Business and Basis of Presentation (Narrative) (Details) $ in Millions	3 Months Ended
	Mar. 31, 2024 USD ($) subsidiary
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Number Of Subsidiaries | subsidiary	1
Pretax charge increase from PHAB of indexed variable annuity products
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Restatement adjustment	$ 86
Misclassification of certain affiliated ceded activity within the Statement of Cash Flows
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Restatement adjustment	$ 75