Discontinued Operations - Details of the results of the Annuity subsidiaries sold (Details) - USD ($) $ in Millions		5 Months Ended	12 Months Ended
	May 31, 2021	May 31, 2021	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
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 (loss) from discontinued operations
Net earnings (loss) from discontinued operations		$ 914	$ 0	$ 914	$ 407
Annuity subsidiaries
Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Gain on sale of discontinued operations, net of tax	$ 656	656			0
Annuity subsidiaries | Net earnings (loss) from discontinued operations
Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net investment income		746			1,670
Realized gains (losses) on securities		112			365
Other income		52			123
Total revenues		910			2,158
Annuity benefits		377			1,192
Annuity and supplemental insurance acquisition expenses		136			306
Other expenses		73			151
Total costs and expenses		586			1,649
Earnings (loss) before income taxes from discontinued operations		324			509
Provision (credit) for income taxes on operations		66			102
Net earnings (loss) from operations, net of tax		$ 258			$ 407