Line Of Credit Facility, Terminated

No definition available.

Name:	fnf_LineOfCreditFacilityTerminated
Namespace Prefix:	fnf_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- 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.

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Balance Type:	na
Period Type:	duration

- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
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-Section 55
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+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
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-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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Balance Type:	na
Period Type:	instant

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
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-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The cash inflow from a borrowing with the highest claim on the assets of the entity in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle, if longer).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of cash outflow for payment of an obligation from a lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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+ Details

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Namespace Prefix:	us-gaap_
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Balance Type:	credit
Period Type:	duration

- Details

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- Details

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- Details

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Basis of Financial Statements - Recent Developments (Details) - USD ($)	Sep. 15, 2020	Oct. 29, 2020	Jun. 01, 2020	Apr. 22, 2020
F&G \| Revolving Credit Facility
Business Acquisition [Line Items]
Line of credit facility			$ 250,000,000
F&G \| Revolving Credit Facility \| Subsequent Event
Business Acquisition [Line Items]
Terminated credit facility		$ 250,000,000
2.45% Senior Notes Due March 2031
Business Acquisition [Line Items]
Debt instrument, interest rate, stated percentage	2.45%
Aggregate principal amount	$ 600,000,000
Proceeds from issuance of senior notes	593,000,000
Amended Revolving Credit Facility \| Revolving Credit Facility \| Line of Credit \| Subsequent Event
Business Acquisition [Line Items]
Line of credit facility		$ 800,000,000
Term Loan Credit Agreement \| Term Loan
Business Acquisition [Line Items]
Line of credit facility				$ 1,000,000,000.0
Repayments of all outstanding indebtedness under term loan credit agreement	$ 260,000,000