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, 2021
Dec. 31, 2020
Dec. 31, 2019
Nov. 03, 2021
Deferred income assets and liabilities        
Tax loss and credit carryforwards $ 1,475 $ 1,436    
Accrued stock compensation 84 107    
Other accrued liabilities 232 217    
Deferred revenue 41 55    
Discount on debt 207 25    
Investments 83 107    
Other future deductible amounts 19 24    
Deferred tax assets 2,141 1,971    
Valuation allowance (424) (293)    
Net deferred tax assets 1,717 1,678    
Fixed assets 478 448    
Intangible assets 2,767 2,830    
Deferred tax liabilities 3,245 3,278    
Net deferred tax liabilities 1,528 1,600    
Valuation allowance increase that affected tax expense 135      
Valuation allowance decrease that affect equity (4)      
Tax losses and tax credit carryforwards that expire 4      
Tax loss and credit carryforward valuation allowance 424      
Income tax uncertainties        
Unrecognized Tax Benefits, Beginning Balance 432 405 $ 387  
Decrease for tax positions of prior years (2) (7) (13)  
Increase (decrease) in tax positions for current year 10 20 12  
Increase in tax positions from prior years 9 14 1  
Settlements with taxing authorities (250)      
Increase in tax positions from acquisition     18  
Unrecognized Tax Benefits, Ending Balance 179 $ 432 $ 405  
Unrecognized Tax Benefits that Would Impact Effective Tax Rate $ 179      
Sirius XM Holdings        
Deferred income assets and liabilities        
Ownership percentage 81.00%      
Domestic        
Deferred income assets and liabilities        
Deferred tax assets, operating loss carryforwards $ 170      
Interest expense carryforwards 54      
Tax credit carryforwards 234      
State        
Deferred income assets and liabilities        
Deferred tax assets, operating loss carryforwards 243      
Tax credit carryforwards 100      
Foreign        
Deferred income assets and liabilities        
Deferred tax assets, operating loss carryforwards 350      
Interest expense carryforwards 320      
Minimum | Sirius XM Holdings        
Deferred income assets and liabilities        
Ownership percentage       80.00%
Maximum        
Income tax uncertainties        
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued $ 1