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Quarterly report pursuant to Section 13 or 15(d)

Investments In Affiliates Accounted For Using The Equity Method (Summary of Share Earnings (Losses) of Affiliates) (Details)

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Investments In Affiliates Accounted For Using The Equity Method (Summary of Share Earnings (Losses) of Affiliates) (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Dec. 31, 2016
May 18, 2016
Schedule of Equity Method Investments [Line Items] Ìý Ìý Ìý Ìý
Share of earnings (losses) of affiliates, net $ (27) $ 3 Ìý Ìý
Investment in Affiliate $ 3,688 Ìý $ 3,161 Ìý
Liberty Broadband Ìý Ìý Ìý Ìý
Schedule of Equity Method Investments [Line Items] Ìý Ìý Ìý Ìý
Investment in Affiliate Ìý Ìý Ìý $ 2,400
Ownership Interest In Investee 24.00% Ìý Ìý Ìý
QVC Group Common Stock Ìý Ìý Ìý Ìý
Schedule of Equity Method Investments [Line Items] Ìý Ìý Ìý Ìý
Share of earnings (losses) of affiliates, net $ 14 21 Ìý Ìý
QVC Group Common Stock | HSN, Inc. Ìý Ìý Ìý Ìý
Schedule of Equity Method Investments [Line Items] Ìý Ìý Ìý Ìý
Share of earnings (losses) of affiliates, net 16 22 Ìý Ìý
QVC Group Common Stock | Other Ìý Ìý Ìý Ìý
Schedule of Equity Method Investments [Line Items] Ìý Ìý Ìý Ìý
Share of earnings (losses) of affiliates, net (2) (1) Ìý Ìý
Liberty Ventures common stock Ìý Ìý Ìý Ìý
Schedule of Equity Method Investments [Line Items] Ìý Ìý Ìý Ìý
Share of earnings (losses) of affiliates, net (41) (18) Ìý Ìý
Investment in Affiliate 3,688 Ìý Ìý Ìý
Liberty Ventures common stock | FTD Ìý Ìý Ìý Ìý
Schedule of Equity Method Investments [Line Items] Ìý Ìý Ìý Ìý
Share of earnings (losses) of affiliates, net (5) (3) Ìý Ìý
Liberty Ventures common stock | Other Ìý Ìý Ìý Ìý
Schedule of Equity Method Investments [Line Items] Ìý Ìý Ìý Ìý
Share of earnings (losses) of affiliates, net $ (36) $ (15) Ìý Ìý