Transactions With Affiliates (Tables)
6 Months Ended
Jun. 30, 2015
Related Party Transactions [Abstract]  
Schedule of Transactions With Affiliates
Statement of Operations.
 
Three Months Ended
June 30,
 
Six Months Ended June 30,
(in millions)
2015
 
2014
 
2015
 
2014
 
 
 
Predecessor
 
 
 
Predecessor
Transportation revenues
$
18.4

 
$
18.9

 
$
47.1

 
$
47.5

Storage revenues
12.9

 
13.2

 
26.2

 
26.9

Other revenues
0.1

 
0.1

 
0.2

 
0.2

Operation and maintenance expense
38.6

 
29.5

 
74.7

 
57.8

Interest expense
6.3

 
12.6

 
17.7

 
24.7

Interest income
2.3

 
0.1

 
3.3

 
0.2


Balance Sheet.
(in millions)
June 30,
2015
 
December 31, 2014
 
 
 
Predecessor
Accounts receivable
$
656.7

 
$
153.8

Current portion of long-term debt

 
115.9

Short-term borrowings
67.1

 
247.3

Accounts payable
41.5

 
49.9

Long-term debt
630.9

 
1,472.8

Schedule of Related Party Transactions, Long-Term Debt
Origination Date
 
Interest Rate
 
Maturity Date
 
June 30, 2015
 
December 31, 2014
(in millions)
 
 
 
 
 

 
Predecessor
November 28, 2005(1)
 
5.41
%
 
November 30, 2015
 
$

 
$
115.9

November 28, 2005
 
5.45
%
 
November 28, 2016
 

 
45.3

November 28, 2005
 
5.92
%
 
November 28, 2025
 

 
133.5

November 28, 2012
 
4.63
%
 
November 28, 2032
 

 
45.0

November 28, 2012
 
4.94
%
 
November 30, 2037
 

 
95.0

December 19, 2012
 
5.16
%
 
December 21, 2037
 

 
55.0

November 28, 2012
 
5.26
%
 
November 28, 2042
 

 
170.0

December 19, 2012
 
5.49
%
 
December 18, 2042
 

 
95.0

December 9, 2013(2)
 
4.75
%
 
December 31, 2016
 
630.9

 
834.0

Total Long-term Debt
 
 
 
 
 
$
630.9

 
$
1,588.7

(1) The debt balance for the note originating on November 28, 2005 and maturing on November 30, 2015 is included in "Current portion of long-term debt-affiliated" on the Condensed Combined Balance Sheet as of December 31, 2014.
(2) The Partnership may borrow at any time from the origination date to the maturity date not to exceed $2.6 billion. The note carries a variable interest rate of prime plus 150 basis points. All funds borrowed on the note are due December 31, 2016.