Annual report pursuant to Section 13 and 15(d)

Goodwill and Intangible Assets - Intangible Assets Not Subject to Amortization (Details)

v3.20.4
Goodwill and Intangible Assets - Intangible Assets Not Subject to Amortization (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Intangible Assets      
Intangibles not subject to amortization $ 235 $ 1,884 $ 3
Sirius XM Holdings | Trademarks      
Intangible Assets      
Intangibles not subject to amortization 1,242 1,262  
Braves Holdings | Franchise Rights      
Intangible Assets      
Intangibles not subject to amortization $ 143 $ 143