SEGMENT INFORMATION (Tables)

12 Months Ended

Dec. 31, 2017

Operating Revenue by Principle Geographic Region

The Company’s operating revenue by principal geographic region (as defined by the U.S. Department of Transportation) for the years ended December 31 is presented in the table below (in millions):

	2017		2016		2015
Domestic (U.S. and Canada)	$	23,131	$	22,202	$	21,931
Pacific		4,898		4,959		5,498
Atlantic		6,285		6,157		7,068
Latin America		3,422		3,238		3,367
Total	$	37,736	$	36,556	$	37,864