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FAIR VALUE MEASUREMENTS - Valuation Methodologies and Significant Unobservable Inputs (Details)
6 Months Ended
Jun. 30, 2023
USD ($)
$ / Boe
Dec. 31, 2022
USD ($)
Level III Liabilities    
Embedded derivative, fair value $ 3,300,000,000 $ 2,200,000,000
Insurance    
Level III Assets    
Reinsurance recoverable, fair value 26,127,424,000 26,022,081,000
Level III Liabilities    
Funds withheld payable at interest $ 819,014,000 $ 1,059,820,000
Yield Analysis | Asset Management | Weighted Average | Yield    
Level III Liabilities    
Unfunded revolving commitments, measurement input 0.127  
Level III | Asset Management    
Level III Assets    
Private equity, fair value $ 28,606,221,000  
Credit, fair value 5,372,882,000  
Real assets, fair value 20,307,579,000  
Other investments, fair value 3,670,330,000  
Level III Liabilities    
Unfunded revolving commitments, fair value 110,106,000  
Level III | Asset Management | Equity Method - Other | Investments    
Level III Assets    
Equity method - other, fair value 1,695,170,000  
Level III | Insurance    
Level III Assets    
Other investments, fair value 4,825,147,000  
Funds withheld receivables at interest (3,833,000)  
Reinsurance recoverable, fair value 988,639,000  
Level III Liabilities    
Policy liabilities, fair value 1,181,368,000  
Closed block policy liabilities, fair value 1,026,339,000  
Funds withheld payable at interest (3,090,373,000)  
Level III | Insurance | Interest sensitive life    
Level III Liabilities    
Embedded derivative, fair value 447,005,000  
Level III | Insurance | Fixed-indexed annuity    
Level III Liabilities    
Embedded derivative, fair value $ 2,815,783,000  
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 0.471  
Other investments, measurement input 0.151  
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 0.372  
Other investments, measurement input 0.483  
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 0.157  
Other investments, measurement input 0.366  
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 0.066  
Other investments, measurement input 0.084  
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 0.050  
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 0.500  
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 0.150  
Level III | Market comparables | Asset Management | Weighted Average | Enterprise Value/LTM EBITDA Multiple    
Level III Assets    
Equity method - other, measurement input 14.1  
Other investments, measurement input 10.1  
Level III | Market comparables | Asset Management | Weighted Average | Enterprise Value/Forward EBITDA Multiple    
Level III Assets    
Equity method - other, measurement input 11.2  
Other investments, measurement input 9.8  
Level III | Market comparables | Asset Management | Minimum | Enterprise Value/LTM EBITDA Multiple    
Level III Assets    
Equity method - other, measurement input 3.0  
Other investments, measurement input 5.8  
Level III | Market comparables | Asset Management | Minimum | Enterprise Value/Forward EBITDA Multiple    
Level III Assets    
Equity method - other, measurement input 4.1  
Other investments, measurement input 0.0  
Level III | Market comparables | Asset Management | Maximum | Enterprise Value/LTM EBITDA Multiple    
Level III Assets    
Equity method - other, measurement input 20.4  
Other investments, measurement input 22.0  
Level III | Market comparables | Asset Management | Maximum | Enterprise Value/Forward EBITDA Multiple    
Level III Assets    
Equity method - other, measurement input 18.8  
Other investments, measurement input 19.1  
Level III | Discounted cash flow | Asset Management | Weighted Average | Weighted Average Cost of Capital    
Level III Assets    
Equity method - other, measurement input 0.104  
Other investments, measurement input 0.110  
Level III | Discounted cash flow | Asset Management | Weighted Average | Enterprise Value/LTM EBITDA Exit Multiple    
Level III Assets    
Equity method - other, measurement input 11.0  
Other investments, measurement input 12.2  
Level III | Discounted cash flow | Asset Management | Minimum | Weighted Average Cost of Capital    
Level III Assets    
Equity method - other, measurement input 0.070  
Other investments, measurement input 0.093  
Level III | Discounted cash flow | Asset Management | Minimum | Enterprise Value/LTM EBITDA Exit Multiple    
Level III Assets    
Equity method - other, measurement input 9.5  
Other investments, measurement input 8.5  
