v3.25.4
Fair Value - Schedule of Valuation Techniques and Quantitative Inputs and Assumptions used for Financial Assets and Liabilities (Details)
$ in Millions
Dec. 31, 2025
USD ($)
Dec. 31, 2024
USD ($)
Asset Management    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments, at fair value $ 1,696 $ 1,384
Due from related parties 15 27
Derivative assets 7 69
Contingent consideration obligations 72 67
Asset Management | VIE, Primary Beneficiary    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments, at fair value 3,078 2,794
Asset Management | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments, at fair value 1,197 1,052
Due from related parties 15 27
Derivative assets 7 29
Contingent consideration obligations 72 67
Asset Management | Level 3 | VIE, Primary Beneficiary    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments, at fair value 2,939 2,258
Asset Management | Discounted cash flow | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Contingent consideration obligations 72 67
Asset Management | Discounted cash flow | Level 3 | Discount rate    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments, at fair value 850 765
Due from related parties $ 15 $ 27
Due from related parties, measurement input 0.148 0.140
Asset Management | Discounted cash flow | Level 3 | Discount rate | VIE, Primary Beneficiary    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Bank loans $ 357 $ 168
Equity securities 392 417
Asset Management | Discounted cash flow | Level 3 | Discount rate | VIE, Primary Beneficiary | Bonds    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments, at fair value   412
Asset Management | Direct capitalization | Level 3 | Capitalization rate    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments, at fair value $ 154 $ 128
Investments, measurement input 0.070 0.067
Asset Management | Adjusted transaction value | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments, at fair value $ 193 $ 159
Asset Management | Adjusted transaction value | Level 3 | Bonds    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments, at fair value   491
Asset Management | Adjusted transaction value | Level 3 | VIE, Primary Beneficiary    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Bank loans 740 179
Equity securities 1,014 69
Asset Management | Adjusted transaction value | Level 3 | VIE, Primary Beneficiary | Bonds    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments, at fair value 430  
Asset Management | Option model | Level 3 | VIE, Primary Beneficiary    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Equity securities 6 27
Asset Management | Option model | Level 3 | Volatility rate    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Derivative assets $ 7 $ 29
Derivative assets, measurement input 0.400 0.525
Asset Management | Dividend discount model | Level 3 | Discount rate | VIE, Primary Beneficiary    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Due from related parties, measurement input   0.141
Equity securities   $ 495
Asset Management | Minimum | Discounted cash flow | Level 3 | Discount rate    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments, measurement input 0.057 0.135
Contingent consideration obligations, measurement input 0.200 0.200
Asset Management | Minimum | Discounted cash flow | Level 3 | Discount rate | VIE, Primary Beneficiary    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Bank loans, measurement input 0.067 0.056
Equity securities, measurement input 0.100 0.083
Asset Management | Minimum | Discounted cash flow | Level 3 | Discount rate | VIE, Primary Beneficiary | Bonds    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments, measurement input   0.066
Asset Management | Minimum | Option model | Level 3 | Volatility rate | VIE, Primary Beneficiary    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Equity securities, measurement input 1.000 0.848
Asset Management | Maximum | Discounted cash flow | Level 3 | Discount rate    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments, measurement input 0.528 0.528
Contingent consideration obligations, measurement input 0.240 0.250
Asset Management | Maximum | Discounted cash flow | Level 3 | Discount rate | VIE, Primary Beneficiary    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Bank loans, measurement input 0.139 0.234
Equity securities, measurement input 0.135 0.133
Asset Management | Maximum | Discounted cash flow | Level 3 | Discount rate | VIE, Primary Beneficiary | Bonds    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments, measurement input   0.117
Asset Management | Maximum | Option model | Level 3 | Volatility rate | VIE, Primary Beneficiary    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Equity securities, measurement input 1.050 1.175
Asset Management | Weighted Average | Discounted cash flow | Level 3 | Discount rate    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments, measurement input 0.173 0.178
Due from related parties, measurement input 0.148 0.140
Contingent consideration obligations, measurement input 0.229 0.236
Asset Management | Weighted Average | Discounted cash flow | Level 3 | Discount rate | VIE, Primary Beneficiary    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Bank loans, measurement input 0.089 0.090
Equity securities, measurement input 0.128 0.133
Asset Management | Weighted Average | Discounted cash flow | Level 3 | Discount rate | VIE, Primary Beneficiary | Bonds    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments, measurement input   0.070
Asset Management | Weighted Average | Direct capitalization | Level 3 | Capitalization rate    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments, measurement input 0.070 0.067
Asset Management | Weighted Average | Option model | Level 3 | Volatility rate    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Derivative assets, measurement input 0.400 0.525
Asset Management | Weighted Average | Option model | Level 3 | Volatility rate | VIE, Primary Beneficiary    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Equity securities, measurement input 1.029 1.107
Asset Management | Weighted Average | Dividend discount model | Level 3 | Discount rate | VIE, Primary Beneficiary    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Due from related parties, measurement input   0.141
Retirement Services    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Derivative assets $ 9,190 $ 8,154
Equity securities 822 1,290
Embedded derivative 14,749 11,242
Retirement Services | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Derivative assets 2 1
Equity securities 8 27
Embedded derivative 14,749 11,242
Retirement Services | Discounted cash flow | Level 3 | Discount rate    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments, at fair value 1,313 1,909
AFS, trading and equity securities 31,915 28,655
Mortgage loans 95,524 67,115
Retirement Services | Discounted cash flow | Level 3 | Nonperformance risk    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Embedded derivative 14,749 $ 11,242
Retirement Services | Recoverability | Level 3 | Estimated proceeds    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments, at fair value 286  
Mortgage loans 20  
Retirement Services | Reported net asset value | Level 3 | Reported net asset value    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments, at fair value $ 5  
Retirement Services | Minimum | Discounted cash flow | Level 3 | Discount rate    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments, measurement input 0.130 0.066
AFS, trading and equity securities, measurement input 0.028 0.047
Mortgage loans, measurement input 0.010 0.018
Retirement Services | Minimum | Discounted cash flow | Level 3 | Nonperformance risk    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Embedded derivative, measurement input 0.004 0.004
Retirement Services | Minimum | Discounted cash flow | Level 3 | Option budget    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Embedded derivative, measurement input 0.005 0.005
Retirement Services | Minimum | Discounted cash flow | Level 3 | Surrender rate    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Embedded derivative, measurement input 0.060 0.060
Retirement Services | Maximum | Discounted cash flow | Level 3 | Discount rate    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments, measurement input 0.140 0.140
AFS, trading and equity securities, measurement input 0.229 0.200
Mortgage loans, measurement input 0.315 0.431
Retirement Services | Maximum | Discounted cash flow | Level 3 | Nonperformance risk    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Embedded derivative, measurement input 0.010 0.011
Retirement Services | Maximum | Discounted cash flow | Level 3 | Option budget    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Embedded derivative, measurement input 0.059 0.060
Retirement Services | Maximum | Discounted cash flow | Level 3 | Surrender rate    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Embedded derivative, measurement input 0.142 0.142
Retirement Services | Weighted Average | Discounted cash flow | Level 3 | Discount rate    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments, measurement input 0.131 0.108
AFS, trading and equity securities, measurement input 0.064 0.071
Mortgage loans, measurement input 0.065 0.067
Retirement Services | Weighted Average | Discounted cash flow | Level 3 | Nonperformance risk    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Embedded derivative, measurement input 0.006 0.007
Retirement Services | Weighted Average | Discounted cash flow | Level 3 | Option budget    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Embedded derivative, measurement input 0.031 0.028
Retirement Services | Weighted Average | Discounted cash flow | Level 3 | Surrender rate    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Embedded derivative, measurement input 0.096 0.090