XML 162 R146.htm IDEA: XBRL DOCUMENT
v3.24.0.1

Employee Benefit Plans - 401(k) Profit Sharing Plan (Details) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 USD ($) | Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($) | Dec. 31, 2020
Retirement Benefits [Abstract] |  |  |  |
Maximum annual contributions per employee, percent | 40.00% |  |  |
Employer matching contribution, percent of match, amount per dollar | 0.50 |  | 0.375 | 0.375
Employer matching contribution, percent of employees' gross pay |  | 6.00% | 6.00% | 6.00%
Defined contribution plan, cost recognized | $ 45 | $ 50 | $ 36 |

X
- Definition Defined Contribution Plan, Employer Matching Contribution, Percent of Match, Amount per Dollar + References No definition available. + Details
Name: | fnf_DefinedContributionPlanEmployerMatchingContributionPercentofMatchAmountperDollar
Namespace Prefix: | fnf_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_CompensationAndRetirementDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of cost for defined contribution plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 70 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480794/715-70-50-1 + Details
Name: | us-gaap_DefinedContributionPlanCostRecognized
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan. + References No definition available. + Details
Name: | us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Maximum percentage of employee gross pay the employee may contribute to a defined contribution plan. + References No definition available. + Details
Name: | us-gaap_DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration