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		9 Months Ended
	Oct. 03, 2017 $ / shares	Sep. 07, 2016 agreement	Jun. 30, 2016 USD ($)	Jun. 16, 2016 $ / shares shares	Sep. 30, 2017 USD ($) shares	Jan. 23, 2017	Dec. 31, 2016 USD ($)	Oct. 27, 2016	Sep. 30, 2016 USD ($)	Apr. 15, 2016 shares	Dec. 31, 2015 USD ($)
Targeted or Tracking Stock, Stock [Line Items]
Number of tracking stock groups										3
Cash and cash equivalents					$ 783		$ 562		$ 940		$ 201
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					234		287		611		112
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					129		107		109		13
Braves Group \| Common Class C
Targeted or Tracking Stock, Stock [Line Items]
Share Price \| $ / shares				$ 12.80
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
Formula One Group
Targeted or Tracking Stock, Stock [Line Items]
Cash and cash equivalents					420		$ 168		$ 220		$ 76
SIRIUS XM
Targeted or Tracking Stock, Stock [Line Items]
Common Stock, Dividends, Per Share, Declared \| $ / shares	$ 0.011
Payments of Dividends					140
Cash Dividends Paid to Parent Company					95
SIRIUS XM \| Liberty Sirius XM Group
Targeted or Tracking Stock, Stock [Line Items]
Cash and cash equivalents					$ 74
Formula 1 \| Braves Group
Targeted or Tracking Stock, Stock [Line Items]
Percentage ownership					15.50%					20.00%
Investment Owned, Balance, Shares \| shares					9,084,940
Formula 1 \| Braves Group \| Common Class C
Targeted or Tracking Stock, Stock [Line Items]
Investment Owned, Balance, Shares \| shares					9,084,940
Formula 1 \| Formula One Group
Targeted or Tracking Stock, Stock [Line Items]
Cash and cash equivalents					$ 274
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%
Number of stock purchase agreements \| agreement		2
Interest acquired (as a percent)						100.00%
Diluted investment ownership percentage								19.10%
Business Acquisition, Percentage of Voting Interests Acquired						100.00%
Delta Topco \| Formula One Group
Targeted or Tracking Stock, Stock [Line Items]
Investment ownership percentage		20.00%
Interest acquired (as a percent)					100.00%
Diluted investment ownership percentage								19.10%
Business Acquisition, Percentage of Voting Interests Acquired					100.00%