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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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