Dispositions - Schedule of Financial Results from Discontinued Operations (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Costs and expenses
Income tax expense	$ 0	$ 0	$ (19)
Discontinued Operation, Gain (Loss) on Disposal, Statement of Income or Comprehensive Income [Extensible Enumeration]			(Loss) income from discontinued operations, net of tax
(Loss) income from discontinued operations, net of tax	$ 0	$ 0	$ (3,593)
Discontinued Operations, Held-for-sale
Revenues
Life premiums and contract charges			1,109
Net investment income			1,336
Net gains (losses) on investments and derivatives			195
Total revenues			2,640
Costs and expenses
Life contract benefits			1,315
Interest credited to contractholder funds			414
Amortization of DAC			87
Operating costs and expenses			163
Restructuring and related charges			31
Total costs and expenses			2,010
Amortization of deferred gain on reinsurance			4
Income from discontinued operations before income tax expense			634
Income tax expense			136
Income from discontinued operations, net of tax			498
Loss on disposition of operations			(4,315)
Income tax benefit			(224)
Loss on disposition of operations, net of tax			$ (4,091)