Acquisitions and Dispositions (Pro-Forma Information) (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Business Combination and Asset Acquisition [Abstract]
Revenue	$ 5,550	$ 5,156
Net income attributable to the Company	$ 1,071	$ 987
Basic net income per share attributable to the Company (in dollars per share)	$ 2.13	$ 1.94
Diluted net income per share attributable to the Company (in dollars per share)	$ 2.10	$ 1.92