Income Taxes (Narrative) (Details) (USD $)	3 Months Ended	12 Months Ended				3 Months Ended		12 Months Ended
	Dec. 31, 2012	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2013 Venezuela [Member]	Dec. 31, 2013 Foreign [Member]	Dec. 31, 2013 Minimum [Member]	Dec. 31, 2013 Minimum [Member] Foreign [Member]	Dec. 31, 2013 Maximum [Member]	Dec. 31, 2013 Maximum [Member] Foreign [Member]
Deferred Tax Assets, Operating Loss Carryforwards		$ 756,100,000
Valuation allowance	627,400,000	783,400,000	627,400,000				717,600,000
Foreign tax credit carryforwards	356,000,000	585,400,000	356,000,000				585,400,000
Tax Credit Carryforward, Expiration Date									Jan. 01, 2018		Dec. 31, 2023
Additional provision for income taxes for no longer asserting indefinite reinvestment	168,300,000
Deferred Tax Liabilities, Undistributed Foreign Earnings	224,800,000	142,800,000	224,800,000
Undistributed earnings of foreign subsidiaries	3,100,000,000	2,600,000,000	3,100,000,000
Change in deferred tax liability associated with undistributed earnings		(81,900,000)
Net increase in valuation allowance		156,000,000				41,800,000
U.S. tax cost on foreign earnings		9,900,000	156,800,000	24,700,000
Foreign tax loss carryforwards							2,519,800,000
Operating Loss Carryforwards, Expiration Dates								Jan. 01, 2014		Dec. 31, 2028
Deferred Tax Assets, Operating Loss Carryforwards, Subject to Expiration		197,200,000
Deferred Tax Assets, Operating Loss Carryforwards, Not Subject to Expiration							2,322,600,000
Minimum tax credit carryforwards		37,900,000
Deferred Tax Assets, Tax Credit Carryforwards, General Business		15,300,000
Capital Loss Carryforwards Expiration Date								Jan. 01, 2020		Dec. 31, 2033
Total gross unrecognized tax benefits	36,000,000	28,000,000	36,000,000	36,000,000	84,300,000
Unrecognized tax benefits that would impact effective tax rate		2,800,000
Accrued interest and penalties	6,200,000	4,400,000	6,200,000
Expense for interest and penalties		100,000	1,100,000	3,800,000
Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Estimated Range of Change, Lower Bound		5,000,000
Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Estimated Range of Change, Upper Bound		$ 10,000,000