Discontinued Operations - Narrative (Details) - SLD, SLDI, RRII, MUL, and VAE - Discontinued Operations, Held-for-sale - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Total loss recognition	$ 523
Deferred Policy Acquisition Costs and Present Value of Future Insurance Profits, Impairment Loss	302
Premium Deficiency Testing Expense, Long-Duration Contract, Amount	$ 221
Discontinued Operation, Gain (Loss) on Disposal of Discontinued Operation, Net of Tax		$ 7