Accumulated Other Comprehensive Loss (Reclassifications from Accumulated Other Comprehensive Income) (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Integration and acquisition costs									$ 883.9	$ 39.8	$ 158.8
Cost of sales	$ 1,053.6	$ 1,736.2	$ 778.1	$ 248.6	$ 250.5	$ 262.7	$ 228.0	$ 227.8	3,816.5	969.0	979.3
Income from continuing operations before income taxes and equity in (losses)/ earnings of equity method investees									486.1	1,385.8	3,336.2
Income taxes									126.1	(46.1)	(56.1)
Income from continuing operations, net of taxes	$ 475.9	$ (368.5)	$ 86.6	$ 409.5	$ 283.4	$ 477.1	$ 164.1	$ 412.9	603.5	$ 1,337.5	$ 3,282.8
Total reclassifications for the period									47.0
Hedging activities
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Integration and acquisition costs									69.4
Income from continuing operations before income taxes and equity in (losses)/ earnings of equity method investees									69.4
Income taxes									(25.9)
Income from continuing operations, net of taxes									43.5
Losses on hedging activities | Reclassification out of AOCI
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Income from continuing operations before income taxes and equity in (losses)/ earnings of equity method investees									4.9
Income taxes									(1.4)
Income from continuing operations, net of taxes									3.5
Losses on hedging activities | Foreign exchange contracts | Reclassification out of AOCI
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Cost of sales									$ 4.9