Equity Incentive Program - Assumptions Used in Determining the Fair Value of the SARs (Details) - $ / shares	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Stock Appreciation Rights (SARs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Risk-free interest rate	3.91%	1.86%
Dividend yield	1.32%	1.25%
Expected life (years)	5 years 4 months 24 days	5 years 4 months 24 days
Volatility	30.65%	29.46%
Grant price (in dollars per share)	$ 153.25	$ 160.21
Fair value per share at date of grant (in dollars per share)	$ 47.27	$ 42.07
Performance Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Risk-free interest rate	4.28%	1.68%
Dividend yield	1.32%	1.25%
Expected life (years)	2 years 10 months 24 days	2 years 10 months 24 days
Volatility	27.30%	31.10%
Grant price (in dollars per share)	$ 153.25	$ 160.21
Fair value per share at date of grant (in dollars per share)	$ 249.48	$ 196.40