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Fair Value Measurements and Financial Instruments - Additional Information, Foreign Exchange Risk (Details)	12 Months Ended
	Dec. 31, 2017 country_and_territory
Financial Instruments and Fair Value Measurements [Abstract]
Minimum number of countries and territories serving consumers (more than) (in countries and territories)	200

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- References

No definition available.

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- Definition

Minimum Number Of Countries And Territories Serving Consumers

+ References

No definition available.

+ Details

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