Income Taxes (Remaining Tax Years Subject to Examination) (Details)	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2013	Dec. 31, 2010	Dec. 31, 2007	Dec. 31, 2005	Dec. 31, 2004
Income Tax Examination
Income Tax Examination, Year under Examination				2007	2005	2004
Minimum
Income Tax Examination
Income Tax Examination, Year under Examination			2010
Minimum | United States
Income Tax Examination
Income Tax Examination, Year under Examination	2014
Minimum | United Kingdom
Income Tax Examination
Income Tax Examination, Year under Examination	2012
Minimum | Brazil
Income Tax Examination
Income Tax Examination, Year under Examination	2011
Minimum | Korea
Income Tax Examination
Income Tax Examination, Year under Examination	2014
Minimum | China
Income Tax Examination
Income Tax Examination, Year under Examination	2007
Maximum
Income Tax Examination
Income Tax Examination, Year under Examination		2013
Maximum | United States
Income Tax Examination
Income Tax Examination, Year under Examination	2016
Maximum | United Kingdom
Income Tax Examination
Income Tax Examination, Year under Examination	2016
Maximum | Brazil
Income Tax Examination
Income Tax Examination, Year under Examination	2016
Maximum | Korea
Income Tax Examination
Income Tax Examination, Year under Examination	2016
Maximum | China
Income Tax Examination
Income Tax Examination, Year under Examination	2016