XML 125 R109.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Retirement Benefits (Fair Value of Plan Assets) (Details) - USD ($) $ in Millions | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
--- | --- | --- | ---
Other Postretirement Benefits |  |  |
Fair Value of Plan Assets [Line Items] |  |  |
Defined Benefit Plan, Plan Assets, Amount | $ 241 | $ 257 | $ 256
Cash and Cash Equivalents [Member] | Other Postretirement Benefits |  |  |
Fair Value of Plan Assets [Line Items] |  |  |
Defined Benefit Plan, Plan Assets, Amount | 20 | 33 |
Mutual Fund [Member] | Other Postretirement Benefits |  |  |
Fair Value of Plan Assets [Line Items] |  |  |
Defined Benefit Plan, Plan Assets, Amount | 144 | 154 |
Mutual Fund [Member] | Pension Benefits |  |  |
Fair Value of Plan Assets [Line Items] |  |  |
Defined Benefit Plan, Plan Assets, Amount | 1 | 1 |
Fixed Income Securities [Member] | Other Postretirement Benefits |  |  |
Fair Value of Plan Assets [Line Items] |  |  |
Defined Benefit Plan, Plan Assets, Amount | 77 | 70 |
Level 1 [Member] | Other Postretirement Benefits |  |  |
Fair Value of Plan Assets [Line Items] |  |  |
Defined Benefit Plan, Plan Assets, Amount | 164 | 187 |
Level 1 [Member] | Cash and Cash Equivalents [Member] | Other Postretirement Benefits |  |  |
Fair Value of Plan Assets [Line Items] |  |  |
Defined Benefit Plan, Plan Assets, Amount | 20 | 33 |
Level 1 [Member] | Mutual Fund [Member] | Other Postretirement Benefits |  |  |
Fair Value of Plan Assets [Line Items] |  |  |
Defined Benefit Plan, Plan Assets, Amount | 144 | 154 |
Level 1 [Member] | Mutual Fund [Member] | Pension Benefits |  |  |
Fair Value of Plan Assets [Line Items] |  |  |
Defined Benefit Plan, Plan Assets, Amount | 1 | 1 |
Level 1 [Member] | Fixed Income Securities [Member] | Other Postretirement Benefits |  |  |
Fair Value of Plan Assets [Line Items] |  |  |
Defined Benefit Plan, Plan Assets, Amount | 0 | 0 |
Level 2 [Member] | Other Postretirement Benefits |  |  |
Fair Value of Plan Assets [Line Items] |  |  |
Defined Benefit Plan, Plan Assets, Amount | 77 | 70 |
Level 2 [Member] | Cash and Cash Equivalents [Member] | Other Postretirement Benefits |  |  |
Fair Value of Plan Assets [Line Items] |  |  |
Defined Benefit Plan, Plan Assets, Amount | 0 | 0 |
Level 2 [Member] | Mutual Fund [Member] | Other Postretirement Benefits |  |  |
Fair Value of Plan Assets [Line Items] |  |  |
Defined Benefit Plan, Plan Assets, Amount | 0 | 0 |
Level 2 [Member] | Mutual Fund [Member] | Pension Benefits |  |  |
Fair Value of Plan Assets [Line Items] |  |  |
Defined Benefit Plan, Plan Assets, Amount | 0 | 0 |
Level 2 [Member] | Fixed Income Securities [Member] | Other Postretirement Benefits |  |  |
Fair Value of Plan Assets [Line Items] |  |  |
Defined Benefit Plan, Plan Assets, Amount | 77 | 70 |
Level 3 [Member] | Other Postretirement Benefits |  |  |
Fair Value of Plan Assets [Line Items] |  |  |
Defined Benefit Plan, Plan Assets, Amount | 0 | 0 |
Level 3 [Member] | Cash and Cash Equivalents [Member] | Other Postretirement Benefits |  |  |
Fair Value of Plan Assets [Line Items] |  |  |
Defined Benefit Plan, Plan Assets, Amount | 0 | 0 |
Level 3 [Member] | Mutual Fund [Member] | Other Postretirement Benefits |  |  |
Fair Value of Plan Assets [Line Items] |  |  |
Defined Benefit Plan, Plan Assets, Amount | 0 | 0 |
Level 3 [Member] | Mutual Fund [Member] | Pension Benefits |  |  |
Fair Value of Plan Assets [Line Items] |  |  |
Defined Benefit Plan, Plan Assets, Amount | 0 | 0 |
Level 3 [Member] | Fixed Income Securities [Member] | Other Postretirement Benefits |  |  |
Fair Value of Plan Assets [Line Items] |  |  |
Defined Benefit Plan, Plan Assets, Amount | $ 0 | $ 0 |

X
- Definition [Line Items] for Fair Value of Plan Assets [Table] + References No definition available. + Details
Name: | ete_FairValueOfPlanAssetsLineItems
Namespace Prefix: | ete_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of asset segregated and restricted to provide benefit under defined benefit plan. Asset includes, but is not limited to, stock, bond, other investment, earning from investment, and contribution by employer and employee. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(iv)(01) -URI http://asc.fasb.org/extlink&oid=108410482&loc=d3e1928-114920 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(iv)(01) -URI http://asc.fasb.org/extlink&oid=108410482&loc=d3e1928-114920 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(ii) -URI http://asc.fasb.org/extlink&oid=108410482&loc=d3e1928-114920 Reference 4: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 55 -Paragraph 17 -URI http://asc.fasb.org/extlink&oid=112275985&loc=d3e4179-114921 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=108410482&loc=d3e1928-114920 Reference 6: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(ii) -URI http://asc.fasb.org/extlink&oid=108410482&loc=d3e1928-114920 + Details
Name: | us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_RetirementPlanTypeAxis=us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=us-gaap_CashAndCashEquivalentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=us-gaap_MutualFundMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RetirementPlanTypeAxis=us-gaap_PensionPlansDefinedBenefitMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=us-gaap_FixedIncomeSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel1Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel2Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel3Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |