Annual report pursuant to Section 13 and 15(d)

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

v3.20.4
Income Taxes - Tax Effects And Reconciliation Of Unrecognized Tax Benefits (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2021
Deferred income assets and liabilities        
Tax loss and credit carryforwards $ 1,436 $ 1,510    
Accrued stock compensation 107 106    
Other accrued liabilities 217 240    
Deferred revenue 55 74    
Discount on debt 25 45    
Investments 107      
Other future deductible amounts 24 31    
Deferred tax assets 1,971 2,006    
Valuation allowance (293) (216)    
Net deferred tax assets 1,678 1,790    
Investments   90    
Fixed assets 448 458    
Intangible assets 2,830 2,912    
Deferred tax liabilities 3,278 3,460    
Net deferred tax liabilities 1,600 1,670    
Valuation allowance increase that affected tax expense 69      
Valuation allowance increase that affect equity 8      
Tax losses and tax credit carryforwards that expire 19      
Tax loss and credit carryforward valuation allowance 293      
Income tax uncertainties        
Unrecognized Tax Benefits, Beginning Balance 405 387 $ 365  
Reduction for tax positions of prior years (7) (13) (27)  
Increase in tax positions for current year 20 12 15  
Increase in tax positions from prior years 14 1 65  
Settlements with taxing authorities     (31)  
Increase in tax positions from acquisition   18    
Unrecognized Tax Benefits, Ending Balance 432 $ 405 $ 387  
Unrecognized Tax Benefits that Would Impact Effective Tax Rate $ 310      
Sirius XM        
Income tax uncertainties        
Ownership percentage 76.00%      
Domestic        
Deferred income assets and liabilities        
Deferred tax assets, operating loss carryforwards $ 61      
Interest expense carryforwards 97      
Foreign        
Deferred income assets and liabilities        
Deferred tax assets, operating loss carryforwards 300      
Interest expense carryforwards 214      
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 $ 745      
Forecast | Minimum | Sirius XM        
Income tax uncertainties        
Ownership percentage       80.00%