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v3.3.1.900

Commitments and Contingencies (Details) bbl in Millions, $ in Millions, BTU in Trillions | 12 Months Ended
--- | ---
Dec. 31, 2015 USD ($) BTU bbl | Dec. 31, 2014 USD ($) | Dec. 31, 2013 USD ($)
Redelivery commitments [Abstract] |  |  |
Redelivery commitments of natural gas (in TBtus) | BTU | 10.2 |  |
Redelivery commitments of crude oil (in MMBbls) | bbl | 18.7 |  |
Redelivery commitments of NGL and petrochemical products (in MMBbls) | bbl | 37.5 |  |
Operating lease obligations [Abstract] |  |  |
Minimum term of material lease agreements (in years) | 5 years |  |
Maximum term of material lease agreements (in years) | 30 years |  |
Renewal option years for certain leases (in years) | 20 years |  |
Lease and rental expense included in costs and expenses | $ 104.3 | $ 94.2 | $ 87.6
Liabilities, Other than Long-term Debt, Noncurrent [Abstract] |  |  |
Noncurrent portion of AROs | 52.9 | 83.2 |
Deferred revenues - non-current portion | 78.3 | 73.0 |
Liquidity Option Agreement | 245.1 | 219.7 |
Centennial guarantees | 6.1 | 7.0 |
Other | 29.1 | 28.2 |
Total | 411.5 | 411.1 |
Junior Subordinated Note [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Debt obligations | 1,470.0 |  |
Centennial Pipeline LLC [Member] |  |  |
Debt Instrument [Line Items] |  |  |
Debt obligations | 67.2 |  |
Litigation matters [Member] |  |  |
Loss Contingencies [Line Items] |  |  |
Litigation accruals on an undiscounted basis | 4.6 | $ 2.4 |
Litigation matters [Member] | ETP Lawsuit [Member] |  |  |
Loss Contingencies [Line Items] |  |  |
Loss contingency, total damages sought | 535.8 |  |
Loss contingency, damages awarded | 319.4 |  |
Loss contingency, disgorgement damages sought | 150.0 |  |
Prejudgment interest | $ 66.4 |  |
Post-judgment interest rate (in hundredths) | 5.00% |  |
Centennial debt guarantee [Member] |  |  |
Guarantor Obligations [Line Items] |  |  |
Percentage of debt obligations guaranteed (in hundredths) | 50.00% |  |
Guarantee of debt obligations | $ 33.6 |  |
Fair value of debt guarantee | 4.9 |  |
Centennial cash call guarantee [Member] |  |  |
Guarantor Obligations [Line Items] |  |  |
Cash call guarantee | 50.0 |  |
Fair value of cash call guarantee | $ 2.1 |  |

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