Income Taxes (Income Tax Expense and Unrecognized Tax Benefits) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	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 Taxes Paid	$ 700.6	$ 969.0	$ 729.7
Income Tax Examination, Year under Examination		2015	2014	2013	2012	2011	2010
Domestic and Puerto Rican Contribution to Income before Income Taxes	70.00%	35.00%	20.00%
Income Tax Holiday, Termination Date	Dec. 31, 2016
Income Tax Holiday, Commencement Date	Dec. 31, 2017
Income Tax Holiday, Description	P15Y
Income Tax Reconciliation, Income Tax Expense (Benefit), at Federal Statutory Income Tax Rate	$ 1,180.9	$ 976.5	$ 1,050.1
Effective Income Tax Rate Reconciliation, Tax Credit, Foreign, Amount	313.7	565.2	344.8
Income Tax Reconciliation, Tax Credits	(58.3)	(69.2)	(44.3)
Income Tax Reconciliation, Other Adjustments	(172.5)	39.5	(51.2)
Income taxes	636.4	381.6	609.8
Unrecognized Tax Benefits, Beginning Balance	1,066.6	1,338.8	1,136.4
Unrecognized Tax Benefits, Increases Resulting from Current Period Tax Positions	73.4	131.3	126.4
Unrecognized Tax Benefits, Increases Resulting from Prior Period Tax Positions	14.8	116.6	132.6
Unrecognized Tax Benefits, Decreases Resulting from Prior Period Tax Positions	(15.2)	(45.2)	(32.1)
Unrecognized Tax Benefits, Reductions Resulting from Lapse of Applicable Statute of Limitations	(110.0)	(4.0)	(3.5)
Unrecognized Tax Benefits, Decreases Resulting from Settlements with Taxing Authorities	(171.9)	(446.2)	(4.2)
Unrecognized Tax Benefits, Increases Resulting from Foreign Currency Translation	(4.3)	(24.7)	(16.8)
Unrecognized Tax Benefits, Ending Balance	853.4	1,066.6	1,338.8	$ 1,136.4
Unrecognized Tax Benefits that Would Impact Effective Tax Rate	382.8	404.1
Income Tax Examination, Liability (Refund) Adjustment from Settlement with Taxing Authority	150.0
Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense	(52.5)	13.2	$ 35.9
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued	134.9	216.3
Maximum [Member]
Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items]
Decrease in Unrecognized Tax Benefits is Reasonably Possible	$ 140.0
Expiration in 5 years [Member]
Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items]
Operating Loss Carryforwards, Expiration Date	Dec. 31, 2021
Operating Loss Carryforwards	$ 142.6
Expiration in 10 Years [Member]
Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items]
Tax Credit Carryforward, Expiration Date	Dec. 31, 2026
Tax Credit Carryforward, Amount	$ 178.7
Expiration 5-20 years, Minimum [Member]
Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items]
Operating Loss Carryforwards, Expiration Date	Dec. 31, 2022
Expiration 5-20 years [Member]
Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items]
Operating Loss Carryforwards	$ 462.5
Expiration 5-20 years, Maximum [Member]
Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items]
Operating Loss Carryforwards, Expiration Date	Dec. 31, 2036
Expiration in 20 Years [Member]
Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items]
Tax Credit Carryforward, Expiration Date	Dec. 31, 2036
Tax Credit Carryforward, Amount	$ 53.6
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)
State and Local Jurisdiction [Member] | Designated Unusable [Member]
Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items]
Tax Credit Carryforward, Amount	$ 303.8