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Estimates, Significant Accounting Policies and Balance Sheet Detail Estimates (Fair Value Schedule of Unobservable Inputs) (Details) | Dec. 31, 2016
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Unobservable Inputs [Abstract] |
Fair Value Embedde Derivatives, Significant Unobservable Input, Credit Spread | 5.12%
Fair Value, Embedded Derivatives, Significant Unobservable Input, Volatility | 31.73%

X
- Definition The estimated midpoint between the option adjusted spreads (OAS) of the Company's traded bonds and the Company's cost of equity after subtracting the risk free rate. + References No definition available. + Details
Name: | ete_FairValueEmbeddeDerivativesSignificantUnobservableInputCreditSpread
Namespace Prefix: | ete_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition The measure of historical price variation of the company's stock. + References No definition available. + Details
Name: | ete_FairValueEmbeddedDerivativesSignificantUnobservableInputVolatility
Namespace Prefix: | ete_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Unobservable Inputs [Abstract] + References No definition available. + Details
Name: | ete_UnobservableInputsAbstract
Namespace Prefix: | ete_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration