Discontinued Operations - Details of the results of the Annuity subsidiaries sold (Details) - USD ($) $ in Millions		2 Months Ended	3 Months Ended		5 Months Ended	6 Months Ended
	May 31, 2021	May 31, 2021	Jun. 30, 2022	Jun. 30, 2021	May 31, 2021	Jun. 30, 2022	Jun. 30, 2021
Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net earnings from discontinued operations		$ 762	$ 0	$ 762	$ 914	$ 0	$ 914
Annuity subsidiaries
Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Gain on sale, net of tax	$ 656	697			656
Annuity subsidiaries | Net earnings from discontinued operations
Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net investment income		299			746
Realized gains (losses) on securities		31			112
Other income		20			52
Total revenues		350			910
Annuity benefits		216			377
Annuity and supplemental insurance acquisition expenses		24			136
Other expenses		27			73
Total costs and expenses		267			586
Earnings before income taxes from discontinued operations		83			324
Provision for income taxes on discontinued operations		18			66
Net earnings from operations, net of tax		$ 65			$ 258