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Intangible Assets - Narrative (Details)
$ in Millions
 6 Months Ended 12 Months Ended 39 Months Ended
Jun. 30, 2022
USD ($)
license
Jun. 30, 2021
USD ($)
Dec. 31, 2021
USD ($)
license
Dec. 31, 2020
USD ($)
Dec. 31, 2024
USD ($)
Licenses          
Cash paid for licenses $ 563 $ 1,259      
Auction 107          
Licenses          
Licenses won | license     254    
Total winning bid     $ 1,283    
Cash paid for licenses     36    
FCC upfront payment       $ 30  
Auction 107 | Subsequent event          
Licenses          
Cash paid for licenses         $ 187
Auction 110          
Licenses          
Licenses won | license 380        
Total winning bid $ 580        
FCC upfront payment     $ 20