Basis Of Presentation Basis of Presentation (Details) (USD $)
In Millions, unless otherwise specified |
3 Months Ended | ||||
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Mar. 31, 2013
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Mar. 31, 2012
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Mar. 31, 2013
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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Prior Period Reclassification Adjustment | $ 30 | ||||
Related Party Transaction, Amounts of Transaction | 4 | 3 | |||
Purchase of shares in equity method investee | 4.8 | ||||
ownership percentage acquired | 0.00% | ||||
Business Acquisition, Cost of Acquired Entity, Cash Paid | $ 300 | ||||
Ownership Interest In Investee | 0.00% | ||||
Business Acquisition, Percentage of Voting Interests Acquired | 57.00% | ||||
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners | 78.00% |
X | ||||||||||
- Definition
Ownership interest in investee No definition available.
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X | ||||||||||
- Definition
Ownership percentage acquired No definition available.
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X | ||||||||||
- Definition
Number of shares purchased in equity method investee No definition available.
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X | ||||||||||
- Definition
Amount of cash paid to acquire the entity. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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X | ||||||||||
- Definition
Percentage of voting equity interests acquired in the business combination. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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X | ||||||||||
- Definition
This element represents the amount of any measurement period adjustment (as defined) realized during the reporting period to intangibles acquired in connection with a business combination for which the initial accounting was incomplete. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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X | ||||||||||
- Definition
The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity. No definition available.
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X | ||||||||||
- Definition
Amount of transactions with related party during the financial reporting period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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