III | Future costs for options used to hedge the contract obligations | Insurance | Weighted Average | Institutional FIA | Mortality Rate    
Level III Liabilities    
Embedded derivative, measurement input 0.0236  
Level III | Future costs for options used to hedge the contract obligations | Insurance | Minimum | Indexed universal life | Nonperformance Risk    
Level III Liabilities    
Embedded derivative, measurement input 0.0061  
Level III | Future costs for options used to hedge the contract obligations | Insurance | Minimum | Variable annuity | Nonperformance Risk    
Level III Liabilities    
Embedded derivative, measurement input 0.0061  
Level III | Future costs for options used to hedge the contract obligations | Insurance | Maximum | Indexed universal life | Nonperformance Risk    
Level III Liabilities    
Embedded derivative, measurement input 0.0142  
Level III | Future costs for options used to hedge the contract obligations | Insurance | Maximum | Variable annuity | Nonperformance Risk    
Level III Liabilities    
Embedded derivative, measurement input 0.0142  
Level III | Policyholder behavior is a significant unobservable input, including utilization and lapse. | Insurance | Weighted Average | Fixed-indexed annuity | Mortality Rate    
Level III Liabilities    
Embedded derivative, measurement input 0.0212  
Level III | Policyholder behavior is a significant unobservable input, including utilization and lapse. | Insurance | Weighted Average | Fixed-indexed annuity | Surrender Rate    
Level III Liabilities    
Embedded derivative, measurement input 0.1081  
Level III | Policyholder behavior is a significant unobservable input, including utilization and lapse. | Insurance | Weighted Average | Fixed-indexed annuity | Utilization    
Level III Liabilities    
Embedded derivative, measurement input 0.0349  
Level III | Policyholder behavior is a significant unobservable input, including utilization and lapse. | Insurance | Weighted Average | Variable annuity | Utilization    
Level III Liabilities    
Embedded derivative, measurement input 0.0428  
Level III | Policyholder behavior is a significant unobservable input, including utilization and lapse. | Insurance | Weighted Average | Institutional FIA | Mortality Rate    
Level III Liabilities    
Embedded derivative, measurement input 0.0201  
Level III | Policyholder behavior is a significant unobservable input, including utilization and lapse. | Insurance | Weighted Average | Institutional FIA | Surrender Rate    
Level III Liabilities    
Embedded derivative, measurement input 0.1726  
Level III | Policyholder behavior is a significant unobservable input, including utilization and lapse. | Insurance | Minimum | Variable annuity | Mortality Rate    
Level III Liabilities    
Embedded derivative, measurement input 0.0146  
Level III | Policyholder behavior is a significant unobservable input, including utilization and lapse. | Insurance | Minimum | Variable annuity | Surrender Rate    
Level III Liabilities    
Embedded derivative, measurement input 0.0345  
Level III | Policyholder behavior is a significant unobservable input, including utilization and lapse. | Insurance | Minimum | Variable annuity | Utilization    
Level III Liabilities    
Embedded derivative, measurement input 0.0250  
Level III | Policyholder behavior is a significant unobservable input, including utilization and lapse. | Insurance | Maximum | Variable annuity | Mortality Rate    
Level III Liabilities    
Embedded derivative, measurement input 0.0755  
Level III | Policyholder behavior is a significant unobservable input, including utilization and lapse. | Insurance | Maximum | Variable annuity | Surrender Rate    
Level III Liabilities    
Embedded derivative, measurement input 0.4168  
Level III | Policyholder behavior is a significant unobservable input, including utilization and lapse. | Insurance | Maximum | Variable annuity | Utilization    
Level III Liabilities    
Embedded derivative, measurement input 0.3284  
Level III | Private Equity | Asset Management    
Level III Assets    
Private equity, fair value $ 22,763,550,000  
Level III | Private Equity | Inputs to market comparables, discounted cash flow and transaction price | Asset Management | Weighted Average | Weight Ascribed to Market Comparables    
Level III Assets    
Private equity, measurement input 0.292  
Level III | Private Equity | Inputs to market comparables, discounted cash flow and transaction price | Asset Management | Weighted Average | Weight Ascribed to Discounted Cash Flow    
Level III Assets    
Private equity, measurement input 0.689  
Level III | Private Equity | Inputs to market comparables, discounted cash flow and transaction price | Asset Management | Weighted Average | Weight Ascribed to Transaction Price    
