Segment Disclosures and Related Information (Narrative) (Details)	12 Months Ended
Dec. 31, 2013 segment
Segment Disclosures and Related Information (Textual) [Abstract]
Number of operating segments	2
DCP Midstream [Member]
Segment Disclosures and Related Information (Textual) [Abstract]
Equity investment	50.00%
CP Chem [Member]
Segment Disclosures and Related Information (Textual) [Abstract]
Equity investment	50.00%
United States [Member]
Segment Disclosures and Related Information (Textual) [Abstract]
Refineries Owned by Entity	15

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 323

-SubTopic 10

-Section 50

-Paragraph 3

-Subparagraph (a)(1)

-URI http://asc.fasb.org/extlink&oid=6382943&loc=d3e33918-111571

Name:	us-gaap_EquityMethodInvestmentOwnershipPercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant