Share-Based Compensation Plans - RTSR fair value assumptions (Details) - RTSR	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Dividend yield	3.00%	2.90%	2.30%
Volatility, as a percent	32.00%	37.30%	44.00%
Risk-free interest rate	4.60%	1.70%	0.30%
Expected life in years	2 years 9 months 18 days	2 years 9 months 18 days	2 years 9 months 18 days