Income Taxes, U.S. statutory federal tax rate (Details)	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Differences between the U.S. statutory federal tax rate and the Company's effective income tax rate
U.S. statutory federal tax rate (as a percent)	21.00%	21.00%	21.00%
State and local taxes (as a percent)	0.60%	0.60%	0.60%
Foreign earnings and dividends taxed at different rates (as a percent)	1.90%	2.20%	2.30%
U.S. tax on foreign income (as a percent)	(0.10%)	0.00%	0.50%
Excess tax benefits related to stock-based compensation (as a percent)	(4.70%)	(3.40%)	(2.30%)
Other, net (as a percent)	0.20%	0.30%	0.20%
Effective tax rate (as a percent)	18.90%	20.70%	22.30%