Fair Value Measures (Tables)

6 Months Ended

Jun. 30, 2014

Fair Value Measures [Abstract]

FV of Partnership's Derivative Assets and Liabilities

The following table presents the Partnership’s derivative assets and liabilities measured at fair value on a recurring basis:

	Fair Value Measurements at June 30, 2014						Fair Value Measurements at December 31, 2013
	Fair Value Total		Significant Observable Inputs (Level 2)		Unobservable Inputs (Level 3)		Fair Value Total		Significant Observable Inputs (Level 2)		Unobservable Inputs (Level 3)
Assets
Commodity Derivatives:
Natural Gas	$	1	$	1	$	—	$	2	$	2	$	—
NGLs	1		1		—		2		2		—
Total Assets	$	2	$	2	$	—	$	4	$	4	$	—
Liabilities
Commodity Derivatives:
Natural Gas	$	5	$	5	$	—	$	4	$	4	$	—
NGLs	2		2		—		4		4		—
Condensate	4		4		—		1		1		—
Embedded derivatives in Series A Preferred Units	29		—		29		19		—		19
Total Liabilities	$	40	$	11	$	29	$	28	$	9	$	19

Significant Unobservable Inputs for FV Estimation of Embedded Derivatives

The following table presents the material unobservable inputs used to estimate the fair value of the embedded derivatives in the Series A Preferred Units:

Unobservable Input	June 30, 2014
Credit Spread	3.91	%
Volatility	21.40	%

Valuation Changes in Level 3 Derivatives

The following table presents the changes in Level 3 derivatives measured on a recurring basis for the six months ended June 30, 2014. There were no transfers between the fair value hierarchy levels for the six months ended June 30, 2014.

	Embedded Derivatives in Series A Preferred Units
Net liability balance at December 31, 2013	$	19
Change in fair value	10
Net liability balance at June 30, 2014	$	29