v3.26.1
FAIR VALUE DISCLOSURES - Quantitative Information about Level 3 (Details)
$ in Millions
3 Months Ended
Mar. 31, 2026
USD ($)
Dec. 31, 2025
USD ($)
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Liability for market risk benefits $ 9,825 $ 10,153
Market Risk Benefit, Asset, Amount 675 752
Level 3 | Discounted cash flow | Alliance Bernstein    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
AB Contingent consideration payable $ 9 $ 9
Level 3 | Discounted cash flow | Discount Rate | Minimum | Alliance Bernstein    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Expected revenue growth and discount rate 0.019 0.019
Level 3 | Discounted cash flow | Discount Rate | Maximum | Alliance Bernstein    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Expected revenue growth and discount rate 0.019 0.019
Level 3 | Discounted cash flow | Discount Rate | Weighted Average | Alliance Bernstein    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Expected revenue growth and discount rate 0.019 0.019
Level 3 | Discounted cash flow | Expected Revenue Growth Rate | Minimum | Alliance Bernstein    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Expected revenue growth and discount rate 0.020 0.020
Level 3 | Discounted cash flow | Expected Revenue Growth Rate | Maximum | Alliance Bernstein    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Expected revenue growth and discount rate 0.080 0.133
Level 3 | Discounted cash flow | Expected Revenue Growth Rate | Weighted Average | Alliance Bernstein    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Expected revenue growth and discount rate 0.049 0.068
Level 3 | Corporate | Market comparable  companies    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Fair value of fixed maturities AFS $ 1,203 $ 1,189
Level 3 | Corporate | Market comparable  companies | EBITDA Multiples | Minimum    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Percentage measurement input of equity securities 4.4 4.8
Level 3 | Corporate | Market comparable  companies | EBITDA Multiples | Maximum    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Percentage measurement input of equity securities 26.3 34.0
Level 3 | Corporate | Market comparable  companies | EBITDA Multiples | Weighted Average    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Percentage measurement input of equity securities 12.7 13.8
Level 3 | Corporate | Market comparable  companies | Discount Rate | Minimum    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Percentage measurement input of equity securities 0.078 0.073
Level 3 | Corporate | Market comparable  companies | Discount Rate | Maximum    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Percentage measurement input of equity securities 0.442 0.213
Level 3 | Corporate | Market comparable  companies | Discount Rate | Weighted Average    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Percentage measurement input of equity securities 0.040 0.034
Level 3 | Corporate | Market comparable  companies | Cash Flow Multiples | Minimum    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Percentage measurement input of equity securities 0.9 0.6
Level 3 | Corporate | Market comparable  companies | Cash Flow Multiples | Maximum    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Percentage measurement input of equity securities 25.7 29.5
Level 3 | Corporate | Market comparable  companies | Cash Flow Multiples | Weighted Average    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Percentage measurement input of equity securities 6.3 15.0
Level 3 | Corporate | Market comparable  companies | Loan to Value | Minimum    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Percentage measurement input of equity securities 0.099 0.021
Level 3 | Corporate | Market comparable  companies | Loan to Value | Maximum    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Percentage measurement input of equity securities 0.519 0.800
Level 3 | Corporate | Market comparable  companies | Loan to Value | Weighted Average    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Percentage measurement input of equity securities 0.193 0.103
Level 3 | Other equity investments | Discounted cash flow    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Fair value of fixed maturities AFS $ 1 $ 3
Level 3 | Other equity investments | Discounted cash flow | Minimum    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Percentage measurement input of equity securities   6.9
Level 3 | Other equity investments | Discounted cash flow | Maximum    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Percentage measurement input of equity securities   9.4
Level 3 | Other equity investments | Discounted cash flow | Earnings/Revenue Multiple | Minimum    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Percentage measurement input of equity securities 4.4  
Level 3 | Other equity investments | Discounted cash flow | Earnings/Revenue Multiple | Maximum    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Percentage measurement input of equity securities 8.7  
Level 3 | Other equity investments | Discounted cash flow | Earnings/Revenue Multiple | Weighted Average    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Percentage measurement input of equity securities 6.8 6.9
Level 3 | Trading Securities, at Fair Value | Market comparable  companies    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Fair value of fixed maturities AFS $ 238 $ 139
