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FAIR VALUE MEASUREMENTS - Valuation Methodologies and Significant Unobservable Inputs (Details)
 9 Months Ended
Sep. 30, 2024
USD ($)
$ / Boe
Dec. 31, 2023
USD ($)
Level III Liabilities    
Embedded derivative, fair value $ 5,800,000,000 $ 4,000,000,000.0
Insurance    
Level III Assets    
Reinsurance recoverable, fair value 46,386,313,000 $ 36,617,344,000
Level III | Asset Management and Strategic Holdings    
Level III Assets    
Private equity, fair value 32,978,665,000  
Credit, fair value 4,658,193,000  
Real assets, fair value 12,740,442,000  
Other investments, fair value 4,805,336,000  
Level III Liabilities    
Unfunded revolving commitments, fair value 103,926,000  
Level III | Asset Management and Strategic Holdings | Equity Method - Other | Investments    
Level III Assets    
Equity method - other, fair value $ 1,425,236,000  
Level III | Asset Management and Strategic Holdings | Weighted Average | Illiquidity Discount    
Level III Assets    
Equity method - other, measurement input 0.071  
Other investments, measurement input 0.088  
Level III | Asset Management and Strategic Holdings | Weighted Average | Weight Ascribed to Market Comparables    
Level III Assets    
Equity method - other, measurement input 0.479  
Other investments, measurement input 0.208  
Level III | Asset Management and Strategic Holdings | Weighted Average | Weight Ascribed to Discounted Cash Flow    
Level III Assets    
Equity method - other, measurement input 0.464  
Other investments, measurement input 0.439  
Level III | Asset Management and Strategic Holdings | Weighted Average | Weight Ascribed to Transaction Price    
Level III Assets    
Equity method - other, measurement input 0.057  
Other investments, measurement input 0.353  
Level III | Asset Management and Strategic Holdings | Weighted Average | Enterprise Value/LTM EBITDA Multiple    
Level III Assets    
Equity method - other, measurement input 17.6  
Other investments, measurement input 12.2  
Level III | Asset Management and Strategic Holdings | Weighted Average | Enterprise Value/Forward EBITDA Multiple    
Level III Assets    
Equity method - other, measurement input 14.6  
Other investments, measurement input 9.0  
Level III | Asset Management and Strategic Holdings | Weighted Average | Weighted Average Cost of Capital    
Level III Assets    
Equity method - other, measurement input 0.107  
Other investments, measurement input 0.123  
Level III | Asset Management and Strategic Holdings | Weighted Average | Enterprise Value/EBITDA Exit Multiple    
Level III Assets    
Equity method - other, measurement input 18.0  
Other investments, measurement input 13.0  
Level III | Asset Management and Strategic Holdings | Weighted Average | Yield    
Level III Assets    
Credit, measurement input 0.102  
Level III Liabilities    
Unfunded revolving commitments, measurement input 0.089  
Level III | Asset Management and Strategic Holdings | Weighted Average | Net Leverage    
Level III Assets    
Credit, measurement input 6.1  
Level III | Asset Management and Strategic Holdings | Weighted Average | EBITDA Multiple    
Level III Assets    
Credit, measurement input 12.8  
Level III | Asset Management and Strategic Holdings | Minimum | Illiquidity Discount    
Level III Assets    
Equity method - other, measurement input 0.050  
Other investments, measurement input 0.050  
Level III | Asset Management and Strategic Holdings | Minimum | Weight Ascribed to Market Comparables    
Level III Assets    
Equity method - other, measurement input 0.000  
Other investments, measurement input 0.000  
Level III | Asset Management and Strategic Holdings | 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 | Asset Management and Strategic Holdings | Minimum | Weight Ascribed to Transaction Price    
Level III Assets    
Equity method - other, measurement input 0.000  
Other investments, measurement input 0.000  
Level III | Asset Management and Strategic Holdings | Minimum | Enterprise Value/LTM EBITDA Multiple    
Level III Assets    
Equity method - other, measurement input 5.0  
Other investments, measurement input 0.7  
Level III | Asset Management and Strategic Holdings | Minimum | Enterprise Value/Forward EBITDA Multiple    
Level III Assets    
Equity method - other, measurement input 4.0  
Other investments, measurement input 13.3  
Level III | Asset Management and Strategic Holdings | Minimum | Weighted Average Cost of Capital    
Level III Assets    
Equity method - other, measurement input 0.070  
Other investments, measurement input 0.073  
Level III | Asset Management and Strategic Holdings | Minimum | Enterprise Value/EBITDA Exit Multiple    
Level III Assets    
Equity method - other, measurement input 9.5  
Other investments, measurement input 8.5  
Level III | Asset Management and Strategic Holdings | Minimum | Yield    
Level III Assets    
Credit, measurement input 0.052  
Level III Liabilities    
Unfunded revolving commitments, measurement input 0.080  
