Investments In Affiliates Accounted For Using The Equity Method (Schedule Of Equity Ownership And Carrying Amount) (Details) (USD $)
In Millions, unless otherwise specified |
3 Months Ended | 9 Months Ended | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Sep. 30, 2013
|
Sep. 30, 2012
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Sep. 30, 2013
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Sep. 30, 2012
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Dec. 31, 2012
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Investments in affiliates, accounted for using the equity method | $ 1,225 | Ìý | $ 1,225 | Ìý | $ 851 | |||||||
Gains (losses) on dispositions, net | 0 | 0 | (2) | 288 | Ìý | |||||||
Interactive Group [Member]
|
Ìý | Ìý | Ìý | Ìý | Ìý | |||||||
Investments in affiliates, accounted for using the equity method | 335 | Ìý | 335 | Ìý | 304 | |||||||
Gains (losses) on dispositions, net | Ìý | Ìý | (1) | 0 | Ìý | |||||||
Interactive Group [Member] | HSN, Inc. [Member]
|
Ìý | Ìý | Ìý | Ìý | Ìý | |||||||
Percentage ownership | 38.00% | Ìý | 38.00% | Ìý | Ìý | |||||||
Investments in affiliates, accounted for using the equity method | 283 | Ìý | 283 | Ìý | 242 | |||||||
Equity Method Investment, Quoted Market Value | 1,073 | Ìý | 1,073 | Ìý | Ìý | |||||||
Interactive Group [Member] | Equity method investment, other [Member]
|
Ìý | Ìý | Ìý | Ìý | Ìý | |||||||
Investments in affiliates, accounted for using the equity method | 52 | Ìý | 52 | Ìý | 62 | |||||||
Ventures Group [Member]
|
Ìý | Ìý | Ìý | Ìý | Ìý | |||||||
Investments in affiliates, accounted for using the equity method | 890 | Ìý | 890 | Ìý | 547 | |||||||
Gains (losses) on dispositions, net | Ìý | Ìý | (1) | 288 | Ìý | |||||||
Ventures Group [Member] | Expedia [Member]
|
Ìý | Ìý | Ìý | Ìý | Ìý | |||||||
Percentage ownership | 17.00% | Ìý | 17.00% | Ìý | Ìý | |||||||
Investments in affiliates, accounted for using the equity method | 465 | [1] | Ìý | 465 | [1] | Ìý | 431 | [1] | ||||
Equity Method Investment, Quoted Market Value | 1,196 | Ìý | 1,196 | Ìý | Ìý | |||||||
Ventures Group [Member] | HSN, Inc. [Member]
|
Ìý | Ìý | Ìý | Ìý | Ìý | |||||||
Payments to Acquire Investments | 300 | Ìý | Ìý | Ìý | Ìý | |||||||
Ventures Group [Member] | Equity method investment, other [Member]
|
Ìý | Ìý | Ìý | Ìý | Ìý | |||||||
Investments in affiliates, accounted for using the equity method | 425 | [2] | Ìý | 425 | [2] | Ìý | 116 | |||||
TripAdvisor, Inc. [Member]
|
Ìý | Ìý | Ìý | Ìý | Ìý | |||||||
Ownership Interest In Investee | 22.00% | Ìý | 22.00% | Ìý | Ìý | |||||||
Revenue from Related Parties | 56 | 57 | 171 | 164 | Ìý | |||||||
TripAdvisor, Inc. [Member] | Ventures Group [Member]
|
Ìý | Ìý | Ìý | Ìý | Ìý | |||||||
Investments in affiliates, accounted for using the equity method | $ 0 | Ìý | $ 0 | Ìý | Ìý | |||||||
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