DAC, VOBA, DSI, and DFEL - Reconciliation of DEFL (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Deferred Policy Acquisition Cost [Line Items]
Deferred front-end loads	$ 5,901	$ 5,091		$ 3,591
Other Operations
Deferred Policy Acquisition Cost [Line Items]
Deferred front-end loads	44	39
Ceded deferred front end loads	44	39
UL and Other
Deferred Policy Acquisition Cost [Line Items]
Deferred front-end loads	5,579	4,766	$ 3,934	3,298
Ceded deferred front end loads	257	0
Variable Annuities
Deferred Policy Acquisition Cost [Line Items]
Deferred front-end loads	278	286	$ 291	$ 293
Ceded deferred front end loads	$ 0	$ 0