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

Quarterly report pursuant to Section 13 or 15(d)

Tracking Stocks (Narrative) (Details)

Tracking Stocks (Narrative) (Details) $ / shares in Units, $ in Millions			1 Months Ended			3 Months Ended
	Oct. 26, 2016 $ / shares	May 16, 2016 shares	Jun. 30, 2016 USD ($)	Jun. 16, 2016 $ / shares shares	May 11, 2016	Mar. 31, 2017 shares	Oct. 27, 2016	Sep. 30, 2016 USD ($) shares	Sep. 07, 2016	Apr. 15, 2016 shares	Dec. 31, 2015 USD ($)	Sep. 30, 2015 USD ($)	Dec. 31, 2014 USD ($)
Targeted or Tracking Stock, Stock [Line Items]
Number of tracking stock groups										3
Cash and cash equivalents								$ 940			$ 201	$ 588	$ 681
Outstanding principal								8,099
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								611			112	153	148
Outstanding principal								6,407
Liberty 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								109			13	31	11
Outstanding principal								211
Liberty 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
Liberty Media 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								220			76	$ 404	$ 522
Outstanding principal								$ 1,481
Liberty Braves Group \| Liberty Media Group
Targeted or Tracking Stock, Stock [Line Items]
Percentage ownership								15.50%		20.00%
Investment Owned, Balance, Shares \| shares								9,084,940
Liberty Braves Group \| Liberty Media Corporation \| Common Class C
Targeted or Tracking Stock, Stock [Line Items]
Investment Owned, Balance, Shares \| shares								9,084,940
Formula 1
Targeted or Tracking Stock, Stock [Line Items]
Investment ownership percentage									20.00%
Diluted investment ownership percentage							19.10%
Formula 1 \| Liberty Media Group
Targeted or Tracking Stock, Stock [Line Items]
Investment ownership percentage									20.00%
Diluted investment ownership percentage							19.10%
Forecast \| Liberty Media Group \| Common Class C
Targeted or Tracking Stock, Stock [Line Items]
Stock Issued During Period, Shares, Period Increase (Decrease) \| shares						138,000,000
Forecast \| Formula 1
Targeted or Tracking Stock, Stock [Line Items]
Business Acquisition, Percentage of Voting Interests Acquired						100.00%
Forecast \| Formula 1 \| Liberty Media Group
Targeted or Tracking Stock, Stock [Line Items]
Business Acquisition, Percentage of Voting Interests Acquired						100.00%
SIRIUS XM \| Liberty Sirius XM Group
Targeted or Tracking Stock, Stock [Line Items]
Cash and cash equivalents								$ 572
SIRIUS XM \| Quarterly
Targeted or Tracking Stock, Stock [Line Items]
Common Stock, Dividends, Per Share, Declared \| $ / shares	$ 0.01
SIRIUS XM \| Annual
Targeted or Tracking Stock, Stock [Line Items]
Common Stock, Dividends, Per Share, Declared \| $ / shares	$ 0.04
Intergroup note \| Liberty Braves Group
Targeted or Tracking Stock, Stock [Line Items]
Repayments of Lines of Credit			$ 150
Line of Credit Facility, Maximum Borrowing Capacity											$ 165