XML 33 R12.htm IDEA: XBRL DOCUMENT v3.8.0.1
Inventories, net
12 Months Ended
Dec. 31, 2017
Inventory Disclosure [Abstract]  
Inventories, net
Inventories, net
Inventories consisted of the following:
 
December 31,
2017
 
December 31,
2016
 
(in millions)
Fuel
$
387

 
$
383

Merchandise
30

 
29

Other
9

 
11

Inventories, net
$
426

 
$
423