Level III Assets    
Private equity, measurement input 0.019  
Level III | Private Equity | Inputs to market comparables, discounted cash flow and transaction price | Asset Management | Weighted Average | Illiquidity Discount    
Level III Assets    
Private equity, measurement input 0.065  
Level III | Private Equity | Inputs to market comparables, discounted cash flow and transaction price | Asset Management | Minimum | Weight Ascribed to Market Comparables    
Level III Assets    
Private equity, measurement input 0.000  
Level III | Private Equity | Inputs to market comparables, discounted cash flow and transaction price | Asset Management | Minimum | Weight Ascribed to Discounted Cash Flow    
Level III Assets    
Private equity, measurement input 0.000  
Level III | Private Equity | Inputs to market comparables, discounted cash flow and transaction price | Asset Management | Minimum | Weight Ascribed to Transaction Price    
Level III Assets    
Private equity, measurement input 0.000  
Level III | Private Equity | Inputs to market comparables, discounted cash flow and transaction price | Asset Management | Minimum | Illiquidity Discount    
Level III Assets    
Private equity, measurement input 0.050  
Level III | Private Equity | Inputs to market comparables, discounted cash flow and transaction price | Asset Management | Maximum | Weight Ascribed to Market Comparables    
Level III Assets    
Private equity, measurement input 0.750  
Level III | Private Equity | Inputs to market comparables, discounted cash flow and transaction price | Asset Management | Maximum | Weight Ascribed to Discounted Cash Flow    
Level III Assets    
Private equity, measurement input 1.000  
Level III | Private Equity | Inputs to market comparables, discounted cash flow and transaction price | Asset Management | Maximum | Weight Ascribed to Transaction Price    
Level III Assets    
Private equity, measurement input 0.800  
Level III | Private Equity | Inputs to market comparables, discounted cash flow and transaction price | Asset Management | Maximum | Illiquidity Discount    
Level III Assets    
Private equity, measurement input 0.150  
Level III | Private Equity | Market comparables | Asset Management | Weighted Average | Enterprise Value/LTM EBITDA Multiple    
Level III Assets    
Private equity, measurement input 17.5  
Level III | Private Equity | Market comparables | Asset Management | Weighted Average | Enterprise Value/Forward EBITDA Multiple    
Level III Assets    
Private equity, measurement input 15.8  
Level III | Private Equity | Market comparables | Asset Management | Minimum | Enterprise Value/LTM EBITDA Multiple    
Level III Assets    
Private equity, measurement input 7.7  
Level III | Private Equity | Market comparables | Asset Management | Minimum | Enterprise Value/Forward EBITDA Multiple    
Level III Assets    
Private equity, measurement input 7.4  
Level III | Private Equity | Market comparables | Asset Management | Maximum | Enterprise Value/LTM EBITDA Multiple    
Level III Assets    
Private equity, measurement input 51.1  
Level III | Private Equity | Market comparables | Asset Management | Maximum | Enterprise Value/Forward EBITDA Multiple    
Level III Assets    
Private equity, measurement input 30.7  
Level III | Private Equity | Discounted cash flow | Asset Management | Weighted Average | Weighted Average Cost of Capital    
Level III Assets    
Private equity, measurement input 0.102  
Level III | Private Equity | Discounted cash flow | Asset Management | Weighted Average | Enterprise Value/LTM EBITDA Exit Multiple    
Level III Assets    
Private equity, measurement input 14.3  
Level III | Private Equity | Discounted cash flow | Asset Management | Minimum | Weighted Average Cost of Capital    
Level III Assets    
Private equity, measurement input 0.059  
Level III | Private Equity | Discounted cash flow | Asset Management | Minimum | Enterprise Value/LTM EBITDA Exit Multiple    
Level III Assets    
Private equity, measurement input 6.0  
Level III | Private Equity | Discounted cash flow | Asset Management | Maximum | Weighted Average Cost of Capital    
Level III Assets    
Private equity, measurement input 0.144  
Level III | Private Equity | Discounted cash flow | Asset Management | Maximum | Enterprise Value/LTM EBITDA Exit Multiple    
Level III Assets    
Private equity, measurement input 27.6  
Level III | Growth Equity | Asset Management    
Level III Assets    
Growth equity, fair value disclosure $ 2,573,407,000  
Level III | Growth Equity | Inputs to market comparables, discounted cash flow and transaction price | Asset Management | Weighted Average | Weight Ascribed to Market Comparables    
Level III Assets    
Growth equity, measurement input 0.277  
Level III | Growth Equity | Inputs to market comparables, discounted cash flow and transaction price | Asset Management | Weighted Average | Weight Ascribed to Discounted Cash Flow    
Level III Assets    
Growth equity, measurement input 0.002  
Level III | Growth Equity | Inputs to market comparables, discounted cash flow and transaction price | Asset Management | Weighted Average | Illiquidity Discount    
Level III Assets    
Growth equity, measurement input 0.095  
Level III | Growth Equity | Inputs to market comparables, discounted cash flow and transaction price | Asset Management | Weighted Average | Weight Ascribed to Milestones    
Level III Assets    
Growth equity, measurement input 0.721  
Level III | Growth Equity | Inputs to market comparables, discounted cash flow and transaction price | Asset Management | Minimum | Weight Ascribed to Market Comparables    
Level III Assets    
Growth equity, measurement input 0.000  
Level III | Growth Equity | Inputs to market comparables, discounted cash flow and transaction price | Asset Management | Minimum | Weight Ascribed to Discounted Cash Flow    
Level III Assets    
Growth equity, measurement input 0.000  
Level III | Growth Equity | Inputs to market comparables, discounted cash flow and transaction price | Asset Management | Minimum | Illiquidity Discount    
Level III Assets    
Growth equity, measurement input 0.050  
Level III | Growth Equity | Inputs to market comparables, discounted cash flow and transaction price | Asset Management | Minimum | Weight Ascribed to Milestones    
Level III Assets    
Growth equity, measurement input 0.000  
Level III | Growth Equity | Inputs to market comparables, discounted cash flow and transaction price | Asset Management | Maximum | Weight Ascribed to Market Comparables    
Level III Assets    
Growth equity, measurement input 1.000  
Level III | Growth Equity | Inputs to market comparables, discounted cash flow and transaction price | Asset Management | Maximum | Weight Ascribed to Discounted Cash Flow    
Level III Assets    
Growth equity, measurement input 0.100  
Level III | Growth Equity | Inputs to market comparables, discounted cash flow and transaction price | Asset Management | Maximum | Illiquidity Discount    
Level III Assets    
Growth equity, measurement input 0.500  
Level III | Growth Equity | Inputs to market comparables, discounted cash flow and transaction price | Asset Management | Maximum | Weight Ascribed to Milestones    
Level III Assets    
Growth equity, measurement input 1.000  
Level III | Growth Equity | Scenario Weighting | Asset Management | Weighted Average | Base    
Level III Assets    
Growth equity, measurement input 0.737  
Level III | Growth Equity | Scenario Weighting | Asset Management | Weighted Average | Downside    
Level III Assets    
Growth equity, measurement input 0.036  
Level III | Growth Equity | Scenario Weighting | Asset Management | Weighted Average | Upside    
Level III Assets    
Growth equity, measurement input 0.227  
Level III | Growth Equity | Scenario Weighting | Asset Management | Minimum | Base    
Level III Assets    
Growth equity, measurement input 0.600  
Level III | Growth Equity | Scenario Weighting | Asset Management | Minimum | Downside    
Level III Assets    
Growth equity, measurement input 0.000  
Level III | Growth Equity | Scenario Weighting | Asset Management | Minimum | Upside    
Level III Assets    
Growth equity, measurement input 0.150  
Level III | Growth Equity | Scenario Weighting | Asset Management | Maximum | Base    
Level III Assets    
Growth equity, measurement input 0.750  
Level III | Growth Equity | Scenario Weighting | Asset Management | Maximum | Downside    
Level III Assets    
Growth equity, measurement input 0.250  
Level III | Growth Equity | Scenario Weighting | Asset Management | Maximum | Upside    
Level III Assets    
Growth equity, measurement input 0.250  
Level III | Energy | Asset Management    
Level III Assets    
Real assets, fair value $ 1,804,385,000  
Level III | Energy | Inputs to market comparables, discounted cash flow and transaction price | Asset Management | Weighted Average | Weight Ascribed to Market Comparables    
Level III Assets    
Real assets, measurement input 0.483  
Level III | Energy | Inputs to market comparables, discounted cash flow and transaction price | Asset Management | Weighted Average | Weight Ascribed to Discounted Cash Flow    
Level III Assets    
Real assets, measurement input 0.517  
Level III | Energy | Inputs to market comparables, discounted cash flow and transaction price | Asset Management | Minimum | Weight Ascribed to Market Comparables    
