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Summary of Assets for Segments and Corporate and Growth (Detail) - USD ($) $ in Millions	Jun. 30, 2024	Dec. 31, 2023
Segment Reporting Information [Line Items]
Total assets	$ 87,543	$ 90,817
Enact
Segment Reporting Information [Line Items]
Total assets	6,351	6,193
Long-Term Care Insurance
Segment Reporting Information [Line Items]
Total assets	44,559	46,195
Life and Annuities Segment
Segment Reporting Information [Line Items]
Total assets	34,829	36,517
Corporate and Other
Segment Reporting Information [Line Items]
Total assets	$ 1,804	$ 1,912

X

- Definition

Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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