Share Based Compensation - Weighted Average and Assumptions (Details) - $ / shares	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Share-based Payment Arrangement [Abstract]
Weighted-average estimated fair value	$ 29.56	$ 22.50	$ 22.23
Quarterly dividend rate	$ 0.50	$ 0.48	$ 0.46
Expected term of stock options, in years	4 years 3 months 18 days	4 years 2 months 12 days	4 years 2 months 12 days
Risk-free interest rate	0.30%	1.30%	2.50%
Dividend yield	2.20%	2.50%	2.60%
Expected stock price volatility	34.40%	28.50%	28.90%
Present value of dividends	$ 8.61	$ 7.89	$ 7.29