Acquisitions and Dispositions (Pro-Forma Information) (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Business Combination and Asset Acquisition [Abstract]
Revenue	$ 4,779	$ 4,652	$ 15,748	$ 14,912
Net income attributable to the Company	$ 548	$ 543	$ 2,594	$ 2,358
Basic net income per share attributable to the Company (in dollars per share)	$ 1.10	$ 1.07	$ 5.18	$ 4.65
Diluted net income per share attributable to the Company (in dollars per share)	$ 1.09	$ 1.06	$ 5.12	$ 4.59