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Acquisitions - Additional Information (Details) - USD ($) $ in Millions		3 Months Ended	9 Months Ended	12 Months Ended
	Jul. 02, 2024	Sep. 30, 2024	Sep. 30, 2024	Dec. 31, 2023
Customer relationships
Business Acquisition [Line Items]
Weighted average amortization periods (in years)			19 years 1 month 6 days	19 years
Trademarks
Business Acquisition [Line Items]
Weighted average amortization periods (in years)			14 years	14 years 6 months
CoverFlexx Group
Business Acquisition [Line Items]
Consideration transferred	$ 290
Goodwill income tax deduction		$ 95	$ 95
Acquisition cost expensed		3	3
Identifiable intangible assets	$ 144	144	$ 144
Weighted average amortization periods (in years)			18 years 4 months 24 days
CoverFlexx Group \| Customer relationships
Business Acquisition [Line Items]
Identifiable intangible assets		123	$ 123
CoverFlexx Group \| Trademarks
Business Acquisition [Line Items]
Identifiable intangible assets		16	16
CoverFlexx Group \| Developed Technology Rights
Business Acquisition [Line Items]
Identifiable intangible assets		$ 5	$ 5