XML 110 R74.htm IDEA: XBRL DOCUMENT
v2.4.0.6

Equity and Distributions, Issuances of Equity (Details) (USD $) In Millions, except Share data, unless otherwise specified | 12 Months Ended | 1 Months Ended | 12 Months Ended | 1 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | ---
Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010 | Dec. 31, 2012 Distribution Reinvestment Plan [Member] | Dec. 31, 2011 Distribution Reinvestment Plan [Member] | Dec. 31, 2010 Distribution Reinvestment Plan [Member] | Feb. 28, 2013 Distribution Reinvestment Plan [Member] EPCO and affiliates [Member] | Dec. 31, 2010 Distribution Reinvestment Plan [Member] EPCO and affiliates [Member] | Dec. 31, 2012 Employee Unit Purchase Plan [Member] | Dec. 31, 2011 Employee Unit Purchase Plan [Member] | Dec. 31, 2010 Employee Unit Purchase Plan [Member] | Apr. 30, 2010 Shelf Registration 2007 [Member] | Jan. 31, 2010 Shelf Registration 2007 [Member] | Sep. 30, 2012 Shelf Registration 2010 [Member] | Dec. 31, 2011 Shelf Registration 2010 [Member] | Dec. 31, 2010 Shelf Registration 2010 [Member] | Dec. 31, 2012 Shelf Registration 2010 [Member] | Dec. 31, 2011 Shelf Registration 2010 [Member] | Dec. 31, 2012 2012 At-the-Market Registration [Member]
Registration Statements and Equity Offerings [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum common units authorized for issuance |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,000
Maximum common units authorized for issuance (in units) |  |  |  | 70,000,000 |  |  |  |  | 440,879 |  |  |  |  |  |  |  |  |  |
Remaining units available for issuance (in units) |  |  |  | 23,493,292 |  |  |  |  | 296,036 |  |  |  |  |  |  |  |  |  |
Net Cash Proceeds from Sale of Common Units [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of common units issued (in units) |  |  |  | 2,679,848 | 2,241,589 | 8,204,998 |  |  | 134,812 | 96,315 | 173,055 | 13,800,000 | 10,925,000 | 9,200,000 | 10,350,000 | 13,225,000 |  |  | 3,978,545
Offering price of common unit (in dollars per share) |  |  |  |  |  |  |  |  |  |  |  | $ 35.55 | $ 32.42 | $ 53.07 | $ 44.68 | $ 41.25 |  |  |
Gross proceeds from the sale of common units |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 205.4
Net cash proceeds from issuance of common units | 816.8 | 542.9 | 528.5 | 132.6 | 90.4 | 267.7 | 25.0 | 207.7 | 7.1 | 4.0 | 6.1 | 474.9 | 343.3 | 473.3 | 448.5 | 528.5 |  |  | 203.8
Senior notes issued under universal shelf registration |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 2,500 | $ 2,750 |

X
- Definition Gross proceeds from the sale of common units excluding any related fees. + References No definition available. + Details
Name: | epd_GrossProceedsFromSaleOfCommonUnits
Namespace Prefix: | epd_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- Definition The remaining number of limited partner units available for issuance, after taking into account limited partner units issued to date. The limited partners are partners of a publicly traded limited partnership or master limited partnership. Limited partners have limited liability and do not manage the partnership. + References No definition available. + Details
Name: | epd_LimitedPartnersCapitalAccountRemainingUnitsAvailableForIssuance
Namespace Prefix: | epd_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition "The dollar amount of limited partner units authorized to be issued in amounts, at prices and on terms to be determined by market conditions and other factors at the time of our offerings. + References No definition available. + Details
Name: | epd_LimitedPartnersCapitalAccountUnitsAuthorizedDollars
Namespace Prefix: | epd_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | epd_RegistrationStatementsAndEquityOfferingsLineItems
Namespace Prefix: | epd_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The principal amount of senior notes issued during the period, under the universal shelf registration statement. + References No definition available. + Details
Name: | epd_SeniorNotesIssuedUnderUniversalShelfRegistration
Namespace Prefix: | epd_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount per share assigned to the consideration received for shares issued. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 915 -SubTopic 215 -Section 45 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6472370&loc=d3e38297-110927 + Details
Name: | us-gaap_EquityIssuancePerShareAmount
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of limited partner units authorized to be issued. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Emerging Issues Task Force (EITF) -Number 87-21 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Practice Bulletin (PB) -Number 14 -Paragraph 10 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 5 -Subparagraph (SAB TOPIC 4.F) -URI http://asc.fasb.org/extlink&oid=6959260&loc=d3e187171-122770 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 4 -Section F Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 272 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6373374&loc=d3e70434-108055 + Details
Name: | us-gaap_LimitedPartnersCapitalAccountUnitsAuthorized
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Total units issued during the year due to the sale of units. All partners include general, limited and preferred partners. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Practice Bulletin (PB) -Number 14 -Paragraph 15 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 272 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6373374&loc=d3e70478-108055 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=6959260&loc=d3e187085-122770 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Emerging Issues Task Force (EITF) -Number 87-21 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
Name: | us-gaap_PartnersCapitalAccountUnitsSaleOfUnits
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition The cash inflow from the issuance of common limited partners units during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 19 -Subparagraph a -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 18 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3255-108585 + Details
Name: | us-gaap_ProceedsFromIssuanceOfCommonLimitedPartnersUnits
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_ProceedsFromIssuanceOrSaleOfEquityAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration