v2.4.0.6

Contingencies (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
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