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, 2022	Mar. 31, 2021
Earnings Per Share [Abstract]
Net income before non-controlling interests	$ 1,086	$ 998
Less: Net income attributable to non-controlling interests	15	15
Net income attributable to the Company	$ 1,071	$ 983
Basic weighted average common shares outstanding (in shares)	503	509
Dilutive effect of potentially issuable common shares (in shares)	6	5
Diluted weighted average common shares outstanding (in shares)	509	514
Average stock price used to calculate common stock equivalents (in dollars per share)	$ 157.49	$ 114.96