Debt Schedule (Details) € in Millions	4 Months Ended	6 Months Ended	7 Months Ended	13 Months Ended
	Jun. 30, 2015 USD ($)	Jun. 30, 2015 USD ($)	Dec. 31, 2014 USD ($)	Jun. 30, 2015 USD ($)	Jun. 30, 2015 EUR (€)	Jun. 30, 2014 USD ($)	May. 03, 2012 USD ($)	Oct. 06, 2010 USD ($)	Sep. 22, 2005 USD ($)
Debt Instrument [Line Items]
Less: unamortized debt discounts	$ (3,800,000)	$ (3,800,000)	$ (4,200,000)	$ (3,800,000)
Total long-term debt (including current portion)	3,025,400,000	3,025,400,000	3,111,400,000	3,025,400,000
Current portion of long-term debt	(720,200,000)	(720,200,000)	(774,300,000)	(720,200,000)
Total long-term debt	2,305,200,000	2,305,200,000	2,337,100,000	2,305,200,000
Commercial paper program	65,000,000	65,000,000	0	65,000,000
Overdraft facility	23,400,000	23,400,000	64,600,000	23,400,000
Other short-term borrowings	18,100,000	18,100,000	5,600,000	18,100,000
Current portion of long-term debt and short-term borrowings	832,400,000	832,400,000	849,400,000	832,400,000
Revolving credit facility, maximum borrowing capacity						$ 750,000,000
Central Europe [Member]
Debt Instrument [Line Items]
Overdraft facility	23,400,000	23,400,000	64,600,000	23,400,000
Bank cash	44,000,000	44,000,000	80,000,000	44,000,000
Bank cash, net of overdrafts	20,600,000	20,600,000	15,400,000	20,600,000
Cross currency swaps [Member]
Debt Instrument [Line Items]
Derivative, notional amount	300,000,000	300,000,000		300,000,000	€ 265
Credit facilities [Member] | Japanese Yen [Member]
Debt Instrument [Line Items]
Short-term facilities	$ 5,700,000	$ 5,700,000	4,900,000	$ 5,700,000
Commercial paper [Member]
Debt Instrument [Line Items]
Short-term debt, weighted average interest rate	0.49%	0.49%		0.49%	0.49%
Weighted average interest rate, term		773 hours
Senior Notes [Member]
Debt Instrument [Line Items]
Debt instrument, face amount							$ 1,900,000,000
Senior Notes [Member] | Canadian dollar (CAD) 900 million 5.0% notes due 2015 [Member]
Debt Instrument [Line Items]
Long-term debt, carrying amount	$ 720,300,000	$ 720,300,000	774,500,000	$ 720,300,000
Debt instrument, face amount									$ 900,000,000
Debt instrument, interest rate percentage									5.00%
Senior Notes [Member] | CAD 500 million 3.95% Series A notes due 2017 [Member]
Debt Instrument [Line Items]
Long-term debt, carrying amount	400,200,000	400,200,000	430,300,000	400,200,000
Debt instrument, face amount								$ 500,000,000
Debt instrument, interest rate percentage								3.95%
Senior Notes [Member] | $300 million 2.0% notes due 2017 [Member]
Debt Instrument [Line Items]
Long-term debt, carrying amount	300,500,000	300,500,000	300,000,000	300,500,000			300,000,000
Debt instrument, face amount							$ 300,000,000
Debt instrument, interest rate percentage							2.00%
Debt instrument, fair value adjustment	(500,000)
Senior Notes [Member] | $500 million 3.5% notes due 2022 [Member]
Debt Instrument [Line Items]
Long-term debt, carrying amount	508,200,000	508,200,000	510,800,000	508,200,000			$ 500,000,000
Debt instrument, face amount							$ 500,000,000
Debt instrument, interest rate percentage							3.50%
Debt instrument, fair value adjustment			10,800,000	8,200,000
Senior Notes [Member] | $1.1 billion 5.0% notes due 2042 [Member]
Debt Instrument [Line Items]
Long-term debt, carrying amount	1,100,000,000	1,100,000,000	$ 1,100,000,000	1,100,000,000
Debt instrument, face amount							$ 1,100,000,000.0
Debt instrument, interest rate percentage							5.00%
Credit facilities [Member] | Revolving Multicurrency Bank Credit Facility [Member]
Debt Instrument [Line Items]
Revolving credit facility, remaining borrowing capacity	$ 685,000,000	$ 685,000,000		$ 685,000,000
Quarter To Date [Member] | Senior Notes [Member] | $300 million 2.0% notes due 2017 [Member]
Debt Instrument [Line Items]
Debt instrument, effective interest rate (percent)	2.72%	2.72%		2.72%	2.72%
Quarter To Date [Member] | Senior Notes [Member] | $500 million 3.5% notes due 2022 [Member]
Debt Instrument [Line Items]
Debt instrument, effective interest rate (percent)	1.41%	1.41%		1.41%	1.41%	3.31%
Year To Date [Member] | Senior Notes [Member] | $300 million 2.0% notes due 2017 [Member]
Debt Instrument [Line Items]
Debt instrument, effective interest rate (percent)	1.84%	1.84%		1.84%	1.84%
Year To Date [Member] | Senior Notes [Member] | $500 million 3.5% notes due 2022 [Member]
Debt Instrument [Line Items]
Debt instrument, effective interest rate (percent)	1.37%	1.37%		1.37%	1.37%	3.40%