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Reinsurance - Ceded Credit Risk (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Ceded Credit Risk [Line Items]
Reinsurance Recoverables, Including Reinsurance Premium Paid	$ 4,367	$ 4,594
Global Atlantic
Ceded Credit Risk [Line Items]
Reinsurance Recoverables, Including Reinsurance Premium Paid	2,461	2,916
Protective
Ceded Credit Risk [Line Items]
Reinsurance Recoverables, Including Reinsurance Premium Paid	1,581	1,515
Other
Ceded Credit Risk [Line Items]
Reinsurance Recoverables, Including Reinsurance Premium Paid	99	163
Brighthouse Financial
Ceded Credit Risk [Line Items]
Reinsurance Recoverables, Including Reinsurance Premium Paid	$ 226	$ 0

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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.

+ References

No definition available.

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- Definition

Amount, after valuation allowance, recoverable under reinsurance contracts including premium paid under reinsurance contracts. Examples include, but are not limited to, settled and unsettled claims, incurred but not reported losses, loss adjustment expense, premium paid, policy benefits and policy reserves.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(6))
-URI https://asc.fasb.org/extlink&oid=126734703&loc=d3e572229-122910

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 20
-Section 50
-Paragraph 5
-URI https://asc.fasb.org/extlink&oid=99397103&loc=d3e6824-158387

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 310
-Section 45
-Paragraph 5
-URI https://asc.fasb.org/extlink&oid=99404803&loc=d3e21409-158489

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