Acquisitions, Disposals and Other Transactions - Schedule of Total Transaction Value for Acquisition (Detail) - Move Inc [Member] $ in Millions	1 Months Ended
Nov. 30, 2014 USD ($)
Business Acquisition [Line Items]
Cash paid for Move equity	$ 864
Assumed equity-based compensation awards-pre-combination services	28
Total consideration transferred	892
Plus: Assumed debt	129
Plus: Assumed equity-based compensation awards-post-combination services	39
Less: Cash acquired	(108)
Total transaction value	$ 952

Business combination consideration transferred equity awards issued and issuable.

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Business combination fair value of equity awards assumed and converted for future service.

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Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
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Amount of tangible or intangible assets, including a business or subsidiary of the acquirer transferred by the entity to the former owners of the acquiree. Excludes cash.

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Amount of currency on hand as well as demand deposits with banks or financial institutions, acquired at the acquisition date. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

+ References

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Amount of long-term debt due after one year or the normal operating cycle, if longer, assumed at the acquisition date.

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- Definition

The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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