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

Amount after tax of gain (loss) not previously recognized resulting from the disposal of a discontinued operation.

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