Deferred Policy Acquisition Costs - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Summary of Significant Accounting Policies [Line Items]
Deferred acquisition cost	$ 15,425	$ 10,403	$ 9,679	$ 10,890
Deferred bonus interest and sales inducement assets	889	307
Value Of Business Acquired
Summary of Significant Accounting Policies [Line Items]
Value of business	94	111
Investment Oriented Contracts
Summary of Significant Accounting Policies [Line Items]
Deferred acquisition cost	$ 11,000	$ 5,800