Summary of Significant Accounting Polices (Tables)

12 Months Ended

Dec. 31, 2012

Accounting Policies [Abstract]

Schedule of Valuation and Qualifying Accounts Disclosure [Text Block]

The following table presents the balance in the allowance for doubtful accounts and activity for the periods presented.

	Years Ended December 31,
	2011			2010
Beginning balance	$	3		$	2
Additions: charged to cost and expenses	8			9
Deductions: write-off of uncollectible accounts	(11		)	(8		)
Other	2			—
Ending balance	$	2		$	3

Schedule of Cash Flow, Supplemental Disclosures [Table Text Block]

Non-cash investing and financing activities and supplemental cash flow information are as follows:

	Successor		Predecessor
	Period from Acquisition (March 26, 2012) to December 31, 2012		Period from January 1, 2012 to March 25, 2012		Years Ended December 31,
					2011			2010
SUPPLEMENTAL CASH FLOW INFORMATION:
Accrued capital expenditures	$	101	$	9	$	23		$	10
Cash paid for interest, net of interest capitalized	132		39		214			212
Cash received for income taxes	—		—		(11		)	(20		)

Schedule of Inventory, Current [Table Text Block]

The following table sets forth the components of inventory at the dates indicated.

	Transportation & Storage		Gathering & Processing		Distribution (3)		Total
December 31, 2012
Current
Natural gas (1)	$	124	$	—	$	—	$	124
Materials and supplies	20		9		—		29
NGL (2)	—		10		—		10
	$	144	$	19	$	—	$	163
December 31, 2011
Current
Natural gas (1)	$	96	$	—	$	62	$	158
Materials and Supplies	19		12		5		36
NGL (2)	—		10		—		10
Total Current	115		22		67		204
Non-Current
Natural gas (1)	3		—		—		3
	$	118	$	22	$	67	$	207

⁽¹⁾  Natural gas volumes held for operations in the Transportation and Storage segment at December 31, 2012 and 2011 were 34,891,000 MMBtu and 29,718,000 MMBtu, respectively.  Natural gas volumes held for operations in the Distribution segment, with the LDC Disposal Group, at December 31, 2012 and 2011 were 12,875,000 MMBtu and 14,191,000 MMBtu, respectively.

⁽²⁾  NGL volumes at December 31, 2012 and 2011 were 15,882,000 gallons and 12,061,000 gallons, respectively.

⁽³⁾  Inventory held by the Distribution segment has been included in current assets held for sale at December 31, 2012. See Note 3 for further information.