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Reinsurance | 12 Months Ended
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Dec. 31, 2021
Supplemental Schedule Of Reinsurance Premiums For Insurance Companies [Abstract] |
Reinsurance | FIRST AMERICAN FINANCIAL CORPORATION AND SUBSIDIARY COMPANIES REINSURANCE (dollars in millions)
Segment | Premiums and escrow fees before reinsurance |  |  | Ceded to other companies |  |  | Assumed from other companies |  |  | Premiums and escrow fees |  |  | Percentage of amount assumed to premiums and escrow fees |
Title Insurance and Services |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
2021 | $ | 6,879 |  |  | $ | 22 |  |  | $ | — |  |  | $ | 6,857 |  |  |  | 0.0 | %
2020 | $ | 5,265 |  |  | $ | 16 |  |  | $ | — |  |  | $ | 5,249 |  |  |  | 0.0 | %
2019 | $ | 4,573 |  |  | $ | 13 |  |  | $ | 1 |  |  | $ | 4,561 |  |  |  | 0.0 | %
Specialty Insurance |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
2021 | $ | 504 |  |  | $ | 6 |  |  | $ | — |  |  | $ | 498 |  |  |  | 0.0 | %
2020 | $ | 508 |  |  | $ | 10 |  |  | $ | — |  |  | $ | 498 |  |  |  | 0.0 | %
2019 | $ | 483 |  |  | $ | 12 |  |  | $ | — |  |  | $ | 471 |  |  |  | 0.0 | %

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- Definition The entire disclosure for the supplemental schedule of reinsurance information. Reinsurance schedule includes, but is not limited to, the type of insurance, gross amount of premiums, premiums ceded to other entities, premiums assumed from other entities, net amount of premium revenue, and the percentage of the premiums assumed to net premium revenue. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 12 -Subsection 17 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 235 -Section S99 -Paragraph 2 -Subparagraph (SX 210.12-17) -URI http://asc.fasb.org/extlink&oid=120401096&loc=d3e574992-122915 + Details
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