v2.4.0.6

Contingencies (Details) (USD $) In Millions, unless otherwise specified | Dec. 31, 2012 | Dec. 31, 2011
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Contingencies (Textual) [Abstract] |  |
Anticipated claims of continuing operations related to TransUnion Corp | $ 5.6 | $ 5.6

X
- Definition Anticipated claims for continuing operations. + References No definition available. + Details
Name: | tcu_AnticipatedClaimsForContinuingOperations
Namespace Prefix: | tcu_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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