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Contingencies (Details) $ in Millions	9 Months Ended
	Sep. 30, 2014 USD ($)	Jan. 08, 2013 in
Loss Contingencies [Line Items]
Minimum thickness of performance enhancing layer on films required to avoid antidumping duty order		0.00001
3M vs. Tredegar
Loss Contingencies [Line Items]
Litigation Settlement, Amount | $	$ 10

X

- Definition

Minimum thickness of performance enhancing layer on films required to avoid antidumping duty order.

+ References

No definition available.

+ Details

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X

- Definition

Amount of judgment or settlement awarded to (against) the entity in respect of litigation.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

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.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
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X

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: