Related Party Transactions (Shared Services, Overhead Allocations and Broker-Dealer Transactions - Narrative) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2023
Insurance Commissions and Fees	$ 451	$ 471	$ 756	$ 945
Total revenues	1,246	69	1,122	1,171
All Services and Transactions Except Broker Dealer Activities [Member]
Accounts Payable, Other	(11)		(11)		$ (110)
Broker Dealer Activities [Member]
Total revenues	43	43	86	85
Operating Costs and Expenses	230	219	469	444
Other Receivables	14		14
Affiliated Entity
Insurance Commissions and Fees	44	44	88	88
Selling, General and Administrative Expense	$ 215	$ 228	$ 448	$ 454