Income Taxes (Narrative) (Details) - USD ($)	1 Months Ended	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Income Tax Examination [Line Items]
Cash dividend paid to parent				$ 650,000,000
Income tax expense (benefit)		$ (1,026,490,000)	$ 227,297,000	584,550,000
Decrease in deferred tax asset valuation allowance		12,057,000
Undistributed earnings of subsidiaries considered indefinitely invested	$ 2,866,000,000	2,866,000,000
Unrecognized deferred tax liability	$ 440,000,000	$ 440,000,000
Withholding tax on any monies repatriated from Canada to the U.S.	5.00%	5.00%
Other recorded liabilities for interest and penalties	$ 233,000	$ 233,000	142,000
Income tax expense, (charges) net benefits for interest and penalties		91,000	$ 4,000	$ 829,000
Expected liability to be added for uncertain taxes during next twelve months	1,000,000	1,000,000
Expected liability to be added for uncertain taxes during next twelve months	2,000,000	$ 2,000,000
United States [Member]
Income Tax Examination [Line Items]
Earliest year remaining open for audit and/or settlement in major taxing jurisdictions		2011
Canada [Member]
Income Tax Examination [Line Items]
Earliest year remaining open for audit and/or settlement in major taxing jurisdictions		2008
Malaysia [Member]
Income Tax Examination [Line Items]
Earliest year remaining open for audit and/or settlement in major taxing jurisdictions		2008
United Kingdom [Member]
Income Tax Examination [Line Items]
Earliest year remaining open for audit and/or settlement in major taxing jurisdictions		2014
Subsidiary [Member]
Income Tax Examination [Line Items]
Dividend payable to parent company	2,000,000,000
Cash dividend paid to parent	800,000,000
Note payable, parent	1,200,000,000	$ 1,200,000,000
Note payable	$ 1,200,000,000	$ 1,200,000,000
Note term		10 years
Income tax expense (benefit)		$ 188,461,000
Block H Development Plan [Member]
Income Tax Examination [Line Items]
Decrease in deferred tax asset valuation allowance		$ 43,206,000
Foreign Country [Member] | Minimum [Member]
Income Tax Examination [Line Items]
Foreign tax credit carryforwards expiration year		2016
Foreign Country [Member] | Maximum [Member]
Income Tax Examination [Line Items]
Foreign tax credit carryforwards expiration year		2025