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Investments, Equity Method and Joint Ventures (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Jun. 30, 2022 | Mar. 31, 2022 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020 | Mar. 29, 2022
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |
Equity Method Investments |  |  | $ 184 | $ 131 |  |
Equity in losses (earnings) of unconsolidated entities |  |  | 28 | (48) | $ (131) |
Dividends received from unconsolidated entities |  |  | 3 | 51 | 101 |
Payments to Acquire Equity Method Investments |  |  | 22 | 39 | 5 |
Title Group |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |
Equity Method Investments |  |  | 157 | 102 |  |
Noncash or Part Noncash Acquisition, Investments Acquired |  | $ 90 |  |  |  |
Guaranteed Rate Affinity | Title Group |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |
Equity Method Investments |  |  | 72 | 94 |  |
Equity in losses (earnings) of unconsolidated entities |  |  | 22 | (49) | (126) |
Dividends received from unconsolidated entities |  |  | $ 0 | 44 | 96 |
Equity Method Investment, Ownership Percentage |  |  | 49.90% |  |  |
Title Insurance Underwriter Joint Venture |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |
Equity Method Investment, Ownership Percentage |  |  | 26.00% |  |  | 30.00%
Equity Method Investment, Realized Gain (Loss) on Disposal | $ 4 |  |  |  |  |
Title Insurance Underwriter Joint Venture | Title Group |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |
Equity Method Investments |  |  | $ 75 | 0 |  |
Equity in losses (earnings) of unconsolidated entities |  |  | $ (6) |  |  |
Dividends received from unconsolidated entities |  | $ 12 |  |  |  |
Equity Method Investment, Ownership Percentage |  | 30.00% | 26.00% |  |  |
Other Title Group's Equity Method Investments | Title Group |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |
Equity Method Investments |  |  | $ 10 | 8 |  |
Equity in losses (earnings) of unconsolidated entities |  |  | (5) | (6) | (5) |
Dividends received from unconsolidated entities |  |  | 3 | 7 | 5 |
Owned Brokerage Group's Equity Method Investments | Owned Brokerage Group |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |
Equity Method Investments |  |  | 27 | 29 |  |
Equity in losses (earnings) of unconsolidated entities |  |  | 17 | 7 | 0 |
Payments to Acquire Equity Method Investments |  |  | 19 | $ 34 | $ 2 |
RealSure Joint Venture | Owned Brokerage Group |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |
Other than Temporary Impairment Losses, Investments |  |  | $ (4) |  |  |
Equity Method Investment, Ownership Percentage |  |  | 49.00% |  |  |
Real Estate Auction Joint Venture | Owned Brokerage Group |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |
Equity Method Investment, Ownership Percentage |  |  | 50.00% |  |  |

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