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Schedule II - Condensed Financial Information - Balance Sheets (Parent Company) (Details) - USD ($) $ in Millions | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | --- | ---
ASSETS |  |  |
Cash | $ 2,767 | $ 2,286 |
Other long-term investments | 2,119 | 2,590 |
Investments in unconsolidated affiliates | 3,334 | 2,642 |
Notes receivable | 442 | 467 |
Property and equipment, net | 168 | 179 |
Prepaid expenses and other assets | 1,900 | 2,068 |
Total assets | 80,614 | 65,143 | $ 61,330
Liabilities: |  |  |
Accounts payable and accrued liabilities | 3,009 | 2,326 |
Income taxes payable | 0 | 0 |
Deferred tax liability | 29 | 71 |
Notes payable | 3,887 | 3,238 |
Total liabilities | $ 73,154 | $ 58,574 |
Common stock, shares, outstanding (in shares) | 273,251,449 | 272,309,890 |
Equity [Abstract] |  |  |
FNF common stock, $0.0001 par value; authorized 600,000,000 shares as of December 31, 2023 and December 31, 2022; outstanding of 273,366,235 and 279,064,457 as of December 31, 2023 and December 31, 2022, respectively, and issued of 329,185,916 and 327,757,349 as of December 31, 2023 and December 31, 2022, respectively | $ 0 | $ 0 |
Preferred stock, $0.0001 par value; authorized 50,000,000 shares; issued and outstanding, none | 0 | 0 |
Additional paid-in capital | 5,913 | 5,870 |
Retained earnings | 5,244 | 5,225 |
Accumulated other comprehensive earnings | (2,119) | (2,870) |
Treasury stock | (2,130) | (2,109) |
Total Fidelity National Financial, Inc. shareholders’ equity | 6,908 | 6,116 |
Total liabilities and equity | $ 80,614 | $ 65,143 |
Treasury stock (in shares) | 55,934,467 | 55,447,459 |
Parent Company |  |  |
ASSETS |  |  |
Cash | $ 397 | $ 406 |
Short-term investments | 487 | 532 |
Other long-term investments | 0 | 36 |
Equity securities | 0 | 1 |
Investments in unconsolidated affiliates | 3 | 3 |
Notes receivable | 268 | 303 |
Investments in and amounts due from subsidiaries | 7,949 | 7,290 |
Property and equipment, net | 3 | 2 |
Prepaid expenses and other assets | 318 | 244 |
Total assets | 9,425 | 8,817 |
Liabilities: |  |  |
Accounts payable and accrued liabilities | 358 | 291 |
Income taxes payable | 0 | 0 |
Deferred tax liability | 29 | 71 |
Notes payable | 2,126 | 2,123 |
Total liabilities | $ 2,513 | $ 2,485 |
Common stock, shares, outstanding (in shares) | 273,366,235 | 279,064,457 |
Equity [Abstract] |  |  |
Preferred stock, $0.0001 par value; authorized 50,000,000 shares; issued and outstanding, none | $ 0 | $ 0 |
Additional paid-in capital | 5,913 | 5,870 |
Retained earnings | 5,244 | 5,225 |
Accumulated other comprehensive earnings | (2,119) | (2,870) |
Treasury stock | (2,126) | (1,893) |
Total Fidelity National Financial, Inc. shareholders’ equity | 6,912 | 6,332 |
Total liabilities and equity | $ 9,425 | $ 8,817 |
Treasury stock (in shares) | 55,819,681 | 48,692,892 |
Parent Company | FNF Common Stock |  |  |
Equity [Abstract] |  |  |
FNF common stock, $0.0001 par value; authorized 600,000,000 shares as of December 31, 2023 and December 31, 2022; outstanding of 273,366,235 and 279,064,457 as of December 31, 2023 and December 31, 2022, respectively, and issued of 329,185,916 and 327,757,349 as of December 31, 2023 and December 31, 2022, respectively | $ 0 | $ 0 |

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- Definition The amount allocated to treasury stock. Treasury stock is common and preferred shares of an entity that were issued, repurchased by the entity, and are held in its treasury. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 50 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481520/505-30-50-4 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481549/505-30-45-1 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.29,30) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 + Details
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