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

Debt - Fair Value of Debt (Details)

Debt - Fair Value of Debt (Details) - USD ($) $ in Millions	Dec. 31, 2019	Jul. 31, 2019	Jun. 30, 2019	Mar. 18, 2019	Feb. 14, 2019	Feb. 01, 2019	Dec. 31, 2018	Jul. 31, 2017	May 31, 2016	Mar. 31, 2015	May 31, 2013
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Long-term debt, measured at fair value	$ 3,678						$ 2,487
Liberty Sirius XM Group \| Sirius XM 3.875% Senior Notes due 2022
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Debt instrument interest rate (as a percent)	3.875%							3.875%
Long-term debt, measured at fair value	$ 1,021
Liberty Sirius XM Group \| Sirius XM 4.625% Senior Notes Due 2023
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Debt instrument interest rate (as a percent)	4.625%										4.625%
Long-term debt, measured at fair value	$ 508
Liberty Sirius XM Group \| Sirius Xm 4.625% Senior Notes Due 2024
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Debt instrument interest rate (as a percent)	4.625%	4.625%
Long-term debt, measured at fair value	$ 1,569
Liberty Sirius XM Group \| Sirius XM 5.375% Senior Notes Due 2025
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Debt instrument interest rate (as a percent)	5.375%									5.375%
Long-term debt, measured at fair value	$ 1,036
Liberty Sirius XM Group \| Sirius XM 5.375% Senior Notes due 2026
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Debt instrument interest rate (as a percent)	5.375%								5.375%
Long-term debt, measured at fair value	$ 1,063
Liberty Sirius XM Group \| Sirius XM 5.0% Senior Notes due 2027
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Debt instrument interest rate (as a percent)	5.00%
Long-term debt, measured at fair value	$ 1,584
Liberty Sirius XM Group \| Sirius Xm 5.50% Senior Notes Due 2029
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Debt instrument interest rate (as a percent)	5.50%		5.50%
Long-term debt, measured at fair value	$ 1,355
Liberty Sirius XM Group \| Pandora 1.75% Convertible Senior Notes due 2020
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Debt instrument interest rate (as a percent)	1.75%			1.75%	1.75%	1.75%
Long-term debt, measured at fair value	$ 1
Liberty Sirius XM Group \| Pandora 1.75% Convertible Senior Notes due 2023
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Debt instrument interest rate (as a percent)	1.75%					1.75%
Long-term debt, measured at fair value	$ 239