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Note 10 - Income Taxes - Significant Components of Deferred Tax Liabilities and Assets (Details) - USD ($)
$ in Millions
Dec. 31, 2019
Dec. 31, 2018
Deferred tax liabilities:    
Net book value of property and equipment $ 83 $ 21
Broadcast licenses, goodwill and other intangibles 869 286
Total deferred tax liabilities 952 307
Deferred tax assets:    
Liability for accrued vacation 3 2
Liability for accrued bonus 7 4
Allowance for doubtful accounts 3 1
Liability under health and welfare plan 0 1
Liability for pension plan 10 8
Federal operating loss carryforwards 87 0
State and local operating loss carryforwards 31 2
Acquisition costs 2 2
Restricted stock 4 2
Investments 4 0
Interest expense limitation 4 0
Other 1 0
Total deferred tax assets 156 22
Valuation allowance for deferred tax assets (14) 0
Net deferred tax assets 142 22
Deferred tax liabilities, net of deferred tax assets $ 810 $ 285