Acquisitions - Schedule of Business Combination, Recognized Asset Acquired and Liability Assumed (Details) - USD ($) $ in Millions	Sep. 30, 2025	Apr. 30, 2025	Dec. 31, 2024
Business Combination [Line Items]
Goodwill	$ 3,702		$ 3,272
Care TopCo Pty Ltd
Business Combination [Line Items]
Cash		$ 8
Other current assets		12
Property, plant and equipment		13
Other assets		4
Other intangible assets		58
Goodwill		214
Total liabilities		(8)
Fair value of net assets acquired		$ 301