v3.7.0.1
Segment Information (Tables)
 3 Months Ended
Mar. 31, 2017
Segment Reporting [Abstract]  
Schedule of Financial Data for Segments
The tables below show our financial data for our segments for the periods indicated (in millions):
 
Three Months Ended March 31, 2017
 
West
 
Texas
 
East
 
Consolidation
and
Elimination
 
Total
Revenues from external customers
$
712

 
$
799

 
$
770

 
$
—

 
$
2,281

Intersegment revenues
2

 
3

 
2

 
(7
)
 
—

Total operating revenues
$
714

 
$
802

 
$
772

 
$
(7
)
 
$
2,281

Commodity Margin
$
221

 
$
148

 
$
189

 
$
—

 
$
558

Add: Mark-to-market commodity activity, net and other(1)
77

 
(30
)
 
(8
)
 
(8
)
 
31

Less:
 
 
 
 
 
 
 
 
 
Plant operating expense
97

 
96

 
96

 
(7
)
 
282

Depreciation and amortization expense
91

 
62

 
53

 
—

 
206

Sales, general and other administrative expense
13

 
17

 
10

 
—

 
40

Other operating expenses
9

 
3

 
9

 
(1
)
 
20

(Gain) on sale of assets, net
—

 
—

 
(27
)
 
—

 
(27
)
(Income) from unconsolidated subsidiaries
—

 
—

 
(4
)
 
—

 
(4
)
Income (loss) from operations
88

 
(60
)
 
44

 
—

 
72

Interest expense
 
 
 
 
 
 
 
 
159

Debt extinguishment costs and other (income) expense, net
 
 
 
 
 
 
 
 
26

Loss before income taxes
 
 
 
 
 
 
 
 
$
(113
)

 
Three Months Ended March 31, 2016
 
West
 
Texas
 
East
 
Consolidation
and
Elimination
 
Total
Revenues from external customers
$
424

 
$
532

 
$
659

 
$
—

 
$
1,615

Intersegment revenues
2

 
3

 
3

 
(8
)
 
—

Total operating revenues
$
426

 
$
535

 
$
662

 
$
(8
)
 
$
1,615

Commodity Margin
$
197

 
$
153

 
$
230

 
$
—

 
$
580

Add: Mark-to-market commodity activity, net and other(1)
46

 
(110
)
 
(21
)
 
(6
)
 
(91
)
Less:
 
 
 
 
 
 
 
 
 
Plant operating expense
91

 
86

 
84

 
(6
)
 
255

Depreciation and amortization expense
69

 
53

 
58

 
—

 
180

Sales, general and other administrative expense
10

 
16

 
12

 
—

 
38

Other operating expenses
8

 
2

 
10

 
—

 
20

(Income) from unconsolidated subsidiaries
—

 
—

 
(7
)
 
—

 
(7
)
Income (loss) from operations
65

 
(114
)
 
52

 
—

 
3

Interest expense
 
 
 
 
 
 
 
 
157

Other (income) expense, net
 
 
 
 
 
 
 
 
5

Loss before income taxes
 
 
 
 
 
 
 
 
$
(159
)
_________
(1)
Includes $(22) million and $(22) million of lease levelization and $60 million and $27 million of amortization expense for the three months ended March 31, 2017 and 2016, respectively.