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FAIR VALUE DISCLOSURES - Quantitative Information about Level 3 (Details) $ in Millions | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2024 USD ($) | Dec. 31, 2023 USD ($)
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Liability for market risk benefits | $ 12,593 | $ 14,612
Assets for market risk benefits | 803 | 591
Level 3 | Discounted cash flow | Alliance Bernstein |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
AB Contingent consideration payable | $ 255 | $ 253
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 | 0.104 | 0.104
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 | 0.046 | 0.046
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 | 0.293 | 0.839
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 | 0.079 | 0.103
Level 3 | Corporate | Matrix pricing model |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Fair value of fixed maturities AFS | $ 362 | $ 373
Level 3 | Corporate | Matrix pricing model | Spread over Benchmark | Minimum |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Percentage measurement input of equity securities | 0.0045 | 0.0020
Level 3 | Corporate | Matrix pricing model | Spread over Benchmark | Maximum |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Percentage measurement input of equity securities | 0.0220 | 0.0747
Level 3 | Corporate | Matrix pricing model | Spread over Benchmark | Weighted Average |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Percentage measurement input of equity securities | 0.0135 | 0.0181
Level 3 | Corporate | Market comparable companies |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Fair value of fixed maturities AFS | $ 1,063 | $ 979
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 | 4.0 | 3.3
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 | 33.0 | 29.0
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 | 13.4 | 13.6
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 | 0.000 | 0.000
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 | 0.289 | 0.228
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 | 0.037 | 0.039
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 | 0.0 | 0.8
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 | 9.0 | 10.0
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 | 6.0 | 6.3
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 | 0.096 | 0.034
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 | 0.128 | 0.610
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 | 0.036 | 0.138
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 | $ 61 | $ 61
Discount years | 7 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 | 9.1 | 9.1
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 | 0.1000
Level 3 | Other equity investments | Discounted cash flow |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Fair value of fixed maturities AFS | $ 0 | $ 2
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 | 6.9 | 3.9
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 | 0.0 | 8.4
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 | 0.0 | 6.5
Level 3 | Purchased MRB asset | Discounted cash flow |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Fair value of fixed maturities AFS | $ 7,993 | $ 9,427
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 | 0.0021 | 0.0021
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 | 0.1238 | 0.1238
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 | 0.0200 | 0.0179
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 | 0.0007 | 0.0007
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 | 0.1497 | 0.1497
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 | 0.0057 | 0.0046
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 | 0.6621 | 0.6621
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 | 0.0681 | 0.0744
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 | 0.0040 | 0.0035
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 | 0.0101 | 0.0097
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 | 0.0043 | 0.0045
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 | 0.11 | 0.11
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 | 0.31 | 0.28
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 | 0.24 | 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 | 0.0018 | 0.0018
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 | 0.0316 | 0.0307
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 | 0.0007 | 0.0007
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 | 0.0053 | 0.0053
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 | 0.0033 | 0.0033
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 | 0.4200 | 0.4200
Level 3 | Direct MRB | Discounted cash flow |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Direct MRB | $ 11,790 | $ 14,021
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 | 0.0021 | 0.0021
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 | 0.2937 | 0.2937
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 | 0.0322 | 0.0307
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 | 0.1497 | 0.1497
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 | 0.0073 | 0.0064
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 | 0.0109 | 0.0118
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 | 0.0109 | 0.0118
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 | 0.0018 | 0.0018
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 | 0.0276 | 0.0250
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 | 0.0007 | 0.0007
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 | 0.0053 | 0.0053
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 | 0.0033 | 0.0033
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 | 0.4200 | 0.4200
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 | 0.0518 | 0.0538

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- Definition Amount of asset position for contract or contract feature in long-duration contract issued by insurance entity that both protects contract holder from other-than-nominal capital market risk and exposes insurance entity to other-than-nominal capital market risk. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (bbb)(2)(i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (bbb)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (bbb)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 7B -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480081/944-40-50-7B Reference 5: http://www.xbrl.org/2003/role/exampleRef -Topic 944 -SubTopic 40 -Name Accounting Standards Codification -Section 55 -Paragraph 29G -Publisher FASB -URI https://asc.fasb.org/1943274/2147480046/944-40-55-29G + Details
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