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Reinsurance (Narrative) (Details) - USD ($) $ in Millions | Sep. 30, 2020 | Jan. 01, 2020 | Dec. 31, 2019
--- | --- | --- | ---
Ceded Credit Risk [Line Items] |  |  |
Reinsurance ACL and deposit assets |  | $ 192 |
Athene Holding Ltd. [Member] |  |  |
Ceded Credit Risk [Line Items] |  |  |
Deposit assets | $ 5,900 |  | $ 6,600
Reserves associated with modified coinsurance reinsurance arrangements | 6,303 |  | $ 6,897
Letter of credit | 175 |  |
Athene Holding Ltd. [Member] | Over-Collateralization [Member] |  |  |
Ceded Credit Risk [Line Items] |  |  |
Reserves associated with modified coinsurance reinsurance arrangements | $ 186 |  |

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- Definition The amount of investments in support of reserves associated with modified coinsurance reinsurance arrangements for portions of the Company's deferred annuity business. + References No definition available. + Details
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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. + Details
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- Definition The carrying amount of the asset transferred to a third party to serve as a deposit, which typically serves as security against failure by the transferor to perform under terms of an agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.8,17) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition The total amount of the contingent obligation under letters of credit outstanding as of the reporting date. + References No definition available. + Details
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- Details
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- Details
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