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v3.19.3.a.u2

Financing (Long-Term Indebtedness) (Table) (Details) € in Millions, SFr in Millions, $ in Millions, ¥ in Billions | Dec. 31, 2019 USD ($) | Nov. 07, 2019 USD ($) | Sep. 18, 2019 USD ($) | Sep. 18, 2019 EUR (€) | Jun. 30, 2017 USD ($) | Jun. 30, 2017 EUR (€) | May 11, 2017 USD ($) | May 11, 2017 JPY (¥) | Feb. 28, 2016 USD ($) | Feb. 28, 2016 JPY (¥) | Dec. 08, 2015 USD ($) | Dec. 08, 2015 CHF (SFr) | Sep. 15, 2015 USD ($) | Jul. 08, 2015 USD ($) | Jul. 08, 2015 EUR (€) | Dec. 31, 2019 CHF (SFr) | Dec. 31, 2019 EUR (€) | Dec. 31, 2019 JPY (¥) | Dec. 31, 2018 USD ($) | Dec. 31, 2018 CHF (SFr) | Dec. 31, 2018 EUR (€) | Dec. 31, 2018 JPY (¥) | Dec. 31, 2001 USD ($)
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Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt | $ 21,729.1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 9,740.3 |  |  |  |
Other |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt | 76.3 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 66.7 |  |  |  |
Convertible debt | Zero-coupon LYONS due 2021 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt | $ 33.6 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 56.2 |  |  |  |
Interest rate of debt instrument | 0.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0.00% | 0.00% | 0.00% |  |  |  |  | 2.375%
Debt instrument, face amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 830.0
Senior notes | 0.352% senior unsecured notes due 2021 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt | $ 275.8 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 273.2 |  |  |  |
Interest rate of debt instrument | 0.352% |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0.352% | 0.352% | 0.352% |  |  |  |  |
Debt instrument, redemption price, percentage | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net proceeds from debt |  |  |  |  |  |  |  |  | $ 262.0 | ¥ 29.9 |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, face amount | ¥ |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | ¥ 30.0 |  |  |  | ¥ 30.0 |
Senior notes | 1.7% senior unsecured notes due 2022 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt | $ 894.8 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 913.2 |  |  |  |
Interest rate of debt instrument | 1.70% |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1.70% | 1.70% | 1.70% |  |  |  |  |
Debt instrument, redemption price, percentage | 99.651% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, face amount | € |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | € 800.0 |  |  |  | € 800.0 |  |
Senior notes | Floating rate senior unsecured notes due 2022 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt | $ 279.8 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 285.7 |  |  |  |
Debt instrument, redemption price, percentage | 100.147% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basis spread percentage to determine floating interest rate | 0.30% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, face amount | € |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | € 250.0 |  |  |  | 250.0 |  |
Senior notes | 2.05% senior unsecured notes due 2022 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt | $ 696.9 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0.0 |  |  |  |
Interest rate of debt instrument | 2.05% | 2.05% |  |  |  |  |  |  |  |  |  |  |  |  |  | 2.05% | 2.05% | 2.05% |  |  |  |  |
Debt instrument, redemption price, percentage | 99.994% | 99.994% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, face amount |  | $ 700.0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Senior notes | 2.2% senior unsecured notes due 2024 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt | $ 696.2 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0.0 |  |  |  |
Interest rate of debt instrument | 2.20% | 2.20% |  |  |  |  |  |  |  |  |  |  |  |  |  | 2.20% | 2.20% | 2.20% |  |  |  |  |
Debt instrument, redemption price, percentage | 99.952% | 99.952% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, face amount |  | $ 700.0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Senior notes | 2.5% senior unsecured notes due 2025 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt | $ 893.7 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 912.6 |  |  |  |
Interest rate of debt instrument | 2.50% |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2.50% | 2.50% | 2.50% |  |  |  |  |
Debt instrument, redemption price, percentage | 99.878% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, face amount | € |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | € 800.0 |  |  |  | 800.0 |  |
Senior notes | 3.35% senior unsecured notes due 2025 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt | $ 497.3 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 496.8 |  |  |  |
Interest rate of debt instrument | 3.35% |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3.35% | 3.35% | 3.35% |  |  |  |  |
Debt instrument, redemption price, percentage | 99.857% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Senior notes | 0.2% senior unsecured notes due 2026 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt | $ 1,392.3 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0.0 |  |  |  |
Interest rate of debt instrument | 0.20% |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0.20% | 0.20% | 0.20% |  |  |  |  |
Debt instrument, redemption price, percentage | 99.833% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, face amount | € |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | € 1,300.0 |  |  |  | 0.0 |  |
Senior notes | 0.3% senior unsecured notes due 2027 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt | $ 282.5 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 279.9 |  |  |  |
Interest rate of debt instrument | 0.30% |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0.30% | 0.30% | 0.30% |  |  |  |  |
Debt instrument, redemption price, percentage | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, face amount | ¥ |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | ¥ 30.8 |  |  |  | 30.8 |
Senior notes | 1.2% senior unsecured notes due 2027 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt | $ 668.0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 682.0 |  |  |  |
Interest rate of debt instrument | 1.20% |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1.20% | 1.20% | 1.20% |  |  |  |  |
Debt instrument, redemption price, percentage | 99.682% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, face amount | € |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | € 600.0 |  |  |  | 600.0 |  |
Senior notes | 0.45% senior unsecured notes due 2028 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt | $ 1,390.1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0.0 |  |  |  |
Interest rate of debt instrument | 0.45% |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0.45% | 0.45% | 0.45% |  |  |  |  |
Debt instrument, redemption price, percentage | 99.751% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, face amount | € |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | € 1,300.0 |  |  |  | 0.0 |  |
Senior notes | 2.6% senior unsecured notes due 2029 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt | $ 794.8 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0.0 |  |  |  |
Interest rate of debt instrument | 2.60% | 2.60% |  |  |  |  |  |  |  |  |  |  |  |  |  | 2.60% | 2.60% | 2.60% |  |  |  |  |
Debt instrument, redemption price, percentage | 99.903% | 99.903% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, face amount |  | $ 800.0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Senior notes | 0.75% senior unsecured notes due 2031 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt | $ 1,948.7 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0.0 |  |  |  |
Interest rate of debt instrument | 0.75% |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0.75% | 0.75% | 0.75% |  |  |  |  |
Debt instrument, redemption price, percentage | 99.92% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, face amount | € |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | € 1,800.0 |  |  |  | 0.0 |  |
Senior notes | 0.65% senior unsecured notes due 2032 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt | $ 487.8 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 483.4 |  |  |  |
Interest rate of debt instrument | 0.65% |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0.65% | 0.65% | 0.65% |  |  |  |  |
Debt instrument, redemption price, percentage | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, face amount | ¥ |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | ¥ 53.2 |  |  |  | ¥ 53.2 |
Senior notes | 1.35% senior unsecured notes due 2039 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt | $ 1,383.6 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0.0 |  |  |  |
Interest rate of debt instrument | 1.35% |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1.35% | 1.35% | 1.35% |  |  |  |  |
Debt instrument, redemption price, percentage | 99.461% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, face amount | € |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | € 1,300.0 |  |  |  | 0.0 |  |
Senior notes | 3.25% senior unsecured notes due 2039 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt | $ 890.3 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0.0 |  |  |  |
Interest rate of debt instrument | 3.25% | 3.25% |  |  |  |  |  |  |  |  |  |  |  |  |  | 3.25% | 3.25% | 3.25% |  |  |  |  |
Debt instrument, redemption price, percentage | 99.809% | 99.809% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, face amount |  | $ 900.0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Senior notes | 4.375% senior unsecured notes due 2045 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt | $ 499.4 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 499.3 |  |  |  |
Interest rate of debt instrument | 4.375% |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4.375% | 4.375% | 4.375% |  |  |  |  |
Debt instrument, redemption price, percentage | 99.784% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Senior notes | 1.8% senior unsecured notes due 2049 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt | $ 830.9 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0.0 |  |  |  |
Interest rate of debt instrument | 1.80% |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1.80% | 1.80% | 1.80% |  |  |  |  |
Debt instrument, redemption price, percentage | 99.564% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, face amount | € |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | € 750.0 |  |  |  | € 0.0 |  |
Senior notes | 3.4% senior unsecured notes due 2049 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt | $ 890.2 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0.0 |  |  |  |
Interest rate of debt instrument | 3.40% | 3.40% |  |  |  |  |  |  |  |  |  |  |  |  |  | 3.40% | 3.40% | 3.40% |  |  |  |  |
Debt instrument, redemption price, percentage | 99.756% | 99.756% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, face amount |  | $ 900.0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Senior notes | Euro-denominated senior unsecured notes, tranches |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net proceeds from debt |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 2,400.0 | € 2,200.0 |  |  |  |  |  |  |  |
Senior notes | U.S. dollar-denominated senior unsecured notes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net proceeds from debt |  |  |  |  |  |  |  |  |  |  |  |  | $ 2,000.0 |  |  |  |  |  |  |  |  |  |
Senior notes | Euronotes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net proceeds from debt |  |  |  |  | $ 940.0 | € 843.0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Senior notes | 2027 and 2032 Yen notes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, redemption price, percentage | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net proceeds from debt |  |  |  |  |  |  | $ 744.0 | ¥ 83.6 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Senior notes | Biopharma euronotes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net proceeds from debt |  |  | $ 6,800.0 | € 6,200.0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Senior notes | Biopharma notes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net proceeds from debt |  | $ 4,000.0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Bonds | 0.5% senior unsecured bonds due 2023 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt | $ 558.9 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 550.7 |  |  |  |
Interest rate of debt instrument | 0.50% |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0.50% | 0.50% | 0.50% |  |  |  |  |
Debt instrument, redemption price, percentage | 100.924% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, face amount | SFr |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | SFr 540 |  |  |  | SFr 540 |  |  |
Bonds | 1.125% senior unsecured bonds due 2028 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt | $ 221.0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 218.1 |  |  |  |
Interest rate of debt instrument | 1.125% |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1.125% | 1.125% | 1.125% |  |  |  |  |
Debt instrument, redemption price, percentage | 102.87% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, face amount | SFr |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | SFr 210 |  |  |  | SFr 210 |  |  |
Bonds | Swiss franc-denominated senior unsecured bonds |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net proceeds from debt |  |  |  |  |  |  |  |  |  |  | $ 739.0 | SFr 758 |  |  |  |  |  |  |  |  |  |  |
Debt instrument, face amount | SFr |  |  |  |  |  |  |  |  |  |  |  | SFr 100 |  |  |  |  |  |  |  |  |  |  |
Bonds | 0.0% senior unsecured bonds due 2017 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate of debt instrument |  |  |  |  |  |  |  |  |  |  |  | 0.00% |  |  |  |  |  |  |  |  |  |  |
Commercial paper | U.S. dollar denominated and euro-denominated commercial paper |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt | $ 5,146.2 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

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