Annual report pursuant to Section 13 and 15(d)

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

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Goodwill and Other Intangible Assets - Intangible Assets Not Subject to Amortization (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Intangible Assets      
Intangibles not subject to amortization $ 1,884 $ 3 $ 4,039
Sirius XM Holdings | Trademarks      
Intangible Assets      
Intangibles not subject to amortization 1,262 931  
Braves Holdings | Franchise Rights      
Intangible Assets      
Intangibles not subject to amortization $ 143 $ 143