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Revenue Recognition - Narrative (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
	Sep. 30, 2024	Sep. 30, 2024	Dec. 31, 2023	Sep. 30, 2023	Dec. 31, 2022
Disaggregation of Revenue [Line Items]
Home warranty contract, period		1 year
Policy period		1 year
Revenue recognized	$ 40	$ 76
URL	94	94	$ 91
URL
Disaggregation of Revenue [Line Items]
URL	$ 366	$ 366	$ 270	$ 241	$ 166

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