Level III | Asset Management and Strategic Holdings | Minimum | Net Leverage    
Level III Assets    
Credit, measurement input 1.3  
Level III | Asset Management and Strategic Holdings | Minimum | EBITDA Multiple    
Level III Assets    
Credit, measurement input 6.0  
Level III | Asset Management and Strategic Holdings | Maximum | Illiquidity Discount    
Level III Assets    
Equity method - other, measurement input 0.100  
Other investments, measurement input 0.150  
Level III | Asset Management and Strategic Holdings | Maximum | Weight Ascribed to Market Comparables    
Level III Assets    
Equity method - other, measurement input 1.000  
Other investments, measurement input 1.000  
Level III | Asset Management and Strategic Holdings | 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 | Asset Management and Strategic Holdings | Maximum | Weight Ascribed to Transaction Price    
Level III Assets    
Equity method - other, measurement input 1.000  
Other investments, measurement input 1.000  
Level III | Asset Management and Strategic Holdings | Maximum | Enterprise Value/LTM EBITDA Multiple    
Level III Assets    
Equity method - other, measurement input 32.3  
Other investments, measurement input 21.3  
Level III | Asset Management and Strategic Holdings | Maximum | Enterprise Value/Forward EBITDA Multiple    
Level III Assets    
Equity method - other, measurement input 26.5  
Other investments, measurement input 19.1  
Level III | Asset Management and Strategic Holdings | Maximum | Weighted Average Cost of Capital    
Level III Assets    
Equity method - other, measurement input 0.164  
Other investments, measurement input 0.200  
Level III | Asset Management and Strategic Holdings | Maximum | Enterprise Value/EBITDA Exit Multiple    
Level III Assets    
Equity method - other, measurement input 38.0  
Other investments, measurement input 15.0  
Level III | Asset Management and Strategic Holdings | Maximum | Yield    
Level III Assets    
Credit, measurement input 0.195  
Level III Liabilities    
Unfunded revolving commitments, measurement input 0.109  
Level III | Asset Management and Strategic Holdings | Maximum | Net Leverage    
Level III Assets    
Credit, measurement input 13.0  
Level III | Asset Management and Strategic Holdings | Maximum | EBITDA Multiple    
Level III Assets    
Credit, measurement input 30.5  
Level III | Insurance    
Level III Assets    
Other investments, fair value $ 8,105,824,000  
Reinsurance recoverable, fair value 955,341,000  
Level III Liabilities    
Policy liabilities, fair value 1,429,471,000  
Closed block policy liabilities, fair value $ 1,000,749,000  
Level III | Insurance | Expense Assumption    
Level III Assets    
Reinsurance recoverable, measurement input, expense per policy (in dollars per share) 0.025  
Level III Liabilities    
Closed block policy liabilities, measurement input 0.025  
Level III | Insurance | Instrument-specific credit risk | Valuation Technique, Market Risk Benefit, Instrument-Specific Credit Risk, 10 Year    
Level III Liabilities    
Policy liabilities, measurement input 0.006  
Level III | Insurance | Instrument-specific credit risk | Valuation Technique, Market Risk Benefit, Instrument-Specific Credit Risk, 30 Year    
Level III Liabilities    
Policy liabilities, measurement input 0.008  
Level III | Insurance | Interest Sensitive Life    
Level III Liabilities    
Embedded derivative, fair value $ 512,474,000  
Level III | Insurance | Fixed-Indexed Annuity    
Level III Liabilities    
Embedded derivative, fair value $ 5,244,375,000  
Level III | Insurance | Weighted Average | Vacancy Rate    
Level III Assets    
Other investments, measurement input 0.012  
Level III | Insurance | Weighted Average | Discount Rate    
Level III Assets    
Other investments, measurement input 0.074  
Level III | Insurance | Weighted Average | Terminal Capitalization Rate    
Level III Assets    
Other investments, measurement input 0.059  
Level III | Insurance | Weighted Average | Expense Assumption    
Level III Assets    
Reinsurance recoverable, measurement input, expense per policy (in dollars per share) 17.5  
Level III Liabilities    
Closed block liabilities, measurement input, value 17.5  
Level III | Insurance | Weighted Average | Instrument-specific credit risk    
Level III Liabilities    
Closed block policy liabilities, measurement input 0.7  
Level III | Insurance | Weighted Average | Expense Risk Margin    
Level III Assets    
Reinsurance recoverable, measurement input 0.094  
Level III Liabilities    
Closed block policy liabilities, measurement input 0.094  
Level III | 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 | Insurance | Weighted Average | Mortality Rate    
Level III Assets    
Reinsurance recoverable, measurement input 0.057  
Level III Liabilities    
Closed block policy liabilities, measurement input 0.057  
Level III | Insurance | Weighted Average | Mortality Rate | Policyholder behavior is also a significant unobservable input, including lapse, surrender and mortality.    
