XML 109 R93.htm IDEA: XBRL DOCUMENT v3.8.0.1
Commitments and Contingencies (Details)
bbl in Millions, $ in Millions, BTU in Trillions
12 Months Ended
Dec. 31, 2017
USD ($)
BTU
bbl
Dec. 31, 2016
USD ($)
Dec. 31, 2015
USD ($)
Dec. 31, 2014
USD ($)
Redelivery commitments:        
Redelivery commitments of natural gas | BTU 9.0      
Redelivery commitments of crude oil | bbl 15.8      
Redelivery commitments of NGL and petrochemical products | bbl 39.3      
Operating lease obligations:        
Lease and rental expense included in costs and expenses $ 103.6 $ 110.1 $ 104.3  
Liabilities, Other than Long-term Debt, Noncurrent [Abstract]        
Noncurrent portion of AROs 81.1 76.5    
Deferred revenues - non-current portion 135.5 137.0    
Liquidity option agreement 333.9 269.6    
Derivative liabilities 10.4 2.8    
Centennial guarantees 4.5 5.3    
Other 13.0 12.7    
Total 578.4 503.9    
Junior Subordinated Note [Member]        
Debt Instrument [Line Items]        
Debt obligations 3,170.0      
Centennial Pipeline LLC [Member]        
Debt Instrument [Line Items]        
Debt obligations $ 50.0      
Minimum [Member]        
Operating lease obligations:        
Term of material lease agreements 5 years      
Maximum [Member]        
Operating lease obligations:        
Term of material lease agreements 30 years      
Renewal option years for certain leases 20 years      
Litigation matters [Member]        
Loss Contingencies [Line Items]        
Litigation accruals on an undiscounted basis $ 4.5 $ 0.3    
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       5.00%
Centennial debt guarantee [Member]        
Guarantor Obligations [Line Items]        
Percentage of debt obligations guaranteed 50.00%      
Guarantee of debt obligations $ 25.0      
Fair value of debt guarantee 3.7      
Centennial cash call guarantee [Member]        
Guarantor Obligations [Line Items]        
Cash call guarantee 50.0      
Fair value of cash call guarantee $ 1.6