Acquisitions and Dispositions (Pro-Forma Information) (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Business Combination, Asset Acquisition, Transaction between Entities under Common Control, and Joint Venture Formation [Abstract]
Revenue	$ 19	$ 82	$ 34	$ 144
Operating income (loss)	2	(2)	5	(5)
Revenue	6,362	6,106	20,438	19,764
Net income attributable to the Company	$ 749	$ 732	$ 3,349	$ 3,264
Basic net income per share attributable to the Company (in dollars per share)	$ 1.52	$ 1.49	$ 6.81	$ 6.63
Diluted net income per share attributable to the Company (in dollars per share)	$ 1.52	$ 1.48	$ 6.77	$ 6.58