Derivative Instruments and Hedging Activities (Details) - Mar. 31, 2019 € in Millions, ¥ in Millions	EUR (€) instrument	CNY (¥) instrument
Derivative [Line Items]
Percentage of foreign exchange rate exposure hedged, minimum	70.00%	70.00%
Percentage of foreign exchange rate exposure hedged, maximum	90.00%	90.00%
Net Investment Hedging \| Cross-currency interest rate swaps
Derivative [Line Items]
Number of instruments held \| instrument	2	2
Notional amount of derivative asset	€ 160
Net Investment Hedging \| Foreign currency exchange derivatives
Derivative [Line Items]
Notional amount of derivative asset \| ¥		¥ 970
Long-term debt \| Derivatives and Hedging Activities Designated as Hedging Instruments under ASC 815
Derivative [Line Items]
Notional value of derivative liability	€ 1,000
Interest rate (as percent)	3.50%	3.50%

Percentage Of Foreign Exchange Rate Exposure Hedged Maximum

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Percentage Of Foreign Exchange Rate Exposure Hedged Minimum

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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-Topic 210
-SubTopic 10
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Nominal or face amount used to calculate payments on the derivative asset.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1A
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Nominal or face amount used to calculate payments on the derivative liability.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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The number of derivative instruments of a particular group held by the entity.

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