DAC, VOBA, DSI, and DFEL (Narrative) (Details) - USD ($)	3 Months Ended		12 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022
DAC, VOBA, DSI and DFEL [Abstract]
Deferred Policy Acquisition Costs, Amortization Expense	$ 245,000,000	$ 239,000,000
Present Value of Future Insurance Profits, Amortization Expense	14,000,000	15,000,000
Deferred Sales Inducement Cost, Amortization Expense	5,000,000	$ 5,000,000
Business acquired (sold) through reinsurance	0		$ 0
Present Value of Future Insurance Profits, Impairment Loss	$ 0		$ 0