Equity Incentive Program - Assumptions Used in Determining the Fair Value of the SARs (Details) - $ / shares	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Stock Appreciation Rights (SARs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Risk-free interest rate	3.66%	4.35%
Dividend yield	0.90%	1.02%
Expected life (years)	5 years 6 months	5 years 6 months
Volatility	23.47%	30.50%
Grant price (in dollars per share)	$ 231.63	$ 202.33
Fair value per share at date of grant (in dollars per share)	$ 61.59	$ 66.39
Performance Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Risk-free interest rate	3.39%	4.21%
Dividend yield	0.90%	1.02%
Expected life (years)	2 years 10 months 24 days	2 years 10 months 24 days
Volatility	25.10%	23.10%
Grant price (in dollars per share)	$ 231.63	$ 202.33
Fair value per share at date of grant (in dollars per share)	$ 403.67	$ 318.38