Level III Assets    
Real assets, measurement input 0.000  
Level III | Energy | Inputs to market comparables, discounted cash flow and transaction price | Asset Management | Minimum | Weight Ascribed to Discounted Cash Flow    
Level III Assets    
Real assets, measurement input 0.500  
Level III | Energy | Inputs to market comparables, discounted cash flow and transaction price | Asset Management | Maximum | Weight Ascribed to Market Comparables    
Level III Assets    
Real assets, measurement input 0.500  
Level III | Energy | Inputs to market comparables, discounted cash flow and transaction price | Asset Management | Maximum | Weight Ascribed to Discounted Cash Flow    
Level III Assets    
Real assets, measurement input 1.000  
Level III | Energy | Market comparables | Asset Management | Weighted Average | Enterprise Value/LTM EBITDA Multiple    
Level III Assets    
Real assets, measurement input 4.2  
Level III | Energy | Market comparables | Asset Management | Weighted Average | Enterprise Value/Forward EBITDA Multiple    
Level III Assets    
Real assets, measurement input 6.6  
Level III | Energy | Market comparables | Asset Management | Minimum | Enterprise Value/LTM EBITDA Multiple    
Level III Assets    
Real assets, measurement input 4.2  
Level III | Energy | Market comparables | Asset Management | Minimum | Enterprise Value/Forward EBITDA Multiple    
Level III Assets    
Real assets, measurement input 3.0  
Level III | Energy | Market comparables | Asset Management | Maximum | Enterprise Value/LTM EBITDA Multiple    
Level III Assets    
Real assets, measurement input 4.2  
Level III | Energy | Market comparables | Asset Management | Maximum | Enterprise Value/Forward EBITDA Multiple    
Level III Assets    
Real assets, measurement input 7.7  
Level III | Energy | Discounted cash flow | Liquids    
Level III Assets    
Revenue ratio of liquids 83.00%  
Level III | Energy | Discounted cash flow | Natural Gas    
Level III Assets    
Revenue ratio of natural gas 17.00%  
Level III | Energy | Discounted cash flow | Asset Management | Weighted Average | Weighted Average Cost of Capital    
Level III Assets    
Real assets, measurement input 0.123  
Level III | Energy | Discounted cash flow | Asset Management | Weighted Average | Average Price Per BOE    
Level III Assets    
Real assets, measurement input, value | $ / Boe 52.96  
Level III | Energy | Discounted cash flow | Asset Management | Minimum | Weighted Average Cost of Capital    
Level III Assets    
Real assets, measurement input 0.112  
Level III | Energy | Discounted cash flow | Asset Management | Minimum | Average Price Per BOE    
Level III Assets    
Real assets, measurement input, value | $ / Boe 50.49  
Level III | Energy | Discounted cash flow | Asset Management | Maximum | Weighted Average Cost of Capital    
Level III Assets    
Real assets, measurement input 0.146  
Level III | Energy | Discounted cash flow | Asset Management | Maximum | Average Price Per BOE    
Level III Assets    
Real assets, measurement input, value | $ / Boe 57.28  
Level III | Infrastructure | Asset Management    
Level III Assets    
Real assets, fair value $ 7,105,673,000  
Level III | Infrastructure | Inputs to market comparables, discounted cash flow and transaction price | Asset Management | Weighted Average | Weight Ascribed to Market Comparables    
Level III Assets    
Real assets, measurement input 0.015  
Level III | Infrastructure | Inputs to market comparables, discounted cash flow and transaction price | Asset Management | Weighted Average | Weight Ascribed to Discounted Cash Flow    
Level III Assets    
Real assets, measurement input 0.842  
Level III | Infrastructure | Inputs to market comparables, discounted cash flow and transaction price | Asset Management | Weighted Average | Weight Ascribed to Transaction Price    
Level III Assets    
Real assets, measurement input 0.143  
Level III | Infrastructure | Inputs to market comparables, discounted cash flow and transaction price | Asset Management | Weighted Average | Enterprise Value/LTM EBITDA Multiple    
Level III Assets    
Real assets, measurement input 10.9  
Level III | Infrastructure | Inputs to market comparables, discounted cash flow and transaction price | Asset Management | Weighted Average | Illiquidity Discount    
Level III Assets    
Real assets, measurement input 0.057  
Level III | Infrastructure | Inputs to market comparables, discounted cash flow and transaction price | Asset Management | Minimum | Weight Ascribed to Market Comparables    
Level III Assets    
Real assets, measurement input 0.000  
