Financing (Components Of Debt) (Details) € in Millions, SFr in Millions, $ in Millions	Dec. 31, 2015 CHF (SFr)	Dec. 31, 2015 USD ($)	Dec. 31, 2015 EUR (€)	Dec. 31, 2014 USD ($)	Dec. 31, 2014 EUR (€)	Dec. 31, 2001 USD ($)
Debt Instrument [Line Items]
Subtotal		$ 12,870.4		$ 3,473.4
Debt, current		845.2		71.9
Long-term debt, excluding current maturities		12,025.2		3,401.5
Commercial paper
Debt Instrument [Line Items]
Subtotal		4,000.0
US Dollar-Denominated Commercial Paper | Commercial paper
Debt Instrument [Line Items]
Subtotal		920.0		450.0
Euro denominated commercial paper | Commercial paper
Debt Instrument [Line Items]
Subtotal		3,096.9	€ 2,800	314.6	€ 260
2.3% senior unsecured notes due 2016 | Senior notes
Debt Instrument [Line Items]
Subtotal		$ 500.0		500.0
Interest rate of debt instrument	2.30%	2.30%	2.30%
4.0% bonds due 2016 | Bonds
Debt Instrument [Line Items]
Subtotal		$ 122.6		129.9
Interest rate of debt instrument	4.00%	4.00%	4.00%
Debt instrument, face amount | SFr	SFr 120
Floating rate senior unsecured notes due 2017 | Senior notes
Debt Instrument [Line Items]
Subtotal		$ 544.8		0.0
Debt instrument, face amount | €			€ 500
0.0% bonds due 2017 | Bonds
Debt Instrument [Line Items]
Subtotal		$ 99.7		0.0
Interest rate of debt instrument	0.00%	0.00%	0.00%
Debt instrument, face amount | SFr	SFr 100
1.65% senior unsecured notes due 2018 | Senior notes
Debt Instrument [Line Items]
Subtotal		$ 497.1		0.0
Interest rate of debt instrument	1.65%	1.65%	1.65%
5.625% senior unsecured notes due 2018 | Senior notes
Debt Instrument [Line Items]
Subtotal		$ 500.0		500.0
Interest rate of debt instrument	5.625%	5.625%	5.625%
1.0% senior unsecured notes due 2019 | Senior notes
Debt Instrument [Line Items]
Subtotal		$ 651.0		0.0
Interest rate of debt instrument	1.00%	1.00%	1.00%
Debt instrument, face amount | €			€ 600
5.4% senior unsecured notes due 2019 | Senior notes
Debt Instrument [Line Items]
Subtotal		$ 750.0		750.0
Interest rate of debt instrument	5.40%	5.40%	5.40%
2.4% senior unsecured notes due 2020 | Senior notes
Debt Instrument [Line Items]
Subtotal		$ 495.9		0.0
Interest rate of debt instrument	2.40%	2.40%	2.40%
5.0% senior unsecured notes due 2020 | Senior notes
Debt Instrument [Line Items]
Subtotal		$ 410.7		0.0
Interest rate of debt instrument	5.00%	5.00%	5.00%
Zero-coupon LYONS due 2021 | Convertible debt
Debt Instrument [Line Items]
Subtotal		$ 72.6		110.6
Interest rate of debt instrument	0.00%	0.00%	0.00%			2.375%
Debt instrument, face amount						$ 830.0
3.9% senior unsecured notes due 2021 | Senior notes
Debt Instrument [Line Items]
Subtotal		$ 600.0		600.0
Interest rate of debt instrument	3.90%	3.90%	3.90%
1.7% senior unsecured notes due 2022 | Senior notes
Debt Instrument [Line Items]
Subtotal		$ 866.8		0.0
Interest rate of debt instrument	1.70%	1.70%	1.70%
Debt instrument, face amount | €			€ 800
0.5% bonds due 2023 | Bonds
Debt Instrument [Line Items]
Subtotal		$ 541.6		0.0
Interest rate of debt instrument	0.50%	0.50%	0.50%
Debt instrument, face amount | SFr	SFr 540
2.5% senior unsecured notes due 2025 | Senior notes
Debt Instrument [Line Items]
Subtotal		$ 867.9		0.0
Interest rate of debt instrument	2.50%	2.50%	2.50%
Debt instrument, face amount | €			€ 800
3.35% senior unsecured notes due 2025 | Senior notes
Debt Instrument [Line Items]
Subtotal		$ 495.3		0.0
Interest rate of debt instrument	3.35%	3.35%	3.35%
1.125% bonds due 2028 | Bonds
Debt Instrument [Line Items]
Subtotal		$ 110.7		0.0
Interest rate of debt instrument	1.125%	1.125%	1.125%
Debt instrument, face amount | SFr	SFr 110
4.375% senior unsecured notes due 2045 | Senior notes
Debt Instrument [Line Items]
Subtotal		$ 499.3		0.0
Interest rate of debt instrument	4.375%	4.375%	4.375%
Other
Debt Instrument [Line Items]
Subtotal		$ 227.5		$ 118.3