DAC, VOBA, DSI, and DFEL - Reconciliation of DAC, VOBA and DSI (Details) - USD ($) $ in Millions	Jun. 30, 2024	Dec. 31, 2023
Movement Analysis of Deferred Policy Acquisition Costs [Roll Forward]
DAC, VOBA and DSI	$ 12,337	$ 12,418
Traditional Life
Movement Analysis of Deferred Policy Acquisition Costs [Roll Forward]
DAC, VOBA and DSI	1,358	1,374
UL and Other
Movement Analysis of Deferred Policy Acquisition Costs [Roll Forward]
DAC, VOBA and DSI	6,096	6,139
Group Protection (1)
Movement Analysis of Deferred Policy Acquisition Costs [Roll Forward]
DAC, VOBA and DSI	133	154
Retirement Plan Services
Movement Analysis of Deferred Policy Acquisition Costs [Roll Forward]
DAC, VOBA and DSI	282	270
Variable Annuities
Movement Analysis of Deferred Policy Acquisition Costs [Roll Forward]
DAC, VOBA and DSI	4,024	4,025
Fixed Annuities
Movement Analysis of Deferred Policy Acquisition Costs [Roll Forward]
DAC, VOBA and DSI	$ 444	$ 456