v2.4.0.8
Fair Value Disclosures (Tables)
 6 Months Ended
Jun. 30, 2013
Fair Value Disclosures [Abstract]  
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis
The following tables present financial assets and liabilities measured and recorded at fair value on NiSource’s Condensed Consolidated Balance Sheets (unaudited) on a recurring basis and their level within the fair value hierarchy as of June 30, 2013 and December 31, 2012:
 
Recurring Fair Value Measurements
June 30, 2013 (in millions)
Quoted Prices in
Active Markets
for Identical
Assets
(Level 1)
 
Significant
Other
Observable
Inputs
(Level 2)
 
Significant
Unobservable
Inputs
(Level 3)
 
Balance as of June 30, 2013
Assets
 
 
 
 
 
 
 
Commodity Price risk management assets:
 
 
 
 
 
 
 
Physical price risk programs
$
—

 
$
14.6

 
$
—

 
$
14.6

Financial price risk programs
27.6

 
0.4

 
—

 
28.0

Interest rate risk activities
—

 
30.9

 
—

 
30.9

Available-for-sale securities
22.4

 
86.2

 
—

 
108.6

Total
$
50.0

 
$
132.1

 
$
—

 
$
182.1

Liabilities
 
 
 
 
 
 
 
Commodity Price risk management liabilities:
 
 
 
 
 
 
 
Physical price risk programs
$
—

 
$
—

 
$
—

 
$
—

Financial price risk programs
51.3

 
0.2

 
1.0

 
52.5

Total
$
51.3

 
$
0.2

 
$
1.0

 
$
52.5


Recurring Fair Value Measurements
December 31, 2012 (in millions)
Quoted Prices in
Active Markets
for Identical
Assets
(Level 1)
 
Significant
Other
Observable
Inputs
(Level 2)
 
Significant
Unobservable
Inputs
(Level 3)
 
Balance as of
December 31, 2012
Assets
 
 
 
 
 
 
 
Commodity Price risk management assets:
 
 
 
 
 
 
 
Physical price risk programs
$
—

 
$
35.4

 
$
—

 
$
35.4

Financial price risk programs
71.5

 
0.8

 
0.1

 
72.4

Interest rate risk activities
—

 
40.4

 
—

 
40.4

Available-for-sale securities
27.4

 
84.4

 
—

 
111.8

Total
$
98.9

 
$
161.0

 
$
0.1

 
$
260.0

Liabilities
 
 
 
 
 
 
 
Commodity Price risk management liabilities:
 
 
 
 
 
 
 
Physical price risk programs
$
—

 
$
—

 
$
—

 
$
—

Financial price risk programs
115.0

 
0.5

 
—

 
115.5

Total
$
115.0

 
$
0.5

 
$
—

 
$
115.5
Available-For-Sale Debt Securities
The amortized cost, gross unrealized gains and losses, and fair value of available-for-sale debt securities at June 30, 2013 and December 31, 2012 were:
 
(in millions)
Amortized
Cost
 
Gross Unrealized Gains
 
Gross Unrealized Losses
 
Fair
Value
Available-for-sale debt securities, June 30, 2013
 
 
 
 
 
 
 
U.S. Treasury
$
27.5

 
$
0.4

 
$
(0.8
)
 
$
27.1

Corporate/Other
82.2

 
0.9

 
(1.6
)
 
81.5

Total Available-for-sale debt securities
$
109.7

 
$
1.3

 
$
(2.4
)
 
$
108.6

(in millions)
Amortized
Cost
 
Gross Unrealized Gains
 
Gross Unrealized Losses
 
Fair
Value
Available-for-sale debt securities, December 31, 2012
 
 
 
 
 
 
 
U.S. Treasury
$
31.1

 
$
1.5

 
$
—

 
$
32.6

Corporate/Other
76.8

 
2.5

 
(0.1
)
 
79.2

Total Available-for-sale debt securities
$
107.9

 
$
4.0

 
$
(0.1
)
 
$
111.8
Carrying Amount And Estimated Fair Values Of Financial Instruments
 
(in millions)
Carrying
Amount as of
June 30, 2013
 
Estimated Fair
Value as of
June 30, 2013
 
Carrying
Amount as of
Dec. 31, 2012
 
Estimated Fair
Value as of
Dec. 31, 2012
Long-term debt (including current portion)
$
7,687.4

 
$
8,296.2

 
$
7,326.3

 
$
8,389.0