Summary of Significant Accounting Policies (Basic and Diluted EPS Calculation for Continuing Operations) (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Net income before non-controlling interests	$ 4,117	$ 3,802	$ 3,087
Less: Net income attributable to non-controlling interests	57	46	37
Net income attributable to the Company	$ 4,060	$ 3,756	$ 3,050
Basic weighted average common shares outstanding (in shares)	492	494	499
Dilutive effect of potentially issuable common shares (in shares)	4	5	6
Diluted weighted average common shares outstanding (in shares)	496	499	505
Average stock price used to calculate common stock equivalents (in dollars per share)	$ 212.26	$ 182.30	$ 160.39