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Discontinued Operations - Narrative (Details) - USD ($) $ in Millions |  | 5 Months Ended | 9 Months Ended
--- | --- | --- | ---
May 31, 2021 | May 31, 2021 | Sep. 30, 2021
Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |
Gain (Loss) on Derivative - Statement of Income - Extensible Enumeration |  |  | Net earnings from discontinued operations
Annuity subsidiaries |  |  |
Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |
Net proceeds from sale of businesses | $ 3,570 |  |
Post-closing adjustments | 34 | $ 34 |
Gain on sale, net of tax | $ 656 | $ 656 |

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