Related Party Transactions (Shared Services, Overhead Allocations and Broker-Dealer Transactions - Narrative) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023	Dec. 31, 2023
Insurance Commissions and Fees	$ 430	$ 411	$ 1,186	$ 1,356
Total revenues	1,831	995	2,953	2,166
All Services and Transactions Except Broker Dealer Activities [Member]
Accounts Payable, Other	(56)		(56)		$ (110)
Broker Dealer Activities [Member]
Total revenues	44	43	130	128
Operating Costs and Expenses	232	216	701	660
Other Receivables	14		14		$ 14
Affiliated Entity
Insurance Commissions and Fees	45	45	133	133
Selling, General and Administrative Expense	$ 221	$ 227	$ 669	$ 681