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v3.25.2

Future Policy Benefits - Schedule of Balances and Changes in the Deferred Profit Liability (Details) - USD ($) $ in Millions | 6 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Jun. 30, 2025 | Dec. 31, 2024 | Dec. 31, 2023
Immediate annuities |  |  |
Deferred Profit Liability Rollforward |  |  |
Balance, beginning of year | $ 90 | $ 87 |
Effect of modeling changes |  | 0 | $ 0
Effect of changes in cash flow assumptions |  | 0 | 0
Effect of actual variances from expected experience |  | 1 | 8
Balance adjusted for variances from expectation |  | 91 | 95
Issuances | 4 | 3 |
Interest accrual | 1 | 1 |
Amortization | (4) | (9) |
Balance, end of period | 92 | 90 |
Effect of modeling changes |  | 0 | 0
Effect of changes in cash flow assumptions |  | 0 | 0
Effect of actual variances from expected experience |  | 1 | 8
PRT |  |  |
Deferred Profit Liability Rollforward |  |  |
Balance, beginning of year | 6 | 10 |
Effect of modeling changes |  | 0 | 0
Effect of changes in cash flow assumptions |  | 0 | (8)
Effect of actual variances from expected experience |  | 1 | 0
Balance adjusted for variances from expectation |  | 7 | 2
Issuances | 0 | 1 |
Interest accrual | 0 | 4 |
Amortization | 0 | (1) |
Balance, end of period | $ 7 | 6 |
Effect of modeling changes |  | 0 | 0
Effect of changes in cash flow assumptions |  | 0 | (8)
Effect of actual variances from expected experience |  | $ 1 | $ 0

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- Definition Deferred Profit Liability + References No definition available. + Details
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Namespace Prefix: | fnf_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Deferred Profit Liability, Amortization + References No definition available. + Details
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Namespace Prefix: | fnf_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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- Definition Deferred Profit Liability, Before Reinsurance, After Cash Flow Change + References No definition available. + Details
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- Definition Deferred Profit Liability, Cumulative Increase (Decrease) Of Actual Variance From Expected Experience + References No definition available. + Details
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- Definition Deferred Profit Liability, Effect Of Changes In Cash Flow Assumptions + References No definition available. + Details
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- Definition Deferred Profit Liability, Effect Of Modeling Changes + References No definition available. + Details
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- Definition Deferred Profit Liability, Interest Expense + References No definition available. + Details
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- Definition Deferred Profit Liability, Issuance + References No definition available. + Details
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Namespace Prefix: | fnf_
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Balance Type: | credit
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- Definition Deferred Profit Liability Rollforward + References No definition available. + Details
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- Details
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Namespace Prefix: |
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Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
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Balance Type: |
Period Type: |