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Inventories, net (Tables)
3 Months Ended
Mar. 31, 2017
Inventory Disclosure [Abstract]  
Schedule of Inventories
Inventories, net, consisted of the following:
 
March 31,
2017
 
December 31,
2016
 
(in millions)
Fuel-retail
$
52

 
$
58

Fuel-wholesale
313

 
364

Fuel-consignment
4

 
5

Merchandise
120

 
123

Equipment and maintenance spare parts
12

 
13

Other
11

 
10

Inventories, net
$
512

 
$
573