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Commitments and Contingencies Magnolia Station Crude Oil Release (Details) (USD $) In Millions, unless otherwise specified | 3 Months Ended
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Sep. 30, 2013
Commitments and Contingencies [Abstract] |
Maximum Exposure for Environmental Remediation under Omnibus Agreement | $ 0.25

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- Definition Maximum Exposure for Environmental Remediation under Omnibus Agreement + References No definition available. + Details
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