Note 18 - Share Repurchase Programs (Tables)

12 Months Ended

Dec. 31, 2022

Notes Tables

Share Repurchase Program [Table Text Block]

		Number of Shares Purchased								Average Price Paid [a]
		*2022*				2021				*2022*				2021
First quarter [b]			11,014,201				6,691,421			$	249.95			$	209.50
Second quarter [c]			3,100,683				12,204,409				232.87				222.46
Third quarter [d]			9,490,339				8,604,239				221.52				210.31
Fourth quarter			3,501,667				5,837,551				201.33				233.71
Total			27,106,890				33,337,620			$	231.76			$	218.69
Remaining number of shares that may be repurchased under current authority															83,907,311