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Stock-Based Compensation - Long-Term Performance-Based Plans (Details) - USD ($)
$ in Millions
12 Months Ended
Nov. 04, 2020
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Share-based compensation additional disclosures                  
Vested (in shares)   (28,955) (916,315) (11,175)          
Other Employee Performance Awards                  
Share-based compensation additional disclosures                  
Vested (in shares)   0              
Long-Term Performance Based Plans                  
Share-based compensation additional disclosures                  
Percentage of performance goals probable of achievement   90.00% 95.00% 90.00%          
Percentage of award vested   69.00%              
Vested (in shares)   0              
LTIP 2013                  
Share-based compensation additional disclosures                  
Portion meeting vesting condition (as a percent)         20.00%        
Percentage of performance goals probable of achievement             30.00% 10.00% 20.00%
Vested (in shares)   0              
LTIP 2017                  
Share-based compensation additional disclosures                  
Percentage of performance goals probable of achievement         75.00% 75.00%      
Reversed of non-cash, stock-based compensation expense   $ 13              
Ergen 2020 Performance Award [Member]                  
2005 LTIP Terms                  
Awards vesting period 10 years                
Share-based compensation additional disclosures                  
Percentage of award vested   20.00%              
Awards vesting period 10 years                
Ergen 2020 Performance Award [Member] | Performance Awards [Member]                  
Share-based compensation additional disclosures                  
Percentage of award vested   20.00%              
Class A common stock | Ergen 2020 Performance Award [Member]                  
Share-based compensation additional disclosures                  
Granted 12,500,000