Investments In Affiliates Accounted For Using The Equity Method (Schedule Of Equity Ownership And Carrying Amount) (Details) (USD $)
In Millions, except Share data, unless otherwise specified |
12 Months Ended | 3 Months Ended | 12 Months Ended | 3 Months Ended | 12 Months Ended | 12 Months Ended | |||||||||||||||||||||||||||||||||
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Dec. 31, 2012
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Dec. 11, 2012
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Dec. 31, 2011
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Dec. 31, 2012
Expedia [Member]
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Dec. 31, 2012
Expedia [Member]
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Dec. 31, 2011
Expedia [Member]
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Jun. 30, 2012
TripAdvisor, Inc. [Member]
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Dec. 31, 2012
TripAdvisor, Inc. [Member]
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Dec. 11, 2012
TripAdvisor, Inc. [Member]
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Dec. 31, 2012
QVC 5.125% Senior Secured Notes due 2022 [Member]
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Sep. 30, 2012
QVC 5.125% Senior Secured Notes due 2022 [Member]
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Dec. 31, 2012
Interactive Group [Member]
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Dec. 31, 2011
Interactive Group [Member]
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Dec. 31, 2012
Interactive Group [Member]
HSN, Inc. [Member]
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Dec. 31, 2011
Interactive Group [Member]
HSN, Inc. [Member]
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Dec. 31, 2012
Interactive Group [Member]
Other5 [Member]
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Dec. 31, 2011
Interactive Group [Member]
Other5 [Member]
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Dec. 31, 2012
Ventures Group [Member]
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Dec. 31, 2011
Ventures Group [Member]
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Dec. 31, 2012
Ventures Group [Member]
Expedia [Member]
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Dec. 31, 2011
Ventures Group [Member]
Expedia [Member]
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Dec. 31, 2011
Ventures Group [Member]
TripAdvisor, Inc. [Member]
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Dec. 31, 2012
Ventures Group [Member]
Other [Member]
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Dec. 31, 2011
Ventures Group [Member]
Other [Member]
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Senior Notes | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | $ 500 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | |||||||||||||||
Long-term Debt, Gross | 7,824 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | 500 | Ìý | 4,560 | Ìý | Ìý | Ìý | Ìý | Ìý | 3,264 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | |||||||||||||||
underlying shares on forward contract | Ìý | Ìý | Ìý | Ìý | 12,000,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | |||||||||||||||
Proceeds from Sale of Equity Method Investments | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | 338 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | |||||||||||||||
Equity Method Investment, Realized Gain (Loss) on Disposal | Ìý | Ìý | Ìý | 443 | Ìý | Ìý | 288 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | |||||||||||||||
per share price of forward sales contract | Ìý | Ìý | Ìý | $ 34.316 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | |||||||||||||||
Proceeds from Sale of Available-for-sale Securities | 1,030 | Ìý | Ìý | 412 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | 0 | 0 | Ìý | Ìý | Ìý | Ìý | 1,030 | 0 | Ìý | Ìý | Ìý | Ìý | Ìý | |||||||||||||||
Equity Method Investment, Dividends or Distributions | Ìý | Ìý | Ìý | Ìý | 23 | 19 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | |||||||||||||||
Shares of Equity Method Affiliate Sold | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | 8,500,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | |||||||||||||||
Percentage ownership | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | 37.00% | Ìý | Ìý | Ìý | Ìý | Ìý | 17.00% | [1] | Ìý | Ìý | Ìý | Ìý | ||||||||||||||
Investments in affiliates, accounted for using the equity method (note 7) | 851 | Ìý | 1,135 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | 304 | [2] | 230 | [2] | 242 | [2] | 217 | [2] | 62 | [2] | 13 | [2] | 547 | 905 | 431 | [1],[2] | 621 | [1],[2] | 184 | [3] | 116 | 100 | ||||||
Equity Method Investment, Quoted Market Value | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | 1,102 | Ìý | Ìý | Ìý | Ìý | Ìý | 1,389 | [1] | Ìý | Ìý | Ìý | Ìý | ||||||||||||||
Purchase of shares in equity method investee | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | 4,800,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | |||||||||||||||
ownership percentage acquired | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | 4.00% | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | |||||||||||||||
Business Acquisition, Cost of Acquired Entity, Cash Paid | Ìý | $ 300 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | $ 300 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | |||||||||||||||
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