Rendering

Component: (Network and Table)
Network
2316301 - Disclosure - Inventories (Tables)
(http://www.marathonpetroleum.com/role/InventoriesTables)
Table(Implied)
Slicers (applies to each fact value in each table cell)
Reporting Entity [Axis]0001510295 (http://www.sec.gov/CIK)
Inventory Disclosure [Abstract]Period [Axis]
2016-01-01 - 2016-12-31
Inventory Disclosure [Abstract]
 
Summary Of Inventories
 
December 31,    
(In millions)
2016
 
2015
Crude oil and refinery feedstocks
$
2,208

 
$
2,180

Refined products
2,810

 
2,804

Materials and supplies
485

 
438

Merchandise
153

 
173

Lower of cost or market reserve
—

 
(370
)
Total
$
5,656

 
$
5,225