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Summary of Fair Value of Assets Acquired and Liabilities Assumed in Conjunction with Acquisition (Parenthetical) (Detail) (USD $)
In Millions, unless otherwise specified |
9 Months Ended |
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Sep. 30, 2012
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| Business Acquisition [Line Items] | |
| Weighted average life of acquired intangible assets | 8 years 1 month 6 days |
| Business acquisition, cash acquired | $ 13 |
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- Definition
Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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- Definition
The cash inflow associated with the acquisition of business during the period (for example, cash that was held by the acquired business). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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