Income Taxes (Income Tax Expense and Unrecognized Tax Benefits) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items]
Income Tax Examination, Year under Examination	2015	2014	2013	2012	2011	2010
Income Tax Examination, Estimate of Cash Payment for Taxes from Settlement with Taxing Authority	$ 250.0
Domestic and Puerto Rican Contribution to Income before Income Taxes	35.00%	20.00%	60.00%
Income Tax Holiday, Termination Date	Dec. 31, 2016
Income Tax Holiday, Commencement Date	Dec. 31, 2017
Income Tax Holiday, Description	P15Y
Income Taxes Paid	$ 969.0	$ 729.7	$ 1,255.6
Income Tax Reconciliation, Income Tax Expense (Benefit), at Federal Statutory Income Tax Rate	976.5	1,050.1	2,061.3
Effective Income Tax Rate Reconciliation, Tax Credit, Foreign, Amount	565.2	344.8	778.3
Income Tax Reconciliation, Tax Credits	(69.2)	(44.3)	(175.6)
Income Tax Reconciliation, Other Adjustments	39.5	(51.2)	97.1
Income taxes	381.6	609.8	1,204.5
Unrecognized Tax Benefits, Beginning Balance	1,338.8	1,136.4	1,534.3
Unrecognized Tax Benefits, Increases Resulting from Current Period Tax Positions	131.3	126.4	142.5
Unrecognized Tax Benefits, Increases Resulting from Prior Period Tax Positions	116.6	132.6	251.5
Unrecognized Tax Benefits, Decreases Resulting from Prior Period Tax Positions	(45.2)	(32.1)	(358.2)
Unrecognized Tax Benefits, Reductions Resulting from Lapse of Applicable Statute of Limitations	(4.0)	(3.5)	(24.9)
Unrecognized Tax Benefits, Decreases Resulting from Settlements with Taxing Authorities	(446.2)	(4.2)	(404.9)
Unrecognized Tax Benefits, Increases Resulting from Foreign Currency Translation	(24.7)	(16.8)	(3.9)
Unrecognized Tax Benefits, Ending Balance	1,066.6	1,338.8	1,136.4	$ 1,534.3
Unrecognized Tax Benefits that Would Impact Effective Tax Rate	404.1	638.8
Income Tax Examination, Liability (Refund) Adjustment from Settlement with Taxing Authority	135.0
Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense	13.2	35.9	$ (10.9)
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued	216.3	$ 207.2
Minimum [Member]
Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items]
Decrease in Unrecognized Tax Benefits is Reasonably Possible	100.0
Maximum [Member]
Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items]
Decrease in Unrecognized Tax Benefits is Reasonably Possible	$ 150.0
Expiration 5-20 years, Minimum [Member]
Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items]
Operating Loss Carryforwards, Expiration Date	Dec. 31, 2020
Expiration 5-20 years [Member]
Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items]
Operating Loss Carryforwards	$ 354.0
Expiration 5-20 years, Maximum [Member]
Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items]
Operating Loss Carryforwards, Expiration Date	Dec. 31, 2035
Tax Years 2010-2012 [Member]
Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items]
Unrecognized Tax Benefits, Decreases Resulting from Settlements with Taxing Authorities	$ (320.0)