Fair Value Measurements (Tables)

9 Months Ended

Sep. 30, 2014

Fair Value, Assets Measured on Recurring Basis [Table Text Block]

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 September 30, 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 September 30, 2014
	(in millions)
Assets
Corporate equities	$	2	$	—	$	—	$	—		$	2
Investments, including money market funds	11		—		—		—			11
Natural gas derivatives	4		51		11		(15		)	51
Total assets	$	17	$	51	$	11	$	(15	)	$	64
Liabilities
Natural gas derivatives	$	3	$	23	$	2	$	(15	)	$	13
Total liabilities	$	3	$	23	$	2	$	(15	)	$	13

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(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 $-0- 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

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(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 include $1 million related to physical forwards purchased from Enable.

Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]

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 September 30,						Nine Months Ended September 30,
	2014			2013			2014			2013
	(in millions)
Beginning balance	$	4		$	4		$	3		$	2
Total gains	6			2			6			5
Total settlements	(1		)	(1		)	1			(2		)
Transfers into Level 3	—			—			(1		)	—
Ending balance ⁽¹⁾	$	9		$	5		$	9		$	5
The amount of total gains for the period included in earnings attributable to the change in unrealized gains or losses relating to assets still held at the reporting date	$	6		$	2		$	7		$	4

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(1)	CERC did not have significant Level 3 purchases, sales or transfers out of Level 3 during either the three or nine months ended September 30, 2014 or 2013.

Fair Value, by Balance Sheet Grouping [Table Text Block]

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.



	September 30, 2014				December 31, 2013
	Carrying Amount		Fair Value		Carrying Amount		Fair Value
	(in millions)
Financial assets:
Notes receivable from unconsolidated affiliates	$	363	$	366	$	363	$	363
Financial liabilities:
Long-term debt	$	2,127	$	2,442	$	2,240	$	2,466

- Definition

Tabular disclosure of the fair value measurement of assets using significant unobservable inputs (Level 3), a reconciliation of the beginning and ending balances, separately presenting changes during the period attributable to the following: (1) total gains or losses for the period (realized and unrealized), segregating those gains or losses included in earnings (or changes in net assets) and gains or losses recognized in other comprehensive income (loss), and a description of where those gains or losses included in earnings (or changes in net assets) are reported in the statement of income (or activities); (2) purchases, sales, issues, and settlements (each type disclosed separately); and (3) transfers in and transfers out of Level 3 (for example, transfers due to changes in the observability of significant inputs), by class of asset.

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- Definition

Tabular disclosure of the fair value of financial instruments, including financial assets and financial liabilities, and the measurements of those instruments, assets, and liabilities.

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