Level III Liabilities    
Policy liabilities, measurement input 0.048  
Level III | Insurance | Weighted Average | Mortality Rate | Valuation Technique, Market Risk Benefit, Policyholder Behavior    
Level III Liabilities    
Policy liabilities, measurement input 0.026  
Level III | Insurance | Weighted Average | Surrender Rate    
Level III Assets    
Reinsurance recoverable, measurement input 0.020  
Level III Liabilities    
Closed block policy liabilities, measurement input 0.020  
Level III | Insurance | Weighted Average | Surrender Rate | Policyholder behavior is also a significant unobservable input, including lapse, surrender and mortality.    
Level III Liabilities    
Policy liabilities, measurement input 0.063  
Level III | Insurance | Weighted Average | Surrender Rate | Valuation Technique, Market Risk Benefit, Policyholder Behavior    
Level III Liabilities    
Policy liabilities, measurement input 0.042  
Level III | Insurance | Weighted Average | Risk Margin Rate    
Level III Liabilities    
Policy liabilities, measurement input 0.006  
Level III | Insurance | Weighted Average | Interest Sensitive Life | Instrument-specific credit risk    
Level III Liabilities    
Embedded derivative, measurement input 0.7  
Level III | Insurance | Weighted Average | Interest Sensitive Life | Mortality Rate    
Level III Liabilities    
Embedded derivative, measurement input 0.008  
Level III | Insurance | Weighted Average | Interest Sensitive Life | Lapse Rate    
Level III Liabilities    
Embedded derivative, measurement input 0.032  
Level III | Insurance | Weighted Average | Interest Sensitive Life | Option Budget Assumption    
Level III Liabilities    
Embedded derivative, measurement input 0.036  
Level III | Insurance | Weighted Average | Fixed-Indexed Annuity | Utilization    
Level III Liabilities    
Embedded derivative, measurement input 0.965  
Level III | Insurance | Weighted Average | Institutional FIA | Mortality Rate    
Level III Liabilities    
Embedded derivative, measurement input 0.019  
Level III | Insurance | Weighted Average | Institutional FIA | Surrender Rate    
Level III Liabilities    
Embedded derivative, measurement input 0.180  
Level III | Insurance | Weighted Average | Institutional FIA | Option Budget Assumption    
Level III Liabilities    
Embedded derivative, measurement input 0.037  
Level III | Insurance | Weighted Average | Retail FIA | Mortality Rate    
Level III Liabilities    
Embedded derivative, measurement input 0.026  
Level III | Insurance | Weighted Average | Retail FIA | Surrender Rate    
Level III Liabilities    
Embedded derivative, measurement input 0.137  
Level III | Insurance | Weighted Average | Retail FIA | Option Budget Assumption    
Level III Liabilities    
Embedded derivative, measurement input 0.031  
Level III | Insurance | Weighted Average | Variable Annuities | Instrument-specific credit risk    
Level III Liabilities    
Embedded derivative, measurement input 0.007  
Level III | Insurance | Minimum | Vacancy Rate    
Level III Assets    
Other investments, measurement input 0.000  
Level III | Insurance | Minimum | Discount Rate    
Level III Assets    
Other investments, measurement input 0.068  
Level III | Insurance | Minimum | Terminal Capitalization Rate    
Level III Assets    
Other investments, measurement input 0.050  
Level III | Insurance | Minimum | Expense Assumption    
Level III Assets    
Reinsurance recoverable, measurement input, expense per policy (in dollars per share) 8.2  
Level III Liabilities    
Closed block policy liabilities, measurement input 8.2  
Level III | Insurance | Minimum | Instrument-specific credit risk    
Level III Liabilities    
Closed block policy liabilities, measurement input 0.005  
Level III | Insurance | Minimum | Cost of Capital    
Level III Assets    
Reinsurance recoverable, measurement input 0.037  
Level III Liabilities    
Closed block policy liabilities, measurement input 0.037  
Level III | Insurance | Minimum | Mortality Rate | Policyholder behavior is also a significant unobservable input, including lapse, surrender and mortality.    
Level III Liabilities    
Policy liabilities, measurement input 0.035  
Level III | Insurance | Minimum | Mortality Rate | Valuation Technique, Market Risk Benefit, Policyholder Behavior    
Level III Liabilities    
Policy liabilities, measurement input 0.005  
Level III | Insurance | Minimum | Surrender Rate | Policyholder behavior is also a significant unobservable input, including lapse, surrender and mortality.    
