Reinsurance (Earned Life Insurance Premiums On Ceded Business) (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Direct premiums earned	$ 7,801	$ 7,056	$ 6,366
Ceded earned premiums	(412)	(392)	(331)
Insurance losses and contract holders' benefits	5,274	5,019	3,909
Life Insurance Segment
Direct premiums earned	394	379	370
Ceded earned premiums	(81)	(78)	(76)
Net earned premiums	313	301	294
Direct contract holders' benefits incurred	391	394	380
Ceded contract holders' benefits incurred	(75)	(91)	(67)
Insurance losses and contract holders' benefits	$ 316	$ 303	$ 313

Amount of earned premiums ceded to other entities.

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Amount, before premiums ceded to other entities and premiums assumed by the entity, of premiums earned.

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Amount, before effect of policies assumed or ceded, of expense related to provision for policy benefits and costs incurred.

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Amount, after premiums ceded to other entities and premiums assumed by the entity, of life premiums earned.

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