Discontinued Operations - Impact of the sale of the annuity businesses (Details) - USD ($) $ in Millions		5 Months Ended	12 Months Ended
	May 31, 2021	May 31, 2021	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Cash proceeds from sale of businesses			$ 0	$ 0	$ 3,581
Equity attributable to parent			$ 4,258	$ 4,052
Annuity subsidiaries
Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Cash proceeds from sale of businesses	$ 3,571
Sale related expenses	(8)
Total net proceeds	3,563
Equity attributable to parent	2,867	$ 2,867
Reclassify net deferred tax asset	199
Realized gains (losses) on subsidiaries	895
Tax liabilities triggered by the sale	41
Other tax expense on gain on sale of subsidiaries	(1)
Total income tax expense on gain on sale of subsidiaries	239
Gain on sale of discontinued operations, net of tax	$ 656	$ 656