Discontinued Operations - Details of the results of the Annuity subsidiaries sold (Details) - USD ($) $ in Millions		5 Months Ended
	May 31, 2021	May 31, 2021
Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Discontinued Operation, Gain (Loss) on Disposal, Statement of Income or Comprehensive Income [Extensible Enumeration]		Net earnings from discontinued operations
Net earnings from discontinued operations		$ 914
Annuity subsidiaries
Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Gain on sale of discontinued operations, net of tax	$ 656	656
Annuity subsidiaries | Net earnings (loss) from discontinued operations
Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net investment income		746
Realized gains on securities		112
Other income		52
Total revenues		910
Annuity benefits		377
Annuity and supplemental insurance acquisition expenses		136
Other expenses		73
Total costs and expenses		586
Earnings before income taxes from discontinued operations		324
Provision for income taxes on operations		66
Net earnings from discontinued operations, net of tax		$ 258