Rendering

Component: (Network and Table)
Network
2408406 - Disclosure - Related Party Transactions (Payables To Related Parties) (Detail)
(http://www.marathonpetroleum.com/role/RelatedPartyTransactionsPayablesToRelatedPartiesDetail)
TableSchedule of Related Party Transactions, by Related Party [Table]
Slicers (applies to each fact value in each table cell)
Related Party Transaction [Line Items]Period [Axis]
2013-12-31
2012-12-31
Investment, Name [Axis]Investment, Name [Axis]
Loop Llc [Member]Andersons Albion Ethanol Llc [Member]Andersons Clymers Ethanol Llc [Member]Andersons Marathon Ethanol Llc [Member]Other Equity Method Investees [Member]Investment, Name [Domain]Loop Llc [Member]Andersons Albion Ethanol Llc [Member]Andersons Clymers Ethanol Llc [Member]Andersons Marathon Ethanol Llc [Member]Other Equity Method Investees [Member]Investment, Name [Domain]
Payables to related parties
3,000,000  
2,000,000  
4,000,000  
5,000,000  
2,000,000  
16,000,000  
4,000,000  
0  
2,000,000  
5,000,000  
2,000,000  
13,000,000