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Oil Refinery (Tables)
6 Months Ended
Jun. 30, 2013
Segment Reporting [Abstract]  
Schedule of Segment Reporting Information, by Segment [Table Text Block]
Segment results are prepared based on our internal accounting methods described below, with reconciliations to consolidated amounts in accordance with GAAP. Our segments are not designed to measure operating income or loss directly related to the products and services included in each segment on a stand-alone basis.
(in millions)
Airline
Refinery
 
Intersegment Sales/ Other
 
Consolidated
Three Months Ended June 30
 
 
 
 
 
 
Operating revenue:
$
9,707

$
1,864

 
 
 
$
9,707

Sales to airline segment
 
 
 
$
(315
)
(1) 
 
Exchanged products
 
 
 
(1,347
)
(2) 
 
Sales of refined products to third parties
 
 
 
(202
)
(3) 
 
Operating income (loss)(4)
965

(51
)
 

 
914

Interest expense, net
172


 

 
172

Depreciation and amortization expense
411

4

 

 
415

Total assets, end of period
44,567

1,205

 

 
45,772

Capital expenditures
332

6

 

 
338

Six Months Ended June 30
 
 
 
 
 
 
Operating revenue:
$
18,207

$
3,595

 
 
 
$
18,207

Sales to airline segment
 
 
 
$
(607
)
(1) 
 
Exchanged products
 
 
 
(2,668
)
(2) 
 
Sales of refined products to third parties
 
 
 
(320
)
(3) 
 
Operating income (loss)(4)
1,209

(73
)
 

 
1,136

Interest expense, net
350


 

 
350

Depreciation and amortization expense
812

8

 

 
820

Capital expenditures
973

12

 

 
985

(1) 
Represents transfers, valued on a market price basis, from the refinery to the airline segment for use in airline operations. We determine market price by reference to the market index for the primary delivery location for jet fuel from the refinery, which is New York harbor.
(2) 
Represents value of products exchanged under our buy/sell agreements, as discussed above, determined on a market price basis.
(3) 
Represents sales of refined products to third parties. These sales were at or near cost; accordingly, the margin on these sales is de minimis.
(4) 
Includes allocations of $25 million and $44 million of losses for the three and six months ended June 30, 2013, respectively from the refinery segment to the airline segment, representing a portion of the refinery's inventory price risk.