v3.26.1
FAIR VALUE DISCLOSURES - Quantitative Information about Level 3 (Details)
$ in Millions
6 Months Ended
Jun. 30, 2026
USD ($)
Dec. 31, 2025
USD ($)
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Liability for market risk benefits $ 8,816 $ 10,153
Market Risk Benefit, Asset, Amount 940 752
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 $ 1,063 $ 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 4.3 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 26.0 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 12.6 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 0.059 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 0.482 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 0.076 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 15.4 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 5.9 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 0.033 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 0.453 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 0.142 0.103
Level 3 | Corporate | Market comparable  companies | Benchmark analysis | Minimum    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Percentage measurement input of equity securities 0.036  
Level 3 | Corporate | Market comparable  companies | Benchmark analysis | Maximum    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Percentage measurement input of equity securities 0.078  
Level 3 | Corporate | Market comparable  companies | Benchmark analysis | Weighted Average    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Percentage measurement input of equity securities 0.047  
Level 3 | Other equity investments | Discounted cash flow    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Fair value of fixed maturities AFS   $ 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 | Weighted Average    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Percentage measurement input of equity securities   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 $ 246 $ 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 6.2 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 26.0 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 14.4 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 0.7 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 11.8 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 7.1 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 $ 82 $ 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 $ 71 $ 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 0.064 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 0.068 0.057
Level 3 | Mortgage loans, at fair value using the fair value option | Discounted cash flow | Discount Rate | Weighted Average    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Percentage measurement input of equity securities 0.066  
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 | Mortgage loans, at fair value using the fair value option | Discounted cash flow | Loan to Value | Weighted Average    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Percentage measurement input of equity securities 0.650  
Level 3 | Purchased MRB asset | Discounted cash flow    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Fair value of fixed maturities AFS $ 4,710 $ 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 0.0252 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 0.0062 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 0.0652 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 0.0001 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 0.0078 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 0.1374 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 0.2852 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 0.2265 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 0.0353 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 $ 7,876 $ 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 0.0428 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 0.0067 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 0.0094 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 0.0094 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 0.0304 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 0.0506 0.0529