Level III Liabilities    
Policy liabilities, measurement input 0.035  
Level III | Insurance | Minimum | Surrender Rate | Valuation Technique, Market Risk Benefit, Policyholder Behavior    
Level III Liabilities    
Policy liabilities, measurement input 0.001  
Level III | Insurance | Minimum | Risk Margin Rate    
Level III Liabilities    
Policy liabilities, measurement input 0.005  
Level III | Insurance | Minimum | Interest Sensitive Life | Instrument-specific credit risk    
Level III Liabilities    
Embedded derivative, measurement input 0.005  
Level III | Insurance | Minimum | Variable Annuities | Instrument-specific credit risk    
Level III Liabilities    
Embedded derivative, measurement input 0.005  
Level III | Insurance | Maximum | Vacancy Rate    
Level III Assets    
Other investments, measurement input 0.027  
Level III | Insurance | Maximum | Discount Rate    
Level III Assets    
Other investments, measurement input 0.083  
Level III | Insurance | Maximum | Terminal Capitalization Rate    
Level III Assets    
Other investments, measurement input 0.073  
Level III | Insurance | Maximum | Expense Assumption    
Level III Assets    
Reinsurance recoverable, measurement input, expense per policy (in dollars per share) 78.0  
Level III Liabilities    
Closed block policy liabilities, measurement input 78.0  
Level III | Insurance | Maximum | Instrument-specific credit risk    
Level III Liabilities    
Closed block policy liabilities, measurement input 0.008  
Level III | Insurance | Maximum | Cost of Capital    
Level III Assets    
Reinsurance recoverable, measurement input 0.139  
Level III Liabilities    
Closed block policy liabilities, measurement input 0.139  
Level III | Insurance | Maximum | Mortality Rate | Policyholder behavior is also a significant unobservable input, including lapse, surrender and mortality.    
Level III Liabilities    
Policy liabilities, measurement input 0.091  
Level III | Insurance | Maximum | Mortality Rate | Valuation Technique, Market Risk Benefit, Policyholder Behavior    
Level III Liabilities    
Policy liabilities, measurement input 0.278  
Level III | Insurance | Maximum | Surrender Rate | Policyholder behavior is also a significant unobservable input, including lapse, surrender and mortality.    
Level III Liabilities    
Policy liabilities, measurement input 0.077  
Level III | Insurance | Maximum | Surrender Rate | Valuation Technique, Market Risk Benefit, Policyholder Behavior    
Level III Liabilities    
Policy liabilities, measurement input 0.371  
Level III | Insurance | Maximum | Risk Margin Rate    
Level III Liabilities    
Policy liabilities, measurement input 0.008  
Level III | Insurance | Maximum | Interest Sensitive Life | Instrument-specific credit risk    
Level III Liabilities    
Embedded derivative, measurement input 0.008  
Level III | Insurance | Maximum | Variable Annuities | Instrument-specific credit risk    
Level III Liabilities    
Embedded derivative, measurement input 0.008  
Level III | Private Equity | Asset Management and Strategic Holdings    
Level III Assets    
Private equity, fair value $ 30,403,822,000  
Level III | Private Equity | Asset Management and Strategic Holdings | Weighted Average | Illiquidity Discount    
Level III Assets    
Private equity, measurement input 0.060  
Level III | Private Equity | Asset Management and Strategic Holdings | Weighted Average | Weight Ascribed to Market Comparables    
Level III Assets    
Private equity, measurement input 0.278  
Level III | Private Equity | Asset Management and Strategic Holdings | Weighted Average | Weight Ascribed to Discounted Cash Flow    
Level III Assets    
Private equity, measurement input 0.684  
Level III | Private Equity | Asset Management and Strategic Holdings | Weighted Average | Weight Ascribed to Transaction Price    
Level III Assets    
Private equity, measurement input 0.038  
Level III | Private Equity | Asset Management and Strategic Holdings | Weighted Average | Enterprise Value/LTM EBITDA Multiple    
Level III Assets    
Private equity, measurement input 18.5  
Level III | Private Equity | Asset Management and Strategic Holdings | Weighted Average | Enterprise Value/Forward EBITDA Multiple    
Level III Assets    
Private equity, measurement input 16.8  
Level III | Private Equity | Asset Management and Strategic Holdings | Weighted Average | Weighted Average Cost of Capital    
Level III Assets    
Private equity, measurement input 0.091  
Level III | Private Equity | Asset Management and Strategic Holdings | Weighted Average | Enterprise Value/EBITDA Exit Multiple    
Level III Assets    
Private equity, measurement input 14.6  
Level III | Private Equity | Asset Management and Strategic Holdings | Minimum | Illiquidity Discount    
Level III Assets    
Private equity, measurement input 0.050  
Level III | Private Equity | Asset Management and Strategic Holdings | Minimum | Weight Ascribed to Market Comparables    
Level III Assets    
Private equity, measurement input 0.000  
Level III | Private Equity | Asset Management and Strategic Holdings | Minimum | Weight Ascribed to Discounted Cash Flow    
Level III Assets    
Private equity, measurement input 0.000  
