Segment Information (Tables)

12 Months Ended

Dec. 31, 2016

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):

	2016
Domestic (U.S. and Canada)	$	22,202
Pacific		4,959
Atlantic		6,157
Latin America		3,238
Total	$	36,556
	2015
Domestic (U.S. and Canada)	$	21,931
Pacific		5,498
Atlantic		7,068
Latin America		3,367
Total	$	37,864
	2014
Domestic (U.S. and Canada)	$	22,320
Pacific		5,767
Atlantic		7,321
Latin America		3,493
Total	$	38,901