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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 6 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Jun. 30, 2013
Jun. 30, 2012
Amortization of Intangible Assets $ 196 $ 109 $ 388 $ 217
Goodwill [Roll Forward] Ìý Ìý Ìý Ìý
Balance, beginning of the year Ìý Ìý 9,556 Ìý
Foreign currency translation adjustments Ìý Ìý (67) Ìý
Goodwill, Acquired During Period Ìý Ìý 32 Ìý
Balance, ending of the year 9,521 Ìý 9,521 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 (64) Ìý
Goodwill, Acquired During Period Ìý Ìý 0 Ìý
Balance, ending of the year 5,285 Ìý 5,285 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 (9) Ìý
Balance, ending of the year 549 Ìý 549 Ìý
TripAdvisor, Inc. [Member]
 Ìý Ìý Ìý Ìý
Goodwill, Allocation Adjustment Ìý Ìý 41 Ìý
Goodwill [Roll Forward] Ìý Ìý Ìý Ìý
Balance, beginning of the year Ìý Ìý 3,649 Ìý
Foreign currency translation adjustments Ìý Ìý (3) Ìý
Goodwill, Acquired During Period Ìý Ìý 41 [1] Ìý
Balance, ending of the year $ 3,687 Ìý $ 3,687 Ìý
[1] (1) The $41 million increase to TripAdvisor goodwill during the period is primarily attributable to certain acquisitions made by TripAdvisor during the six months ended June 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.