Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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+ Details

Goodwill and Specifically Identifiable Intangible Assets - Narrative (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Sep. 30, 2023	Dec. 31, 2024	Dec. 31, 2023
Goodwill [Line Items]
Term for new business cash flows		10 years
Goodwill impairment		$ 0	$ 0
Life Insurance
Goodwill [Line Items]
Goodwill impairment	$ 634