Level III | Infrastructure | Inputs to market comparables, discounted cash flow and transaction price | Asset Management | Minimum | Weight Ascribed to Discounted Cash Flow    
Level III Assets    
Real assets, measurement input 0.000  
Level III | Infrastructure | Inputs to market comparables, discounted cash flow and transaction price | Asset Management | Minimum | Weight Ascribed to Transaction Price    
Level III Assets    
Real assets, measurement input 0.000  
Level III | Infrastructure | Inputs to market comparables, discounted cash flow and transaction price | Asset Management | Minimum | Enterprise Value/LTM EBITDA Multiple    
Level III Assets    
Real assets, measurement input 10.9  
Level III | Infrastructure | Inputs to market comparables, discounted cash flow and transaction price | Asset Management | Minimum | Illiquidity Discount    
Level III Assets    
Real assets, measurement input 0.050  
Level III | Infrastructure | Inputs to market comparables, discounted cash flow and transaction price | Asset Management | Maximum | Weight Ascribed to Market Comparables    
Level III Assets    
Real assets, measurement input 0.250  
Level III | Infrastructure | Inputs to market comparables, discounted cash flow and transaction price | Asset Management | Maximum | Weight Ascribed to Discounted Cash Flow    
Level III Assets    
Real assets, measurement input 1.000  
Level III | Infrastructure | Inputs to market comparables, discounted cash flow and transaction price | Asset Management | Maximum | Weight Ascribed to Transaction Price    
Level III Assets    
Real assets, measurement input 1.000  
Level III | Infrastructure | Inputs to market comparables, discounted cash flow and transaction price | Asset Management | Maximum | Enterprise Value/LTM EBITDA Multiple    
Level III Assets    
Real assets, measurement input 10.9  
Level III | Infrastructure | Inputs to market comparables, discounted cash flow and transaction price | Asset Management | Maximum | Illiquidity Discount    
Level III Assets    
Real assets, measurement input 0.100  
Level III | Infrastructure | Market comparables | Asset Management | Weighted Average | Enterprise Value/Forward EBITDA Multiple    
Level III Assets    
Real assets, measurement input 14.7  
Level III | Infrastructure | Market comparables | Asset Management | Minimum | Enterprise Value/Forward EBITDA Multiple    
Level III Assets    
Real assets, measurement input 10.8  
Level III | Infrastructure | Market comparables | Asset Management | Maximum | Enterprise Value/Forward EBITDA Multiple    
Level III Assets    
Real assets, measurement input 20.5  
Level III | Infrastructure | Discounted cash flow | Asset Management | Weighted Average | Weighted Average Cost of Capital    
Level III Assets    
Real assets, measurement input 0.072  
Level III | Infrastructure | Discounted cash flow | Asset Management | Weighted Average | Enterprise Value/LTM EBITDA Exit Multiple    
Level III Assets    
Real assets, measurement input 13.1  
Level III | Infrastructure | Discounted cash flow | Asset Management | Minimum | Weighted Average Cost of Capital    
Level III Assets    
Real assets, measurement input 0.051  
Level III | Infrastructure | Discounted cash flow | Asset Management | Minimum | Enterprise Value/LTM EBITDA Exit Multiple    
Level III Assets    
Real assets, measurement input 1.4  
Level III | Infrastructure | Discounted cash flow | Asset Management | Maximum | Weighted Average Cost of Capital    
Level III Assets    
Real assets, measurement input 0.085  
Level III | Infrastructure | Discounted cash flow | Asset Management | Maximum | Enterprise Value/LTM EBITDA Exit Multiple    
Level III Assets    
Real assets, measurement input 22.0  
Level III | Real Estate | Asset Management    
Level III Assets    
Real assets, fair value $ 8,105,054,000  
Level III | Real Estate | Discounted cash flow | Asset Management | Weighted Average | Unlevered Discount Rate    
Level III Assets    
Real assets, measurement input 0.066  
Level III | Real Estate | Discounted cash flow | Asset Management | Minimum | Unlevered Discount Rate    
Level III Assets    
Real assets, measurement input 0.026  
Level III | Real Estate | Discounted cash flow | Asset Management | Maximum | Unlevered Discount Rate    
Level III Assets    
Real assets, measurement input 0.180  
Level III | Real Estate | Inputs to direct income capitalization, discounted cash flow and transaction price | Asset Management | Weighted Average | Weight Ascribed to Discounted Cash Flow    
Level III Assets    
Real assets, measurement input 0.752  
Level III | Real Estate | Inputs to direct income capitalization, discounted cash flow and transaction price | Asset Management | Weighted Average | Weight Ascribed to Transaction Price    
