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Schedule II - Condensed Financial Information - Statement of Cash Flow (Parent Company) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Net Cash Provided by (Used in) Operating Activities [Abstract] |  |  |
Net earnings attributable to FNF common shareholders | $ 517 | $ 1,294 | $ 2,797
Adjustments to reconcile net earnings to net cash provided by operating activities: |  |  |
Equity in earnings of unconsolidated affiliates | (17) | (15) | (64)
Depreciation and amortization | 593 | 491 | 432
Stock-based compensation cost | 60 | 49 | 42
Net change in income taxes | (50) | 66 | 140
Net cash provided by (used in) operating activities | 6,478 | 4,355 | 4,090
Cash Flows From Investing Activities: |  |  |
Purchases of investments available for sale | (13,985) | (13,148) | (16,014)
Net purchases of short-term investment activities | 340 | (2,571) | 266
Net cash used in investing activities | (9,090) | (10,524) | (7,449)
Cash Flows From Financing Activities: |  |  |
Debt service payments | 0 | (400) | 0
Dividends paid | (500) | (489) | (446)
Purchases of treasury stock | (6) | (553) | (463)
Exercise of stock options | 15 | 39 | 48
Payment for shares withheld for taxes and in treasury | (17) | (15) | (17)
Net cash provided by financing activities | 3,093 | 4,095 | 5,000
Net change in cash and cash equivalents | 481 | (2,074) | 1,641
Cash and cash equivalents at beginning of period | 2,286 | 4,360 | 2,719
Cash and cash equivalents at end of period | 2,767 | 2,286 | 4,360
Parent Company |  |  |
Net Cash Provided by (Used in) Operating Activities [Abstract] |  |  |
Net earnings attributable to FNF common shareholders | 517 | 1,294 | 2,797
Adjustments to reconcile net earnings to net cash provided by operating activities: |  |  |
Equity in earnings of unconsolidated affiliates | 0 | 0 | (6)
Equity in earnings of subsidiaries | (606) | (1,393) | (2,875)
Depreciation and amortization | 1 | 1 | 1
Stock-based compensation cost | 57 | 48 | 43
Net change in income taxes | (262) | 748 | 65
Net (increase) decrease in prepaid expenses and other assets | (72) | 41 | (14)
Net increase in accounts payable and other accrued liabilities | 70 | (51) | 36
Net cash provided by (used in) operating activities | (295) | 688 | 47
Cash Flows From Investing Activities: |  |  |
Purchases of investments available for sale | 0 | 0 | (52)
Net purchases of short-term investment activities | 82 | (509) | (6)
Additions to notes receivable | (12) | (87) | (400)
Collections of notes receivable | 47 | 79 | 120
Net cash used in investing activities | 117 | (517) | (338)
Cash Flows From Financing Activities: |  |  |
Borrowings | 0 | 0 | 449
Debt service payments | 0 | (400) | 0
Debt issuance costs | 0 | 0 | (6)
Dividends paid | (500) | (489) | (446)
Purchases of treasury stock | (6) | (553) | (463)
Exercise of stock options | 15 | 39 | 48
Payment for shares withheld for taxes and in treasury | (17) | (15) | (17)
Additional investments in non-controlling interests | (12) | (2) | 0
Net dividends from subsidiaries | 689 | 140 | 1,266
Net cash provided by financing activities | 169 | (1,280) | 831
Net change in cash and cash equivalents | (9) | (1,109) | 540
Cash and cash equivalents at beginning of period | 406 | 1,515 | 975
Cash and cash equivalents at end of period | $ 397 | $ 406 | $ 1,515

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- Definition The net amount paid (received) by the reporting entity through acquisition or sale and maturities of short-term investments with an original maturity that is three months or less which qualify for treatment as an investing activity based on management's intention and intended by management to be liquidated, if necessary, within the current operating cycle. Includes cash flows from securities classified as trading securities that were acquired for reasons other than sale in the short-term. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 12 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-12 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 13 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-13 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 9 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-9 + Details
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- Definition The cash outflow to reacquire common stock during the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-15 + Details
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- Definition The cash outflow paid to third parties in connection with debt origination, which will be amortized over the remaining maturity period of the associated long-term debt. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (e) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-15 + Details
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- Definition Amount of cash outflow in the form of ordinary dividends to common shareholders of the parent entity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-15 + Details
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- Definition Amount of cash outflow to satisfy grantee's tax withholding obligation for award under share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 15 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-15 + Details
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- Definition Amount of cash outflow to acquire investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 11 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481830/320-10-45-11 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-13 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 11 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-11 + Details
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- Definition The cash outflow to acquire an agreement for an unconditional promise by the maker to pay the entity (holder) a definite sum of money at a future date. Such amount may include accrued interest receivable in accordance with the terms of the note. The note also may contain provisions including a discount or premium, payable on demand, secured, or unsecured, interest bearing or noninterest bearing, among myriad other features and characteristics. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-13 + Details
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- Definition Amount of cash outflow to a noncontrolling interest. Includes, but not limited to, reduction of noncontrolling interest ownership. Excludes dividends paid to the noncontrolling interest. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-15 + Details
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- Definition The cash inflow associated with principal collections from a borrowing supported by a written promise to pay an obligation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-12 + Details
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- Definition The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 3 -Subparagraph (SX 210.6-03(i)(1)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479886/946-10-S99-3 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-14 + Details
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