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Discontinued Operations - Narrative (Details) - Annuity subsidiaries $ in Millions |  | 2 Months Ended | 5 Months Ended
--- | --- | --- | ---
May 31, 2021 USD ($) | May 31, 2021 USD ($) | May 31, 2021 USD ($)
Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |
Net proceeds from sale of businesses | $ 3,570 |  |
Post-closing adjustments | 34 | $ 34 | $ 34
Gain on sale, net of tax | $ 656 | $ 697 | $ 656

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