Income Taxes (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Income (loss) from continuing operations before income taxes and minority interest
Domestic	$ (54,715)	$ (105,036)	$ (427,664)
Foreign	2,149,538	960,941	55,037
Total income (loss) before income taxes	$ 2,094,823	$ 855,905	$ (372,627)