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Segment Information (Narrative) (Detail) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2021 USD ($) | Jun. 30, 2022 USD ($) State | Jun. 30, 2021 USD ($)
Segment Reporting Information [Line Items] |  |  |
Number of states issues title insurance policies | State |  | 49 |
Number of states issues home warranty contracts | State |  | 35 |
Net investment gains (losses) | $ |  | $ (176) | $ 153
Operating Segment | Corporate |  |  |
Segment Reporting Information [Line Items] |  |  |
Net investment gains (losses) | $ | $ 44 |  | $ 86

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