Level 3 | Trading Securities, at Fair Value | Market comparable  companies | EBITDA Multiples | Minimum    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Percentage measurement input of equity securities 6.5 6.8
Level 3 | Trading Securities, at Fair Value | Market comparable  companies | EBITDA Multiples | Maximum    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Percentage measurement input of equity securities 26.3 34.0
Level 3 | Trading Securities, at Fair Value | Market comparable  companies | EBITDA Multiples | Weighted Average    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Percentage measurement input of equity securities 14.6 15.1
Level 3 | Trading Securities, at Fair Value | Market comparable  companies | Cash Flow Multiples | Minimum    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Percentage measurement input of equity securities 0.9 4.0
Level 3 | Trading Securities, at Fair Value | Market comparable  companies | Cash Flow Multiples | Maximum    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Percentage measurement input of equity securities 25.7 29.5
Level 3 | Trading Securities, at Fair Value | Market comparable  companies | Cash Flow Multiples | Weighted Average    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Percentage measurement input of equity securities 7.5 7.6
Level 3 | Trading Securities, at Fair Value | Discounted cash flow    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Fair value of fixed maturities AFS $ 83 $ 83
Discount years 7 years  
Level 3 | Trading Securities, at Fair Value | Discounted cash flow | Earnings/Revenue Multiple    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Percentage measurement input of equity securities 10.9 10.9
Level 3 | Trading Securities, at Fair Value | Discounted cash flow | Discount Factor    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Percentage measurement input of equity securities 0.100 0.100
Level 3 | Mortgage loans, at fair value using the fair value option | Discounted cash flow    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Fair value of fixed maturities AFS $ 72 $ 50
Level 3 | Mortgage loans, at fair value using the fair value option | Discounted cash flow | Discount Rate | Minimum    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Percentage measurement input of equity securities 0.062 0.051
Level 3 | Mortgage loans, at fair value using the fair value option | Discounted cash flow | Discount Rate | Maximum    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Percentage measurement input of equity securities 0.066 0.057
Level 3 | Mortgage loans, at fair value using the fair value option | Discounted cash flow | Loan to Value | Minimum    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Percentage measurement input of equity securities 0.640 0.640
Level 3 | Mortgage loans, at fair value using the fair value option | Discounted cash flow | Loan to Value | Maximum    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Percentage measurement input of equity securities 0.660 0.645
Level 3 | Purchased MRB asset | Discounted cash flow    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Fair value of fixed maturities AFS $ 5,266 $ 5,260
Level 3 | Purchased MRB asset | Discounted cash flow | Lapse Rate | Minimum    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Percentage measurement input of equity securities 0.0004 0.0004
Level 3 | Purchased MRB asset | Discounted cash flow | Lapse Rate | Maximum    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Percentage measurement input of equity securities 0.1367 0.1367
Level 3 | Purchased MRB asset | Discounted cash flow | Lapse Rate | Weighted Average    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Percentage measurement input of equity securities 0.0225 0.0234
Level 3 | Purchased MRB asset | Discounted cash flow | Withdrawal Rate | Minimum    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Percentage measurement input of equity securities 0.0012 0.0012
Level 3 | Purchased MRB asset | Discounted cash flow | Withdrawal Rate | Maximum    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Percentage measurement input of equity securities 0.0651 0.0651
Level 3 | Purchased MRB asset | Discounted cash flow | Withdrawal Rate | Weighted Average    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Percentage measurement input of equity securities 0.0066 0.0068
Level 3 | Purchased MRB asset | Discounted cash flow | GMIB Utilization Rate | Minimum    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Percentage measurement input of equity securities 0.0004 0.0004
Level 3 | Purchased MRB asset | Discounted cash flow | GMIB Utilization Rate | Maximum    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Percentage measurement input of equity securities 0.6369 0.6369
Level 3 | Purchased MRB asset | Discounted cash flow | GMIB Utilization Rate | Weighted Average    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Percentage measurement input of equity securities 0.0691 0.0687
Level 3 | Purchased MRB asset | Discounted cash flow | Non-Performance Risk | Minimum    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Percentage measurement input of equity securities 0 0.0003
Level 3 | Purchased MRB asset | Discounted cash flow | Non-Performance Risk | Maximum    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Percentage measurement input of equity securities 0.0091 0.0085
Level 3 | Purchased MRB asset | Discounted cash flow | Non-Performance Risk | Weighted Average    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Percentage measurement input of equity securities 0.0006 0.0007
