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

Annual report pursuant to Section 13 and 15(d)

Tracking Stocks (Narrative) (Details)

Tracking Stocks (Narrative) (Details) $ / shares in Units, $ in Millions							1 Months Ended			12 Months Ended
	Jan. 23, 2018 $ / shares	Nov. 30, 2016 USD ($)	Oct. 26, 2016 $ / shares	Sep. 07, 2016 agreement	Sep. 07, 2016 item	May 16, 2016 shares	Jun. 30, 2016 USD ($)	Jun. 16, 2016 $ / shares shares	May 11, 2016	Dec. 31, 2017 USD ($) $ / shares shares	Jan. 23, 2017	Dec. 31, 2016 USD ($)	Oct. 27, 2016	Apr. 15, 2016 shares	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)
Targeted or Tracking Stock, Stock [Line Items]
Number of tracking stock groups														3
Cash and cash equivalents										$ 1,029		$ 562			$ 201	$ 681
Liberty Sirius XM Group
Targeted or Tracking Stock, Stock [Line Items]
Number of tracking stock shares received in the Recapitalization for one share of Liberty Media common stock \| shares														1
Cash and cash equivalents										615		287			112	148
Braves Group
Targeted or Tracking Stock, Stock [Line Items]
Number of tracking stock shares received in the Recapitalization for one share of Liberty Media common stock \| shares														0.1
Cash and cash equivalents										132		107			13	11
Braves Group \| Common Class C
Targeted or Tracking Stock, Stock [Line Items]
Number of subscription rights received for each share of common stock held \| shares						0.47
Share Price \| $ / shares								$ 12.80
Percentage discount on stock subscriptions									20
Pre rights offering trading period									18 days
Stock Issued During Period, Shares, Period Increase (Decrease) \| shares								15,833,634
Formula One Group
Targeted or Tracking Stock, Stock [Line Items]
Number of tracking stock shares received in the Recapitalization for one share of Liberty Media common stock \| shares														0.25
Cash and cash equivalents										$ 282		$ 168			$ 76	$ 522
SIRIUS XM
Targeted or Tracking Stock, Stock [Line Items]
Common Stock, Dividends, Per Share, Declared \| $ / shares	$ 0.011									$ 0.044
Payments of Dividends										$ 190
Cash Dividends Paid to Parent Company										130
SIRIUS XM \| Liberty Sirius XM Group
Targeted or Tracking Stock, Stock [Line Items]
Cash and cash equivalents										$ 69
SIRIUS XM \| Quarterly
Targeted or Tracking Stock, Stock [Line Items]
Common Stock, Dividends, Per Share, Declared \| $ / shares			$ 0.01
Payments of Dividends		$ 48
Cash Dividends Paid to Parent Company		$ 32
Formula 1 \| Braves Group
Targeted or Tracking Stock, Stock [Line Items]
Percentage ownership										15.10%				20.00%
Investment Owned, Balance, Shares \| shares										9,084,940
Formula 1 \| Formula One Group
Targeted or Tracking Stock, Stock [Line Items]
Cash and cash equivalents										$ 165
Braves Holdings
Targeted or Tracking Stock, Stock [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity										792
Braves Holdings \| Braves Group
Targeted or Tracking Stock, Stock [Line Items]
Cash and cash equivalents										$ 55
Intergroup Note \| Braves Group
Targeted or Tracking Stock, Stock [Line Items]
Repayments of Lines of Credit							$ 150
Line of Credit Facility, Maximum Borrowing Capacity							$ 165
Delta Topco
Targeted or Tracking Stock, Stock [Line Items]
Investment ownership percentage				20.00%	20.00%
Number of stock purchase agreements				2	2
Interest acquired (as a percent)				20.00%	20.00%						100.00%
Diluted investment ownership percentage													19.10%
Business Acquisition, Percentage of Voting Interests Acquired				20.00%	20.00%						100.00%
Delta Topco \| Maximum
Targeted or Tracking Stock, Stock [Line Items]
Interest acquired (as a percent)				20.00%	20.00%
Business Acquisition, Percentage of Voting Interests Acquired				20.00%	20.00%