Earnings Per Share, Dividends and Dilution (Details 1) - $ / shares shares in Millions	1 Months Ended				12 Months Ended
	May 31, 2023	May 31, 2022	May 31, 2021	May 31, 2020	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Earnings Per Share [Abstract]
Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements					0.5	0.7	0.6
Common stock dividend (in dollars per share)	$ 1.87	$ 1.73	$ 1.57	$ 1.45	$ 7.34	$ 6.76	$ 6.16
Increase (Decrease) in Stock Dividend, Percentage	8.00%	10.00%	8.00%