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Segment Reporting (Tables)
12 Months Ended
Dec. 31, 2012
Segment Reporting [Abstract]  
Operating Revenues By Geographic Region
The Company’s operating revenues by geographic region (as defined by DOT) are summarized below (in millions):
 
 
Year Ended December 31,
 
 
2012
 
2011
 
2010
DOT Domestic
 
$
14,287

 
$
13,804

 
$
13,081

DOT Latin America
 
5,813

 
5,460

 
4,619

DOT Atlantic
 
3,411

 
3,499

 
3,365

DOT Pacific
 
1,344

 
1,216

 
1,105

Total consolidated revenues
 
$
24,855

 
$
23,979

 
$
22,170