Income Taxes (Reconciliation Of The Statutory U.S. Federal Rate To The Effective Tax Rate) (Details)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Tax Disclosure [Abstract]
Statutory U.S. federal tax rate	21.00%	21.00%	21.00%
Income taxed at non-U.S. rates	0.20%	(3.40%)	3.10%
Non-U.S. income inclusion, net of tax credits	(1.60%)	2.50%	4.00%
State and local taxes, net of federal benefit	0.20%	0.30%	2.30%
U.S. research and development tax credit	(0.60%)	(2.50%)	(2.00%)
U.S. deduction for foreign - derived intangible income	(1.00%)	(0.40%)	(5.70%)
Other	(0.80%)	1.60%	(1.00%)
Effective tax rate	17.40%	19.10%	21.70%