Environmental (US Superfund Sites Narrative) (Details) - Passaic River, New Jersey [Member] $ in Millions		6 Months Ended
Apr. 11, 2014 USD ($)	Jun. 30, 2015
Site Contingency [Line Items]
Number of parties included in USEPA order		70
EPA proposed remedial alternative, low estimate	$ 365
EPA proposed remedial alternative, high estimate	3,200
EPA preferred remedial alternative	$ 1,700
Environmental Liability Percentage		1.00%

Estimated ultimate allocable share of cleanup costs.

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Number of Parties included in USEPA order.

+ References

No definition available.

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- Definition

Estimate of the loss exposure for reasonably possible environmental contingencies at an individual site for which no accrual has been recorded, based upon the EPA-preferred remedial alternative.

+ References

No definition available.

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- 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.

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High-end of the range estimate of the loss exposure for reasonably possible environmental contingencies at an individual site for which no accrual has been recorded.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 410

-SubTopic 30

-Section 50

-Paragraph 10

-Subparagraph (d)(2)

-URI http://asc.fasb.org/extlink&oid=6393242&loc=d3e13237-110859

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- Definition

Low-end of the range estimate of the loss exposure for reasonably possible environmental contingencies at an individual site for which no accrual has been recorded.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 410

-SubTopic 30

-Section 50

-Paragraph 10

-Subparagraph (c),(d)(2)

-URI http://asc.fasb.org/extlink&oid=6393242&loc=d3e13237-110859

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