Income Taxes (Reconciliation of the U.S. Statutory Income Tax Rate to Effective Tax Rate) (Details)		12 Months Ended
		Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Income Taxes [Abstract]
Statutory U.S. income tax rate		21.00%	21.00%	35.00%
State income tax, net of federal effect		0.60%	0.90%	0.80%
Global intangible low-taxed income	[1]	1.20%	3.60%
Foreign derived intangible income	[1]	(8.50%)	(0.60%)
Repatriation tax on accumulated previously untaxed foreign earnings			(1.20%)	67.40%
Remeasurement of deferred tax assets and liabilities		(0.60%)	(0.10%)	21.00%
Rate difference on foreign earnings		5.40%	(2.30%)	(3.90%)
IRS settlements		8.50%	11.50%
Valuation allowance		(3.70%)	(3.80%)	6.80%
Tax credit	[1]	(2.80%)	(0.70%)	(0.40%)
Non-deductible expenses		2.10%
Other items, net		(2.10%)	0.80%	3.30%
Effective income tax rate		21.10%	29.10%	130.00%

[1] Including a change in estimate from prior year.