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Discontinued Operations - Gain (loss) included in the Statement of Earnings for changes in the fair value of derivatives that do not qualify for hedge accounting (Details) - Not Designated as Hedging Instrument - USD ($) $ in Millions | 5 Months Ended | 12 Months Ended
--- | --- | ---
May 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |
Derivative | $ 20 | $ (60) | $ (110)
MBS with embedded derivatives | Annuity subsidiaries | Net earnings (loss) from discontinued operations |  |  |
Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |
Derivative | (1) | (2) | 5
Fixed-indexed and variable-indexed annuities (embedded derivative) | Annuity subsidiaries | Net earnings (loss) from discontinued operations |  |  |
Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |
Derivative | (222) | (283) | (919)
Equity index call options | Annuity subsidiaries | Net earnings (loss) from discontinued operations |  |  |
Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |
Derivative | 237 | 223 | 804
Equity index put options | Annuity subsidiaries | Net earnings (loss) from discontinued operations |  |  |
Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |
Derivative | 5 | 3 | 2
Reinsurance contract (embedded derivative) | Annuity subsidiaries | Net earnings (loss) from discontinued operations |  |  |
Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |
Derivative | $ 1 | $ (1) | $ (2)

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- Definition Amount of increase (decrease) in the fair value of derivatives recognized in the income statement. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=125515794&loc=SL5618551-113959 + 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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