Investments - VIE (Details) - USD ($) $ in Millions	Mar. 31, 2023	Dec. 31, 2022
Schedule of Investments [Line Items]
Carrying Value	$ 19,448	$ 18,107
Maximum Loss Exposure	22,858	21,434
Limited Partnerships
Schedule of Investments [Line Items]
Carrying Value	2,558	2,427
Maximum Loss Exposure	4,268	4,030
Fixed Maturity Securities
Schedule of Investments [Line Items]
Carrying Value	16,890	15,680
Maximum Loss Exposure	$ 18,590	$ 17,404