Accumulated Other Comprehensive Income/(Loss) (Reclassifications from Accumulated Other Comprehensive Income) (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2018	Mar. 31, 2017
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Integration and acquisition costs	$ 239.7	$ 116.0
Cost of sales	1,132.4	1,327.0
Other income, net	23.2	4.5
Income from continuing operations before income taxes and equity in earnings/(losses) of equity method investees	593.1	362.4
Income taxes	(43.3)	(6.8)
Income from continuing operations, net of taxes	550.6	354.8
Total reclassifications for the period	68.4	4.2
Accumulated other comprehensive income
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Total reclassifications for the period	(0.5)	4.2
Pension and other employee benefit \| Amounts reclassified from AOCI
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Income from continuing operations before income taxes and equity in earnings/(losses) of equity method investees	(0.5)	0.0
Income taxes	0.0	0.0
Income from continuing operations, net of taxes	(0.5)	0.0
Amortization of net prior service credit \| Amounts reclassified from AOCI
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Other income, net	(0.2)	0.0
Amortization of actuarial gain \| Amounts reclassified from AOCI
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Other income, net	(0.3)	0.0
Hedging activities
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Total reclassifications for the period		4.2
Hedging activities \| Amounts reclassified from AOCI
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Cost of sales	0.0	6.6
Income from continuing operations before income taxes and equity in earnings/(losses) of equity method investees	0.0	6.6
Income taxes	0.0	(2.4)
Income from continuing operations, net of taxes	$ 0.0	$ 4.2

This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities.

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-Name Accounting Standards Codification
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-Section 25
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Total costs related to goods produced and sold during the reporting period.

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-Name Accounting Standards Codification
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Amount of income (loss) from continuing operations before deduction of income tax expense (benefit) and income (loss) attributable to noncontrolling interest, and addition of income (loss) from equity method investments.

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Amount after tax of income (loss) from continuing operations including portion attributable to the noncontrolling interest.

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Amount after tax of reclassification adjustments of other comprehensive income (loss).

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