Per Share Data (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Earnings Per Share [Abstract]
Net income before non-controlling interests	$ 1,047	$ 978	$ 2,299	$ 2,064
Less: Net income attributable to non-controlling interests	12	11	29	26
Net income attributable to the Company	$ 1,035	$ 967	$ 2,270	$ 2,038
Basic weighted average common shares outstanding (in shares)	495	501	495	502
Dilutive effect of potentially issuable common shares (in shares)	4	5	4	6
Diluted weighted average common shares outstanding (in shares)	499	506	499	508
Average stock price used to calculate common stock equivalents (in dollars per share)	$ 177.33	$ 160.43	$ 172.13	$ 158.96