Level III | Discounted cash flow | Asset Management | Maximum | Weighted Average Cost of Capital    
Level III Assets    
Equity method - other, measurement input 0.155  
Other investments, measurement input 0.250  
Level III | Discounted cash flow | Asset Management | Maximum | Enterprise Value/LTM EBITDA Exit Multiple    
Level III Assets    
Equity method - other, measurement input 15.0  
Other investments, measurement input 15.0  
Level III | Discounted cash flow | Insurance | Weighted Average | Vacancy rate    
Level III Assets    
Other investments, measurement input 0.0270  
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 2 months 8 days  
Level III Liabilities    
Funds withheld payable at interest, measurement input, term 8 years 1 month 20 days  
Level III | Discounted cash flow | Insurance | Weighted Average | Contractholder Persistency    
Level III Assets    
Funds withheld receivable at interest, measurement input 0.0675  
Level III Liabilities    
Funds withheld payable at interest, measurement input 0.0675  
Level III | Discounted cash flow | Insurance | Weighted Average | Instrument-specific credit risk    
Level III Assets    
Funds withheld receivable at interest, measurement input 0.0121  
Level III Liabilities    
Funds withheld payable at interest, measurement input 0.0121  
Level III | Discounted cash flow | Insurance | Weighted Average | Mortality Rate    
Level III Assets    
Reinsurance recoverable, measurement input 0.0552  
Level III Liabilities    
Closed block policy liabilities, measurement input 0.0552  
Level III | Discounted cash flow | Insurance | Weighted Average | Surrender Rate    
Level III Assets    
Reinsurance recoverable, measurement input 0.0200  
Level III Liabilities    
Closed block policy liabilities, measurement input 0.0200  
Level III | Discounted cash flow | Insurance | Weighted Average | Discount rate    
Level III Assets    
Other investments, measurement input 0.0742  
Level III | Discounted cash flow | Insurance | Weighted Average | Terminal capitalization rate    
Level III Assets    
Other investments, measurement input 0.0595  
Level III | Discounted cash flow | Insurance | Minimum | Vacancy rate    
Level III Assets    
Other investments, measurement input 0.000000  
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 0.0330  
Level III Liabilities    
Funds withheld payable at interest, measurement input 0.0330  
Level III | Discounted cash flow | Insurance | Minimum | Instrument-specific credit risk    
Level III Assets    
Funds withheld receivable at interest, measurement input 0.0075  
Level III Liabilities    
Funds withheld payable at interest, measurement input 0.0075  
Level III | Discounted cash flow | Insurance | Minimum | Discount rate    
Level III Assets    
Other investments, measurement input 0.0600  
Level III | Discounted cash flow | Insurance | Minimum | Terminal capitalization rate    
Level III Assets    
Other investments, measurement input 0.0475  
Level III | Discounted cash flow | Insurance | Maximum | Vacancy rate    
Level III Assets    
Other investments, measurement input 0.0500  
Level III | Discounted cash flow | Insurance | Maximum | Duration/Weighted Average Life    
Level III Assets    
Funds withheld receivable at interest, measurement input, term 19 years 4 months 24 days  
Level III Liabilities    
Funds withheld payable at interest, measurement input, term 16 years 8 months 26 days  
Level III | Discounted cash flow | Insurance | Maximum | Contractholder Persistency    
Level III Assets    
Funds withheld receivable at interest, measurement input 0.1680  
Level III Liabilities    
Funds withheld payable at interest, measurement input 0.1680  
Level III | Discounted cash flow | Insurance | Maximum | Instrument-specific credit risk    
Level III Assets    
Funds withheld receivable at interest, measurement input 0.0130  
Level III Liabilities    
Funds withheld payable at interest, measurement input 0.0130  
Level III | Discounted cash flow | Insurance | Maximum | Discount rate    
Level III Assets    
Other investments, measurement input 0.0767  
Level III | Discounted cash flow | Insurance | Maximum | Terminal capitalization rate    
Level III Assets    
Other investments, measurement input 0.0665  
Level III | Yield Analysis | Asset Management | Weighted Average | Yield    
Level III Assets    
Credit, measurement input 0.116  
Level III | Yield Analysis | Asset Management | Weighted Average | Net Leverage    
Level III Assets    
Credit, measurement input 6.2  
Level III | Yield Analysis | Asset Management | Weighted Average | EBITDA Multiple    
