Stock Compensation - Fair-value Methods and Assumptions (Details) - $ / shares	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Share-Based Payment Arrangement [Abstract]
Weighted average grant date fair value, per share (in dollars per share)	$ 46.23	$ 39.94	$ 40.78
Expected volatility (in percent)	31.00%	29.00%	32.00%
Expected lives	6 years 1 month 6 days	6 years 4 months 24 days	6 years 8 months 12 days
Risk-free interest rates (in percent)	3.60%	1.83%	0.72%
Expected dividend yields (in percent)	2.86%	2.64%	2.41%