DAC, VOBA, DSI, and DFEL - Reconciliation of DAC, VOBA and DSI (Details) - USD ($) $ in Millions	Sep. 30, 2024	Dec. 31, 2023
Movement Analysis of Deferred Policy Acquisition Costs [Roll Forward]
DAC, VOBA and DSI	$ 12,374	$ 12,418
Traditional Life
Movement Analysis of Deferred Policy Acquisition Costs [Roll Forward]
DAC, VOBA and DSI	1,345	1,374
UL and Other
Movement Analysis of Deferred Policy Acquisition Costs [Roll Forward]
DAC, VOBA and DSI	6,122	6,139
Group Protection
Movement Analysis of Deferred Policy Acquisition Costs [Roll Forward]
DAC, VOBA and DSI	136	154
Retirement Plan Services
Movement Analysis of Deferred Policy Acquisition Costs [Roll Forward]
DAC, VOBA and DSI	286	270
Variable Annuities
Movement Analysis of Deferred Policy Acquisition Costs [Roll Forward]
DAC, VOBA and DSI	4,054	4,025
Fixed Annuities
Movement Analysis of Deferred Policy Acquisition Costs [Roll Forward]
DAC, VOBA and DSI	$ 431	$ 456