Commitments and Contingencies (Details) $ in Millions	1 Months Ended
	Sep. 30, 2019 $ / item	Mar. 31, 2020 USD ($)
Braves Holdings
Commitments and Contingencies
Compensation guarantee aggregate total		$ 424
Amounts payable under guarantee in 2020		165
Amounts payable under guarantee in 2021		97
Amounts payable under guarantee in 2022		42
Amounts payable under guarantee in 2023		33
Amounts payable under guarantee thereafter		$ 87
Settled Litigation | Sound exchange Lawsuit | Sirius XM Holdings
Commitments and Contingencies
Performance for non subscription transmissions | $ / item	0.0018
Performance for subscription transmissions | $ / item	0.0024
Commercial webcasters per performance for non subscription transmissions | $ / item	0.0028
Commercial webcasters per performance for subscription transmissions | $ / item	0.0031