Level III | Private Equity | Asset Management and Strategic Holdings | Minimum | Weight Ascribed to Transaction Price    
Level III Assets    
Private equity, measurement input 0.000  
Level III | Private Equity | Asset Management and Strategic Holdings | Minimum | Enterprise Value/LTM EBITDA Multiple    
Level III Assets    
Private equity, measurement input 5.9  
Level III | Private Equity | Asset Management and Strategic Holdings | Minimum | Enterprise Value/Forward EBITDA Multiple    
Level III Assets    
Private equity, measurement input 4.5  
Level III | Private Equity | Asset Management and Strategic Holdings | Minimum | Weighted Average Cost of Capital    
Level III Assets    
Private equity, measurement input 0.061  
Level III | Private Equity | Asset Management and Strategic Holdings | Minimum | Enterprise Value/EBITDA Exit Multiple    
Level III Assets    
Private equity, measurement input 6.0  
Level III | Private Equity | Asset Management and Strategic Holdings | Maximum | Illiquidity Discount    
Level III Assets    
Private equity, measurement input 0.150  
Level III | Private Equity | Asset Management and Strategic Holdings | Maximum | Weight Ascribed to Market Comparables    
Level III Assets    
Private equity, measurement input 1.000  
Level III | Private Equity | Asset Management and Strategic Holdings | Maximum | Weight Ascribed to Discounted Cash Flow    
Level III Assets    
Private equity, measurement input 1.000  
Level III | Private Equity | Asset Management and Strategic Holdings | Maximum | Weight Ascribed to Transaction Price    
Level III Assets    
Private equity, measurement input 1.000  
Level III | Private Equity | Asset Management and Strategic Holdings | Maximum | Enterprise Value/LTM EBITDA Multiple    
Level III Assets    
Private equity, measurement input 29.8  
Level III | Private Equity | Asset Management and Strategic Holdings | Maximum | Enterprise Value/Forward EBITDA Multiple    
Level III Assets    
Private equity, measurement input 29.7  
Level III | Private Equity | Asset Management and Strategic Holdings | Maximum | Weighted Average Cost of Capital    
Level III Assets    
Private equity, measurement input 0.143  
Level III | Private Equity | Asset Management and Strategic Holdings | Maximum | Enterprise Value/EBITDA Exit Multiple    
Level III Assets    
Private equity, measurement input 27.6  
Level III | Growth Equity | Asset Management and Strategic Holdings    
Level III Assets    
Growth equity, fair value disclosure $ 2,574,843,000  
Level III | Growth Equity | Asset Management and Strategic Holdings | Weighted Average | Illiquidity Discount    
Level III Assets    
Growth equity, measurement input 0.101  
Level III | Growth Equity | Asset Management and Strategic Holdings | Weighted Average | Weight Ascribed to Market Comparables    
Level III Assets    
Growth equity, measurement input 0.346  
Level III | Growth Equity | Asset Management and Strategic Holdings | Weighted Average | Weight Ascribed to Discounted Cash Flow    
Level III Assets    
Growth equity, measurement input 0.032  
Level III | Growth Equity | Asset Management and Strategic Holdings | Weighted Average | Weight Ascribed to Transaction Price    
Level III Assets    
Growth equity, measurement input 0.139  
Level III | Growth Equity | Asset Management and Strategic Holdings | Weighted Average | Weight Ascribed to Milestones    
Level III Assets    
Growth equity, measurement input 0.483  
Level III | Growth Equity | Asset Management and Strategic Holdings | Weighted Average | Base    
Level III Assets    
Growth equity, measurement input 0.753  
Level III | Growth Equity | Asset Management and Strategic Holdings | Weighted Average | Downside    
Level III Assets    
Growth equity, measurement input 0.122  
Level III | Growth Equity | Asset Management and Strategic Holdings | Weighted Average | Upside    
Level III Assets    
Growth equity, measurement input 0.125  
Level III | Growth Equity | Asset Management and Strategic Holdings | Weighted Average | Enterprise Value/Revenues Multiple    
Level III Assets    
Growth equity, measurement input 8.8  
Level III | Growth Equity | Asset Management and Strategic Holdings | Minimum | Illiquidity Discount    
Level III Assets    
Growth equity, measurement input 0.100  
Level III | Growth Equity | Asset Management and Strategic Holdings | Minimum | Weight Ascribed to Market Comparables    
Level III Assets    
Growth equity, measurement input 0.000  
Level III | Growth Equity | Asset Management and Strategic Holdings | Minimum | Weight Ascribed to Discounted Cash Flow    
Level III Assets    
Growth equity, measurement input 0.000  
Level III | Growth Equity | Asset Management and Strategic Holdings | Minimum | Weight Ascribed to Transaction Price    
Level III Assets    
Growth equity, measurement input 0.000  
Level III | Growth Equity | Asset Management and Strategic Holdings | Minimum | Weight Ascribed to Milestones    
Level III Assets    
Growth equity, measurement input 0.000  
Level III | Growth Equity | Asset Management and Strategic Holdings | Minimum | Base    
Level III Assets    
Growth equity, measurement input 0.500  
Level III | Growth Equity | Asset Management and Strategic Holdings | Minimum | Downside    
