SUMMARY OF SIGNIFICANT ACCOUNTING - EARNINGS PER SHARE - USD ($) $ / shares in Units, shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income [Abstract]
Net earnings, basic	$ 2,377.3	$ 1,556.1	$ 823.8
Net earnings, diluted	$ 2,377.3	$ 1,556.1	$ 823.8
Shares [Abstract]
Outstanding shares, basic (in shares)	96.7	97.3	97.9
Dilutive effect of stock options (in shares)	0.8	0.7	0.7
Outstanding shares, diluted (in shares)	97.5	98.0	98.6
Per Share Amount [Abstract]
Earnings Per Share, Basic	$ 24.60	$ 15.99	$ 8.42
Diluted earnings per share (in dollars per share)	$ 24.39	$ 15.88	$ 8.35
Stock Options (in shares)	0.1	0.2	0.2