Income Taxes (Statutory Tax Rate to Effective Tax Rate Reconciliation) (Details)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Income Tax Disclosure [Abstract]
Statutory tax rate	35.00%	35.00%	35.00%
State income taxes and credits	1.00%	1.10%	1.10%
Foreign rate differential	(13.00%)	(7.50%)	(13.10%)
Other foreign items	1.20%	(2.00%)	2.60%
Uncertain tax positions	(0.60%)	(3.40%)	(4.50%)
Foreign tax credits, net	(2.60%)	(3.20%)	(5.70%)
Valuation allowance	4.70%	2.90%	(0.20%)
Clean energy and research credits	(5.70%)	(2.50%)	(0.40%)
Other	(3.80%)	(0.40%)	2.90%
Effective tax rate	16.20%	20.00%	17.70%