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Note 16 - Stockholders' Equity (Details Textual) - USD ($) $ / shares in Units, $ in Millions									1 Months Ended			12 Months Ended
	Feb. 14, 2024	Dec. 14, 2023	Oct. 25, 2023	Jul. 26, 2023	Apr. 25, 2023	Mar. 07, 2023	Feb. 14, 2023	Dec. 14, 2022	Feb. 21, 2024	Dec. 31, 2023	Feb. 28, 2023	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Mar. 31, 2023	Nov. 08, 2022
Common Stock, Shares Authorized (in shares)										2,000,000,000		2,000,000,000	2,000,000,000
Share Price (in dollars per share)										$ 238.86		$ 238.86	$ 176.42	$ 228.73
Preferred Stock, Shares Authorized (in shares)										80,000,000		80,000,000
Preferred Stock, Par or Stated Value Per Share (in dollars per share)										$ 0.001		$ 0.001
Preferred Stock, Shares Issued (in shares)										0		0	0
Common Stock, Dividends, Per Share, Declared (in dollars per share)			$ 0.34	$ 0.34	$ 0.34		$ 0.34
Payments of Dividends, Total												$ 196.8	$ 195.2	$ 188.2
Treasury Stock, Shares, Acquired (in shares)												12,849,921	8,600,963	2,545,191
Treasury Stock, Value, Acquired, Cost Method													$ 1,662.5	$ 475.0
Treasury Stock, Shares, Total (in shares)										400,694,309		400,694,309	389,301,902
Common Stock Reissued (in shares)												1,457,514	1,650,460	1,379,304
Common Stock, Weighted Average Price (in dollars per share)										$ 19.5		$ 19.5	$ 14.25	$ 11.78
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares)												540,221	1,350,159	620,241
Subsequent Event [Member]
Common Stock, Dividends, Per Share, Declared (in dollars per share)	$ 0.39
Accelerated Share Repurchase ("ASR") Agreement [Member]
Stock Repurchase Program, Authorized Amount										$ 250.0		$ 250.0	$ 250.0		$ 2,500.0
Treasury Stock, Shares, Acquired (in shares)						10,655,301		1,168,224		873,479
Treasury Stock Acquired, Average Cost Per Share (in dollars per share)										$ 243.28
Treasury Stock Acquired, Average Cost Per Share (in dollars per share)										$ 243.28
Treasury Stock, Value, Acquired, Cost Method		$ 250.0
Treasury Stock, Percentage of Aggregate Purchase Price										85.00%		85.00%
Accelerated Share Repurchase ("ASR") Agreement [Member] | Subsequent Event [Member]
Treasury Stock, Shares, Acquired (in shares)									178,227
Treasury Stock Acquired, Average Cost Per Share (in dollars per share)									$ 237.71
Treasury Stock Acquired, Average Cost Per Share (in dollars per share)									$ 237.71
Share Repurchase Programs [Member]
Treasury Stock, Shares, Acquired (in shares)										865,232	247,487	12,849,921
Treasury Stock Acquired, Average Cost Per Share (in dollars per share)										$ 217	$ 176.68	$ 219.96
Treasury Stock Acquired, Average Cost Per Share (in dollars per share)										$ 217	$ 176.68	$ 219.96
Stock Repurchase Program, Remaining Authorized Repurchase Amount										$ 641.5		$ 641.5
Additonal Repurchase Authorization Shares Upon Sale of Energy Business [Member]
Stock Repurchase Program, Authorized Amount																$ 3,000.0

X

- Definition

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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