Income Taxes (Effective Income Tax Reconciliation) (Details)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Income Tax Disclosure [Abstract]
U.S. federal corporate tax rate	21.00%	21.00%	35.00%
Tax on international operations other than U.S. tax rate	2.70%	4.80%	(4.50%)
Reversal of prior valuation allowance	0.00%	0.00%	(0.50%)
Adjustments to reserves for unrecognized tax benefits	0.40%	0.20%	(0.20%)
U.S. tax on international earnings, net of foreign tax credits	0.40%	0.20%	0.10%
State income taxes, net of federal tax effect	1.40%	2.30%	0.20%
U.S. research and development credits	(1.00%)	(0.90%)	(0.80%)
Excess tax benefits on share-based payments	(3.50%)	(6.00%)	14.10%
Impact of 2017 Tax Act	0.00%	(2.90%)	15.90%
Tax on undistributed earnings of subsidiaries	(0.20%)	(1.30%)	4.40%
Venezuela deconsolidation	0.00%	0.00%	1.70%
Other business credits and Section 199 Deduction	0.00%	0.00%	(0.60%)
Other	(1.00%)	0.20%	(0.20%)
Effective tax rate	20.20%	17.20%	36.40%