Level III Assets    
Growth equity, measurement input 0.050  
Level III | Growth Equity | Asset Management and Strategic Holdings | Minimum | Upside    
Level III Assets    
Growth equity, measurement input 0.100  
Level III | Growth Equity | Asset Management and Strategic Holdings | Minimum | Enterprise Value/Revenues Multiple    
Level III Assets    
Growth equity, measurement input 3.0  
Level III | Growth Equity | Asset Management and Strategic Holdings | Maximum | Illiquidity Discount    
Level III Assets    
Growth equity, measurement input 0.150  
Level III | Growth Equity | Asset Management and Strategic Holdings | Maximum | Weight Ascribed to Market Comparables    
Level III Assets    
Growth equity, measurement input 1.000  
Level III | Growth Equity | Asset Management and Strategic Holdings | Maximum | Weight Ascribed to Discounted Cash Flow    
Level III Assets    
Growth equity, measurement input 0.500  
Level III | Growth Equity | Asset Management and Strategic Holdings | Maximum | Weight Ascribed to Transaction Price    
Level III Assets    
Growth equity, measurement input 1.000  
Level III | Growth Equity | Asset Management and Strategic Holdings | Maximum | Weight Ascribed to Milestones    
Level III Assets    
Growth equity, measurement input 1.000  
Level III | Growth Equity | Asset Management and Strategic Holdings | Maximum | Base    
Level III Assets    
Growth equity, measurement input 0.850  
Level III | Growth Equity | Asset Management and Strategic Holdings | Maximum | Downside    
Level III Assets    
Growth equity, measurement input 0.250  
Level III | Growth Equity | Asset Management and Strategic Holdings | Maximum | Upside    
Level III Assets    
Growth equity, measurement input 0.250  
Level III | Growth Equity | Asset Management and Strategic Holdings | Maximum | Enterprise Value/Revenues Multiple    
Level III Assets    
Growth equity, measurement input 24.4  
Level III | Energy | Liquids    
Level III Assets    
Revenue ratio of liquids 87.00%  
Level III | Energy | Natural Gas    
Level III Assets    
Revenue ratio of natural gas 13.00%  
Level III | Energy | Asset Management and Strategic Holdings    
Level III Assets    
Real assets, fair value $ 1,544,535,000  
Level III | Energy | Asset Management and Strategic Holdings | Weighted Average | Weight Ascribed to Market Comparables    
Level III Assets    
Real assets, measurement input 0.448  
Level III | Energy | Asset Management and Strategic Holdings | Weighted Average | Weight Ascribed to Discounted Cash Flow    
Level III Assets    
Real assets, measurement input 0.552  
Level III | Energy | Asset Management and Strategic Holdings | Weighted Average | Enterprise Value/LTM EBITDA Multiple    
Level III Assets    
Real assets, measurement input 3.4  
Level III | Energy | Asset Management and Strategic Holdings | Weighted Average | Enterprise Value/Forward EBITDA Multiple    
Level III Assets    
Real assets, measurement input 6.2  
Level III | Energy | Asset Management and Strategic Holdings | Weighted Average | Weighted Average Cost of Capital    
Level III Assets    
Real assets, measurement input 0.121  
Level III | Energy | Asset Management and Strategic Holdings | Weighted Average | Average Price Per BOE    
Level III Assets    
Real assets, measurement input, value | $ / Boe 45.88  
Level III | Energy | Asset Management and Strategic Holdings | Minimum | Weight Ascribed to Market Comparables    
Level III Assets    
Real assets, measurement input 0.000  
Level III | Energy | Asset Management and Strategic Holdings | Minimum | Weight Ascribed to Discounted Cash Flow    
Level III Assets    
Real assets, measurement input 0.500  
Level III | Energy | Asset Management and Strategic Holdings | Minimum | Enterprise Value/LTM EBITDA Multiple    
Level III Assets    
Real assets, measurement input 0.0  
Level III | Energy | Asset Management and Strategic Holdings | Minimum | Enterprise Value/Forward EBITDA Multiple    
Level III Assets    
Real assets, measurement input 0.0  
Level III | Energy | Asset Management and Strategic Holdings | Minimum | Weighted Average Cost of Capital    
Level III Assets    
Real assets, measurement input 0.120  
Level III | Energy | Asset Management and Strategic Holdings | Minimum | Average Price Per BOE    
Level III Assets    
Real assets, measurement input, value | $ / Boe 42.21  
Level III | Energy | Asset Management and Strategic Holdings | Maximum | Weight Ascribed to Market Comparables    
Level III Assets    
Real assets, measurement input 0.500  
Level III | Energy | Asset Management and Strategic Holdings | Maximum | Weight Ascribed to Discounted Cash Flow    
Level III Assets    
Real assets, measurement input 1.000  
Level III | Energy | Asset Management and Strategic Holdings | Maximum | Enterprise Value/LTM EBITDA Multiple    
Level III Assets    
Real assets, measurement input 5.0  
Level III | Energy | Asset Management and Strategic Holdings | Maximum | Enterprise Value/Forward EBITDA Multiple    
Level III Assets    
Real assets, measurement input 7.8  
Level III | Energy | Asset Management and Strategic Holdings | Maximum | Weighted Average Cost of Capital    
Level III Assets    
Real assets, measurement input 0.123  
Level III | Energy | Asset Management and Strategic Holdings | Maximum | Average Price Per BOE    
Level III Assets    
Real assets, measurement input, value | $ / Boe 50.35  
Level III | Infrastructure | Asset Management and Strategic Holdings    
Level III Assets    
Real assets, fair value $ 994,481,000  
Level III | Infrastructure | Asset Management and Strategic Holdings | Weighted Average | Illiquidity Discount    
Level III Assets    
Real assets, measurement input 0.065  
Level III | Infrastructure | Asset Management and Strategic Holdings | Weighted Average | Weight Ascribed to Market Comparables    
Level III Assets    
Real assets, measurement input 0.107  
Level III | Infrastructure | Asset Management and Strategic Holdings | Weighted Average | Weight Ascribed to Discounted Cash Flow    
Level III Assets    
Real assets, measurement input 0.893  
Level III | Infrastructure | Asset Management and Strategic Holdings | Weighted Average | Weight Ascribed to Transaction Price    
Level III Assets    
Real assets, measurement input 0.000  
Level III | Infrastructure | Asset Management and Strategic Holdings | Weighted Average | Enterprise Value/LTM EBITDA Multiple    
Level III Assets    
Real assets, measurement input 11.8  
Level III | Infrastructure | Asset Management and Strategic Holdings | Weighted Average | Enterprise Value/Forward EBITDA Multiple    
Level III Assets    
Real assets, measurement input 19.1  
Level III | Infrastructure | Asset Management and Strategic Holdings | Weighted Average | Weighted Average Cost of Capital    
Level III Assets    
Real assets, measurement input 0.068  
Level III | Infrastructure | Asset Management and Strategic Holdings | Weighted Average | Enterprise Value/EBITDA Exit Multiple    
Level III Assets    
Real assets, measurement input 15.8  
Level III | Infrastructure | Asset Management and Strategic Holdings | Minimum | Illiquidity Discount    
Level III Assets    
Real assets, measurement input 0.050  
Level III | Infrastructure | Asset Management and Strategic Holdings | Minimum | Weight Ascribed to Market Comparables    
Level III Assets    
Real assets, measurement input 0.000  
Level III | Infrastructure | Asset Management and Strategic Holdings | Minimum | Weight Ascribed to Discounted Cash Flow    
Level III Assets    
Real assets, measurement input 0.750  
Level III | Infrastructure | Asset Management and Strategic Holdings | Minimum | Weight Ascribed to Transaction Price    
Level III Assets    
Real assets, measurement input 0.000  
Level III | Infrastructure | Asset Management and Strategic Holdings | Minimum | Enterprise Value/LTM EBITDA Multiple    
Level III Assets    
Real assets, measurement input 11.8  
Level III | Infrastructure | Asset Management and Strategic Holdings | Minimum | Enterprise Value/Forward EBITDA Multiple    
Level III Assets    
Real assets, measurement input 11.0  
Level III | Infrastructure | Asset Management and Strategic Holdings | Minimum | Weighted Average Cost of Capital    
Level III Assets    
Real assets, measurement input 0.055  
Level III | Infrastructure | Asset Management and Strategic Holdings | Minimum | Enterprise Value/EBITDA Exit Multiple    
Level III Assets    
Real assets, measurement input 10.0  
Level III | Infrastructure | Asset Management and Strategic Holdings | Maximum | Illiquidity Discount    
Level III Assets    
Real assets, measurement input 0.100  
Level III | Infrastructure | Asset Management and Strategic Holdings | Maximum | Weight Ascribed to Market Comparables    
Level III Assets    
Real assets, measurement input 0.250  
Level III | Infrastructure | Asset Management and Strategic Holdings | Maximum | Weight Ascribed to Discounted Cash Flow    
Level III Assets    
Real assets, measurement input 1.000  
Level III | Infrastructure | Asset Management and Strategic Holdings | Maximum | Weight Ascribed to Transaction Price    
Level III Assets    
Real assets, measurement input 0.000  
Level III | Infrastructure | Asset Management and Strategic Holdings | Maximum | Enterprise Value/LTM EBITDA Multiple    
Level III Assets    
Real assets, measurement input 11.8  
Level III | Infrastructure | Asset Management and Strategic Holdings | Maximum | Enterprise Value/Forward EBITDA Multiple    
Level III Assets    
Real assets, measurement input 22.4  
Level III | Infrastructure | Asset Management and Strategic Holdings | Maximum | Weighted Average Cost of Capital    
Level III Assets    
Real assets, measurement input 0.089  
Level III | Infrastructure | Asset Management and Strategic Holdings | Maximum | Enterprise Value/EBITDA Exit Multiple    
Level III Assets    
Real assets, measurement input 22.0  
Level III | Real Estate | Asset Management and Strategic Holdings    
Level III Assets    
Real assets, fair value $ 10,201,426,000  
Level III | Real Estate | Asset Management and Strategic Holdings | Weighted Average | Weight Ascribed to Discounted Cash Flow    
Level III Assets    
Real assets, measurement input 0.841  
Level III | Real Estate | Asset Management and Strategic Holdings | Weighted Average | Weight Ascribed to Transaction Price    
Level III Assets    
Real assets, measurement input 0.051  
Level III | Real Estate | Asset Management and Strategic Holdings | Weighted Average | Weight Ascribed to Direct Income Capitalization    
Level III Assets    
Real assets, measurement input 0.108  
Level III | Real Estate | Asset Management and Strategic Holdings | Weighted Average | Current Capitalization Rate    
Level III Assets    
Real assets, measurement input 0.053  
Level III | Real Estate | Asset Management and Strategic Holdings | Weighted Average | Exit Capitalization Rate    
Level III Assets    
Real assets, measurement input 0.057  
Level III | Real Estate | Asset Management and Strategic Holdings | Weighted Average | Unlevered Discount Rate    
Level III Assets    
Real assets, measurement input 0.073  
Level III | Real Estate | Asset Management and Strategic Holdings | Minimum | Weight Ascribed to Discounted Cash Flow    
Level III Assets    
Real assets, measurement input 0.000  
Level III | Real Estate | Asset Management and Strategic Holdings | Minimum | Weight Ascribed to Transaction Price    
Level III Assets    
Real assets, measurement input 0.000  
Level III | Real Estate | Asset Management and Strategic Holdings | Minimum | Weight Ascribed to Direct Income Capitalization    
Level III Assets    
Real assets, measurement input 0.000  
Level III | Real Estate | Asset Management and Strategic Holdings | Minimum | Current Capitalization Rate    
Level III Assets    
Real assets, measurement input 0.018  
Level III | Real Estate | Asset Management and Strategic Holdings | Minimum | Exit Capitalization Rate    
Level III Assets    
Real assets, measurement input 0.031  
Level III | Real Estate | Asset Management and Strategic Holdings | Minimum | Unlevered Discount Rate    
Level III Assets    
Real assets, measurement input 0.028  
Level III | Real Estate | Asset Management and Strategic Holdings | Maximum | Weight Ascribed to Discounted Cash Flow    
Level III Assets    
Real assets, measurement input 1.000  
Level III | Real Estate | Asset Management and Strategic Holdings | Maximum | Weight Ascribed to Transaction Price    
Level III Assets    
Real assets, measurement input 1.000  
Level III | Real Estate | Asset Management and Strategic Holdings | Maximum | Weight Ascribed to Direct Income Capitalization    
Level III Assets    
Real assets, measurement input 1.000  
Level III | Real Estate | Asset Management and Strategic Holdings | Maximum | Current Capitalization Rate    
Level III Assets    
Real assets, measurement input 0.076  
Level III | Real Estate | Asset Management and Strategic Holdings | Maximum | Exit Capitalization Rate    
Level III Assets    
Real assets, measurement input 0.089  
Level III | Real Estate | Asset Management and Strategic Holdings | Maximum | Unlevered Discount Rate    
Level III Assets    
Real assets, measurement input 0.250  
Level III | AFS Corporate Securities | Insurance    
Level III Assets    
Securities, fair value $ 10,004,068,000  
Level III | AFS Corporate Securities | Insurance | Weighted Average | Discount Spread    
Level III Assets    
Securities, measurement input 0.025  
Level III | AFS Corporate Securities | Insurance | Minimum | Discount Spread    
Level III Assets    
Securities, measurement input 0.004  
Level III | AFS Corporate Securities | Insurance | Maximum | Discount Spread    
Level III Assets    
Securities, measurement input 0.051  
Level III | Structured Securities | Insurance    
Level III Assets    
Securities, fair value $ 2,830,057,000  
Level III | Structured Securities | Insurance | Weighted Average | Discount Spread    
Level III Assets    
Securities, measurement input 0.028  
Level III | Structured Securities | Insurance | Weighted Average | Constant Prepayment Rate    
Level III Assets    
Securities, measurement input 0.120  
Level III | Structured Securities | Insurance | Weighted Average | Constant Default Rate    
Level III Assets    
Securities, measurement input 0.004  
Level III | Structured Securities | Insurance | Weighted Average | Loss Severity    
Level III Assets    
Securities, measurement input 0.093  
Level III | Structured Securities | Insurance | Minimum | Discount Spread    
Level III Assets    
Securities, measurement input 0.015  
Level III | Structured Securities | Insurance | Minimum | Constant Prepayment Rate    
Level III Assets    
Securities, measurement input 0.100  
Level III | Structured Securities | Insurance | Minimum | Constant Default Rate    
Level III Assets    
Securities, measurement input 0.000  
Level III | Structured Securities | Insurance | Minimum | Loss Severity    
Level III Assets    
Securities, measurement input 0.000  
Level III | Structured Securities | Insurance | Maximum | Discount Spread    
Level III Assets    
Securities, measurement input 0.051  
Level III | Structured Securities | Insurance | Maximum | Constant Prepayment Rate    
Level III Assets    
Securities, measurement input 0.150  
Level III | Structured Securities | Insurance | Maximum | Constant Default Rate    
Level III Assets    
Securities, measurement input 0.030  
Level III | Structured Securities | Insurance | Maximum | Loss Severity    
Level III Assets    
Securities, measurement input 0.950