Level 3 | Purchased MRB asset | Discounted cash flow | Volatility Rate - Equity | Minimum    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Percentage measurement input of equity securities 0.18 0.13
Level 3 | Purchased MRB asset | Discounted cash flow | Volatility Rate - Equity | Maximum    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Percentage measurement input of equity securities 0.29 0.29
Level 3 | Purchased MRB asset | Discounted cash flow | Volatility Rate - Equity | Weighted Average    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Percentage measurement input of equity securities 0.23 0.23
Level 3 | Purchased MRB asset | Discounted cash flow | Mortality | Ages 0 - 40 | Minimum    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Percentage measurement input of equity securities 0.0001 0.0001
Level 3 | Purchased MRB asset | Discounted cash flow | Mortality | Ages 0 - 40 | Maximum    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Percentage measurement input of equity securities 0.0017 0.0017
Level 3 | Purchased MRB asset | Discounted cash flow | Mortality | Ages 0 - 40 | Weighted Average    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Percentage measurement input of equity securities 0.0334 0.0341
Level 3 | Purchased MRB asset | Discounted cash flow | Mortality | Ages 41 - 60 | Minimum    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Percentage measurement input of equity securities 0.0006 0.0006
Level 3 | Purchased MRB asset | Discounted cash flow | Mortality | Ages 41 - 60 | Maximum    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Percentage measurement input of equity securities 0.0051 0.0051
Level 3 | Purchased MRB asset | Discounted cash flow | Mortality | Ages 61 - 115 | Minimum    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Percentage measurement input of equity securities 0.0031 0.0031
Level 3 | Purchased MRB asset | Discounted cash flow | Mortality | Ages 61 - 115 | Maximum    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Percentage measurement input of equity securities 0.4040 0.4040
Level 3 | Direct MRB | Discounted cash flow    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Direct MRB $ 9,150 $ 9,401
Level 3 | Direct MRB | Discounted cash flow | Lapse Rate | Minimum    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Measurement input of servicing liability 0.0004 0.0004
Level 3 | Direct MRB | Discounted cash flow | Lapse Rate | Maximum    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Measurement input of servicing liability 0.3809 0.3809
Level 3 | Direct MRB | Discounted cash flow | Lapse Rate | Weighted Average    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Measurement input of servicing liability 0.0403 0.0409
Level 3 | Direct MRB | Discounted cash flow | Withdrawal Rate | Minimum    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Measurement input of servicing liability 0.0000 0.0000
Level 3 | Direct MRB | Discounted cash flow | Withdrawal Rate | Maximum    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Measurement input of servicing liability 0.0800 0.0800
Level 3 | Direct MRB | Discounted cash flow | Withdrawal Rate | Weighted Average    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Measurement input of servicing liability 0.0083 0.0083
Level 3 | Direct MRB | Discounted cash flow | Non-Performance Risk    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Measurement input of servicing liability 0.0107 0.0077
Level 3 | Direct MRB | Discounted cash flow | Non-Performance Risk | Weighted Average    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Measurement input of servicing liability 0.0107 0.0077
Level 3 | Direct MRB | Discounted cash flow | Mortality | Ages 0 - 40 | Minimum    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Measurement input of servicing liability 0.0001 0.0001
Level 3 | Direct MRB | Discounted cash flow | Mortality | Ages 0 - 40 | Maximum    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Measurement input of servicing liability 0.0017 0.0017
Level 3 | Direct MRB | Discounted cash flow | Mortality | Ages 0 - 40 | Weighted Average    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Measurement input of servicing liability 0.0297 0.0295
Level 3 | Direct MRB | Discounted cash flow | Mortality | Ages 41 - 60 | Minimum    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Measurement input of servicing liability 0.0006 0.0006
Level 3 | Direct MRB | Discounted cash flow | Mortality | Ages 41 - 60 | Maximum    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Measurement input of servicing liability 0.0051 0.0051
Level 3 | Direct MRB | Discounted cash flow | Mortality | Ages 61 - 115 | Minimum    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Measurement input of servicing liability 0.0031 0.0031
Level 3 | Direct MRB | Discounted cash flow | Mortality | Ages 61 - 115 | Maximum    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Measurement input of servicing liability 0.4040 0.4040
Level 3 | Direct MRB | Discounted cash flow | Annuitization Rate | Minimum    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Measurement input of servicing liability 0.0004 0.0004
Level 3 | Direct MRB | Discounted cash flow | Annuitization Rate | Maximum    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Measurement input of servicing liability 1.0000 1.0000
Level 3 | Direct MRB | Discounted cash flow | Annuitization Rate | Weighted Average    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Measurement input of servicing liability 0.0549 0.0529