Business and Basis of Presentation (Market Risk Benefit, Activity) (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022	Jun. 30, 2022	Dec. 31, 2021	Jan. 01, 2021	Dec. 31, 2020
Variable Annuities
Market Risk Benefit [Roll Forward]
Net liability	$ 2,749,536	$ 4,550,625	$ 5,263,138	$ 8,884,362	$ (12,032)
Variable Annuities | As Previously Reported
Market Risk Benefit [Roll Forward]
Net liability						$ 13,227,814
Variable Annuities | Additional insurance reserves to be reclassed to market risk benefits, prior to transition, excluding amounts related to unrealized investment gains and losses
Market Risk Benefit [Roll Forward]
Net liability					534,422
Variable Annuities | Total liability prior to transition
Market Risk Benefit [Roll Forward]
Net liability					13,762,236
Variable Annuities | Change in reserve basis to market risk benefits framework
Market Risk Benefit [Roll Forward]
Net liability					(184,693)
Variable Annuities | Market risk benefits after transition, at current non-performance risk value
Market Risk Benefit [Roll Forward]
Net liability					13,577,543
Variable Annuities | Less: Reinsured market risk benefits
Market Risk Benefit [Roll Forward]
Net liability					13,589,575
Variable Annuities | Market risk benefits after transition, at contract inception non-performance risk value
Market Risk Benefit [Roll Forward]
Net liability					13,577,543
Variable Annuities | Cumulative change in non-performance risk
Market Risk Benefit [Roll Forward]
Net liability					722,837
Individual Variable | Market risk benefits after transition, at contract inception non-performance risk value | Retirement Strategies
Market Risk Benefit [Roll Forward]
Net liability					$ 14,300,380