Acquisitions - Schedule of Recognized Identifiable Assets Acquired and Liabilities Assumed (Details) $ in Millions, $ in Millions	Jun. 30, 2025 USD ($)	Apr. 30, 2025 USD ($)	Apr. 30, 2025 AUD ($)	Dec. 31, 2024 USD ($)
Business Combination [Line Items]
Goodwill	$ 3,696			$ 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	$ 471