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Income Taxes (Components of Income Tax Expense) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Current (Expense) Benefit: |  |  |
Federal | $ (2,085) | $ (2,026) | $ (2,411)
State | (425) | (639) | (277)
Foreign | (600) | (425) | (389)
Current income tax (expense) benefit | (3,110) | (3,090) | (3,077)
Deferred (Expense) Benefit: |  |  |
Federal | (902) | (546) | 10,651
State | 15 | 167 | (11)
Foreign | 324 | 89 | 6
Deferred income tax (expense) benefit | (563) | (290) | 10,646
Income tax (expense) benefit | (3,673) | (3,380) | 7,569
NBCUniversal Media LLC [Member] |  |  |
Current (Expense) Benefit: |  |  |
Foreign | (184) | (230) | (201)
Deferred (Expense) Benefit: |  |  |
Foreign | 44 | 31 | 7
Deferred income tax (expense) benefit | 42 | 39 | (2)
Withholding tax expense | (145) | (163) | (187)
U.S. domestic tax expense | (35) | 11 | (11)
Income tax (expense) benefit | $ (320) | $ (351) | $ (392)

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- Definition The amount of tax liability incurred by the Company in licensing its content to non-US territories. + References No definition available. + Details
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