Liberty Media Corporation Quarterly report pursuant to Section 13 or 15(d)

Recent Accounting Pronouncements - Revenue recognition - Performance obligations (Details) - Formula One and Braves Holdings $ in Millions	Sep. 30, 2018 USD ($)
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2018-10-01
Remaining performance obligations
Remaining performance obligation, revenue expected to be recognized	$ 381
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	1,882
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	1,659
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	4,391
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	$ 403