v2.4.0.6

Other Liabilities (Details Textual) (TransUnion Corp-Successor [Member], USD $) In Millions, unless otherwise specified | 12 Months Ended
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Dec. 31, 2011
TransUnion Corp-Successor [Member] |
Other Liabilities (Textual) [Abstract] |
Deferred income taxes increased | $ 605.9

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- Definition Increase (decrease) in deferred income taxes liabilities. + References No definition available. + Details
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Namespace Prefix: | tcu_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Details
Name: | tcu_OtherLiabilitiesTextualAbstract
Namespace Prefix: | tcu_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration