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Summary of Significant Accounting Policies - Highly Inflationary Accounting (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2018	Jun. 30, 2018
Foreign currency matters
Charge related to the remeasurement	$ 2
Minimum
Foreign currency matters
Cumulative three-year inflation rate (as a percent)		100.00%
Sales revenue, net | Geographic concentration risk | Argentina
Foreign currency matters
Concentration risk (as a percent)	3.00%

X

- Definition

Cumulative three-year inflation rate, as a percent.

+ References

No definition available.

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- Definition

The amount that will be recognized through the income statement (as well as the impact on the other financial statements) as part of highly inflationary accounting.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 830
-SubTopic 30
-Section S99
-Paragraph 1
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- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

+ References

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-SubTopic 10
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