Segment Information (Tables)

3 Months Ended

Mar. 31, 2015

Segment Information [Abstract]

Operating Results for Each Segment

Results for each segment are shown below:

	Three Months Ended March 31,
	2015			2014
External Revenues
Gathering and Processing	$	887		$	793
Natural Gas Transportation	—			—
NGL Services	—			—
Contract Services	84			63
Natural Resources	25			2
Corporate	3			5
Eliminations	—			—
Total	$	999		$	863
Intersegment Revenues
Gathering and Processing	$	—		$	—
Natural Gas Transportation	—			—
NGL Services	—			—
Contract Services	1			4
Natural Resources	—			—
Corporate	—			—
Eliminations	(1		)	(4		)
Total	$	—		$	—
Segment Margin
Gathering and Processing	$	261		$	166
Natural Gas Transportation	—			—
NGL Services	—			—
Contract Services	70			56
Natural Resources	25			2
Corporate	3			5
Eliminations	(1		)	(4		)
Total	$	358		$	225
Operation and Maintenance
Gathering and Processing	$	107		$	60
Natural Gas Transportation	—			—
NGL Services	—			—
Contract Services	22			20
Natural Resources	4			—
Corporate	1			2
Eliminations	(1		)	(4		)
Total	$	133		$	78

Reconciliation of Total Segment Margin to Income (Loss) Before Income Taxes

The table below provides a reconciliation of total segment margin to income before income taxes:

	Three Months Ended March 31,
	2015			2014
Total segment margin	$	358		$	225
Operation and maintenance	(133		)	(78		)
General and administrative	(36		)	(33		)
Gain on asset sales, net	—			2
Depreciation, depletion and amortization	(158		)	(94		)
Income from unconsolidated affiliates	50			43
Interest expense, net	(82		)	(56		)
Other income and deductions, net	3			2
Income before income taxes	$	2		$	11

Schedule Of Assets Related To Balance Sheet

The tables below provide amounts reflected in the condensed consolidated balance sheets for each segment:

Total Assets	March 31, 2015		December 31, 2014
Gathering and Processing	$	12,290	$	12,069
Natural Gas Transportation	1,105		1,119
NGL Services	1,217		1,162
Contract Services	2,089		2,035
Natural Resources	525		529
Corporate and Others	190		189
Total	$	17,416	$	17,103

Investments in Unconsolidated Affiliates	March 31, 2015		December 31, 2014
Gathering and Processing	$	163	$	139
Natural Gas Transportation	1,104		1,117
NGL Services	1,217		1,162
Total	$	2,484	$	2,418