Discontinued Operations - Impact of the sale of the annuity businesses (Details) - USD ($) $ in Millions		12 Months Ended
	May 31, 2021	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Cash proceeds from sale of businesses		$ 3,581	$ 3	$ 0
Shareholders’ equity		$ 5,012	6,789
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
Shareholders’ equity	2,867		$ 2,893
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