Level III Assets    
Credit, measurement input 12.5  
Level III | Yield Analysis | Asset Management | Minimum | Yield    
Level III Assets    
Credit, measurement input 0.085  
Level III Liabilities    
Unfunded revolving commitments, measurement input 0.092  
Level III | Yield Analysis | Asset Management | Minimum | Net Leverage    
Level III Assets    
Credit, measurement input 0.3  
Level III | Yield Analysis | Asset Management | Minimum | EBITDA Multiple    
Level III Assets    
Credit, measurement input 0.2  
Level III | Yield Analysis | Asset Management | Maximum | Yield    
Level III Assets    
Credit, measurement input 0.211  
Level III Liabilities    
Unfunded revolving commitments, measurement input 0.230  
Level III | Yield Analysis | Asset Management | Maximum | Net Leverage    
Level III Assets    
Credit, measurement input 13.8  
Level III | Yield Analysis | Asset Management | Maximum | EBITDA Multiple    
Level III Assets    
Credit, measurement input 31.0  
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 (in dollars per share) $ 17.3  
Level III Liabilities    
Closed block liabilities, measurement input, value 17.3  
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 (in dollars per share) 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 (in dollars per share) 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 | Weighted Average | 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 0.098  
Level III Liabilities    
Closed block policy liabilities, measurement input 0.098  
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 0.0112  
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 0.0075  
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 0.0160  
Level III | Policyholder behavior is also a significant unobservable input, including lapse, surrender and mortality. | Insurance | Weighted Average | Mortality Rate    
Level III Liabilities    
Policy liabilities, measurement input 0.0446  
Level III | Policyholder behavior is also a significant unobservable input, including lapse, surrender and mortality. | Insurance | Weighted Average | Surrender Rate    
Level III Liabilities    
Policy liabilities, measurement input 0.0616  
Level III | Policyholder behavior is also a significant unobservable input, including lapse, surrender and mortality. | Insurance | Weighted Average | Lapse Rate    
Level III Liabilities    
Policy liabilities, measurement input 0.0320  
Level III | Policyholder behavior is also a significant unobservable input, including lapse, surrender and mortality. | Insurance | Minimum | Mortality Rate    
Level III Liabilities    
Policy liabilities, measurement input 0.0350  
Level III | Policyholder behavior is also a significant unobservable input, including lapse, surrender and mortality. | Insurance | Minimum | Surrender Rate    
Level III Liabilities    
Policy liabilities, measurement input 0.0347  
Level III | Policyholder behavior is also a significant unobservable input, including lapse, surrender and mortality. | Insurance | Minimum | Lapse Rate    
Level III Liabilities    
Policy liabilities, measurement input 0.0040  
Level III | Policyholder behavior is also a significant unobservable input, including lapse, surrender and mortality. | Insurance | Maximum | Mortality Rate    
Level III Liabilities    
Policy liabilities, measurement input 0.0909  
Level III | Policyholder behavior is also a significant unobservable input, including lapse, surrender and mortality. | Insurance | Maximum | Surrender Rate    
Level III Liabilities    
Policy liabilities, measurement input 0.0714  
Level III | Policyholder behavior is also a significant unobservable input, including lapse, surrender and mortality. | Insurance | Maximum | Lapse Rate    
Level III Liabilities    
Policy liabilities, measurement input 0.4480  
Level III | Valuation Technique, Market Risk Benefit, Interest Rates, 10 Year | Insurance | Mortality Rate    
Level III Liabilities    
Policy liabilities, measurement input 0.0381  
Level III | Valuation Technique, Market Risk Benefit, Interest Rates, 30 Year | Insurance | Mortality Rate    
Level III Liabilities    
Policy liabilities, measurement input 0.0385  
Level III | Valuation Technique, Market Risk Benefit, Instrument-Specific Credit Risk, 10 Year | Insurance | Mortality Rate    
Level III Liabilities    
Policy liabilities, measurement input 0.0118  
Level III | Valuation Technique, Market Risk Benefit, Instrument-Specific Credit Risk, 30 Year | Insurance | Mortality Rate    
Level III Liabilities    
Policy liabilities, measurement input 0.0130  
