Analysis: Deferred Assets and Liabilities, Net

Entity Registrant Name COMCAST CORP
CIK 0001166691
Accession number 0001193125-14-047522
Link to XBRL instance http://www.sec.gov/Archives/edgar/data/1166691/000119312514047522/cmcsa-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
Components of Net Deferred Tax Liability
December 31 (in millions) 2013 2012
Deferred Tax Assets:    
 Net operating loss carryforwards$ 495$ 491
 Differences between book and tax basis of long-term debt  117  109
 Nondeductible accruals and other  3,588  1,771
 Less: Valuation allowance  405  355
    3,795  2,016
Deferred Tax Liabilities:    
 Differences between book and tax basis of property and equipment and intangible assets  34,044  29,185
 Differences between book and tax basis of investments  473  848
 Differences between book and tax basis of indexed debt securities  610  587
 Differences between book and tax basis of foreign subsidiaries and undistributed foreign earnings  367  -
 Differences between book and tax outside basis of NBCUniversal  -  1,413
    35,494  32,033
Net deferred tax liability$ 31,699$ 30,017

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

Description Fact value US GAAP XBRL Concept
Deferred tax assets, gross 0
Valuation allowance 405,000,000 us-gaap:DeferredTaxAssetsValuationAllowance
Deferred tax assets, net 3,795,000,000 us-gaap:DeferredTaxAssetsNet
Deferred tax liabilities -35,494,000,000 us-gaap:DeferredIncomeTaxLiabilities
Deferred tax assets (liabilities), net -31,699,000,000
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 -31,935,000,000 us-gaap:DeferredIncomeTaxLiabilities
Deferred tax assets (liabilities), net -31,699,000,000
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 3,795,000,000
Deferred tax liabilities, net -35,494,000,000 us-gaap:DeferredIncomeTaxLiabilities
Deferred tax assets (liabilities), net -31,699,000,000
CHECK 0

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