States whether the entity was in compliance with the debt covenants throughout the reporting period, and describes facts and circumstances of any compliance failure.

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Debt (Narrative) (Details) € in Millions, $ in Millions	1 Months Ended						9 Months Ended
Debt (Narrative) (Details) € in Millions, $ in Millions	Jan. 31, 2016 EUR (€)	Jan. 31, 2016 USD ($)	Apr. 30, 2015 EUR (€)	Mar. 31, 2015 USD ($)	Oct. 31, 2014 USD ($)	Jun. 30, 2014 EUR (€)	Feb. 28, 2016 USD ($)	Feb. 22, 2015 USD ($)
Debt Instrument [Line Items]
Long-term debt, carrying value							$ 8,127.9
Issuance of long-term debt							542.9	$ 1,274.6
Repayment of long-term debt							$ 1,000.3	$ 395.6
Floating Rate Notes Due January 2020 [Member]
Debt Instrument [Line Items]
Issuance of long-term debt \| €	€ 500.0
Maturity date	Jan. 15, 2020	Jan. 15, 2020
1.0% Notes Due April 2023 [Member]
Debt Instrument [Line Items]
Issuance of long-term debt \| €			€ 500.0
Maturity date			Apr. 27, 2023
Fixed interest rate percentage			1.00%
0.875% Notes Due January 2016 [Member]
Debt Instrument [Line Items]
Repayment of long-term debt		$ 250.0
Fixed interest rate percentage	0.875%	0.875%
Floating Rate Notes Due January 2016 [Member]
Debt Instrument [Line Items]
Repayment of long-term debt		$ 750.0
1.5% Notes Due April 2027 [Member]
Debt Instrument [Line Items]
Issuance of long-term debt \| €			€ 400.0
Maturity date			Apr. 27, 2027
Fixed interest rate percentage			1.50%
5.2% Notes Due March 2015 [Member]
Debt Instrument [Line Items]
Repayment of long-term debt				$ 750.0
Fixed interest rate percentage				5.20%
1.4% Notes Due October 2017 [Member]
Debt Instrument [Line Items]
Issuance of long-term debt					$ 500.0
Maturity date					Oct. 20, 2017
Fixed interest rate percentage					1.40%
2.2% Notes Due October 2019 [Member]
Debt Instrument [Line Items]
Issuance of long-term debt					$ 500.0
Maturity date					Oct. 21, 2019
Fixed interest rate percentage					2.20%
2.2% Senior Unsecured Notes Due June 2021 [Member]
Debt Instrument [Line Items]
Issuance of long-term debt \| €						€ 200.0
Maturity date						Jun. 24, 2021
Fixed interest rate percentage						2.20%
Floating Rate Notes Due in 2014 [Member]
Debt Instrument [Line Items]
Repayment of long-term debt \| €						€ 290.0
Long-term Debt Agreements Containing Restrictive Covenants [Member]
Debt Instrument [Line Items]
Covenant compliancee							As of February 28, 2016, we were in compliance with all of these covenants.
Fair Value Inputs Level 2 [Member]
Debt Instrument [Line Items]
Long-term debt, fair value							$ 8,539.2