Share-Based Compensation (Market-Based Restricted Stock Awards, Valuation Assumptions) (Details) - Market-based Restricted Stock Units (PSUs) - $ / shares	9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Underlying stock price at valuation date (in usd per share)	$ 66.88	$ 77.80
Expected volatility (as a percent)	32.90%	32.00%
Risk-free interest rate (as a percent)	4.30%	4.10%