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Short-term Borrowings and Long-term Debt
6 Months Ended
Jun. 30, 2013
Debt Disclosure [Abstract]  
Short-term Borrowings and Long-term Debt
Short-term Borrowings and Long-term Debt

(a)Short-term Borrowings

Inventory Financing. Gas Operations has asset management agreements associated with its utility distribution service in Arkansas, north Louisiana and Oklahoma that extend through 2015. Pursuant to the provisions of the agreements, Gas Operations sells natural gas and agrees to repurchase an equivalent amount of natural gas during the winter heating seasons at the same cost, plus a financing charge. These transactions are accounted for as a financing and had an associated principal obligation of $38 million and $37 million as of December 31, 2012 and June 30, 2013, respectively.

(b)
Long-term Debt

Debt Repayments. In April 2013, CERC Corp. retired approximately $365 million aggregate principal amount of its 7.875% senior notes at their maturity. The retirement of senior notes was financed by CERC Corp. with the issuance of commercial paper. In May 2013, CERC Corp. applied proceeds from Midstream Partnership's May 1, 2013 debt repayment of $1.05 billion to the repayment of $357 million aggregate principal amount of its commercial paper and to the May 31, 2013 redemption of $160 million aggregate principal amount of its 5.95% senior notes due January 15, 2014 at 103.419% of their aggregate principal amount.

Revolving Credit Facility.   As of December 31, 2012 and June 30, 2013, CERC had the following revolving credit facility and utilization of such facility (in millions):
 
 
December 31, 2012
 
June 30, 2013
Size of
Facility
 
Loans
 
Letters
of Credit
 
Commercial
Paper
 
Loans
 
Letters
of Credit
 
Commercial
Paper
$
950

 
$

 
$

 
$

 
$

 
$

 
$



CERC Corp.’s $950 million credit facility, which is scheduled to terminate September 9, 2016, can be drawn at the London Interbank Offered Rate plus 150 basis points based on CERC Corp.’s current credit ratings. The facility contains a debt to total capitalization covenant which limits debt to 65% of its total capitalization.