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Commitments and Contingencies (Tables)
 12 Months Ended
Dec. 31, 2013
Commitments and Contingencies [Abstract]  
Summary of Contractual Obligations
The following table summarizes our various contractual obligations at December 31, 2013. A description of each type of contractual obligation follows:

 
 
Payment or Settlement due by Period
 
Contractual Obligations
 
Total
  
2014
  
2015
  
2016
  
2017
  
2018
  
Thereafter
 
Scheduled maturities of debt obligations
 
$
17,357.7
  
$
1,125.0
  
$
1,300.0
  
$
750.0
  
$
800.0
  
$
350.0
  
$
13,032.7
 
Estimated cash interest payments
 
$
18,092.0
  
$
860.9
  
$
796.6
  
$
772.6
  
$
758.4
  
$
705.1
  
$
14,198.4
 
Operating lease obligations
 
$
332.8
  
$
42.4
  
$
41.2
  
$
38.2
  
$
35.4
  
$
30.7
  
$
144.9
 
Purchase obligations:
                            
Product purchase commitments:
                            
Estimated payment obligations:
                            
Natural gas
 
$
4,372.0
  
$
1,088.9
  
$
915.8
  
$
844.1
  
$
472.0
  
$
472.0
  
$
579.2
 
NGLs
 
$
2,147.1
  
$
1,917.7
  
$
214.3
  
$
15.1
  
$
--
  
$
--
  
$
--
 
Crude oil
 
$
1,159.5
  
$
1,159.5
  
$
--
  
$
--
  
$
--
  
$
--
  
$
--
 
Petrochemicals & refined products
 
$
3,943.6
  
$
2,058.0
  
$
1,123.7
  
$
693.5
  
$
68.4
  
$
--
  
$
--
 
Other
 
$
117.0
  
$
80.0
  
$
8.0
  
$
7.1
  
$
6.5
  
$
3.8
  
$
11.6
 
Underlying major volume commitments:
                            
Natural gas (in TBtus)
  
1,143
   
282
   
237
   
219
   
128
   
128
   
149
 
NGLs (in MMBbls)
  
42
   
38
   
4
   
--
   
--
   
--
   
--
 
Crude oil (in MMBbls)
  
12
   
12
   
--
   
--
   
--
   
--
   
--
 
Petrochemicals & refined products (in MMBbls)
  
42
   
22
   
12
   
7
   
1
   
--
   
--
 
Service payment commitments
 
$
1,030.9
  
$
201.4
  
$
199.6
  
$
180.8
  
$
154.7
  
$
86.5
  
$
207.9
 
Capital expenditure commitments
 
$
1,137.5
  
$
1,137.5
  
$
--
  
$
--
  
$
--
  
$
--
  
$
--