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Acquisitions and Divestitures Subsequent Event-Drop-down of Assets to EPB (Details) (Drop-Down of Assets to EPB [Member], El Paso Pipeline Partners, L.P. [Member])
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Apr. 28, 2014
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|---|---|
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Ruby Pipeline Holding Company LLC [Member]
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| Business Acquisition [Line Items] | |
| Equity Method Investment, Ownership Percentage | 50.00% |
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Gulf LNG Holdings Group LLC [Member]
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| Business Acquisition [Line Items] | |
| Equity Method Investment, Ownership Percentage | 50.00% |
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Young Gas Storage [Member]
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| Business Acquisition [Line Items] | |
| Equity Method Investment, Ownership Percentage | 47.50% |