Liberty Media Corporation Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies - Revenue recognition - Performance obligations (Details) - Formula One and Braves Holdings $ in Millions	Dec. 31, 2018 USD ($)
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2019-01-01
Remaining performance obligations
Remaining performance obligation, revenue expected to be recognized	$ 1,905
Expected timing of satisfaction period	12 months
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2020-01-01
Remaining performance obligations
Remaining performance obligation, revenue expected to be recognized	$ 1,779
Expected timing of satisfaction period	12 months
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2021-01-01
Remaining performance obligations
Remaining performance obligation, revenue expected to be recognized	$ 4,603
Expected timing of satisfaction period	60 months
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2027-01-01
Remaining performance obligations
Remaining performance obligation, revenue expected to be recognized	$ 449
Expected timing of satisfaction period	108 months