Investments (Borrowed Securities Repurchased Securities And Repurchased Reversed Repurchased Securities) (Details) - USD ($) $ in Millions		Mar. 31, 2022	Dec. 31, 2021
Securities Financing Transaction [Line Items]
Securities Loaned, Fair Value of Collateral		$ 84	$ 102
Securities Financing Transaction, Cost
Securities Financing Transaction [Line Items]
Collateralized Agreements	[1]	460	279
Securities Loaned, Fair Value of Collateral	[1]	82	94
Securities for Reverse Repurchase Agreements	[1]	730	704
Cash	[2]	0	10
Cash Received	[3]	42	0
Securities Financing Transaction, Fair Value
Securities Financing Transaction [Line Items]
Securities Borrowed	[4]	561	420
Collateralized Agreements	[1]	437	290
Securities Loaned, Fair Value of Collateral	[1]	84	102
Securities Received as Collateral	[5]	94	102
Securities for Reverse Repurchase Agreements	[1]	715	736
Cash	[2]	0	10
Securities Sold under Agreements to Repurchase, Collateral, Right to Reclaim Securities	[5]	690	728
Cash Received	[3]	$ 42	$ 0

[1] Securities loaned and pledged to counterparties are included within fixed maturity securities.

[2] A receivable for the cash held by counterparties is included within other assets.

[3] A payable for the cash received by the Company is included within other liabilities.

[4] Securities borrowed are not reflected on the condensed consolidated balance sheets. Collateral associated with certain borrowed securities is not included within this table as the collateral pledged to the counterparty is the right to reinsurance treaty cash flows.

[5] Securities received as collateral from counterparties are not reflected on the condensed consolidated financial statements.