Analysis: Deferred Assets and Liabilities, Net

Entity Registrant Name Marathon Petroleum Corp
CIK 0001510295
Accession number 0001510295-14-000004
Link to XBRL instance http://www.sec.gov/Archives/edgar/data/1510295/000151029514000004/mpc-20131231.xml
Fiscal year end --12-31
Fiscal year focus 2013
Fiscal period focus FY
Current balance sheet date 2013-12-31
Current year-to-date income statement start date 2013-01-01
Commentary Conforms with all rules.
Level 3 Text Block concept us-gaap:ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock
Deferred tax assets and liabilities resulted from the following:
 
December 31,         
(In millions)
2013
 
2012
Deferred tax assets:
 
 
 
Employee benefits
$
483

 
$
585

Environmental
37

 
35

Other
49

 
55

Total deferred tax assets
569

 
675

Deferred tax liabilities:
 
 
 
Property, plant and equipment
2,290

 
2,225

Inventories
614

 
610

Investments in subsidiaries and affiliates
267

 
307

Other
70

 
29

Total deferred tax liabilities
3,241

 
3,171

Net deferred tax liabilities
$
2,672

 
$
2,496

Level 4 Details Key Concepts: Deferred tax assets (liabilities)

Description Fact value US GAAP XBRL Concept
Deferred tax assets, gross 0
Valuation allowance -2,000,000 us-gaap:DeferredTaxAssetsValuationAllowance
Deferred tax assets, net 569,000,000 us-gaap:DeferredTaxAssetsNet
Deferred tax liabilities -3,241,000,000 us-gaap:DeferredTaxLiabilities
Deferred tax assets (liabilities), net -2,672,000,000 us-gaap:DeferredTaxAssetsLiabilitiesNet
CHECK 0

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(Classified balance sheet) Deferred tax assets (liabilities), net components current/noncurrent asset/liability

Description Fact value US GAAP XBRL Concept
Deferred tax assets, net, current 0
Deferred tax assets, net, noncurrent 0
Deferred tax liabilities, net, current 0
Deferred tax liabilities, net, noncurrent -2,304,000,000 us-gaap:DeferredTaxLiabilities
Deferred tax assets (liabilities), net -2,672,000,000 us-gaap:DeferredTaxAssetsLiabilitiesNet
CHECK 0

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(Unclassified balance sheet) Deferred tax assets (liabilities), net components asset/liability

Description Fact value US GAAP XBRL Concept
Deferred tax assets 569,000,000
Deferred tax liabilities, net -3,241,000,000 us-gaap:DeferredTaxLiabilities
Deferred tax assets (liabilities), net -2,672,000,000 us-gaap:DeferredTaxAssetsLiabilitiesNet
CHECK 0

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