Supplemental Share Information (Parenthetical) - shares	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Increase (decrease) in equity
Treasury stock, beginning balance (in shares)	394,787,951	372,187,578	366,283,418
Reacquired stock (in shares)	290,379	10,865,635	11,834,681
Split-off of Food Safety business (in shares)	0	15,989,536	0
Issuances pursuant to stock options and benefit plans (in shares)	(3,626,410)	(4,254,798)	(5,930,521)
Treasury stock, ending balance (in shares)	391,451,920	394,787,951	372,187,578