Level III Assets    
Real assets, measurement input 0.018  
Level III | Real Estate | Inputs to direct income capitalization, discounted cash flow and transaction price | Asset Management | Weighted Average | Weight Ascribed to Direct Income Capitalization    
Level III Assets    
Real assets, measurement input 0.230  
Level III | Real Estate | Inputs to direct income capitalization, discounted cash flow and transaction price | Asset Management | Minimum | Weight Ascribed to Discounted Cash Flow    
Level III Assets    
Real assets, measurement input 0.000  
Level III | Real Estate | Inputs to direct income capitalization, discounted cash flow and transaction price | Asset Management | Minimum | Weight Ascribed to Transaction Price    
Level III Assets    
Real assets, measurement input 0.000  
Level III | Real Estate | Inputs to direct income capitalization, discounted cash flow and transaction price | Asset Management | Minimum | Weight Ascribed to Direct Income Capitalization    
Level III Assets    
Real assets, measurement input 0.000  
Level III | Real Estate | Inputs to direct income capitalization, discounted cash flow and transaction price | Asset Management | Maximum | Weight Ascribed to Discounted Cash Flow    
Level III Assets    
Real assets, measurement input 1.000  
Level III | Real Estate | Inputs to direct income capitalization, discounted cash flow and transaction price | Asset Management | Maximum | Weight Ascribed to Transaction Price    
Level III Assets    
Real assets, measurement input 1.000  
Level III | Real Estate | Inputs to direct income capitalization, discounted cash flow and transaction price | Asset Management | Maximum | Weight Ascribed to Direct Income Capitalization    
Level III Assets    
Real assets, measurement input 1.000  
Level III | Real Estate | Direct income capitalization | Asset Management | Weighted Average | Current Capitalization Rate    
Level III Assets    
Real assets, measurement input 0.050  
Level III | Real Estate | Direct income capitalization | Asset Management | Minimum | Current Capitalization Rate    
Level III Assets    
Real assets, measurement input 0.023  
Level III | Real Estate | Direct income capitalization | Asset Management | Maximum | Current Capitalization Rate    
Level III Assets    
Real assets, measurement input 0.077  
Level III | Corporate Securities | Insurance    
Level III Assets    
Securities, fair value $ 1,851,939,000  
Level III | Corporate Securities | Discounted cash flow | Insurance | Weighted Average | Discount Spread    
Level III Assets    
Securities, measurement input 0.0305  
Level III | Corporate Securities | Discounted cash flow | Insurance | Minimum | Discount Spread    
Level III Assets    
Securities, measurement input 0.0022  
Level III | Corporate Securities | Discounted cash flow | Insurance | Maximum | Discount Spread    
Level III Assets    
Securities, measurement input 0.0602  
Level III | Structured securities | Insurance    
Level III Assets    
Securities, fair value $ 93,561,000  
Level III | Structured securities | Discounted cash flow | Insurance | Loss Severity    
Level III Assets    
Securities, measurement input 1  
Level III | Structured securities | Discounted cash flow | Insurance | Weighted Average | Discount Spread    
Level III Assets    
Securities, measurement input 0.0355  
Level III | Structured securities | Discounted cash flow | Insurance | Weighted Average | Constant Prepayment Rate    
Level III Assets    
Securities, measurement input 0.0739  
Level III | Structured securities | Discounted cash flow | Insurance | Weighted Average | Constant Default Rate    
Level III Assets    
Securities, measurement input 0.0120  
Level III | Structured securities | Discounted cash flow | Insurance | Minimum | Discount Spread    
Level III Assets    
Securities, measurement input 0.0293  
Level III | Structured securities | Discounted cash flow | Insurance | Minimum | Constant Prepayment Rate    
Level III Assets    
Securities, measurement input 0.0500  
Level III | Structured securities | Discounted cash flow | Insurance | Minimum | Constant Default Rate    
Level III Assets    
Securities, measurement input 0.0100  
Level III | Structured securities | Discounted cash flow | Insurance | Maximum | Discount Spread    
Level III Assets    
Securities, measurement input 0.0658  
Level III | Structured securities | Discounted cash flow | Insurance | Maximum | Constant Prepayment Rate    
Level III Assets    
Securities, measurement input 0.1500  
Level III | Structured securities | Discounted cash flow | Insurance | Maximum | Constant Default Rate    
Level III Assets    
Securities, measurement input 0.0250