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Basis Of Presentation Sale of the Title Insurance Underwriter (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended |  |
--- | --- | --- | --- | ---
Mar. 31, 2023 | Sep. 30, 2022 | Jun. 30, 2022 | Jun. 30, 2023 | Mar. 29, 2022
Title Group |  |  |  |  |
Sale of the Title Insurance Underwriter [Line Items] |  |  |  |  |
Noncash or Part Noncash Acquisition, Investments Acquired |  |  | $ 90 |  |
Title Insurance Underwriter Joint Venture |  |  |  |  |
Sale of the Title Insurance Underwriter [Line Items] |  |  |  |  |
Equity Method Investment, Ownership Percentage |  |  |  |  | 30.00%
Equity Method Investment, Realized Gain (Loss) on Disposal | $ 1 | $ 4 |  |  |
Title Insurance Underwriter Joint Venture | Title Group |  |  |  |  |
Sale of the Title Insurance Underwriter [Line Items] |  |  |  |  |
Equity Method Investment, Ownership Percentage |  |  | 26.00% | 25.00% |
Disposal Group, Disposed of by Sale, Not Discontinued Operations | Title Insurance Underwriter |  |  |  |  |
Sale of the Title Insurance Underwriter [Line Items] |  |  |  |  |
Disposal Group Consideration Received |  |  |  |  | $ 210
Disposal Group Cash Consideration Received |  |  |  |  | 208
Net Assets Disposed |  |  |  |  | (166)
Disposal Group, Including Discontinued Operation, Cash and Cash Equivalents |  |  |  |  | 152
Disposal Group, Including Discontinued Operation, Goodwill, Noncurrent |  |  |  |  | $ 32
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal |  |  | $ (131) |  |

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