Level III | Valuation Technique, Market Risk Benefit, Policyholder Behavior | Insurance | Weighted Average | Mortality Rate    
Level III Liabilities    
Policy liabilities, measurement input 0.0210  
Level III | Valuation Technique, Market Risk Benefit, Policyholder Behavior | Insurance | Minimum | Mortality Rate    
Level III Liabilities    
Policy liabilities, measurement input 0.0070  
Level III | Valuation Technique, Market Risk Benefit, Policyholder Behavior | Insurance | Maximum | Mortality Rate    
Level III Liabilities    
Policy liabilities, measurement input 0.2220  
Level III | Instrument-specific credit risk | Insurance | Weighted Average    
Level III Liabilities    
Closed block policy liabilities, measurement input 0.0121  
Level III | Instrument-specific credit risk | Insurance | Minimum    
Level III Liabilities    
Closed block policy liabilities, measurement input 0.0075  
Level III | Instrument-specific credit risk | Insurance | Maximum    
Level III Liabilities    
Closed block policy liabilities, measurement input 0.0130  
Level III | Policy persistency is a significant unobservable input. | Insurance | Weighted Average | Interest sensitive life | Mortality Rate    
Level III Liabilities    
Embedded derivative, measurement input 0.0077  
Level III | Policy persistency is a significant unobservable input. | Insurance | Weighted Average | Interest sensitive life | Lapse Rate    
Level III Liabilities    
Embedded derivative, measurement input 0.0340  
Level III | Future costs for options used to hedge the contract obligations | Insurance | Weighted Average | Interest sensitive life | Instrument-specific credit risk    
Level III Liabilities    
Embedded derivative, measurement input 0.0121  
Level III | Future costs for options used to hedge the contract obligations | Insurance | Weighted Average | Interest sensitive life | Option Budge Assumption    
Level III Liabilities    
Embedded derivative, measurement input 0.0367  
Level III | Future costs for options used to hedge the contract obligations | Insurance | Weighted Average | Variable annuities | Instrument-specific credit risk    
Level III Liabilities    
Embedded derivative, measurement input 0.0121  
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 0.0286  
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 0.0226  
Level III | Future costs for options used to hedge the contract obligations | Insurance | Minimum | Interest sensitive life | Instrument-specific credit risk    
Level III Liabilities    
Embedded derivative, measurement input 0.0075  
Level III | Future costs for options used to hedge the contract obligations | Insurance | Minimum | Variable annuities | Instrument-specific credit risk    
Level III Liabilities    
Embedded derivative, measurement input 0.0075  
Level III | Future costs for options used to hedge the contract obligations | Insurance | Maximum | Interest sensitive life | Instrument-specific credit risk    
Level III Liabilities    
Embedded derivative, measurement input 0.0130  
Level III | Future costs for options used to hedge the contract obligations | Insurance | Maximum | Variable annuities | Instrument-specific credit risk    
Level III Liabilities    
Embedded derivative, measurement input 0.0130  
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 0.0214  
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 0.1160  
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 0.0341  
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 0.0194  
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 0.1642  
Level III | Private Equity | Asset Management    
Level III Assets    
Private equity, fair value $ 25,952,540,000  
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 0.279  
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 0.659  
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 0.062  
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 0.062  
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 1.000  
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 1.000  
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 19.0  
Level III | Private Equity | Market comparables | Asset Management | Weighted Average | Enterprise Value/Forward EBITDA Multiple    
Level III Assets    
Private equity, measurement input 16.9  
Level III | Private Equity | Market comparables | Asset Management | Minimum | Enterprise Value/LTM EBITDA Multiple    
Level III Assets    
Private equity, measurement input 7.5  
