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Schedule III - Balance Sheet Captions (Detail) - USD ($) $ in Millions | Dec. 31, 2021 | Dec. 31, 2020
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Supplementary Insurance Information By Segment [Line Items] |  |
Deferred policy acquisition costs | $ 24 | $ 35
Claims reserves | 1,284 | 1,178
Deferred revenues | 224 | 272
Title Insurance and Services |  |
Supplementary Insurance Information By Segment [Line Items] |  |
Deferred policy acquisition costs | 0 | 0
Claims reserves | 1,210 | 1,090
Deferred revenues | 6 | 5
Specialty Insurance |  |
Supplementary Insurance Information By Segment [Line Items] |  |
Deferred policy acquisition costs | 24 | 35
Claims reserves | 74 | 88
Deferred revenues | $ 218 | $ 267

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