Business Acquisitions, Dispositions, Goodwill and Intangible Assets - Narrative (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Dec. 31, 2024
Goodwill [Line Items]
Investments in businesses, net of cash acquired	$ 36	$ 30
Intangible assets cost	2,082		$ 2,006
Intangible assets, accumulated amortization	1,756		1,695
Amortization of intangible assets	15	$ 15
Assets held for sale	20		38
Liabilities held for sale	11		9
Non-US
Goodwill [Line Items]
Disposal group, including discontinued operation, assets	8		25
Disposal group, including discontinued operation, liabilities	11		$ 9
Business disposals	$ 10