Level III | Private Equity | Market comparables | Asset Management | Minimum | Enterprise Value/Forward EBITDA Multiple    
Level III Assets    
Private equity, measurement input 5.0  
Level III | Private Equity | Market comparables | Asset Management | Maximum | Enterprise Value/LTM EBITDA Multiple    
Level III Assets    
Private equity, measurement input 55.3  
Level III | Private Equity | Market comparables | Asset Management | Maximum | Enterprise Value/Forward EBITDA Multiple    
Level III Assets    
Private equity, measurement input 31.2  
Level III | Private Equity | Discounted cash flow | Asset Management | Weighted Average | Weighted Average Cost of Capital    
Level III Assets    
Private equity, measurement input 0.099  
Level III | Private Equity | Discounted cash flow | Asset Management | Weighted Average | Enterprise Value/LTM EBITDA Exit Multiple    
Level III Assets    
Private equity, measurement input 14.5  
Level III | Private Equity | Discounted cash flow | Asset Management | Minimum | Weighted Average Cost of Capital    
Level III Assets    
Private equity, measurement input 0.066  
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 0.138  
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 $ 2,653,681,000  
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 0.280  
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 0.053  
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 0.090  
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 0.667  
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 0.500  
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 0.150  
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 0.767  
Level III | Growth Equity | Scenario Weighting | Asset Management | Weighted Average | Downside    
Level III Assets    
Growth equity, measurement input 0.100  
Level III | Growth Equity | Scenario Weighting | Asset Management | Weighted Average | Upside    
Level III Assets    
Growth equity, measurement input 0.183  
Level III | Growth Equity | Scenario Weighting | Asset Management | Minimum | Base    
Level III Assets    
Growth equity, measurement input 0.700  
Level III | Growth Equity | Scenario Weighting | Asset Management | Minimum | Downside    
Level III Assets    
Growth equity, measurement input 0.100  
Level III | Growth Equity | Scenario Weighting | Asset Management | Minimum | Upside    
Level III Assets    
Growth equity, measurement input 0.100  
Level III | Growth Equity | Scenario Weighting | Asset Management | Maximum | Base    
Level III Assets    
Growth equity, measurement input 0.800  
Level III | Growth Equity | Scenario Weighting | Asset Management | Maximum | Downside    
Level III Assets    
Growth equity, measurement input 0.100  
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 $ 1,561,688,000  
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 0.425  
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 0.575  
Level III | Energy | 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  
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 | Minimum | Weight Ascribed to Transaction Price    
Level III Assets    
Real assets, measurement input 0.000  
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 | 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 0.000  
Level III | Energy | Market comparables | Asset Management | Weighted Average | Enterprise Value/LTM EBITDA Multiple    
Level III Assets    
Real assets, measurement input 3.0  
Level III | Energy | Market comparables | Asset Management | Weighted Average | Enterprise Value/Forward EBITDA Multiple    
Level III Assets    
Real assets, measurement input 6.5  
Level III | Energy | Market comparables | Asset Management | Minimum | Enterprise Value/LTM EBITDA Multiple    
Level III Assets    
Real assets, measurement input 3.0  
Level III | Energy | Market comparables | Asset Management | Minimum | Enterprise Value/Forward EBITDA Multiple    
Level III Assets    
Real assets, measurement input 4.1  
Level III | Energy | Market comparables | Asset Management | Maximum | Enterprise Value/LTM EBITDA Multiple    
Level III Assets    
Real assets, measurement input 3.0  
Level III | Energy | Market comparables | Asset Management | Maximum | Enterprise Value/Forward EBITDA Multiple    
Level III Assets    
Real assets, measurement input 7.4  
Level III | Energy | Discounted cash flow | Liquids    
Level III Assets    
Revenue ratio of liquids 88.00%  
Level III | Energy | Discounted cash flow | Natural Gas    
Level III Assets    
Revenue ratio of natural gas 12.00%  
