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Quarterly report pursuant to Section 13 or 15(d)

Investments In Available-For-Sale Securities And Other Cost Investments (Investments In Available-For-Sale Securities And Other Cost Investments) (Details)

v2.4.0.8
Investments In Available-For-Sale Securities And Other Cost Investments (Investments In Available-For-Sale Securities And Other Cost Investments) (Details) (USD $)
In Millions, unless otherwise specified
9 Months Ended 3 Months Ended 9 Months Ended 9 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Dec. 31, 2012
Jun. 30, 2013
Time Warner Inc [Member]
Jun. 30, 2013
AOL Inc [Member]
Jun. 30, 2013
Time Warner [Member]
Sep. 30, 2013
Interactive Group [Member]
Sep. 30, 2012
Interactive Group [Member]
Dec. 31, 2012
Interactive Group [Member]
Sep. 30, 2013
Ventures Group [Member]
Sep. 30, 2012
Ventures Group [Member]
Dec. 31, 2012
Ventures Group [Member]
Sep. 30, 2013
Ventures Group [Member]
Time Warner Inc [Member]
Dec. 31, 2012
Ventures Group [Member]
Time Warner Inc [Member]
Sep. 30, 2013
Ventures Group [Member]
Time Warner Cable Inc [Member]
Dec. 31, 2012
Ventures Group [Member]
Time Warner Cable Inc [Member]
Sep. 30, 2013
Ventures Group [Member]
AOL Inc [Member]
Dec. 31, 2012
Ventures Group [Member]
AOL Inc [Member]
Sep. 30, 2013
Ventures Group [Member]
TripAdvisor AFS Securities [Member]
Dec. 31, 2012
Ventures Group [Member]
TripAdvisor AFS Securities [Member]
Sep. 30, 2013
Ventures Group [Member]
Other Investments [Member]
Dec. 31, 2012
Ventures Group [Member]
Other Investments [Member]
Sale of Available for Sale Securities, Shares Ìý Ìý Ìý 17.4 2.0 Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Cash proceeds from dispositions $ 1,136 $ 348 Ìý Ìý Ìý $ 1,099 $ 0 $ 0 Ìý $ 1,136 $ 348 Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Cost Method Investments Ìý Ìý Ìý Ìý Ìý Ìý 4 Ìý 4 Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Investments in available-for-sale securities and other cost investments $ 1,343 Ìý $ 1,819 Ìý Ìý Ìý $ 4 Ìý $ 4 $ 1,339 Ìý $ 1,815 $ 289 [1] $ 1,042 $ 610 $ 531 $ 0 [1] $ 59 $ 164 $ 99 $ 276 $ 84
[1] Liberty sold 17.4 million shares of Time Warner Inc. and 2.0 million shares of AOL Inc. for proceeds of $1,099 million during the three months ended June 30, 2013 in connection with the redemption of the 3.125% Exchangeable Senior Debentures, as discussed in note 9.