XML 124 R113.htm IDEA: XBRL DOCUMENT
v3.23.1

Future Policy Benefits - Actual Experience and Expected Experience for Mortality and Lapses (Details) | Mar. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | --- | ---
Actual experience | Traditional Life |  |  |
Liability for Future Policy Benefit, Activity [Line Items] |  |  |
Mortality rate | 1.40% | 1.50% | 1.70%
Lapse rate | 0.10% | 0.00% | 0.10%
Actual experience | Immediate Annuities |  |  |
Liability for Future Policy Benefit, Activity [Line Items] |  |  |
Mortality rate | 3.20% | 3.00% | 4.20%
Lapse rate | 0.00% | 0.00% | 0.00%
Actual experience | PRT |  |  |
Liability for Future Policy Benefit, Activity [Line Items] |  |  |
Mortality rate | 2.70% | 1.90% | 0.00%
Lapse rate | 0.00% | 0.00% | 0.00%
Expected experience | Traditional Life |  |  |
Liability for Future Policy Benefit, Activity [Line Items] |  |  |
Mortality rate | 1.40% | 1.30% | 1.30%
Lapse rate | 0.20% | 0.30% | 0.30%
Expected experience | Immediate Annuities |  |  |
Liability for Future Policy Benefit, Activity [Line Items] |  |  |
Mortality rate | 1.70% | 1.90% | 2.00%
Lapse rate | 0.00% | 0.00% | 0.00%
Expected experience | PRT |  |  |
Liability for Future Policy Benefit, Activity [Line Items] |  |  |
Mortality rate | 2.10% | 2.50% | 0.00%
Lapse rate | 0.00% | 0.00% | 0.00%

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_LiabilityForFuturePolicyBenefitActivityLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Anticipated rate of future terminations of contracts in force as of the balance sheet date, which is included in determining the amount of the specified guaranteed benefit obligation as of the balance sheet date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 80 -Section 50 -Paragraph 1 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=124508989&loc=d3e19393-158473 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 20 -Section 55 -Paragraph 15 -Subparagraph (e) -URI https://asc.fasb.org/extlink&oid=124504833&loc=d3e7104-158389 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 40 -Section 50 -Paragraph 6 -URI https://asc.fasb.org/extlink&oid=124506351&loc=d3e14931-158439 + Details
Name: | us-gaap_LongDurationContractsAssumptionsByProductAndGuaranteeLapseRate
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Actuarially determined death rate of policyholders, which is included in determining the amount of the specified guaranteed benefit obligation as of the balance sheet date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 20 -Section 55 -Paragraph 15 -Subparagraph (d) -URI https://asc.fasb.org/extlink&oid=124504833&loc=d3e7104-158389 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 40 -Section 50 -Paragraph 6 -URI https://asc.fasb.org/extlink&oid=124506351&loc=d3e14931-158439 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 80 -Section 50 -Paragraph 1 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=124508989&loc=d3e19393-158473 + Details
Name: | us-gaap_LongDurationContractsAssumptionsByProductAndGuaranteeMortalityRate
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | fnf_LongDurationContractsAssumptionsAxis=fnf_LongDurationContractsAssumptionsActualExperienceMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=fnf_TraditionalLifeInsuranceMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=fnf_ImmediateAnnuityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ProductOrServiceAxis=fnf_PRTMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | fnf_LongDurationContractsAssumptionsAxis=fnf_LongDurationContractsAssumptionsExpectedExperienceMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |