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Basis Of Presentation Sale of the Title Insurance Underwriter (Details) - Disposal Group, Disposed of by Sale, Not Discontinued Operations - Title Insurance Underwriter - USD ($) $ in Millions | 3 Months Ended |
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Mar. 31, 2022 | Mar. 29, 2022
Sale of the Title Insurance Underwriter [Line Items] |  |
Disposal Group Consideration Received |  | $ 210
Equity Method Investment, Ownership Percentage |  | 30.00%
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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