Managed Investment Entities - Narrative (Details) $ in Millions	3 Months Ended
Mar. 31, 2020 USD ($) collateralizedloanobligation	Mar. 31, 2019 USD ($)	Dec. 31, 2019 USD ($)
Variable Interest Entity [Line Items]
Percentage of investment of most subordinate debt tranche, Minimum	15.00%
Percentage of investment of most subordinate debt tranche, Maximum	100.00%
Number of collateralized loan obligation entities \| collateralizedloanobligation	11
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
Difference between aggregate unpaid principal balance and fair value of CLOs' fixed maturity investments	818		$ 146
Difference between aggregate unpaid principal balance and carrying value of CLOs' debt	747		129
Carrying amount of CLO loans in default	20		10
Aggregate unpaid principal balance of variable interest entity loans in default	50		25
Available for sale (AFS) fixed maturities	46,134		46,505
Maximum
Variable Interest Entity [Line Items]
Proceeds received by subsidiaries related to sales and redemptions of managed investment entities liabilities	1	$ 1
Collateralized loan obligations \| Managed by third parties
Variable Interest Entity [Line Items]
Available for sale (AFS) fixed maturities	4,138		4,280
Variable interest entity, primary beneficiary
Variable Interest Entity [Line Items]
Aggregate fair value of investment in collateralized loan obligations	161	$ 193	$ 165
Variable interest entity, primary beneficiary \| Subordinated Debt Obligations
Variable Interest Entity [Line Items]
Aggregate fair value of investment in collateralized loan obligations	$ 81

Aggregate unpaid principal balance of variable interest entity loans in default

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- Definition

Amount paid by subsidiaries to purchase managed investment entities liabilities after issuance date.

+ References

No definition available.

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- Definition

Carrying amount of variable interest entity loans in default.

+ References

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- Definition

Difference between aggregate unpaid principal balance and fair value of variable interest entity debt.

+ References

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- Definition

Difference between aggregate unpaid principal balance and fair value of variable interest entity investments.

+ References

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- Definition

Face amount of managed investment entities liabilities purchased by subsidiaries after issuance date.

+ References

No definition available.

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- Definition

Number of collateralized loan obligation entities.

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- Definition

Maximum percentage of investment of most subordinate debt tranche of variable interest entity.

+ References

No definition available.

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- Definition

Minimum percentage of investment of most subordinate debt tranche of variable interest entity.

+ References

No definition available.

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- Definition

Proceeds received by subsidiaries related to sales and redemptions of managed investment entities liabilities.

+ References

No definition available.

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- Definition

Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
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- Definition

The reporting entity's maximum amount of exposure to loss as a result of its involvement with the Variable Interest Entity (VIE).

+ References

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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