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Managed Investment Entities - Narrative (Details) $ in Millions | 6 Months Ended |
--- | --- | ---
Jun. 30, 2021 USD ($) collateralizedloanobligation | Jun. 30, 2020 USD ($) | Dec. 31, 2020 USD ($)
Variable Interest Entity [Line Items] |  |  |
Percentage of investment of most subordinate debt tranche, Minimum | 4.50% |  |
Percentage of investment of most subordinate debt tranche, Maximum | 46.80% |  |
Number of collateralized loan obligation entities | collateralizedloanobligation | 12 |  |
Face amount of managed investment entities liabilities purchased by subsidiaries after issuance date |  | $ 57 |
Amount paid by subsidiaries to purchase managed investment entities liabilities after issuance date |  | 39 |
Proceeds received by subsidiaries related to sales and redemptions of managed investment entities liabilities | $ 38 |  |
Difference between aggregate unpaid principal balance and fair value of CLOs' fixed maturity investments | 69 |  | $ 150
Difference between aggregate unpaid principal balance and carrying value of CLOs' debt | 182 |  | 141
Carrying amount of CLO loans in default | 5 |  | 11
Aggregate unpaid principal balance of variable interest entity loans in default | 15 |  | 28
Available for sale (AFS) fixed maturities | 9,732 |  | 9,084
Maximum |  |  |
Variable Interest Entity [Line Items] |  |  |
Proceeds received by subsidiaries related to sales and redemptions of managed investment entities liabilities |  | 1 |
Collateralized loan obligations |  |  |
Variable Interest Entity [Line Items] |  |  |
Available for sale (AFS) fixed maturities | 1,384 |  | 1,062
Collateralized loan obligations | Managed by third parties |  |  |
Variable Interest Entity [Line Items] |  |  |
Available for sale (AFS) fixed maturities | 1,380 |  | 1,060
Variable interest entity, primary beneficiary |  |  |
Variable Interest Entity [Line Items] |  |  |
Aggregate fair value of investment in collateralized loan obligations | 57 | $ 157 | $ 200
Variable interest entity, primary beneficiary | Subordinated Debt Obligations |  |  |
Variable Interest Entity [Line Items] |  |  |
Aggregate fair value of investment in collateralized loan obligations | $ 45 |  |

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