The aggregate cost of goods produced and sold and services rendered during the reporting period.

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The effective portion of net gain (loss) reclassified from accumulated other comprehensive income into income on derivative instruments designated and qualifying as hedging instruments.

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The portion of gains and losses (net) on derivative instruments designated and qualifying as hedging instruments representing (a) the amount of the hedge ineffectiveness and (b) the amount, if any, excluded from the assessment of hedge effectiveness.

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Amount of realized and unrealized gain (loss) of derivative instruments not designated or qualifying as hedging instruments.

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Amount of income (expense) related to nonoperating activities, classified as other.

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Derivative Financial Instruments (Derivative Instruments In Cash Flow Hedging Relationships Gain (Loss)) (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Derivative Instruments, Gain (Loss) [Line Items]
Revenues	$ 3,323.0	$ 3,143.8	$ 2,960.9	$ 3,125.2	$ 3,683.0	$ 4,140.9	$ 3,845.0	$ 3,388.0	$ 12,552.9	$ 15,056.9	$ 9,199.6
Selling, general and administrative expense									1,140.6	1,060.9	572.6
Other income (expense), net									(323.9)	(25.9)	6.5
Foreign exchange contract
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in income on derivatives (instruments not designated as hedging instruments)									(12.9)	43.6	0.1
Foreign exchange contract \| Revenue
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in income on derivatives (instruments not designated as hedging instruments)									(1.7)	0.9
Foreign exchange contract \| Cost of sales
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in income on derivatives (instruments not designated as hedging instruments)									0.2	(0.3)
Foreign exchange contract \| Other (expense), net
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in income on derivatives (instruments not designated as hedging instruments)									(11.4)	43.0	0.1
Cash flow hedging \| Foreign exchange contract
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) reclassified from accumulated OCI into incom									1.9	(135.4)	(165.7)
Gain (loss) recognized in income (ineffective portion and amount excluded from effectiveness testing)									(19.3)	23.6	(13.2)
Cash flow hedging \| Foreign exchange contract \| Revenue
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in income (ineffective portion and amount excluded from effectiveness testing)									(2.2)	9.5
Cash flow hedging \| Foreign exchange contract \| Cost of sales
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in income (ineffective portion and amount excluded from effectiveness testing)									(4.8)	(9.0)
Cash flow hedging \| Foreign exchange contract \| Selling, general and administrative expense
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in income (ineffective portion and amount excluded from effectiveness testing)										0.1
Cash flow hedging \| Foreign exchange contract \| Other (expense), net
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in income (ineffective portion and amount excluded from effectiveness testing)									(12.3)	23.0	(13.2)
Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent [Member] \| Reclassification out of Accumulated Other Comprehensive Income [Member] \| Cash flow hedging \| Foreign exchange contract
Derivative Instruments, Gain (Loss) [Line Items]
Revenues									(2.4)	(39.3)
Cost of Revenue									(3.4)	(5.3)
Selling, general and administrative expense									0.1	(0.8)
Other income (expense), net									$ 1.0	$ (102.2)	$ (165.7)