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Fair Value Measurements
3 Months Ended
Mar. 31, 2014
Fair Value Disclosures [Abstract]  
Fair Value Disclosures [Text Block]
Fair Value Measurements

Assets and liabilities that are recorded at fair value in the Condensed Consolidated Balance Sheets are categorized based upon the level of judgment associated with the inputs used to measure their value. Hierarchical levels, as defined below and directly related to the amount of subjectivity associated with the inputs to fair valuations of these assets and liabilities, are as follows:

Level 1: Inputs are unadjusted quoted prices in active markets for identical assets or liabilities at the measurement date. The types of assets carried at Level 1 fair value generally are exchange-traded derivatives and equity securities.

Level 2: Inputs, other than quoted prices included in Level 1, are observable for the asset or liability, either directly or indirectly. Level 2 inputs include quoted prices for similar instruments in active markets, and inputs other than quoted prices that are observable for the asset or liability. Fair value assets and liabilities that are generally included in this category are derivatives with fair values based on inputs from actively quoted markets.  A market approach is utilized to value CERC’s Level 2 assets or liabilities.

Level 3: Inputs are unobservable for the asset or liability, and include situations where there is little, if any, market activity for the asset or liability. Unobservable inputs reflect CERC’s judgments about the assumptions market participants would use in pricing the asset or liability since limited market data exists. CERC develops these inputs based on the best information available, including CERC’s own data. A market approach is utilized to value CERC’s Level 3 assets or liabilities. Currently, CERC’s Level 3 assets and liabilities are comprised of physical forward contracts and options. Level 3 physical forward contracts are valued using a discounted cash flow model which includes illiquid forward price curve locations (ranging from $3.43 to $5.20 per one million British thermal units) as an unobservable input. Level 3 options are valued through Black-Scholes (including forward start) option models which include option volatilities (ranging from 0 to 62%) as an unobservable input.  CERC’s Level 3 derivative assets and liabilities consist of both long and short positions (forwards and options) and their fair value is sensitive to forward prices and volatilities.  If forward prices decrease, CERC’s long forwards lose value whereas its short forwards gain in value.  If volatility decreases, CERC’s long options lose value whereas its short options gain in value.

CERC determines the appropriate level for each financial asset and liability on a quarterly basis and recognizes transfers between levels at the end of the reporting period.  For the three months ended March 31, 2014, there were no transfers between Level 1 and 2. CERC also recognizes purchases of Level 3 financial assets and liabilities at their fair market value at the end of the reporting period.

The following tables present information about CERC’s assets and liabilities (including derivatives that are presented net) measured at fair value on a recurring basis as of March 31, 2014 and December 31, 2013, and indicate the fair value hierarchy of the valuation techniques utilized by CERC to determine such fair value.
 
Quoted Prices in
Active Markets
for Identical Assets
(Level 1)
 
Significant Other
Observable
Inputs
(Level 2)
 
Significant
Unobservable
Inputs
(Level 3)
 
Netting
Adjustments (1)
 
Balance as of March 31, 2014
 
(in millions)
Assets
 
 
 
 
 
 
 
 
 
Corporate equities
$
2

 
$

 
$

 
$

 
$
2

Investments, including money
market funds
11

 

 

 

 
11

Natural gas derivatives
4

 
32

 
5

 
(8
)
 
33

Total assets
$
17

 
$
32

 
$
5

 
$
(8
)
 
$
46

Liabilities
 

 
 

 
 

 
 

 
 

Natural gas derivatives
$
1

 
$
20

 
$
5

 
$
(7
)
 
$
19

Total liabilities
$
1

 
$
20

 
$
5

 
$
(7
)
 
$
19

________________
(1)
Amounts represent the impact of legally enforceable master netting arrangements that allow CERC to settle positive and negative positions and also include cash collateral of $(1) million posted with the same counterparties.
 
Quoted Prices in
Active Markets
for Identical Assets
(Level 1)
 
Significant Other
Observable
Inputs
(Level 2)
 
Significant
Unobservable
Inputs
(Level 3)
 
Netting
Adjustments (1)
 
Balance as of December 31, 2013
 
(in millions)
Assets
 
 
 
 
 
 
 
 
 
Corporate equities
$
2

 
$

 
$

 
$

 
$
2

Investments, including money
market funds
11

 

 

 

 
11

Natural gas derivatives (2)
5

 
33

 
5

 
(9
)
 
34

Total assets
$
18

 
$
33

 
$
5

 
$
(9
)
 
$
47

Liabilities
 

 
 

 
 

 
 

 
 

Natural gas derivatives
$
1

 
$
27

 
$
2

 
$
(9
)
 
$
21

Total liabilities
$
1

 
$
27

 
$
2

 
$
(9
)
 
$
21

________________
(1)
Amounts represent the impact of legally enforceable master netting arrangements that allow CERC to settle positive and negative positions and also include cash collateral of less than $1 million posted with the same counterparties.

(2)
The (Level 2) Natural gas derivative assets of $33 million includes $1 million related to physical forwards purchased from Enable.

The following table presents additional information about assets or liabilities, including derivatives that are measured at fair value on a recurring basis for which CERC has utilized Level 3 inputs to determine fair value:
 
Fair Value Measurements Using Significant
 Unobservable Inputs (Level 3)
 
Derivative Assets and Liabilities, net
 
Three Months Ended March 31,
 
2014
 
2013
 
(in millions)
Beginning balance
$
3

 
$
2

Total gains (losses)
(2
)
 
2

Total settlements
1

 
(1
)
Transfers into Level 3
(1
)
 

Ending balance (1)
$
1

 
$
3

The amount of total gains (losses) for the period included
in earnings attributable to the change in unrealized gains or losses relating to assets still held at the reporting date
$
(2
)
 
$
2

____________
(1)
CERC did not have significant Level 3 purchases, sales or transfers out of Level 3 during the three months ended March 31, 2014 or 2013.

Estimated Fair Value of Financial Instruments

The fair values of cash and cash equivalents and short-term borrowings are estimated to be approximately equivalent to carrying amounts and have been excluded from the table below. Non-trading derivative assets and liabilities are stated at fair value and are excluded from the table below. The fair value of each debt instrument is determined by multiplying the principal amount of each debt instrument by the market price. These assets and liabilities, which are not measured at fair value in the Condensed Consolidated Balance Sheets but for which the fair value is disclosed, would be classified as Level 1 or Level 2 in the fair value hierarchy.
 
March 31, 2014
 
December 31, 2013
 
Carrying
Amount
 
Fair
Value
 
Carrying
Amount
 
Fair
Value
 
(in millions)
Financial assets:
 
 
 
 
 
 
 
Notes receivable from unconsolidated affiliates
$
363

 
$
365

 
$
363

 
$
363

Financial liabilities:
 
 
 
 
 
 
 
Long-term debt
$
2,124

 
$
2,399

 
$
2,240

 
$
2,466