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Commitments and Contingencies (Details 3) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013 item	Jul. 06, 2013 bbl
DPM
Lac-Megantic, Quebec
Membership interest in joint venture (as a percent)	50.00%
DPTS
Lac-Megantic, Quebec
Membership interest in joint venture (as a percent)	50.00%
Derailment of freight train
Lac-Megantic, Quebec
Volume of crude oil (in barrels)		50,000
Number of complaints filed	20
Liabilities recorded based on estimated losses	$ 21.0
Receivables for portion of liability recoverable from insurance	20.9
Derailment of freight train | Accrued expenses and other current liabilities
Lac-Megantic, Quebec
Liabilities recorded based on estimated losses	9.9
Derailment of freight train | Other current assets
Lac-Megantic, Quebec
Receivables for portion of liability recoverable from insurance	$ 14.7

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- Definition

Represents the volume of crude oil.

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- Definition

Represents the percentage of ownership interest in joint venture.

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- Definition

Total costs accrued as of the balance sheet date for environmental loss contingencies.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 410

-SubTopic 30

-Section 50

-Paragraph 7

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-SubTopic 20

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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.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 410

-SubTopic 30

-Section 50

-Paragraph 7

-URI http://asc.fasb.org/extlink&oid=6393242&loc=d3e13207-110859



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