Per Share Data (Basic and Diluted EPS Calculation Continuing Operations) (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Earnings Per Share [Abstract]
Net income before non-controlling interests	$ 1,252	$ 1,086
Less: Net income attributable to non-controlling interests	17	15
Net income attributable to the Company	$ 1,235	$ 1,071
Basic weighted average common shares outstanding (in shares)	495	503
Dilutive effect of potentially issuable common shares (in shares)	5	6
Diluted weighted average common shares outstanding (in shares)	500	509
Average stock price used to calculate common stock equivalents (in dollars per share)	$ 166.93	$ 157.49