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Quarterly report pursuant to Section 13 or 15(d)

Intangible Assets (Changes In The Carrying Amount Of Goodwill) (Details)

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Intangible Assets (Changes In The Carrying Amount Of Goodwill) (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Sep. 30, 2013
Sep. 30, 2012
Amortization of Intangible Assets $ 201 $ 114 $ 589 $ 331
Goodwill [Roll Forward] Ìý Ìý Ìý Ìý
Balance, beginning of the year Ìý Ìý 9,556 Ìý
Foreign currency translation adjustments Ìý Ìý (29) Ìý
Goodwill, Acquired During Period Ìý Ìý 26 Ìý
Balance, ending of the year 9,553 Ìý 9,553 Ìý
QVC [Member]
Ìý Ìý Ìý Ìý
Goodwill [Roll Forward] Ìý Ìý Ìý Ìý
Balance, beginning of the year Ìý Ìý 5,349 Ìý
Foreign currency translation adjustments Ìý Ìý (29) Ìý
Goodwill, Acquired During Period Ìý Ìý 0 Ìý
Balance, ending of the year 5,320 Ìý 5,320 Ìý
E-commerce [Member]
Ìý Ìý Ìý Ìý
Goodwill [Roll Forward] Ìý Ìý Ìý Ìý
Balance, beginning of the year Ìý Ìý 558 Ìý
Foreign currency translation adjustments Ìý Ìý 0 Ìý
Goodwill, Acquired During Period Ìý Ìý (10) Ìý
Balance, ending of the year 548 Ìý 548 Ìý
TripAdvisor, Inc. [Member]
Ìý Ìý Ìý Ìý
Goodwill, Allocation Adjustment Ìý Ìý 36 Ìý
Goodwill [Roll Forward] Ìý Ìý Ìý Ìý
Balance, beginning of the year Ìý Ìý 3,649 Ìý
Foreign currency translation adjustments Ìý Ìý 0 Ìý
Goodwill, Acquired During Period Ìý Ìý 36 [1] Ìý
Balance, ending of the year $ 3,685 Ìý $ 3,685 Ìý
[1] (1) The $36 million increase to TripAdvisor goodwill during the period is primarily attributable to certain acquisitions made by TripAdvisor during the nine months ended September 30, 2013 and to a lesser extent certain purchase price allocation adjustments recorded in connection with our acquisition of a controlling interest in TripAdvisor during December 2012.