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Property, Plant and Equipment (Notes)
6 Months Ended
Jun. 30, 2014
Property, Plant and Equipment [Abstract]  
PROPERTY, PLANT AND EQUIPMENT
PROPERTY, PLANT AND EQUIPMENT

Property, plant and equipment, at cost, is as follows (in millions):
 
June 30,
2014
 
December 31,
2013
Refining
$
6,778

 
$
6,611

TLLP
1,581

 
1,504

Retail
806

 
778

Corporate
245

 
230

Property, plant and equipment, at cost
9,410

 
9,123

Accumulated depreciation
(2,414
)
 
(2,248
)
Net property, plant and equipment
$
6,996

 
$
6,875



We capitalize interest as part of the cost of major projects during the construction period. Capitalized interest totaled $5 million for both the three months ended June 30, 2014 and 2013, and $10 million and $9 million for the six months ended June 30, 2014 and 2013, respectively, and is recorded as a reduction to net interest and financing costs in our condensed statements of consolidated operations.