XML 102 R90.htm IDEA: XBRL DOCUMENT v3.22.0.1
Note 17 - Compensation Plans - Summary of Stock Activity (Details) - USD ($)
$ / shares in Units, $ in Millions
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Outstanding beginning balance, options (in shares) 5,611,777 6,432,814 6,820,046  
Outstanding beginning balance, options, weighted average exercise price (in dollars per share) $ 98.28 $ 79.51 $ 67.27  
Outstanding, options, aggregate intrinsic value $ 572.6 $ 613.4 $ 449.2 $ 284.9
Number of options, granted (in shares) 750,822 936,843 920,398  
Granted, options, weighted average exercise price (in dollars per share) $ 189.29 $ 159.28 $ 135.64  
Dividend reinvestment, options (in shares) 0 0 0  
Dividend reinvestment, options, weighted average exercise price (in (in dollars per share) $ 0 $ 0 $ 0  
Exercised or lapsed, options (in shares) (1,146,422) (1,623,740) (1,131,970)  
Exercised or lapsed, options, weighted average exercise price (in dollars per share) $ 73.30 $ 56.83 $ 51.20  
Exercised or lapsed, options, aggregate intrinsic value $ 147.6 $ 189.8 $ 101.0  
Canceled, expired or forfeited, option (in shares) (149,079) (134,140) (175,660)  
Canceled, expired or forfeited, options, weighted average exercise price (in dollars per share) $ 155.40 $ 125.95 $ 92.27  
Outstanding beginning balance, options, weighted average exercise price (in dollars per share) 115.73 98.28 79.51  
Outstanding beginning balance, options, weighted average exercise price (in dollars per share) $ 115.73 $ 98.28 $ 79.51 $ 67.27
Outstanding, option (in shares) 5,067,098 5,611,777 6,432,814  
Exercisable, options (in shares) 3,173,592 3,494,164    
Exercisable, options, weighted average exercise price (in dollars per share) $ 89.14 $ 76.84    
Exercisable, options, aggregate intrinsic value $ 443.0 $ 456.9    
Nonvested, options (in shares) 1,893,506 2,117,613 2,256,959 2,459,929
Expected to vest, options (in shares) 1,641,393      
Restricted Stock [Member]        
Outstanding beginning balance, number of shares (in shares) 390,054 428,729 533,335  
Outstanding beginning balance, weighted average exercise price (in dollars per share) $ 131.63 $ 107.96 $ 88.55  
Granted, number of shares (in shares) 162,378 163,441 167,231  
Granted, weighted average exercise price (in dollars per share) $ 189.23 $ 159.96 $ 135.82  
Dividend reinvestment, number of shares (in shares) 0 0 0  
Dividend reinvestment (in dollars per share) $ 0 $ 0 $ 0  
Exercised or lapsed, number of shares (in shares) (173,726) (178,317) (242,815)  
Exercised or lapsed, weighted average exercise price (in dollars per share) $ 120.94 $ 102.00 $ 84.60  
Canceled, expired or forfeited, number of shares (in shares) (27,202) (23,799) (29,022)  
Canceled, expired or forfeited, weighted average exercise price (in dollars per share) $ 157.79 $ 124.40 $ 109.72  
Outstanding ending balance, number of shares (in shares) 351,504 390,054 428,729  
Outstanding ending balance, weighted average exercise price (in dollars per share) $ 161.33 $ 131.63 $ 107.96  
Outstanding ending balance, number of shares (in shares) 351,504 390,054 428,729 533,335
Outstanding ending balance, weighted average exercise price (in dollars per share) $ 161.33 $ 131.63 $ 107.96 $ 88.55
Expected, number of shares (in shares) 305,607      
Performance Shares [Member]        
Outstanding beginning balance, number of shares (in shares) 145,609 93,960 42,050  
Outstanding beginning balance, weighted average exercise price (in dollars per share) $ 170.75 $ 158.50 $ 140.70  
Granted, number of shares (in shares) 59,144 50,736 51,792  
Granted, weighted average exercise price (in dollars per share) $ 210.07 $ 192.93 $ 173.59  
Dividend reinvestment, number of shares (in shares) 980 913 550  
Exercised or lapsed, number of shares (in shares) (42,610) 0 0  
Exercised or lapsed, weighted average exercise price (in dollars per share) $ 140.70 $ 0    
Canceled, expired or forfeited, number of shares (in shares) 0 0 (432)  
Canceled, expired or forfeited, weighted average exercise price (in dollars per share)   $ 0 $ 134.24  
Outstanding ending balance, number of shares (in shares) 163,123 145,609 93,960  
Outstanding ending balance, weighted average exercise price (in dollars per share) $ 192.99 $ 170.75 $ 158.50  
Outstanding ending balance, number of shares (in shares) 163,123 145,609 93,960 42,050
Outstanding ending balance, weighted average exercise price (in dollars per share) $ 192.99 $ 170.75 $ 158.50 $ 140.70
Outstanding at December 31, 2021 (in shares) 163,123      
Expected, number of shares (in shares) [1] 181,817      
[1] Includes estimated performance achievement