XML 93 R50.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Derivative Instruments, Hedging Activities and Fair Value Measurements, Recurring Fair Value Measurements (Details) (USD $) In Millions, unless otherwise specified | 6 Months Ended |  |  |  |  |  | 3 Months Ended | 6 Months Ended
--- | --- | --- | --- | --- | --- | --- | --- | ---
Jun. 30, 2013 | Jun. 30, 2012 | Jun. 30, 2013 Fair Value [Member] Level 2 [Member] | Dec. 31, 2012 Fair Value [Member] Level 2 [Member] | Jun. 30, 2013 Carrying Value [Member] | Dec. 31, 2012 Carrying Value [Member] | Jun. 30, 2013 Fair Value, Measurements, Recurring [Member] | Jun. 30, 2013 Fair Value, Measurements, Recurring [Member] Level 1 [Member] | Jun. 30, 2013 Fair Value, Measurements, Recurring [Member] Level 2 [Member] | Jun. 30, 2013 Fair Value, Measurements, Recurring [Member] Level 3 [Member] | Jun. 30, 2013 Fair Value, Measurements, Recurring [Member] Fair Value [Member] Level 3 [Member] | Mar. 31, 2013 Fair Value, Measurements, Recurring [Member] Fair Value [Member] Level 3 [Member] | Jun. 30, 2012 Fair Value, Measurements, Recurring [Member] Fair Value [Member] Level 3 [Member] | Mar. 31, 2012 Fair Value, Measurements, Recurring [Member] Fair Value [Member] Level 3 [Member] | Jun. 30, 2013 Fair Value, Measurements, Recurring [Member] Fair Value [Member] Level 3 [Member] | Jun. 30, 2012 Fair Value, Measurements, Recurring [Member] Fair Value [Member] Level 3 [Member]
Financial assets [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate derivatives |  |  |  |  |  |  | $ 35.5 | $ 0 | $ 35.5 | $ 0 |  |  |  |  |  |  |  |  |  |  |
Commodity derivatives |  |  |  |  |  |  | 60.8 | 20.5 | 40.2 | 0.1 |  |  |  |  |  |  |  |  |  |  |
Financial assets |  |  |  |  |  |  | 96.3 | 20.5 | 75.7 | 0.1 |  |  |  |  |  |  |  |  |  |  |
Financial liabilities [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate derivatives |  |  |  |  |  |  | 12.4 | 0 | 12.4 | 0 |  |  |  |  |  |  |  |  |  |  |
Commodity derivatives |  |  |  |  |  |  | 46.9 | 8.9 | 37.7 | 0.3 |  |  |  |  |  |  |  |  |  |  |
Financial liabilities |  |  |  |  |  |  | 59.3 | 8.9 | 50.1 | 0.3 |  |  |  |  |  |  |  |  |  |  |
Reconciliation of changes in the fair value of Level 3 financial assets and liabilities [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance, beginning of period |  |  |  |  |  |  |  |  |  |  | (0.6) |  | (1.5) |  | 0.9 |  | 0.4 |  | (1.5) |  | 0.4
Total gains (losses) included in: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income |  |  |  |  |  |  |  |  |  |  | (0.2) | [1] | (0.6) | [1] | (1.3) | [1] | 0.5 | [1] |  |  |
Other comprehensive income (loss) |  |  |  |  |  |  |  |  |  |  | 0 |  | 0 |  | 6.0 |  | 0.5 |  |  |  |
Settlements |  |  |  |  |  |  |  |  |  |  | 0.6 |  | 1.5 |  | (0.7) |  | (0.5) |  |  |  |
Balance, end of period |  |  |  |  |  |  |  |  |  |  | (0.2) | [2] | (0.6) |  | 4.9 |  | 0.9 |  | (0.2) | [2] | 4.9
Unrealized gain (loss) recognized as a component of net income related to financial assets and liabilities | 1.2 | 21.6 |  |  |  |  |  |  |  |  | 0.4 |  |  |  | (2.0) |  |  |  | 1.3 |  | (1.9)
Financial Liabilities: [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fixed Rate Debt Principal Amount Fair Value Disclosure |  |  | $ 17,980 | $ 18,420 | $ 16,880 | $ 16,180 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
[1] | There were unrealized gains of $0.4 million and $1.3 million included in these amounts for the three and six months ended June 30, 2013, respectively. There were $2.0 million and $1.9 million of unrealized losses included in these amounts for the three and six months ended June 30, 2012, respectively.
[2] | There were no transfers into or out of Level 3 during the three or six months ended June 30, 2013.

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

X
- Definition This element represents net assets and liabilities measured at fair value using significant unobservable inputs (Level 3) which is required for reconciliation purposes of beginning and ending balances. + References No definition available. + Details
Name: | epd_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisNetAssetAndLiabilityBalance
Namespace Prefix: | epd_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Settlements that have taken place during the period in relation to net assets and liabilities measured at fair value and categorized within Level 3 of the fair value hierarchy. + References No definition available. + Details
Name: | epd_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisNetAssetsAndLiabilitiesSettlements
Namespace Prefix: | epd_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. This item represents the fair value of the principal balance of our fixed rate debt as of the balance sheet date. + References No definition available. + Details
Name: | epd_FixedRateDebtPrincipalAmountFairValueDisclosure
Namespace Prefix: | epd_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258 + Details
Name: | us-gaap_AssetsFairValueDisclosure
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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

X
- Definition This item represents the amount of the total realized and unrealized gains or losses for the period which are included in the statement of income (or changes in net assets); the fair value of which assets and liabilities was or is measured on a recurring basis using significant unobservable inputs (Level 3). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisGainLossIncludedInEarnings
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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

X
- Definition Amount of gain (loss) recognized in other comprehensive income, arising from assets, liabilities and financial instruments classified in shareholders' equity measured at fair value on a recurring basis using unobservable inputs (level 3). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1a) -URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisGainLossIncludedInOtherComprehensiveIncomeLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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

X
- Definition Fair value as of the balance sheet date of interest rate derivative assets, which includes all such derivative instruments in hedging and nonhedging relationships that are recognized as assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=28364263&loc=d3e13433-108611 + Details
Name: | us-gaap_InterestRateDerivativeAssetsAtFairValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value as of the balance sheet date of interest rate derivative liabilities, which includes all such derivative instruments in hedging and nonhedging relationships that are recognized as liabilities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=28364263&loc=d3e13433-108611 + Details
Name: | us-gaap_InterestRateDerivativeLiabilitiesAtFairValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Fair value of financial and nonfinancial obligations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258 + Details
Name: | us-gaap_LiabilitiesFairValueDisclosure
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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

X
- Definition Fair value as of the balance sheet date of price risk derivative assets, which includes all such derivative instruments in hedging and nonhedging relationships that are recognized as assets on the balance sheet. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=28364263&loc=d3e13433-108611 + Details
Name: | us-gaap_PriceRiskDerivativeAssetsAtFairValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value as of the balance sheet date of price risk derivative liabilities, which includes all such derivative instruments in hedging and nonhedging relationships that are recognized as liabilities on the balance sheet. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=28364263&loc=d3e13433-108611 + Details
Name: | us-gaap_PriceRiskDerivativeLiabilitiesAtFairValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The net change in the difference between the fair value and the carrying value, or in the comparative fair values, of derivative instruments, including options, swaps, futures, and forward contracts, held at each balance sheet date, that was included in earnings for the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 + Details
Name: | us-gaap_UnrealizedGainLossOnDerivatives
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration