Annual report pursuant to Section 13 and 15(d)

Income Taxes - Tax Effects And Reconciliation Of Unrecognized Tax Benefits (Details)

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Income Taxes - Tax Effects And Reconciliation Of Unrecognized Tax Benefits (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Deferred income assets and liabilities      
Tax loss and credit carryforwards $ 1,510 $ 1,355  
Accrued stock compensation 106 97  
Other accrued liabilities 240    
Deferred revenue 74 514  
Discount on debt 45    
Other future deductible amounts 31 22  
Deferred tax assets 2,006 1,988  
Valuation allowance (216) (174)  
Net deferred tax assets 1,790 1,814  
Investments 90 26  
Fixed assets 458 359  
Intangible assets 2,912 2,690  
Discount on debt   76  
Other future taxable amounts   314  
Deferred tax liabilities 3,460 3,465  
Net deferred tax liabilities 1,670 1,651  
Valulation allowance increase that affected tax expense 40    
Valuation allowance increase that affect equity 2    
Tax losses and tax credit carryforwards that expire 2    
Tax loss and credit carryforward valuation allowance 216    
Income tax uncertainties      
Unrecognized Tax Benefits, Beginning Balance 387 365 $ 304
Reduction for tax positions of prior years (13) (27) (1)
Increase in tax positions for current year 12 15 16
Increase in tax positions from prior years 1 65 37
Settlements with taxing authorities   (31) (423)
Increase in tax positions from acquisition 18   432
Unrecognized Tax Benefits, Ending Balance 405 $ 387 $ 365
Unrecognized Tax Benefits that Would Impact Effective Tax Rate 297    
Domestic      
Deferred income assets and liabilities      
Deferred tax assets, operating loss carryforwards 44    
Interest expense carryforwards 85    
Foreign      
Deferred income assets and liabilities      
Deferred tax assets, operating loss carryforwards 239    
Interest expense carryforwards 130    
Maximum      
Income tax uncertainties      
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued 1    
Sirius XM Holdings      
Deferred income assets and liabilities      
Tax loss and credit carryforwards $ 1,010