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Derivative Instruments and Hedging Activities - Additional Information (Detail) (USD $) In Millions, unless otherwise specified | Dec. 31, 2013 | Dec. 31, 2012
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Derivative |  |
Notional amount of foreign exchange forward contracts on a net basis | $ 24 | $ 53
Foreign Exchange Contract |  |
Derivative |  |
Notional amount of foreign exchange forward contracts | $ 152 | $ 140

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- Definition Aggregate notional amount specified by the derivative(s). Expressed as an absolute value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 12 -Section 13 -Sentence Column B + Details
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Namespace Prefix: | invest_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | instant

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- Definition Notional Amount Of Foreign Currency Fair Value Hedge Derivatives Net Basis + References No definition available. + Details
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Namespace Prefix: | tdc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration