v3.26.1
Fair Value - Schedule of Valuation Techniques and Quantitative Inputs and Assumptions used for Financial Assets and Liabilities (Details)
$ in Millions
Jun. 30, 2026
USD ($)
Dec. 31, 2025
USD ($)
Asset Management    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments, at fair value $ 2,173 $ 1,696
Due from related parties   15
Derivative assets 56 7
Contingent consideration obligations 56 72
Due to related parties 54  
Asset Management | VIE, Primary Beneficiary    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments, at fair value 3,359 3,078
Retirement Services    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Derivative assets 11,034 9,190
Equity securities 697 822
Embedded derivative 16,384 14,749
Level 3 | Asset Management    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments, at fair value 1,538 1,197
Due from related parties   15
Derivative assets 1 7
Contingent consideration obligations 56 72
Due to related parties 54  
Level 3 | Asset Management | VIE, Primary Beneficiary    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments, at fair value 2,766 2,939
Level 3 | Asset Management | Discounted cash flow    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Contingent consideration obligations   72
Level 3 | Asset Management | Option model | VIE, Primary Beneficiary    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Equity securities   6
Level 3 | Asset Management | Adjusted transaction value    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments, at fair value 285 193
Level 3 | Asset Management | Adjusted transaction value | Bonds    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments, at fair value   430
Level 3 | Asset Management | Adjusted transaction value | VIE, Primary Beneficiary    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Bank loans 175 740
Equity securities 71 1,014
Bank Loans 2  
Level 3 | Asset Management | Adjusted transaction value | VIE, Primary Beneficiary | Bonds    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments, at fair value 1,680  
Level 3 | Retirement Services    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Derivative assets 3 2
Equity securities 7 8
Embedded derivative 16,384 14,749
Level 3 | Retirement Services | Reported net asset value    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments, at fair value   5
Level 3 | Discount rate | Asset Management | Discounted cash flow    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments, at fair value 1,203 850
Due from related parties   $ 15
Due from related parties, measurement input   0.148
Contingent consideration obligations 56  
Level 3 | Discount rate | Asset Management | Discounted cash flow | VIE, Primary Beneficiary    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Bank loans 312 $ 357
Equity securities 343 $ 392
Bank Loans 5  
Level 3 | Discount rate | Asset Management | Discounted cash flow | VIE, Primary Beneficiary | Bonds    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments, at fair value $ 37  
Level 3 | Discount rate | Asset Management | Discounted cash flow | Minimum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments, measurement input 0.060 0.057
Contingent consideration obligations, measurement input 0.210 0.200
Level 3 | Discount rate | Asset Management | Discounted cash flow | Minimum | VIE, Primary Beneficiary    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Bank loans, measurement input 0.074 0.067
Equity securities, measurement input 0.142 0.100
Bank loans liabilities, measurement input 0.086  
Level 3 | Discount rate | Asset Management | Discounted cash flow | Minimum | VIE, Primary Beneficiary | Bonds    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments, measurement input 0.066  
Level 3 | Discount rate | Asset Management | Discounted cash flow | Maximum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments, measurement input 0.528 0.528
Contingent consideration obligations, measurement input 0.250 0.240
Level 3 | Discount rate | Asset Management | Discounted cash flow | Maximum | VIE, Primary Beneficiary    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Bank loans, measurement input 0.133 0.139
Equity securities, measurement input   0.135
Bank loans liabilities, measurement input 0.130  
Level 3 | Discount rate | Asset Management | Discounted cash flow | Maximum | VIE, Primary Beneficiary | Bonds    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments, measurement input 0.080  
Level 3 | Discount rate | Asset Management | Discounted cash flow | Weighted Average    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments, measurement input 0.166 0.173
Due from related parties, measurement input   0.148
Contingent consideration obligations, measurement input 0.240 0.229
Level 3 | Discount rate | Asset Management | Discounted cash flow | Weighted Average | VIE, Primary Beneficiary    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Bank loans, measurement input 0.093 0.089
Equity securities, measurement input 0.142 0.128
Bank loans liabilities, measurement input 0.106  
Level 3 | Discount rate | Asset Management | Discounted cash flow | Weighted Average | VIE, Primary Beneficiary | Bonds    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments, measurement input 0.066  
Level 3 | Discount rate | Asset Management | Adjusted transaction value    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Due to related parties $ 54  
Level 3 | Discount rate | Retirement Services | Discounted cash flow    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments, at fair value 2,311 $ 1,313
AFS, trading and equity securities 37,037 31,915
Mortgage loans $ 103,581 $ 95,524
Level 3 | Discount rate | Retirement Services | Discounted cash flow | Minimum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments, measurement input 0.140 0.130
AFS, trading and equity securities, measurement input 0.032 0.028
Mortgage loans, measurement input 0.014 0.010
Level 3 | Discount rate | Retirement Services | Discounted cash flow | Maximum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments, measurement input 0.140 0.140
AFS, trading and equity securities, measurement input 0.235 0.229
Mortgage loans, measurement input 0.350 0.315
Level 3 | Discount rate | Retirement Services | Discounted cash flow | Weighted Average    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments, measurement input 0.140 0.131
AFS, trading and equity securities, measurement input 0.067 0.064
Mortgage loans, measurement input 0.068 0.065
Level 3 | Volatility rate | Asset Management | Option model    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments, at fair value $ 50  
Investments, measurement input 0.600  
Derivative assets $ 1 $ 7
Derivative assets, measurement input 0.400 0.400
Level 3 | Volatility rate | Asset Management | Option model | VIE, Primary Beneficiary    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Equity securities $ 1  
Level 3 | Volatility rate | Asset Management | Option model | Minimum | VIE, Primary Beneficiary    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Equity securities, measurement input 0.750 1.000
Level 3 | Volatility rate | Asset Management | Option model | Maximum | VIE, Primary Beneficiary    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Equity securities, measurement input 2.000 1.050
Level 3 | Volatility rate | Asset Management | Option model | Weighted Average    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments, measurement input 0.600  
Derivative assets, measurement input 0.400 0.400
Level 3 | Volatility rate | Asset Management | Option model | Weighted Average | VIE, Primary Beneficiary    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Equity securities, measurement input 1.312 1.029
Level 3 | Capitalization rate | Asset Management | Direct capitalization    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments, at fair value   $ 154
Investments, measurement input   0.070
Level 3 | Capitalization rate | Asset Management | Direct capitalization | VIE, Primary Beneficiary    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Equity securities $ 147  
Level 3 | Capitalization rate | Asset Management | Direct capitalization | Minimum | VIE, Primary Beneficiary    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Equity securities, measurement input 0.072  
Level 3 | Capitalization rate | Asset Management | Direct capitalization | Weighted Average    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments, measurement input   0.070
Level 3 | Capitalization rate | Asset Management | Direct capitalization | Weighted Average | VIE, Primary Beneficiary    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Equity securities, measurement input 0.072  
Level 3 | Estimated proceeds | Retirement Services | Recoverability    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Investments, at fair value $ 290 $ 286
Mortgage loans   20
Level 3 | Nonperformance risk | Retirement Services | Discounted cash flow    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Embedded derivative $ 16,384 $ 14,749
Level 3 | Nonperformance risk | Retirement Services | Discounted cash flow | Minimum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Embedded derivative, measurement input 0.003 0.004
Level 3 | Nonperformance risk | Retirement Services | Discounted cash flow | Maximum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Embedded derivative, measurement input 0.011 0.010
Level 3 | Nonperformance risk | Retirement Services | Discounted cash flow | Weighted Average    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Embedded derivative, measurement input 0.007 0.006
Level 3 | Option budget | Retirement Services | Discounted cash flow | Minimum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Embedded derivative, measurement input 0.005 0.005
Level 3 | Option budget | Retirement Services | Discounted cash flow | Maximum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Embedded derivative, measurement input 0.059 0.059
Level 3 | Option budget | Retirement Services | Discounted cash flow | Weighted Average    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Embedded derivative, measurement input 0.033 0.031
Level 3 | Surrender rate | Retirement Services | Discounted cash flow | Minimum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Embedded derivative, measurement input 0.063 0.060
Level 3 | Surrender rate | Retirement Services | Discounted cash flow | Maximum    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Embedded derivative, measurement input 0.134 0.142
Level 3 | Surrender rate | Retirement Services | Discounted cash flow | Weighted Average    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Embedded derivative, measurement input 0.098 0.096