Level III | Energy | Discounted cash flow | Asset Management | Weighted Average | Weighted Average Cost of Capital    
Level III Assets    
Real assets, measurement input 0.120  
Level III | Energy | Discounted cash flow | Asset Management | Weighted Average | Average Price Per BOE    
Level III Assets    
Real assets, measurement input, value | $ / Boe 50.01  
Level III | Energy | Discounted cash flow | Asset Management | Minimum | Weighted Average Cost of Capital    
Level III Assets    
Real assets, measurement input 0.118  
Level III | Energy | Discounted cash flow | Asset Management | Minimum | Average Price Per BOE    
Level III Assets    
Real assets, measurement input, value | $ / Boe 44.91  
Level III | Energy | Discounted cash flow | Asset Management | Maximum | Weighted Average Cost of Capital    
Level III Assets    
Real assets, measurement input 0.125  
Level III | Energy | Discounted cash flow | Asset Management | Maximum | Average Price Per BOE    
Level III Assets    
Real assets, measurement input, value | $ / Boe 55.11  
Level III | Infrastructure | Asset Management    
Level III Assets    
Real assets, fair value $ 10,406,642,000  
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 0.854  
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 0.131  
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 10.7  
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 0.055  
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 10.7  
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 10.7  
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 14.5  
Level III | Infrastructure | Market comparables | Asset Management | Minimum | Enterprise Value/Forward EBITDA Multiple    
Level III Assets    
Real assets, measurement input 10.3  
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 0.077  
Level III | Infrastructure | Discounted cash flow | Asset Management | Weighted Average | Enterprise Value/LTM EBITDA Exit Multiple    
Level III Assets    
Real assets, measurement input 16.9  
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 10.0  
Level III | Infrastructure | Discounted cash flow | Asset Management | Maximum | Weighted Average Cost of Capital    
Level III Assets    
Real assets, measurement input 0.101  
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 $ 8,339,249,000  
Level III | Real Estate | Discounted cash flow | Asset Management | Weighted Average | Unlevered Discount Rate    
Level III Assets    
Real assets, measurement input 0.070  
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 0.712  
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 0.067  
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 0.221  
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 0.053  
Level III | Real Estate | Direct income capitalization | Asset Management | Minimum | Current Capitalization Rate    
Level III Assets    
Real assets, measurement input 0.020  
Level III | Real Estate | Direct income capitalization | Asset Management | Maximum | Current Capitalization Rate    
Level III Assets    
Real assets, measurement input 0.084  
Level III | AFS corporate securities | Insurance    
Level III Assets    
Securities, fair value $ 1,342,594,000  
Level III | AFS corporate securities | Discounted cash flow | Insurance | Weighted Average | Discount Spread    
Level III Assets    
Securities, measurement input 0.0375  
Level III | AFS corporate securities | Discounted cash flow | Insurance | Minimum | Discount Spread    
Level III Assets    
Securities, measurement input 0.0135  
Level III | AFS corporate securities | Discounted cash flow | Insurance | Maximum | Discount Spread    
Level III Assets    
Securities, measurement input 0.0593  
Level III | Structured securities | Insurance    
Level III Assets    
Securities, fair value $ 89,461,000  
Level III | Structured securities | Discounted cash flow | Insurance | Weighted Average | 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 0.0378  
Level III | Structured securities | Discounted cash flow | Insurance | Weighted Average | Constant Prepayment Rate    
Level III Assets    
Securities, measurement input 0.0690  
Level III | Structured securities | Discounted cash flow | Insurance | Weighted Average | Constant Default Rate    
Level III Assets    
Securities, measurement input 0.0118  
Level III | Structured securities | Discounted cash flow | Insurance | Minimum | Discount Spread    
Level III Assets    
Securities, measurement input 0.0330  
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 0.0663  
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