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

Assets And Liabilities Measured At Fair Value (Details 1)

Assets And Liabilities Measured At Fair Value (Details 1) (USD $) Share data in Millions, except Per Share data, unless otherwise specified	12 Months Ended			1 Months Ended	4 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Sep. 30, 2014	Dec. 31, 2014	Oct. 17, 2013	Oct. 31, 2013
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Realized and unrealized gains (losses) on financial instruments, net	$ 38,000,000us-gaap_UnrealizedGainLossOnSecurities	$ 295,000,000us-gaap_UnrealizedGainLossOnSecurities	$ 230,000,000us-gaap_UnrealizedGainLossOnSecurities
1.375% Cash Convertible Senior Notes due 2023
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt face amount						1,000,000,000
1.375% Cash Convertible Senior Notes due 2023 \| Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt face amount							1,000,000,000
Fair Value Option Securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Realized and unrealized gains (losses) on financial instruments, net	80,000,000	306,000,000	310,000,000
Convertible Notes Payable \| Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Realized and unrealized gains (losses) on financial instruments, net	12,000,000	(17,000,000)
Bond Hedge Change in Fair Value \| Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Realized and unrealized gains (losses) on financial instruments, net	(89,000,000)	(1,000,000)
Other Financial Instruments \| Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Realized and unrealized gains (losses) on financial instruments, net	$ 35,000,000	$ 7,000,000	$ (80,000,000)
Forward Contracts \| Live Nation
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Maximum shares to be purchased				15.9
Counterparty shares acquired					8.6
Weighted average stock price shares purchased by counterparty					$ 23.40