Represents the number of companies other than the entity who are required to make monetary and/or in kind contributions in a settlement agreement.

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- Definition

The amount of consideration to which the entity agreed to pay in a settlement agreement resolved the legal matter.

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Represents the approximate number of companies other than the entity against whom the lawsuit has been filed.

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- Definition

Represents the number of companies which entered into a mediated agreement with the Ontario Ministry of the Environment.

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- Definition

Represents the number of successor owners of the pulp mill with whom the entity is in discussion for settling all potential outstanding claims of the Ontario Ministry of the Environment for remediating areas that were contaminated by the predecessor company, Marathon Paper Mills of Canada Limited.

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Represents the number of years before the projected completion of the project when the response cost is expected to exceed the minimum amount.

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- Definition

Represents the estimated amount of additional cleanup costs which might arise as a result of contamination of the site.

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Represents the estimated amount of additional site costs which might arise due to additional cleanup costs.

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Represents the minimum amount of response cost related to the site above which the entity might be called upon by the counterparties to make additional payments.

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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 value (monetary amount) of the award the plaintiff seeks in the legal matter.

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Carrying amount as of the balance sheet date of known and reasonably estimable amounts of recoveries from third-parties pertaining to an entity's environmental remediation obligations. An entity's balance sheet may include several assets that relate to an environmental remediation obligation. Among them are the following: a. Receivables from other potentially responsible parties that are not providing initial funding; b. anticipated recoveries from insurers; and c. anticipated recoveries from prior owners as a result of indemnification agreements.

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Contingencies (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended	1 Months Ended	9 Months Ended	12 Months Ended		1 Months Ended
	Dec. 31, 2010 Claim by Hess Corporation (Hess)	Sep. 30, 2010 Environmental remediation action entity	Oct. 02, 2011 Environmental remediation action owner	Dec. 31, 1992 Environmental litigation with respect to Lowry Landfill site entity	Oct. 02, 2011 Waste Management litigation Y	Sep. 30, 2011 Environmental proceedings entity
Contingencies
Maximum amount of damages and claims sought	$ 5
Number of successor owners of pulp mill			2
Number of companies which entered into an agreement with Ministry		3
Amount required to be paid on reaching a mediated settlement agreement						3.5
Number of other companies who required to make similar monetary and/or in kind contributions						2
Amount of contribution for which reimbursement is being actively seeked						3.5
Approximate number of other companies named in a lawsuit with respect to Lowry Landfill				38
Response cost related to site, minimum					319
Number of years before projected completion of project when response cost is expected to exceed minimum amount					3
Estimated additional cleanup costs					10
Estimated additional site costs for the PRP group					$ 1