Acquisitions and Dispositions of Businesses - Schedule of Net Assets Acquired (Details) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2022	Dec. 31, 2021
Assets acquired
Goodwill	$ 8,295	$ 8,434
2022 And 2021 Acquisitions
Business Acquisition [Line Items]
Cash	145
Deferred and contingent consideration	5
Aggregate consideration transferred	150
Assets acquired
Goodwill	78
Intangible assets	69
Other assets	22
Total assets acquired	169
Liabilities assumed:
Total liabilities assumed	19
Net assets acquired	150
Cash and cash equivalents	$ 2