Acquisitions and Dispositions of Businesses - Schedule of Net Assets Acquired (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2022	Dec. 31, 2021
Assets acquired
Goodwill	$ 7,979	$ 8,434
2022 And 2021 Acquisitions
Business Acquisition [Line Items]
Cash	153
Deferred and contingent consideration	6
Aggregate consideration transferred	159
Assets acquired
Goodwill	80
Intangible assets	75
Other assets	23
Total assets acquired	178
Liabilities assumed:
Total liabilities assumed	19
Net assets acquired	159
Cash and cash equivalents	$ 2