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Basis Of Presentation Sale of the Title Insurance Underwriter (Details) - USD ($) $ in Millions	3 Months Ended
	Jun. 30, 2022	Mar. 31, 2022	Sep. 30, 2022	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			26.00%	30.00%
Equity Method Investment, Realized Gain (Loss) on Disposal	$ 4
Title Insurance Underwriter Joint Venture | Title Group
Sale of the Title Insurance Underwriter [Line Items]
Equity Method Investment, Ownership Percentage		30.00%	26.00%	30.00%
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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